CN107758757A - For the preparation technology for the reaction grid for handling rainwash and phreatic water - Google Patents

For the preparation technology for the reaction grid for handling rainwash and phreatic water Download PDF

Info

Publication number
CN107758757A
CN107758757A CN201610695199.3A CN201610695199A CN107758757A CN 107758757 A CN107758757 A CN 107758757A CN 201610695199 A CN201610695199 A CN 201610695199A CN 107758757 A CN107758757 A CN 107758757A
Authority
CN
China
Prior art keywords
water
buffering area
rear end
preparation technology
surfactant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610695199.3A
Other languages
Chinese (zh)
Inventor
廖立兵
吕国诚
梅乐夫
魏耀祖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China University of Geosciences Beijing
Original Assignee
China University of Geosciences Beijing
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China University of Geosciences Beijing filed Critical China University of Geosciences Beijing
Priority to CN201610695199.3A priority Critical patent/CN107758757A/en
Publication of CN107758757A publication Critical patent/CN107758757A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001—Runoff or storm water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06—Contaminated groundwater or leachate
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/04—Surfactants, used as part of a formulation or alone

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a kind of preparation technology for being used to handle the reaction grid of rainwash and phreatic water, wherein, the preparation technology comprises the following steps：Step 1, filling hole is excavated, and in the left and right sides casting concrete of the ground in filling hole；Step 2, filling hole bottom laying waterproof layer, and filling cheat in set up sampled well；Step 3, the filling for carrying out grill body (2) and front end buffering area (1) and rear end buffering area (3) are piled up；Step 4, tested, then bound.There is the obtained reaction cell structure of preparation technology of the present invention firm, the processing of rainwash and phreatic water can be achieved, while use special water treatment agent, assign grid excellent water treatmenting performance, realize effective removing of heavy metal in water.

Description

For the preparation technology for the reaction grid for handling rainwash and phreatic water
Technical field
The present invention relates to the reaction grid preparation field of water treatment field, more particularly to water process, especially, it is related to one Preparation technology of the kind for rainwash and the reaction grid of phreatic water.
Background technology
Water resource is a part indispensable in human lives and production process, still, with the rapid development of economy, Various pollutants, which are discharged into environment, causes water body especially underground water seriously to pollute, and has had a strong impact on daily life And production.Processing to water pollution has a variety of methods, wherein, absorption method is standby due to the advantages of it is inexpensive, non-secondary pollution It is concerned.
Many researchs have been done in improvement of the domestic and foreign scholars to underground sewage, wherein, oozing filled with adsorbing medium Transflection answers grid to possess good performance as the technology of new development, economically saves also very significantly, therefore obtained extensively Concern and research.
But the reaction grid for handling rainwash and phreatic water is related in the prior art less.
The content of the invention
In order to solve the above problems, present inventor has performed studying with keen determination, a kind of novel reaction grid at design is described anti- Answering a part of structure of grid, for handling rainwash, a part of structure is located underground, for handling shallow underground positioned on the ground Water, reaction grid is set to realize the processing of rainwash and phreatic water, meanwhile, the reaction grid employs a kind of new Water treatment agent, efficient water treatment efficiency is realized, so as to complete the present invention.
The invention provides a kind of preparation technology for the reaction grid for being used to handle rainwash and phreatic water, specifically It is embodied in：
(1) a kind of preparation technology for being used to handle the reaction grid of rainwash and phreatic water, wherein, the preparation Technique comprises the following steps：
Step 1, filling hole is excavated, and in the left and right sides casting concrete of the ground in filling hole；
Step 2, filling hole bottom laying waterproof layer, and filling cheat in set up sampled well；
Step 3, the filling for carrying out grill body 2 and front end buffering area 1 and rear end buffering area 3 are piled up；
Step 4, tested, then bound；
(2) preparation technology according to above-mentioned (1), wherein,
In step 1, the filling hole is cuboid pit；And/or
In step 1, the depth in the filling hole is 0.5~1.5m, preferably 0.8~1.2m, more preferably 1m；With/ Or
In step 2, multiple dry points are disposed with from bottom to top on each sampled well, are preferably provided with 2~5, More preferably set 3~4；
(3) preparation technology according to above-mentioned (1) or (2), wherein, step 3 includes following sub-step：
Step 3-1, heap masonry block forms front end buffering area 1 and rear end buffering area 3：On the ground of filling hole rear and front end Heap masonry block, front end buffering area 1 and rear end buffering area 3 are formed respectively；
Step 3-2, fill filler into filling hole and form grill body 2：Filled out simultaneously successively from front to back into filling hole Fill stone, water treatment agent and stone, until filling to it is more than ground and with front end buffering area 1 and the peak of rear end buffering area 3 Concordantly, therefore, composition front end fixed area 21, water treatment zone 22 and rear end fixed area 23 are formed respectively from front to back；
(4) preparation technology according to one of above-mentioned (1) to (3), wherein,
The front end buffering area 1 and rear end buffering area 3 are triangle column construction, and its longitudinal cross-section is triangular in shape；With/ Or
A diameter of 3~20cm of the stone, more preferably preferably 5~15cm, 10cm；
(5) preparation technology according to one of above-mentioned (1) to (4), wherein, the front end buffering area 1 includes front end bottom Face 11, the rear end buffering area 3 include rear end bottom surface 31, it is preferable that
The the ratio between longitudinally wide of the longitudinally wide and rear end bottom surface 31 of the front end bottom surface 11 is (1.1~1.5)：1, preferably For (1.2~1.4)：1, more preferably 1.3：1；And/or
The width of the front end bottom surface 11 is 1~3m, preferably 1.5~2.5m, more preferably 2m；
(6) preparation technology according to one of above-mentioned (3) to (5), wherein, in step 3-2,
The grill body includes aerial part and under ground portion, the height of the aerial part and the depth of under ground portion The ratio between be (1~2)：1, be preferably (1.2~1.8)：1, more preferably 1.5:1；And/or
The particle diameter of the stone is 0.5~3cm, preferably 0.5~2.5cm, more preferably 1~2cm；And/or
The water treatment agent includes zeolite, surfactant and water；
(7) preparation technology according to above-mentioned (6), wherein,
The particle diameter of the zeolite is 0.5~1.5mm, preferably 1~1.5mm；And/or
The surfactant includes quaternary ammonium salt surface active agent and ionic liquid surfactant, it is preferable that described Quaternary ammonium salt surface active agent is hexadecyltrimethylammonium chloride, and the ionic liquid surfactant is cetyl front three Base imidazolium chloride；
(8) preparation technology according to above-mentioned (6) or (7), wherein,
Based on the zeolite of 100 parts by weight, the dosage of surfactant is 2~5 parts by weight, preferably 3~4 parts by weight, more Preferably 3.5 parts by weight；And/or
Surfactant based on 100wt%, the dosage of ionic liquid surfactant are 2~20wt%, preferably 5~ 15wt%, more preferably 10wt%；And/or
Based on the zeolite of 100 parts by weight, the dosage of water is 0.03~0.08 parts by weight, preferably 0.05~0.07 weight Part, more preferably 0.06 parts by weight；
(9) preparation technology according to one of above-mentioned (3) to (8), wherein, in step 3-2, it is being filled into certain height Sampler is buried when spending, it is preferable that the sampler is connected with the sample tap set on sampled well；
(10) preparation technology according to one of above-mentioned (1) to (9), wherein, in step 4, bound using concrete.
Brief description of the drawings
Fig. 1 shows to react radial direction (water (flow) direction) sectional view of grid as made from preparation technology of the present invention；
Fig. 2 shows to react the top view of grid as made from preparation technology of the present invention；
Fig. 3 shows that experimental example 1 carries out Experimental equipment used in Dynamic Adsorption；
Fig. 4 shows the Dynamic Adsorption result measured using water treatment agent made from embodiment 5 as adsorbing medium.
Reference
1- front ends buffering area
11- front ends bottom surface
2- grill bodies
21- front ends fixed area
22- water treatment zones
23- rear ends fixed area
24- sampled wells
3- rear ends buffering area
31- rear ends bottom surface
4- heavy metal baths
5- peristaltic pumps
6- conduits
7- glass columns
Embodiment
Below by the present invention is described in detail, the features and advantages of the invention will become more with these explanations To be clear, clear and definite.
It is described the invention provides a kind of preparation technology for being used to handle the reaction grid of rainwash and phreatic water Reaction grid includes front end buffering area 1, grill body 2 and rear end buffering area 3, and the grill body 2 includes overground part by height Divide and under ground portion, the grill body 2 include front end fixed area 21, the and of water treatment zone 22 successively from front to back by water (flow) direction Rear end fixed area 23, wherein, the preparation technology comprises the following steps：
Step 1, filling hole is excavated, and in the left and right sides casting concrete in filling hole.
According to a kind of preferred embodiment of the present invention, in step 1, the filling hole is cuboid pit, and it is horizontal It is rectangular to section and longitudinal cross-section.
Wherein, filling hole is filled and is filled into certain more than ground height, that is, obtain grill body 2.
According to a kind of preferred embodiment of the present invention, the depth in the filling hole is 0.5~1.5m.
In further preferred embodiment, the depth in the filling hole is 0.8~1.2m.
In embodiment still more preferably, the depth in the filling hole is 1m.
In step 1, it is for fixed whole reaction lattice in the purpose of the left and right sides casting concrete of filling hole ground Grid.Because needing to fill filler in filling hole, and need to be filled into more than ground, filler is in filling hole due to cheating four walls Conservation of nature will not skew, still, if aerial part does not support and is easy to inclination and skews, so the left and right sides leads to Concrete is crossed to fix.Wherein, described " left side " and " right side " refer to the left side and the right of water (flow) direction.
Step 2, filling hole bottom laying waterproof layer, and filling cheat in set up sampled well.
Wherein, the waterproof layer is used to prevent from oozing under the current by reaction grid to lose and can not be collected.Because In actual use, it is necessary to which periodically the water in reaction grid is sampled and detected, to determine treatment effect.
According to a kind of preferred embodiment of the present invention, sampled well is first set up before being filled to filling hole.
Wherein, in the present invention, due to needing to fill filler in filling hole, it is therefore desirable to will sampling before filler is filled Well is first set.Also, the sampled well is used to extract the water sample in grill body, is contained with carrying out the heavy metal in detection water Amount.
According to a kind of preferred embodiment of the present invention, 10~40 sampled wells are provided with filling hole.
In further preferred embodiment, 1/6 region and rear 1/6 region set up 2~10 respectively before filling is cheated Frame.
In embodiment still more preferably, 4~20 framves are set up in the region of centre 2/3 in filling hole.
Wherein, the water that the sampled well is used in abstraction reaction grid, late detection is carried out.Specifically, it is arranged at front end Sampled well (at front end 1/6) in fixed area is used to extract content of beary metal (i.e. raw water in the water also without water treatment zone processing In content of beary metal), the sampled well being arranged in rear end fixed area (at front end 1/6) be used for extract is treated through water treatment zone Content of beary metal in water afterwards, then be compared, you can obtain reacting the water treatment efficiency of grid.Meanwhile it is arranged at water process The sampled well in area is used to monitor water treatment procedure in real time.
According to a kind of preferred embodiment of the present invention, the water intake well includes display pipe and internal a plurality of water-supply-pipe.
Wherein, the water-supply-pipe is used for water delivery, enters the transmission of water-filling, and the display pipe is used for protection inner tube.
In embodiment still more preferably, the display pipe is hard tube, such as pvc pipe, the water-supply-pipe are soft Pipe.
According to a kind of preferred embodiment of the present invention, multiple holes are offered on the display pipe of each sampled well, i.e., For intake, i.e., multiple dry points are disposed with from bottom to top.
Wherein, the corresponding water-supply-pipe of an intake.Specifically, the water-supply-pipe is located in display pipe, extends to and takes The mouth of a river, stretch out display pipe.
In further preferred embodiment, 2~5 water intakings are disposed with from bottom to top on each sampled well Point.
In embodiment still more preferably, 3~4 water intakings are disposed with from bottom to top on each sampled well Point.
Wherein, on the one hand：The setting of dry point is to further test the treatment effect of different depth and position； On the other hand：When precipitation is smaller, runoff water level is relatively low, and the dry point of top can not put aside water sample, and when precipitation is larger When, rainwash may be put aside in reaction grid front end, and now front end water level can rise so as to be collected in higher position To water sample, therefore the water for combining the dry point acquirement of diverse location and height can determine whether permeable reactive barrier under different flow Process performance.
Wherein, dry point is evenly distributed on each sampled well, meanwhile, in theory, set on each sampled well Dry point is more, and its later stage analyze data is more perfect, and conclusion is also more reliable, still, based on cost and field conduct in terms of examine Consider, be limited to 2~5 dry points of setting on each sampled well.
According in a kind of preferred embodiment of the present invention, peristaltic pump is used in water intaking.
In further preferred embodiment, in water intaking, peristaltic pump is connected with water-supply-pipe upper end and fetched water.
Wherein, the peristaltic pump is connected with the water-supply-pipe in sampled well, is taken for water to be drained into water intake well upper end Water.
According to a kind of preferred embodiment of the present invention, water-supply-pipe is filled in device for fetching water after intake stretches out display pipe In.
In further preferred embodiment, the device for fetching water is the funnel of a sealing, is filled to filling hole When, the water-supply-pipe stretched is embedded in device for fetching water using filler.
In embodiment still more preferably, the funnel is plastic material.
Wherein, device for fetching water plays the purpose catchmented.
Step 3, pile up front end buffering area 1 and rear end buffering area 3 and filling hole is filled to form grill body 2。
In the present invention, filler is filled in filling is cheated and is filled to more than ground, forms grill body 2；In grid master Rear and front end (on ground) heap masonry block of body 2, front end buffering area 1 and rear end buffering area 3 are formed respectively.
According to a kind of preferred embodiment of the present invention, step 3 includes following sub-step：
Step 3-1, heap masonry block forms front end buffering area 1 and rear end buffering area 3：On the ground of filling hole rear and front end Heap masonry block, front end buffering area 1 and rear end buffering area 3 are formed respectively；
Wherein, the front end buffering area 1 and rear end buffering area 3 are piled up by stone and formed, and its effect has three：It is one is solid Fixed grill body 2 between the two；The second is buffering current, prevent the excessive structure for washing away grill body 2 of current；The third is mistake Filter mud sand, prevent it from entering grill body 2 with current and blocking grill body, so as to influence the water treatmenting performance of grill body, Such as reduce water treatment efficiency and service life.
Step 3-2, fill filler into filling hole and form grill body 2：Filled out simultaneously successively from front to back into filling hole Fill stone, water treatment agent and stone, until filling to it is more than ground and with front end buffering area 1 and the peak of rear end buffering area 3 Concordantly, composition front end fixed area 21, water treatment zone 22 and rear end fixed area 23 are sequentially formed respectively from front to back.
According to a kind of preferred embodiment of the present invention, in step 3-1, the front end buffering area 1 and rear end buffering area 3 It is triangle column construction, its longitudinal cross-section is triangular in shape.
Wherein, neighbouring grill body side (the ground fill part of grill body) forms the vertical of triangle column construction Right-angle surface, ground form the level right angle face of triangle column construction, and stone falls form triangle column construction from top to bottom naturally Inclined-plane.Also, the stone for being used to piling up front end buffering area 1 and rear end buffering area 3 along ground and with grid body contact The face of (aerial part) is piled up, and forms natural triangle column construction.
According to a kind of preferred embodiment of the present invention, in step 3-1, front end buffering area and rear end are formed for piling up A diameter of 3~20cm of the stone of buffering area.
In further preferred embodiment, in step 3-1, front end buffering area and rear end buffering are formed for piling up A diameter of 5~15cm of the stone in area.
In embodiment still more preferably, in step 3-1, front end buffering area is formed and rear end is delayed for piling up Rush a diameter of 10cm of the stone in area.
Wherein, the particle diameter of the stone for piling up front end buffering area 1 and rear end buffering area 3 can not be too big, it is too big if stone Block spacing is larger, it is impossible to plays a part of filtering silt particle, meanwhile, its particle diameter can not be too small, can not be played if too small appropriate Buffering current effect, if because particle diameter is too small, it has not been cushioning effect to current but inhibition, has a strong impact on The flow velocity of water, it is not smooth to be likely to result in current.
According to a kind of preferred embodiment of the present invention, the front end buffering area 1 includes front end bottom surface 11, and the rear end is delayed Rushing area 3 includes rear end bottom surface 31.
Wherein, the front end bottom surface 11 refers to the one side that front end buffering area 1 contacts with ground, and rear end bottom surface 31 refers to The one side that rear end buffering area 3 contacts with ground.
According to a kind of preferred embodiment of the present invention, the longitudinally wide and rear end bottom surface 31 of the front end bottom surface 11 is indulged It is (1.1~1.5) to the ratio between width：1.
In further preferred embodiment, the longitudinal direction of the longitudinally wide and rear end bottom surface 31 of the front end bottom surface 11 is wide The ratio between degree is (1.2~1.4)：1.
In embodiment still more preferably, the longitudinally wide and longitudinal direction of rear end bottom surface 31 of the front end bottom surface 11 The ratio between width is 1.3：1.
Wherein, the longitudinally wide longitudinally wide more than rear end bottom surface 31 of front end bottom surface 11, so, front end buffering area are designed Volume be more than the volume of rear end buffering area, i.e. the stone at flow inlet is more than the stone at the water export, because Play a part of main buffering current for front end buffering area 3.
According to a kind of preferred embodiment of the present invention, the width of the front end bottom surface 11 is 1~3m, preferably 1.5~ 2.5m, more preferably 2m.
According to a kind of preferred embodiment of the present invention, in step 3-2, filler is filled into filling hole, by ground with Under be filled into more than ground always, formed grill body 2.
Therefore, if by height point, the grill body 2 includes aerial part and under ground portion.
In further preferred embodiment, in step 3-2, the left and right end of part (aerial part) more than ground Offseted with the concrete poured.
Wherein, the left and right end of the aerial part for the concrete support screen work main body 2 that left and right end pours.
In embodiment still more preferably, in step 3-2, more than ground part (aerial part) it is front and rear The vertical right-angle surface respectively with front end buffering area 1 and rear end buffering area 3 is held to offset, i.e. the support grid main body 2 of front end buffering area 1 Front end, the rear end of the support grid main body 2 of rear end buffering area 3.
Wherein, the concrete poured secures the filler in filling hole, front end buffering area 1 and rear end buffering in left and right ends Area 3 secures the filler in filling hole in rear and front end respectively.
According to a kind of preferred embodiment of the present invention, in step 3-2, filler is filled into filling hole, and by underground Filling makes the grill body include aerial part and under ground portion by height classification to ground.
Wherein, in the present invention, water process mainly is carried out using grill body, grill body is penetrated ground by underground On, so, the processing of rainwash is realized in the part of ground, and the processing of phreatic water is realized in the part of underground.
In further preferred embodiment, the ratio between the height of the aerial part and the depth of under ground portion for (1~ 2)：1, be preferably (1.2~1.8)：1, more preferably 1.5:1.
Wherein, wherein, the height of the part of design grill body ground is slightly larger than the depth of under ground portion, is primarily due to： When precipitation is small, rainwash water level is relatively low, and earth's surface water level can be slightly higher when water is big, and therefore, the height of aerial part is slightly More than the depth of under ground portion.
According to a kind of preferred embodiment of the present invention, in step 3-2, the filler includes stone and water treatment agent.
In further preferred embodiment, stone, water treatment agent are filled simultaneously successively from front to back into filling hole And stone, until it is more than filling to ground and concordant with the peak of front end buffering area 1 and rear end buffering area 3, therefore, make described Reaction grid is fixed including front end fixed area 21, water treatment zone 22 and rear end again by water (flow) direction (from front to back) or filler are different Area 23.
Wherein, stone is filled with front end fixed area 21 and rear end fixed area 23, water is filled with water treatment zone 22 Inorganic agent.
In embodiment still more preferably, in front end fixed area 21, water treatment zone 22 and rear end fixed area 23 it Between be not provided with support frame because support frame setting can more or less hinder current advance, therefore, in order to ensure front end Fixed area 21, water treatment zone 22 and rear end fixed area 23 will not collapse during filling, it is necessary to three while fill out Fill, ensure that three is in sustained height at any time, until grill body 2 is concordant with front end buffering area 1 and rear end buffering area 3.
Wherein, in the present invention, it is described to react structure of the grid similar to dam, wherein, front end fixed area 21 delays with front end Rush area 1 and form dam forward part, rear end fixed area 23 and part behind the composition of rear end buffering area 3 dam, the water treatment zone 22 is in dam Part.
According to a kind of preferred embodiment of the present invention, in step 3-2, the particle diameter of the stone is 0.5~3cm.
In further preferred embodiment, in step 3-2, the particle diameter of the stone is 0.5~2.5cm.
In embodiment still more preferably, in step 3-2, the particle diameter of the stone is 1~2cm.
Wherein, the purpose of filling stone is further buffering current in front end fixed area 21 and rear end fixed area 23, this The particle diameter for the stone that place uses is less than the particle diameter of the stone of front end buffering area and rear end buffering area also for reaching this purpose, Further buffer current and filtering silt.
According to a kind of preferred embodiment of the present invention, the longitudinally wide of the front end fixed area 21 is equal to rear end fixed area 23 it is longitudinally wide.
Wherein, the water treatment zone that the front end fixed area 21 and the rear end fixed area 23 are used among fixed.
According to a kind of preferred embodiment of the present invention, the front end fixed area 21 or the rear end fixed area 23 and Shui Chu It is 1 to manage the ratio between longitudinally wide of area 22：(1~10).
In further preferred embodiment, the front end fixed area 21 or the rear end fixed area 23 and water treatment zone 22 the ratio between longitudinally wide is 1：(2~8).
In embodiment still more preferably, the front end fixed area 21 or the rear end fixed area 23 and water process The the ratio between longitudinally wide of area 22 is 1：4.
Therefore, the width of the front end fixed area 21 and the rear end fixed area 23 can not be too narrow, and too narrow fixed effect is poor, Also should not be too wide, it is too wide to cause unnecessary waste, therefore, as long as its width can guarantee that the firm of water treatment zone.
According to a kind of preferred embodiment of the present invention, the longitudinally wide of the water treatment zone 22 is 1.5~2.5m, preferably For 1.8~2.2m, more preferably 2m.
Wherein, if water treatment zone 22 is too wide, necessarily cause field conduct difficult, if too narrow, its water treatment efficiency is poor.
According in a kind of preferred embodiment of the present invention, stone is filled in the rear and front end in filling hole, before being formed respectively Fixed area 21 and rear end fixed area 23 are held, the central filler water treatment agent in filling hole, forms water treatment zone.
In further preferred embodiment, the water treatment agent includes zeolite, surfactant and water.
In embodiment still more preferably, first surfactant is mixed with water, it is water-soluble to obtain surfactant Liquid, then mixed again with zeolite, obtain water treatment agent.
Wherein, because zeolite has ion-exchange performance, the cation end of surface modifier is adsorbed to zeolite surface.When When surfactant concentration is less than critical micelle concentration (CMC), surfactant molecule forms monolayer in zeolite surface, hates Water base group is adsorbed in zeolite surface, and hydrophilic radical is outwardly.Now zeolite does not possess the performance of absorption heavy metal ion.When surface is lived Property agent concentration when being more than first CMC (CMC), surfactant molecule is aggregated in zeolite surface and forms bilayer, Second layer surfactant molecule hydrophobic group is outwardly, there is provided the position of heavy metal ion electrostatic interaction load, is now modified Zeolite possesses the ability of absorption heavy metal；But when continuing raising concentration, zeolite surface can not load more surface-actives During agent molecule, unnecessary surfactant molecule self-polymerization forms hydrophilic radical inwardly, the micella of hydrophobic group outwardly.
According to a kind of preferred embodiment of the present invention, the main component of the zeolite is clinoptilolite.
In further preferred embodiment, the content of clinoptilolite is 60~70% in the zeolite.
In embodiment still more preferably, the content of clinoptilolite is 65% in the zeolite.
Wherein, the main component of zeolite is clinoptilolite, next to that foresite, followed by orthoclase and quartz.Also, tiltedly Ptilolite is aqueous alkali metal aluminosilicate, and it can have the function of molecular sieve after being dehydrated, and clinoptilolite is alternatively arranged as ion Exchanger, water treatment agent just is processed into using this property in the present invention, for removing the heavy metal in water removal.
According to a kind of preferred embodiment of the present invention, the particle diameter of the zeolite is 0.5~1.5mm.
In further preferred embodiment, the particle diameter of the zeolite is 1~1.5mm.
Wherein, the heavy metal adsorption amount of the water treatment agent is relevant with the area of the bilayer structure on its surface.Zeolite Particle diameter it is smaller, the surface area of zeolite is bigger, and the bilayer area of composition is bigger, can adsorb the amount of heavy metal ion also just It is more.But particle diameter is too small to cause certain economic consumption, therefore, absorption property and economic benefit are considered, from grain Footpath is 0.5~1.5mm, especially 1~1.5mm zeolite.
According to a kind of preferred embodiment of the present invention, the surfactant include quaternary ammonium salt surface active agent and from Sub- liquid surfactant.
In further preferred embodiment, the quaternary ammonium salt surface active agent is cetyl trimethyl chlorination Ammonium.
In embodiment still more preferably, the ionic liquid surfactant is cetyl trimethyl imidazoles Chloride.
Wherein, traditional quaternary ammonium salt surface active agent is conventional water treatment agent modifying agent, and its cheap application is wide It is general, but its surface saturated vapour pressure is higher, and environment can be polluted.Ionic liquid class surfactant is green modifying agent, Its surface saturated vapour pressure is relatively low, but its cost is of a relatively high.Therefore, in the present invention, above two surfactant is total to Together, the heavy metal adsorption amount of the water treatment agent obtained after it is modified to zeolite is all higher than single cetyl trimethyl chlorine The contrast water process that change ammonium or cetyl trimethyl imidazolium chloride obtain after being modified as surfactant to zeolite Agent, and cost is relatively low, environmentally friendly.
According to a kind of preferred embodiment of the present invention, based on the zeolite of 100 parts by weight, the dosage of surfactant is 2 ~5 parts by weight.
In further preferred embodiment, based on the zeolite of 100 parts by weight, the dosage of surfactant is 3~4 weights Measure part.
In further preferred embodiment, based on the zeolite of 100 parts by weight, the dosage of surfactant is 3.5 weights Measure part.
Wherein, when the dosage of surfactant is less than 2 parts by weight, it does not form bilayer structure in zeolite surface, Surfactant load quantity is few, causes adsorbance low；When dosage of surfactant is 2~5 parts by weight especially 3.5 weight During part, dosage of surfactant can form bilayer structure, and enough adsorption sites are provided for heavy metal；But work as and use When amount is more than 5 parts by weight, unnecessary surfactant molecule may be wrapped in bilayer body structure surface, influence bilayer The absorption property of structure, is gradually reduced adsorbance.Wherein, the dosage of surfactant described herein is cetyl trimethyl Total dosage of ammonium chloride and cetyl trimethyl imidazolium chloride.
According to a kind of preferred embodiment of the present invention, the surfactant based on 100wt%, ionic liquid surface-active The dosage of agent is 2~20wt%.
In further preferred embodiment, the surfactant based on 100wt%, ionic liquid surfactant Dosage is 5~15wt%.
In embodiment still more preferably, the surfactant based on 100wt%, ionic liquid surfactant Dosage be 10wt%.
Wherein, found by many experiments, in surfactant, when ionic liquid surfactant dosage for 2~ During 20wt% or 80~98%, the removal efficiency of the water treatment agent heavy metal is best.But because ionic liquid surface is lived Property agent it is expensive, therefore select its dosage as 2~20wt%, preferably 5~15wt%, when especially 10%, reach a huge sum of money Belong to the peak of removal amount.
According to a kind of preferred embodiment of the present invention, based on the zeolite of 100 parts by weight, the dosage of water is 0.03~0.08 Part.
In further preferred embodiment, based on the zeolite of 100 parts by weight, the dosage of water is 0.05~0.07 part.
In further preferred embodiment, based on the zeolite of 100 parts by weight, the dosage of water is 0.06 part.
Wherein, the dosage of liquid is critically important, and when liquid is very few, Surfactant can not uniformly be adhered to zeolite surface, So as to have impact on adsorption effect；And liquid it is excessive when, aqueous surfactant solution is diluter, zeolite granular can not fully with surface Active agent molecule contacts, and surfactant molecule can not all be attached to zeolite surface, but remain in a liquid, and zeolite can not Big quantity of fluid is carried, so that surfactant causes to waste and modified effect is severely impacted with remaining fluid loss. Therefore it is 0.03~0.08 part to control water consumption, wherein, based on the zeolite quantity of 100 parts by weight, the dosage of water is less herein Another reason is the liquid that this province of surfactant hexadecyltrimethylammonium chloride preferably used is just 50% for concentration, Therefore, it is not easy to add substantial amounts of water again.
According in a kind of preferred embodiment of the present invention, in step 3-2, when being filled into certain dry point by water delivery Pipe is filled in sampler.
In further preferred embodiment, in step 3-2, filled using filler, for example, being fixed in front end In area 21 and rear end fixed area 23, filled using stone, filled in hydrotreater 22 using water treatment agent.
Step 4, tested, then bound.
In the present invention, need to be bound after filling has been carried out, but on condition that water intake well can successfully fetch water, no Need to bind if water intake well can not successfully be fetched water after so binding and remove again.
According to a kind of preferred embodiment of the present invention, the grill body is bound using concrete：On the one hand, The loose filled media (stone and water treatment agent) in top can be fixed, prevent filled media with the wind with current and produce loss； On the other hand, top can be hardened, facilitates staff to take water sample up.
According to a kind of preferred embodiment of the present invention, the reaction grid is mixed along the use of the left and right sides of water (flow) direction Solidifying soil is fixed.
In the present invention, the preparation process of the reaction grid needs to combine practical service environment progress.
According to a kind of preferred embodiment of the present invention, when the reaction grid is applied in mountain valley, especially V-type mountain Gu Shi, generally, rainwash are carried out along mountain valley direction, therefore directly reaction grid can be arranged in mountain valley, Make the massif in mountain valley or so directly as the left and right ends of reaction grid.
In further preferred embodiment, in left and right ends, placing concrete is further fixed.So, react The left and right ends of grid are in ramped shaped.
According to another preferred embodiment of the present invention, when the reaction grid is applied to Plain, grid is reacted The left and right sides can be provided directly as vertical, directly be fixed with concrete.
Therefore, the structure of reaction grid of the present invention may accordingly be changed according to actual use landform, but It is that its Integral Thought is in scheme of the present invention, therefore, also within protection scope of the present invention.
Another aspect of the present invention provides a kind of reaction grid obtained according to above-mentioned preparation technology, wherein, by current side To, the grid includes front end buffering area 1, grill body 2 and rear end buffering area 3 successively from front to back, wherein, the front end is delayed Rush area 1 and rear end buffering area 3 is separately positioned on the front and rear sides of grill body 2, and the front end buffering area 1 and rear end buffering area 3 pile up by stone and form.
By height and position relation, the grill body 2 includes aerial part and under ground portion；By water (flow) direction or filler not Together, the grill body 2 includes front end fixed area 21, water treatment zone 22 and rear end fixed area 23.
Wherein, it is of the present invention reaction grid profile similar to dam shape, wherein, the front end buffering area 1 and front end are fixed Area 21 is dam forward part, and the water treatment zone 22 is part in dam, and the rear end buffering area 3 and rear end fixed area 23 are dam rear portion Point.
In the present invention, the transverse direction refers to the direction vertical with water (flow) direction, and the longitudinal direction refers to same with water (flow) direction To direction, i.e. water (flow) direction；Refer to the "front", "rear" in direction, " left side " and " right side " to define by water (flow) direction, for this Shen Please the reaction grid, it be " preceding " to define flow inlet, and definition water export is " rear ", then the correspondingly left side of water (flow) direction For " left side ", the right of water (flow) direction is " right side "；In Fig. 1 and Fig. 2 of Figure of description, arrow represents water (flow) direction.
Beneficial effect possessed by the present invention：
(1) preparation technology of the present invention is simple, it is easy to accomplish；
(2) the reaction grid obtained by preparation technology of the present invention includes aerial part and under ground portion, Ke Yishi The processing of existing rainwash and phreatic water；
(3) sampled well is provided with the reaction grid obtained by preparation technology of the present invention, can realized at water The monitoring of reason process；
(4) the reaction grid obtained by preparation technology of the present invention is similar to dam, part after its dam forward part and dam It ensure that grid obtains fastness, will not also be destroyed easily when current are larger；
(5) preparation technology of the present invention is filled using special water treatment agent, is assigned at the excellent water of grid Rationality energy, the heavy metal in water can be adsorbed, realize effective removing of heavy metal in water；
(6) water treatment agent raw material is simple used by, cost is low.
Embodiment
The present invention is further described below by way of specific embodiment.But these embodiments are only exemplary, not Any restrictions are formed to protection scope of the present invention.
Raw materials used and its source is as follows in embodiment：
Natural zeolite used is selected from Chengde Weichang；
The hexadecyltrimethylammonium chloride is purchased from Tianjin starlight auxiliary reagent factory, is the liquid that purity is 50%；
The cetyl trimethyl imidazolium chloride is purchased from marine origin victory Chemical Company, is white powder.
The preparation of the water treatment agent of embodiment 1
Natural zeolite is crushed, sieved, the zeolite is obtained, takes 10g；
0.004g cetyl trimethyls imidazolium chloride is taken to be mixed with 0.196g hexadecyltrimethylammonium chlorides, then 0.003mL water is added, is uniformly mixing to obtain aqueous surfactant solution；
Gained aqueous surfactant solution is mixed with the 10g zeolites taken, 2h is stirred, obtains environmentally friendly water treatment agent.
The preparation of the water treatment agent of embodiment 2
Natural zeolite is crushed, sieved, the zeolite is obtained, takes 10g；
0.015g cetyl trimethyls imidazolium chloride is taken to be mixed with 0.285g hexadecyltrimethylammonium chlorides, then 0.005mL water is added, is uniformly mixing to obtain aqueous surfactant solution；
Gained aqueous surfactant solution is mixed with the 10g zeolites taken, 2.5h is stirred, obtains environmentally friendly water treatment agent.
The preparation of the water treatment agent of embodiment 3
Natural zeolite is crushed, sieved, the zeolite is obtained, takes 10g；
0.035g cetyl trimethyls imidazolium chloride is taken to be mixed with 0.315g hexadecyltrimethylammonium chlorides, then 0.006mL water is added, is uniformly mixing to obtain aqueous surfactant solution；
Gained aqueous surfactant solution is mixed with the 10g zeolites taken, 3h is stirred, obtains environmentally friendly water treatment agent.
The preparation of the water treatment agent of embodiment 4
Natural zeolite is crushed, sieved, the zeolite is obtained, takes 10g；
0.06g cetyl trimethyls imidazolium chloride is taken to be mixed with 0.34g hexadecyltrimethylammonium chlorides, Ran Houjia Enter 0.007mL water, be uniformly mixing to obtain aqueous surfactant solution；
Gained aqueous surfactant solution is mixed with the 10g zeolites taken, 3.5h is stirred, obtains environmentally friendly water treatment agent.
The preparation of the water treatment agent of embodiment 5
Natural zeolite is crushed, sieved, the zeolite is obtained, takes 10g；
Take 0.1g cetyl trimethyls imidazolium chloride to be mixed with 0.4g hexadecyltrimethylammonium chlorides, then add 0.008mL water, is uniformly mixing to obtain aqueous surfactant solution；
Gained aqueous surfactant solution is mixed with the 10g zeolites taken, 4h is stirred, obtains environmentally friendly water treatment agent.
Embodiment 6
Pit at positive ancestor sea west side Yang Zong towns one is chosen to be constructed, wherein, the place was an ardealite processing factory originally, Surface soil is heavily polluted, especially rainy season when, rain drop erosion earth's surface makes a large amount of pollutants on the premise of being not handled by Flow into positive ancestor sea.The embodiment is carried out in " V " type region, so can by the left and right sides massif fix reaction lattice Grid.
Step 1, filling hole is excavated, it is in depth descended 0.5m, and the left and right sides placing concrete cheated in filling, To the pit of rectangle, wherein, near concrete and massif.
Step 2, laying water proof cloth simultaneously set up 16 frame sampled wells, wherein：1/6 region is (with water (flow) direction before filling is cheated 4 framves vertically) are set up, every frame opens up 3 sample taps；In rear 2/3 region in filling hole erection frame (vertical with water (flow) direction) If 4 framves, every frame opens up 3 sample taps；8 framves are equably set up in intermediate region, every frame opens up 4 sample taps.Wherein, it is described to take Sample well uses PVC as outer tube, with the flexible pipe of protection the inside transmission water.
Step 3：
Step 3-1, the rear and front end on the ground in filling hole pile up front end buffering area with after using " dog head stone " Buffering area is held, wherein, the wide 2m of front end buffering area, high 1.5m, the wide 1.5m of rear end buffering area, high 1.5m.
Step 3-2, a centimeter stone, the water treatment agent prepared by embodiment 5 are added simultaneously successively from front to back into filling hole With centimetre stone, front end fixed area, water treatment zone and rear end fixed area are formed respectively.The filling is filled by underground fills out always Ground 1.5m is charged to, it is concordant with front end buffering area and rear end buffering area, wherein, front end fixed area and rear end fixed area are along current side Wide to 0.5m is taken up an area respectively, water treatment zone is wide along water (flow) direction occupation of land 2m.Also, in filling, when being filled into taking for water intake well Device for fetching water is filled during the mouth of a river.
Whether step 4, the intake of test water intake well can take out water sample, it is determined that after, bound, obtained using concrete To the reaction grid.
Experimental example
Experimental example 1Simulation Dynamic Adsorption of the water treatment agent used to chromium ion
In this experimental example, Dynamic Adsorption experiment is using experimental provision as shown in Figure 3 (arrow expression water (flow) direction), a huge sum of money Heavy metal solution to be adsorbed (original concentration is 1mol/L simulating pollution liquid) is placed with category bath 4, heavy metal to be adsorbed is molten Liquid with peristaltic pump 5 through conduit 6 from the bottom to top through the glass column 7 for loading adsorbing medium, sewage is from adsorbing medium in glass column 7 During being flowed in particle gap, reacted with the surfactant of particle surface so as to be fixed, play adsorption cleaning The effect at water source.The liquid flowed out above glass column 7, which is collected, carries out pollutant concentration test, so as to which this is calculated The disposal ability of the absorption property of adsorbent and the device to sewage.Wherein, in this experimental provision, glass column 7 it is a diameter of 5cm, a height of 15cm；Conduit be internal diameter be 2mm, external diameter 4mm, long 60cm wriggling pump hose.
The solution flowed out above glass column exports through conduit, and conduit is connected on the robotic arm for finish sample program and carried out certainly Dynamic sampling, every sampling in 20 minutes once, primary sample is carried out 10 minutes, the lower sample that can take 5~15mL or so different in flow rate Product, spectrophotometric to be measured is filtered, and calculate concentration and adsorbance, draw adsorption curve figure.It is molten when what is flowed out above glass column When chromium ion concentration is close to original liquid concentration and stable concentration in liquid, adsorption process is close to saturation, after adsorption process terminates, by conduit Moved to from stoste and detachment assays, the same adsorption process of desorption process experimental method are directly carried out in distilled water.
Life-span is that unit is weighed with pore volume (PV), and it represents the intergranular pore-body of filled media in glass column Product, trickle and PV ratio can represent to flow through the multiple of glass column mesopore volume, i.e., the water body handled by glass column Accumulated amount, it is the major criterion for weighing glass column life.
As concentration ratio (Ct/C0) if corresponding PV values are more than 20 when being 0.5, as function admirable, wherein, C0Represent a huge sum of money Belong to the original concentration of chromium in solution, CtRepresent the concentration of chromium in the solution that (device end as shown in Figure 4) flows out after processing.
Wherein, the pore volume (PV) of glass column can be calculated by following formula (1)：
In formula (1), m1Represent the weight of glass column, m2Represent glass column be filled up completely with by deionized water after weight, ρ To be adsorbed the concentration of liquid.
Experimental example 1-1Influence of the addition of surfactant to absorption property
In the experimental example, adsorbing medium is respectively water process prepared by embodiment 5 and comparative example 1 used by glass column Agent.Wherein, embodiment 5 is using quaternary ammonium salt surface active agent and ionic liquid surfactant as cosurfactant, as a result such as Shown in Fig. 4；Comparative example 1 does not add surfactant.
Wherein, pure zeolite has certain absorption property, but adsorption capacity is very small, 4 hours or so rear glass columns Absorption reaches saturation quickly, and the life-span also only has 1.2 PV.
In Fig. 4, the life-span is 53 PV or so, is far longer than 20 PV, illustrates that its performance reaches excellent.Wherein, after Fig. 4 Section is De contamination.
Therefore, illustrate that the addition of surfactant significantly improves the absorption property of zeolite, while illustrate that the present invention is carried The water treatment agent (filled media of water treatment zone) of confession has very strong heavy metal adsorption performance.
Experimental example 1-2Influence of the addition of ionic liquid surfactant to absorption property
In the experimental example, adsorbing medium is respectively water process prepared by embodiment 5 and comparative example 2 used by glass column Agent.Wherein, in embodiment 5, ionic liquid surfactant dosage is 20% (accounting for total surfactant dosage), in comparative example In 2, ionic liquid surfactant dosage is 40% (accounting for total surfactant dosage).
Wherein, it has been described in detail using the treatment effect of the water treatment agent described in embodiment 5 in experimental example 1-1, with Embodiment 5 is compared, and the processing time and life-span of the water treatment agent described in comparative example 2 are weaker than the water process obtained by embodiment 5 Agent.
Therefore, illustrate that the dosage of ionic liquid surfactant (cetyl trimethyl imidazolium chloride) can not be too many, Absorption property and the absorption life-span of water treatment agent can be influenceed too much.
, wherein it is desired to illustrate, the test example is only to employ 100g water treatment agent, and, it is necessary to past when actually using The water treatment agent of addition 30t or so in grid is reacted, therefore, its water treatment efficiency can be more preferably.
Embodiment 2React the actual water process situation of grid
Water process test is carried out to reaction grid prepared by embodiment 6, fixed respectively in front end fixed area and rear end trivial Water sample, it is defined as before and after treatment, wherein, before processing water quality is 300ug/L, and water quality is 50ug/L after processing, is reached National two class water standards.Wherein, water quality represents the content of heavy metal element in water.Show, weight in the water by reacting grid Tenor substantially reduces, and reduces more than 80%.
The present invention is described in detail above in association with embodiment and exemplary example, but these explanations are simultaneously It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention, A variety of equivalencing, modification or improvement can be carried out to technical solution of the present invention and embodiments thereof, these each fall within the present invention In the range of.Protection scope of the present invention is determined by the appended claims.

Claims (10)

  1. A kind of 1. preparation technology for being used to handle the reaction grid of rainwash and phreatic water, it is characterised in that the system Standby technique comprises the following steps：
    Step 1, filling hole is excavated, and in the left and right sides casting concrete of the ground in filling hole；
    Step 2, filling hole bottom laying waterproof layer, and filling cheat in set up sampled well；
    Step 3, the filling for carrying out grill body (2) and front end buffering area (1) and rear end buffering area (3) are piled up；
    Step 4, tested, then bound.
  2. 2. preparation technology according to claim 1, it is characterised in that
    In step 1, the filling hole is cuboid pit；And/or
    In step 1, the depth in the filling hole is 0.5~1.5m, preferably 0.8~1.2m, more preferably 1m；And/or
    In step 2, multiple dry points are disposed with from bottom to top on each sampled well, are preferably provided with 2~5, it is more excellent Choosing sets 3~4.
  3. 3. preparation technology according to claim 1 or 2, it is characterised in that step 3 includes following sub-step：
    Step 3-1, heap masonry block forms front end buffering area (1) and rear end buffering area (3)：On the ground of filling hole rear and front end Heap masonry block, front end buffering area (1) and rear end buffering area (3) are formed respectively；
    Step 3-2, fill filler into filling hole and form grill body (2)：Filled simultaneously successively from front to back into filling hole Stone, water treatment agent and stone, until filling to it is more than ground and with the highest of front end buffering area (1) and rear end buffering area (3) Point is concordant, therefore, forms composition front end fixed area (21), water treatment zone (22) and rear end fixed area (23) respectively from front to back.
  4. 4. the preparation technology according to one of claims 1 to 3, it is characterised in that
    The front end buffering area (1) and rear end buffering area (3) are triangle column construction, and its longitudinal cross-section is triangular in shape；With/ Or
    A diameter of 3~20cm of the stone, more preferably preferably 5~15cm, 10cm.
  5. 5. the preparation technology according to one of Claims 1-4, it is characterised in that the front end buffering area (1) includes front end Bottom surface (11), the rear end buffering area (3) include rear end bottom surface (31), it is preferable that
    The the ratio between longitudinally wide of the longitudinally wide and rear end bottom surface (31) of the front end bottom surface (11) is (1.1~1.5)：1, preferably For (1.2~1.4)：1, more preferably 1.3：1；And/or
    The width of the front end bottom surface (11) is 1~3m, preferably 1.5~2.5m, more preferably 2m.
  6. 6. the preparation technology according to one of claim 3 to 5, it is characterised in that in step 3-2,
    The grill body includes aerial part and under ground portion, the ratio between the height of the aerial part and the depth of under ground portion For (1~2)：1, be preferably (1.2~1.8)：1, more preferably 1.5:1；And/or
    The particle diameter of the stone is 0.5~3cm, preferably 0.5~2.5cm, more preferably 1~2cm；And/or
    The water treatment agent includes zeolite, surfactant and water.
  7. 7. preparation technology according to claim 6, it is characterised in that
    The particle diameter of the zeolite is 0.5~1.5mm, preferably 1~1.5mm；And/or
    The surfactant includes quaternary ammonium salt surface active agent and ionic liquid surfactant, it is preferable that the quaternary ammonium Type surfactant is hexadecyltrimethylammonium chloride, and the ionic liquid surfactant is cetyl trimethyl miaow Azoles chloride.
  8. 8. the preparation technology according to claim 6 or 7, it is characterised in that
    Based on the zeolite of 100 parts by weight, the dosage of surfactant is 2~5 parts by weight, preferably 3~4 parts by weight, more preferably For 3.5 parts by weight；And/or
    Surfactant based on 100wt%, the dosage of ionic liquid surfactant are 2~20wt%, preferably 5~ 15wt%, more preferably 10wt%；And/or
    Based on the zeolite of 100 parts by weight, the dosage of water is 0.03~0.08 parts by weight, preferably 0.05~0.07 parts by weight, more Preferably 0.06 parts by weight.
  9. 9. the preparation technology according to one of claim 3 to 8, it is characterised in that certain being filled into step 3-2 Sampler is buried during height, it is preferable that the sampler is connected with the sample tap set on sampled well.
  10. 10. the preparation technology according to one of claim 1 to 9, it is characterised in that in step 4, using coagulation grave Top.
CN201610695199.3A 2016-08-19 2016-08-19 For the preparation technology for the reaction grid for handling rainwash and phreatic water Pending CN107758757A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610695199.3A CN107758757A (en) 2016-08-19 2016-08-19 For the preparation technology for the reaction grid for handling rainwash and phreatic water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610695199.3A CN107758757A (en) 2016-08-19 2016-08-19 For the preparation technology for the reaction grid for handling rainwash and phreatic water

Publications (1)

Publication Number Publication Date
CN107758757A true CN107758757A (en) 2018-03-06

Family

ID=61263256

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610695199.3A Pending CN107758757A (en) 2016-08-19 2016-08-19 For the preparation technology for the reaction grid for handling rainwash and phreatic water

Country Status (1)

Country Link
CN (1) CN107758757A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201212019Y (en) * 2008-04-15 2009-03-25 崔维 Cage type pollutant treatment device
JP5012405B2 (en) * 2007-10-22 2012-08-29 栗田工業株式会社 Underground purification structure and construction method
CN104150613A (en) * 2014-09-01 2014-11-19 南京大学 Permeable reactive filler for removing nitrate organisms from underground water, system and filling method thereof
CN104261505A (en) * 2014-09-19 2015-01-07 上海市政工程设计研究总院（集团）有限公司 Underground water pollution restoration system and construction method thereof
CN104724890A (en) * 2015-03-24 2015-06-24 北京科技大学 Interception tank for overland runoff in heavy metal contaminated area of mine
CN204607701U (en) * 2015-03-05 2015-09-02 江苏菲力环保工程有限公司 A kind of permeable reactive barrier device for groundwater treatment
US20150329390A1 (en) * 2010-12-10 2015-11-19 Robert C Borden Product and method for treatment of soil and groundwater contaminated with pollutants that can be anaerobically bioremediated
CN105597668A (en) * 2015-09-23 2016-05-25 辽宁石油化工大学 Preparation method and application of modified zeolite

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5012405B2 (en) * 2007-10-22 2012-08-29 栗田工業株式会社 Underground purification structure and construction method
CN201212019Y (en) * 2008-04-15 2009-03-25 崔维 Cage type pollutant treatment device
US20150329390A1 (en) * 2010-12-10 2015-11-19 Robert C Borden Product and method for treatment of soil and groundwater contaminated with pollutants that can be anaerobically bioremediated
CN104150613A (en) * 2014-09-01 2014-11-19 南京大学 Permeable reactive filler for removing nitrate organisms from underground water, system and filling method thereof
CN104261505A (en) * 2014-09-19 2015-01-07 上海市政工程设计研究总院（集团）有限公司 Underground water pollution restoration system and construction method thereof
CN204607701U (en) * 2015-03-05 2015-09-02 江苏菲力环保工程有限公司 A kind of permeable reactive barrier device for groundwater treatment
CN104724890A (en) * 2015-03-24 2015-06-24 北京科技大学 Interception tank for overland runoff in heavy metal contaminated area of mine
CN105597668A (en) * 2015-09-23 2016-05-25 辽宁石油化工大学 Preparation method and application of modified zeolite

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刘梦等: "离子液体改性沸石吸附水溶液中Cr(VI)的研究", 《中国粉体技术》 *
环境保护部办公厅: "《环境保护文件选编 2012 下》", 31 December 2015 *
谌建宇等: "《新型废水处理功能材料的研究与应用》", 31 May 2015 *

Similar Documents

Publication Publication Date Title
CN102392129B (en) Method and system of in-situ ore leaching and leachate discharge of ion adsorption type ore
CN102351316B (en) Green belt drainage channel artificial wetland device for treating rainfall runoff pollution of road
CN103962099B (en) The defluorinating agent that a kind of coal ash for manufacturing is standby and defluorination method thereof and application
CN103990646A (en) Leaching apparatus for arsenic-contaminated soil and treatment method for arsenic-contaminated soil
CN110127988B (en) Method for treating polluted sludge through electroosmosis and solidification combination
Ishiguro et al. Ion transport in an allophanic Andisol under the influence of variable charge
Rui et al. Optimization analysis of heavy metal pollutants removal from fine-grained soil by freeze-thaw and washing technology
CN205204913U (en) A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization
CN106746381A (en) A kind of river sewage governing system and administering method
CN102966165B (en) System for eliminating and reducing urban inland inundation by utilizing adsorption layer of green area and inland inundation eliminating and reducing method
CN107758758A (en) A kind of new permeable reactive barrier
CN107758757A (en) For the preparation technology for the reaction grid for handling rainwash and phreatic water
Widrig et al. Biodegradation of No. 2 diesel fuel in the vadose zone: a soil column study
CN203461868U (en) Indoor experimental system capable of simulating permeable reactive wall
CN110902751B (en) Permeable reactive barrier for underground pollutant migration control and underground pollutant migration control treatment method
CN107540128A (en) The device of the simulation PRB in-situ immobilization heavy metal pollution underground water containing packing material
CN108755569A (en) A kind of large-scale analog simulation device with water-bearing layer simulator
CN209456828U (en) A kind of decontamination building waste permeable pavement structure
CN107619103A (en) A kind of tipping bucket type power-assisted is aerated Ecosystem restoration system
CN106587382A (en) Artificial soil layer quick infiltration system and method for removing ethinylestradiol in water with high hydraulic load
CN208603952U (en) It is a kind of for go water removal in nitrogen phosphorus ecological canal
CN207451693U (en) A kind of crisscross formula multistage rare earth magnetic roller
CN102923864B (en) Method and device for lowering heavy metal content in water
CN106409371A (en) Hydroxyapatite-coating PRB filling material and preparing method and underground-water uranium removing application method thereof
CN207846465U (en) A kind of water and soil conservation wall

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180306

RJ01 Rejection of invention patent application after publication