CN106830537A - A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution - Google Patents
A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution Download PDFInfo
- Publication number
- CN106830537A CN106830537A CN201710105969.9A CN201710105969A CN106830537A CN 106830537 A CN106830537 A CN 106830537A CN 201710105969 A CN201710105969 A CN 201710105969A CN 106830537 A CN106830537 A CN 106830537A
- Authority
- CN
- China
- Prior art keywords
- hyposmosis
- water
- area
- high permeability
- permeability zones
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution, including former pond, water pump, Simulated soil columns and automatic fraction collector, former pond includes that stoste injects bottle and conduit, Simulated soil columns are rectangular structure, it is divided into top high permeability zones in it, bottom hyposmosis area, the two ends centre position in high permeability zones and hyposmosis area is respectively arranged with water inlet and delivery port, the left and right two ends of Simulated soil columns are respectively provided with the water flow buffer area equipped with bead, water flow buffer area is isolated by being pasted with the porous filter plate and Simulated soil columns of filter membrane, positioned at the water flow buffer area middle setting organic glass baffle at left and right two ends, with interfering of preventing high permeability zones and hyposmosis area from intaking, its top is provided with gas outlet；Former pond is connected with the water inlet in high permeability zones and hyposmosis area by water pump and flexible pipe respectively, and the delivery port in high permeability zones and hyposmosis area is connected by flexible pipe with automatic fraction collector respectively.Simple structure of the present invention, it is novel.
Description
Technical field
The invention belongs to environmental technology field, it is related to a kind of simulation for repairing underground water hyposmosis area heavy metal chromium pollution to fill
Put.
Background technology
Underground water is the important component of China's water resource, with rapid development of economy, China most cities
Underground water be subject to heavy metal pollution, and underground water heavy metal pollution be different from surface water, heavy metal contaminants enter wherein
The very refractory reason in water-bearing layer.It is worth noting that, underground water heavy metal pollution seriously jeopardizes China's safe drinking water, just turn into
A kind of serious geological disaster for jeopardizing people life property safety, underground water Heavy Metal Pollution Control is broken in the eyebrows and eyelashes.China is
Chromium salt production big country of the world, annual new about 600,000 tons of the discharge chromium slag in the whole nation is accumulative to produce the chromium quantity of slag to be about 6,000,000 tons.Due to going through
History reason, most chromium slags are simply stored up, 0.3 ~ 1.5% soluble Cr VI washing away through rainfall and surface water in chromium slag
Into soil and groundwater, make around underground water total chrome content between 0.24 ~ 880.16 mg/L, content of 6-valence Cr ions 0.07 ~
Between 806.89 mg/L, which results in Cr VI exceeding standard rate up to 100%.What China environmental protection relevant departments formulated《The whole nation
Pollution prevention plan（2011-2020）》Also clearly using improvement heavy metal chromium pollution underground water as focus.
Underground water heavy metal pollution is investigated both at home and abroad, and carrying out to representative heavy metal minimizing technology is tentatively ground
Study carefully, achieve certain achievement in research.Such as：Extraction-soil surface treatment technology, phytoremediation technology, showering technology, chemical remediation
Technology, permeable reactive barrier etc..However, these technological means there are corresponding shortcomings and limitations, water table is generally used for
Thief zone region Heavy Metal Pollution Control, to underground water hyposmosis region and does not apply to.Hyposmosis region there is no unification both at home and abroad
Definition, usually thinks the very poor medium of a kind of permeability between anaerobic condition and water barrier.Foreign study shows, ground
The heavy metal contaminants deposited in clay, Rock Matrix in lower water hyposmosis region can continue to carry out counter diffusion to Thief zone region
Process, will also result in the region heavy metal pollution of underground water Thief zone, and diffusion time is up to decades.But for hyposmosis area chromium
The low concentration pollution that back-diffusion is caused, currently used for high permeability zones（HPZ）Physics and chemical technology efficiency is low, cost that chromium is administered
Height, and cannot persistence solve the pollution problem that causes of back-diffusion.Therefore, in view of increasingly strict quality of groundwater control mark
Standard, hyposmosis area pollution of chromium has turned into the threat that can not ignore, and its Environmental capacity problem is the severe challenge in China or even the world,
In the urgent need to a kind of recovery technique of innovation.
Therefore, in view of present on problem, develop it is a kind of repair underground water hyposmosis area's pollution of chromium analogue means.
The content of the invention
A kind of reparation underground water that the purpose of the present invention is directed to the underground water hyposmosis area of current fresh few concern and provides
The analogue means of hyposmosis area heavy metal chromium pollution, is used to carry out the related experiment of underground water hyposmosis area's pollution of chromium, solves ground
The back-diffusion problem of Xia Shui hyposmosis area's pollution of chromium, the conclusion that experiment is obtained can be moving for underground water hyposmosis area's heavy metal chromium
Move and removal provides theory support.
A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution proposed by the present invention, it is characterised in that：
Including former pond, water pump, Simulated soil columns and automatic fraction collector,
Wherein：
The former pond includes that stoste injects bottle and conduit, and the Simulated soil columns are rectangular structure, and upper and lower two are divided into it
Point, top is high permeability zones, and bottom is hyposmosis area, the two ends centre position in high permeability zones and hyposmosis area be respectively arranged with into
The mouth of a river and delivery port, the left and right two ends of Simulated soil columns are respectively provided with the water flow buffer area equipped with bead, the water flow buffer area
Isolated by the porous filter plate and Simulated soil columns that are pasted with filter membrane, in the middle of the water flow buffer area at left and right two ends（Vertical Square
To）Organic glass baffle is set, and with interfering of preventing high permeability zones and hyposmosis area from intaking, its top is provided with outlet
Mouthful；
The former pond is connected with the water inlet in high permeability zones and hyposmosis area by water pump and flexible pipe respectively, high permeability zones and low
The delivery port of infiltration area is connected by flexible pipe with automatic fraction collector respectively.
In the present invention, the stoste injection bottle is provided with two, respectively microbial nutrient solution injection bottle and finite concentration
Chromium solution injects bottle；Wherein：Microbial nutrient solution injection bottle is connected by water pump with the water inlet of high permeability zones, finite concentration chromium
Solution injection bottle is connected by water pump with the water inlet in hyposmosis area.
In the present invention, the stoste injection bottle is blue lid reagent bottle.
In the present invention, the water pump is six passage digital display peristaltic pumps.
In the present invention, the filter sizes of the porous filter plate are 5 μm, and the flow of inlet water of high permeability zones is 0.105L/
Min, the flow of inlet water in hyposmosis area is 0.35mL/min.
In the present invention, the Simulated soil columns material uses lucite, 12cm long, 2cm wide, 9cm high, the high permeability zones
Packing material be the quartz sand of 500 μm of particle diameter, the packing material in hyposmosis area is the quartz sand of 50 μm of particle diameter.
In the present invention, the automatic fraction collector includes outlet pipe, timing rotating disk and eluate collection container；The timing
Rotating disk sets and turned once every 20 minutes, and eluate collection container is 10mL centrifuge tubes.
The present invention uses above technical scheme, has the advantages that：
(1) former pond in the present invention can provide the instantaneous switching of various concentrations different solutions, and the water inlet flow velocity of different zones becomes
Changing can be adjusted by peristaltic pump respectively.
(2) filter and filter membrane at the analogue means two ends in the present invention are prevented from the impact into water current, it is ensured that enter
The uniformity of water outlet, and filled media blocking pipeline can be prevented.
(3) represented two kinds in groundwater environment by the medium of two kinds of different-grain diameters of filling in the analogue means in the present invention
Different infiltration areas, will intricately descend environmental profile.
(4) can be by the timing automatic collection sample of automatic collector in the present invention, raising can automaticity.
(5) device of the present invention design that ingenious, floor space is small, easily operated, operating is simple, high degree of automation,
Easy care, small investment, can be used to repair the polytype pollutant in underground water simultaneously, it is possible to carried out by the data obtained
Simulation so that the migration trend polluted in predicting actual underground environment, be the prediction of biological prosthetic hyposmosis area groundwater model and
The advanced means of the technically reliable in terms of study mechanism.
Brief description of the drawings
Fig. 1 is the breakthrough curve of 0.5 mol/L sodium chloride；
Fig. 2 is the breakthrough curve of 5 mg/L chromium solutions；
Fig. 3 is the analogue means of the reparation pollution of chromium of present invention design；
Fig. 4 is the Simulated soil columns result figure of present invention design；
Label in figure：1. solution injects bottle（Former pond）；2. water pump；3. Simulated soil columns；4. automatic fraction collector；5. glass
Pearl；6. 45 μm of quartz sands of particle diameter；7. 100 μm of quartz sands of particle diameter；8. porous filter plate；9. filter membrane；10. organic glass baffle.
Specific embodiment
The present invention is further illustrated below by embodiment combination accompanying drawing.
Embodiment 1：Referring to Fig. 3 and Fig. 4, described device includes former pond 1, and water pump 2, Simulated soil columns 3 and automatic part are received
Storage 4.Wherein：
The former pond 1 includes that stoste injects bottle and conduit, and the water pump 2 is six passage digital display peristaltic pumps, the Simulated soil columns 3
It is cuboid-type device, upper and lower two parts are distinguished by the Filled Dielectrics of different-grain diameter in the two ends centre position of height infiltration area
Water inlet and delivery port are set, and the left and right two ends of rectangular-shape container are respectively provided with the current equipped with bead 5 of certain volume
Buffering area, and isolated with the porous filter plate 8 and Simulated soil columns 3 of pasting filter membrane, in the middle of the water flow buffer area at left and right two ends（Vertically
Direction）Organic glass baffle 10 is set, and with interfering of preventing high permeability zones and hyposmosis area from intaking, top is provided with outlet
Mouthful；The automatic fraction collector 4 includes outlet pipe, timing rotating disk and eluate collection container.
The former pond 1 is connected with the water inlet of Simulated soil columns 3 by multi-channel peristaltic pump and flexible pipe, and Simulated soil columns 3 go out
The mouth of a river is connected by flexible pipe with automatic fraction collector 4.
The stoste injection bottle is provided with two, respectively microbial nutrient solution injection bottle, the injection of finite concentration chromium solution
Bottle；Wherein microbial nutrient solution injection bottle is connected by water pump with the upper left high permeability zones water inlet of device, finite concentration chromium
Solution injection bottle is connected by water pump with the hyposmosis area water inlet of lower left.Stoste injection bottle is blue lid reagent bottle.
Specific implementation step is as follows：The high and low infiltration area water inlet of Simulated soil columns 3 is respectively by water pump 2 and former pond 1
Two blue lid reagent bottles are connected, and the first step is separately filled with the NaCl salting liquids of 0.5 mol/L, Simulated soil columns in two reagent bottles
It is Organic glass column, 12cm long, 2cm wide, 9cm high, the filled media high permeability zones are the quartz sand 6 of about 500 μm of particle diameter, low
Infiltration area is the quartz sand 7 of about 50 μm of particle diameter, using wet method dress post, quartz sand layering dress is real.After device is connected well, open compacted
Dynamic pump 2, carries out the sample introduction experiment of NaCl salting liquids, and the flow of inlet water for setting height infiltration area is respectively 0.105 and 0.35 mL/
min.Simulated soil columns are saturation system, and the porosity of height infiltration area is respectively 0.375 and 0.300.Water outlet and automatic receipts
Storage 4 is connected, and concurrently sets sampling routine, realizes different time Real-time Collection sample, and it is 20 minutes to set sampling time interval
One sample of collection.The change in concentration for being collected into sample is as shown in Figure 1.As shown in Figure 1, outflow concentration is initially dense with sample introduction
The time that degree reaches balance was about full of a time for pore volume, and this result shows, Jie of the chlorion in height infiltration area
Without absorption in matter, therefore can be used as tracer.
Embodiment 2：Solution in former pond is changed to the hexavalent chromium solution of 5 mg/L, and experimental procedure is with embodiment 1, gained reality
Test result as shown in Figure 2.Fig. 2 results are pointed out, although Cr VI needs about full of two times of pore volume in the apparatus
Can just reach and penetrate balance, but when Cr VI reaches and penetrates balance, the concentration of Cr VI and former sample introduction Cr VI in water outlet
The ratio of concentration is not reduced, and this result shows, Cr VI in the two media of height infiltration area also without absorption, because
In the follow-up experiment for adding microorganism, the concentration reduction of Cr VI is removal effect of the microorganism to Cr VI for this.
Claims (7)
1. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution, it is characterised in that：Including former pond, water
Pump, Simulated soil columns and automatic fraction collector, wherein：
The former pond includes that stoste injects bottle and conduit, and the Simulated soil columns are rectangular structure, and upper and lower two are divided into it
Point, top is high permeability zones, and bottom is hyposmosis area, the two ends centre position in high permeability zones and hyposmosis area be respectively arranged with into
The mouth of a river and delivery port, the left and right two ends of Simulated soil columns are respectively provided with the water flow buffer area equipped with bead, the water flow buffer area
Isolated by the porous filter plate and Simulated soil columns that are pasted with filter membrane, in the middle of the water flow buffer area at left and right two ends（Vertical Square
To）Organic glass baffle is set, and with interfering of preventing high permeability zones and hyposmosis area from intaking, its top is provided with outlet
Mouthful；
The former pond is connected with the water inlet in high permeability zones and hyposmosis area by water pump and flexible pipe respectively, high permeability zones and low
The delivery port of infiltration area is connected by flexible pipe with automatic fraction collector respectively.
2. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 1, its feature
It is：The stoste injection bottle is provided with two, respectively microbial nutrient solution injection bottle and finite concentration chromium solution injection bottle；
Wherein：Microbial nutrient solution injection bottle is connected by water pump with the water inlet of high permeability zones, and finite concentration chromium solution injection bottle leads to
Water pump is crossed to be connected with the water inlet in hyposmosis area.
3. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 2, its feature
It is：The stoste injection bottle is blue lid reagent bottle.
4. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 1, its feature
It is：The water pump is six passage digital display peristaltic pumps.
5. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 1, its feature
It is：The filter sizes of the porous filter plate are 5 μm, and the flow of inlet water of high permeability zones is 0.105 mL/min, hyposmosis area
Flow of inlet water be 0.35mL/min.
6. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 1, its feature
It is：The Simulated soil columns material uses the lucite, 12cm long, 2cm wide, 9cm high, the packing material of the high permeability zones to be
The quartz sand that 500 μm of particle diameter, the packing material in hyposmosis area is the quartz sand of 50 μm of particle diameter.
7. a kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution according to claim 1, its feature
It is：The automatic fraction collector includes outlet pipe, timing rotating disk and eluate collection container；The timing rotating disk set every
Turn once within 20 minutes, eluate collection container is 10mL centrifuge tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105969.9A CN106830537A (en) | 2017-02-27 | 2017-02-27 | A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105969.9A CN106830537A (en) | 2017-02-27 | 2017-02-27 | A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106830537A true CN106830537A (en) | 2017-06-13 |
Family
ID=59133513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710105969.9A Pending CN106830537A (en) | 2017-02-27 | 2017-02-27 | A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106830537A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007271508A (en) * | 2006-03-31 | 2007-10-18 | Sumitomo Osaka Cement Co Ltd | Soil pollutant elution testing method and soil pollutant elution promoting apparatus |
| CN103147749A (en) * | 2013-02-28 | 2013-06-12 | 西南石油大学 | Novel physical model experiment device for two-dimensional heterogeneous reservoir bed |
| CN106370804A (en) * | 2016-09-05 | 2017-02-01 | 中国科学院南京土壤研究所 | Three-dimensional visible simulation device for simulating migration and transformation of pollutants in porous media in underground environment |
-
2017
- 2017-02-27 CN CN201710105969.9A patent/CN106830537A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007271508A (en) * | 2006-03-31 | 2007-10-18 | Sumitomo Osaka Cement Co Ltd | Soil pollutant elution testing method and soil pollutant elution promoting apparatus |
| CN103147749A (en) * | 2013-02-28 | 2013-06-12 | 西南石油大学 | Novel physical model experiment device for two-dimensional heterogeneous reservoir bed |
| CN106370804A (en) * | 2016-09-05 | 2017-02-01 | 中国科学院南京土壤研究所 | Three-dimensional visible simulation device for simulating migration and transformation of pollutants in porous media in underground environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Harvey et al. | Role of physical heterogeneity in the interpretation of small‐scale laboratory and field observations of bacteria, microbial‐sized microsphere, and bromide transport through aquifer sediments | |
| CN106680466A (en) | Device for simulating soil groundwater oxygen content gradient distribution under hydrostatic condition | |
| CN104801536B (en) | Chemical leaching is utilized to be combined the method repairing contaminated with halogenated hydrocarbons place with microbial | |
| CN110681685A (en) | Polluted site soil-underground water integrated simulation restoration device and method | |
| CN203033844U (en) | Groundwater pollution in-situ remediation simulator | |
| CN105417769B (en) | A kind of laboratory carbon tetrachloride separating treatment system and its handling process | |
| CN105427730B (en) | Get over streaming system analogue means and analogy method in a kind of karst region skylight | |
| CN212964501U (en) | Simulation device for migration process of pollutants in soil-underground water system | |
| CN110927021A (en) | Underground water pollutant reaction migration simulation device and use method thereof | |
| CN111855499A (en) | Electroplating field soil-underground water integrated pollutant migration and diffusion simulation method | |
| CN108298733A (en) | A kind of Multifunctional adjustable PRB laboratory testing rigs | |
| CN202929029U (en) | Simulation test device for in-situ chemical and biological remediation of underground water | |
| CN103332793B (en) | Method for restoring chromium-polluted underground water and permeable reaction wall | |
| CN210995782U (en) | Contaminated site soil-groundwater integral type simulation prosthetic devices | |
| CN203461868U (en) | Indoor experimental system capable of simulating permeable reactive wall | |
| Zhang et al. | Investigating colloid-associated transport of cadmium and lead in a clayey soil under preferential flow conditions | |
| CN107309270A (en) | Application of one plant of BB bacterium in reduction red mud pH value | |
| CN106830537A (en) | A kind of analogue means for repairing underground water hyposmosis area heavy metal chromium pollution | |
| CN107540128A (en) | The device of the simulation PRB in-situ immobilization heavy metal pollution underground water containing packing material | |
| CN206116036U (en) | Be used for uranium to pollute prosthetic device of groundwater | |
| CN210559906U (en) | Permeable reactive barrier system for groundwater remediation | |
| CN105948165A (en) | Method for regulating permeability of permeable reactive barrier (PRB) | |
| CN113702246B (en) | Monitoring device and monitoring method for pollutant migration in filling fracture network | |
| AU2021102791A4 (en) | Apparatus for Studying the Adsorption Mechanism of Nuclides in Single Fissure Natural Granite | |
| CN208345915U (en) | A kind of Multifunctional adjustable PRB laboratory testing rig |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |