CN107673440A - A kind of well and method for removing iron for removing Fe Element in Groundwater - Google Patents
A kind of well and method for removing iron for removing Fe Element in Groundwater Download PDFInfo
- Publication number
- CN107673440A CN107673440A CN201711169367.6A CN201711169367A CN107673440A CN 107673440 A CN107673440 A CN 107673440A CN 201711169367 A CN201711169367 A CN 201711169367A CN 107673440 A CN107673440 A CN 107673440A
- Authority
- CN
- China
- Prior art keywords
- well
- water
- steel pipe
- iron
- filtrate
- 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
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/12—Obtaining and confining water by means of wells by means of vertical pipe wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
- E03B3/24—Well filters formed of loose materials, e.g. gravel
-
- 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
- C02F2101/203—Iron or iron compound
-
- 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
- C02F2101/206—Manganese or manganese 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
- C02F2103/06—Contaminated groundwater or leachate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
A kind of well and method for removing iron for removing Fe Element in Groundwater, the well include steel pipe（3）, filter pipe（5）, iron removaling filtrate, sandy gravel stratum（4）, soil layer（7）, water-bearing layer（6）, raised platform around a well（2）, two-way air and water pump, delivery port（10）And valve（11）.The steel pipe is located at the top of well, and filter pipe is arranged on below steel pipe；The steel pipe periphery is sandy gravel stratum；The outer upper part of sandy gravel stratum is soil layer, and bottom is water-bearing layer；Filling filtrate inside filter pipe.A kind of method for removing well Fe Element in Groundwater, filtrate, culture filter membrane are filled in steel pipe well, from steel pipe well delivery port to being oxygenated in well, the iron in underground water is removed using underground aeration catalytic oxidation.Filtrate design at well bottom, can be utilized the free time filtration treatment of well by the present invention, and the water level of extraction is then the water after processing, both meet to take out i.e. with requiring, and can reaches relatively good treatment effect.
Description
Technical field
The present invention relates to a kind of well and method for removing iron for removing Fe Element in Groundwater, belong to water-treatment technology field.
Background technology
There are more rich groundwater resources in China, wherein there is many groundwater resources to contain excessive iron and manganese, referred to as contains
Iron underground water containing manganese.It with water is underground water that, which there are 1/3 cities and towns in the whole nation,.Iron content underground water containing manganese covers population more than 300,000,000, contains in water
Excessive iron and manganese, will drink to life and industrial water brings very big harm.China《Standards for drinking water quality》Regulation：
Iron<0.3 mg/L, manganese<0.1 mg/L.When raw water content of iron and manganese exceedes above-mentioned standard it is necessary to try to be handled, so ground
Lower water deferrization and demanganization is cities and towns and the problem of indusqtrial water supply is commonly encountered.
Iron, manganese are the basic elements for forming organism, but iron, manganese excessively can also be brought very to the life and production of people
More inconvenience and harm.People drinks the too high underground water of ferrimanganic for a long time can cause slow poisoning and trigger some endemic diseases.Contain in water
When concentration of iron is more than 0.3 mg/L, water just becomes muddy, and water has iron taste during more than 1 mg/L.Contain excessive iron particularly in water
Matter, rust spot can be generated when washing clothes, in bright and clean sanitary ware, on the wall and floor that are contacted with water, presented
Brown spot.In addition, also have some industrial waters, such as the industry such as papermaking, weaving, printing and dyeing, food, drinks, beverage, can is all
There are strict requirements to the content of iron in water, manganese.
In The Area of Poyang Lake, jiangxi Fe Element in Groundwater is exceeded serious, but Poyang Lake Area underground water is drunk for resident living
With water, the underground water with iron taste is drunk all the year round, belly pain phenomenon after drinking-water occurred in locality, traditional iron removaling, manganese
Main method is autoxidation method and contact oxidation method, in autoxidation process iron removaling, manganese course of reaction, oxidation and precipitation process
It is required that water stops for quite a long time in reaction settling basin.The process system is complicated, and equipment is huge, and investment is more, and iron removaling, manganese
Effect is undesirable.Due to the difference of economic development, whole distract leads to running water and also has a process, and local resident is using plain type sand
Post filtration treatment water, but effect is limited, can not still meet to be required with water, in order to which resident has safe drinking water, invents a kind of letter
Easily feasible, economical and practical removal Fe Element in Groundwater device is very urgent.
The content of the invention
The object of the present invention is in order to solve rural area lake region Drinking Water for Residents ferro element excessive problem, the present invention proposes one
Kind removes the well and method for removing iron of Fe Element in Groundwater.
The technical scheme that the present invention realizes is as follows, it is a kind of remove underground water ferro element well, including steel pipe, filter pipe,
Iron removaling filtrate, sandy gravel stratum, soil layer, water-bearing layer, raised platform around a well, two-way air and water pump, delivery port and valve；The steel pipe is located at the upper of well
Portion, filter pipe are arranged on below steel pipe；The periphery of steel pipe and filter pipe is sandy gravel stratum；The outer upper part of sandy gravel stratum is soil layer,
The depth location of soil layer is consistent with the depth location of steel pipe；Bottom is water-bearing layer, the position in water-bearing layer and the depth position of filter pipe
Put consistent；Filling iron removaling filtrate in filter pipe；Steel pipe top periphery is raised platform around a well, one end of steel pipe upper outlet connecting valve, valve
The door other end is delivery port；The delivery port is dual-purpose, works as water pipe during water outlet；During aeration, delivery port is air inlet, connects two-way water
Air pump.
The iron removaling filtrate is manganese sand, zeolite or haydite.
The two-way air and water pump is controlled by electric pump control room.
The internal-and external diameter of the filter pipe is identical with steel pipe, and many apertures vertical with tube wall are evenly distributed with drainage tube wall,
Pass through for underground water.
A kind of method for removing well Fe Element in Groundwater, methods described fill iron removaling filtrate, training in steel pipe well
Filter membrane is supported, from steel pipe well delivery port to being oxygenated in well, the iron in underground water is removed using underground aeration catalytic oxidation；Institute
State air and water pump of the underground aeration using two-way suitable rotate counterclockwise.
The implementation steps of methods described are as follows：
（1）The well of exploiting groundwater is designed, selects aquifer occurrence condition and exploitation target position layer by layer, design exploitation
Well construction；
（2）Suitable iron removaling filtrate is selected according to groundwater quality, carries out filling packing, the iron removaling filtrate of filling will meet to draw water to mistake
Filter requirement, does not influence ground water movement；
（3）Cultivate filter membrane；
（4）Aerating device is installed in valve outlet, aeration experiment is carried out to underground water, determines experiment well aeration time；
（5）Fully aerated before exploiting groundwater, after iron is removed in Groundwater, then exploitation uses；
（6）Daily before use, allow air pump give mine water inflation, carry out aeration catalytic oxidation in shaft bottom, save extract water after again
The time of processing.
The iron removaling filtrate must be among well water, when the underground water containing dissolved oxygen filters by filtering layer, ferrous iron in water
Adsorbed by iron removaling filtrate, and then oxydrolysis, irony or manganese matter activity " filter membrane " with catalytic action are increasingly generated, in " filter
The oxidation rate of iron and manganese is greatly speeded up under the catalytic action of film ", and then is removed by iron removaling filtrate.
Work as water pipe the invention has the advantages that the present invention is dual-purpose by the delivery port of wet well, during water outlet；During aeration, go out
The mouth of a river is air inlet, and aeration removing iron is carried out to underground water in well；The present invention designs iron removaling filtrate at well bottom, can utilize water
The free time filtration treatment of well, the water level of extraction are then the water after processing, have both met to take out i.e. with requiring, and can, which reaches, to be compared
Good treatment effect.
Brief description of the drawings
Fig. 1 is underground water pumped well structural representation of the present invention；
In figure, 1 is electric pump control room；2 be raised platform around a well；3 be steel pipe；4 be sandy gravel stratum；5 be filter pipe；6 be water-bearing layer；7 be soil layer；
8 be ground；9 be tree-protector；10 be delivery port；11 be valve.
Embodiment
The embodiment of the present invention is as shown in Figure 1.
A kind of well for removing underground water ferro element of the present embodiment, including steel pipe 3, filter pipe 5, iron removaling filtrate, sandy gravel stratum
4th, soil layer 7, water-bearing layer 6, raised platform around a well 2, two-way air and water pump, delivery port 10 and valve 11.The steel pipe 3 is located at the top of well, drainage
Pipe 5 is arranged on below steel pipe 3；The periphery of steel pipe 3 is sandy gravel stratum 4；The outer upper part of sandy gravel stratum 4 is soil layer 7, soil layer 7
Depth location is consistent with the depth location of steel pipe 3；Bottom is water-bearing layer 6, the position in water-bearing layer 6 and the depth location of filter pipe 5
Unanimously；Filling iron removaling filtrate in filter pipe 5；The position on the ground 8 on the top of steel pipe 3 sets raised platform around a well 2, the well head part on raised platform around a well 2
There is provided tree-protector 9, to being sealed around well head；One end of the upper outlet connecting valve 11 of steel pipe 3, valve 11 are another
One end is delivery port 10；The delivery port is dual-purpose, works as water pipe during water outlet；During aeration, delivery port is air inlet, connects two-way aqueous vapor
Pump, two-way water institute's pump are controlled by electric pump control room 1.
For the present embodiment by taking the m motor-pumped wells of well depth 50 as an example, steel pipe hole diameter is 89 cm, high 0.65 m of raised platform around a well, tree-protector
A diameter of 250 cm of sandy gravel stratum away from the m of ground 0.8, encirclement steel pipe, iron removaling filter material layer foundation are produced water-bearing layer position and set
Put.
A kind of method for removing well underground water ferro element of the present embodiment includes：
Fill iron removaling filtrate：Zeolite, haydite or manganese sand can be selected in iron removaling filtrate.It is minimum that iron removaling filtrate price is done with zeolite, absorption
Capacity is also big compared with haydite, but big not as good as the adsorption capacity of manganese sand, while particle diameter and manganese sand facies ratio are bigger；But manganese sand filtering material price compared with
It is high.For the present embodiment using manganese sand as iron removaling filtrate, although manganese sand price is higher, its specific surface area is big, possesses preferable suction
Attached effect, while removal of the manganese dioxide composition contained in manganese sand to iron has good facilitation, to improve device fortune
The effluent quality of row early stage, therefore elect manganese sand as iron removaling filtrate, specific implementation can according to quality of groundwater now with economy
Condition selects suitable iron removaling filtrate.
Cultivate filter membrane：General aeration oxidation process does not have catalyst, therefore oxidation rate is slower.When the underground containing dissolved oxygen
When water filters by filtering layer, ferrous iron is adsorbed by iron removaling filtrate in water, and then oxydrolysis, increasingly generates with catalytic action
Irony or manganese matter are active " filter membrane ", and the oxidation rate of iron and manganese is greatly speeded up under the catalytic action of " filter membrane ", and then by iron removaling
Filtrate removes.
Inflation oxidation：The present embodiment uses two-way air and water pump as charger, supplemental oxygen, when there is dissolved oxygen in water,
Ferrous iron in water is easy to be oxidized to ferric iron, aoxidizes the ferric iron of generation because solubility is minimum, thus with Fe (OH)3Form
Separate out.
4Fe2++O2+2H2O=4Fe3++4OH-
So as to form oxidized zone in producing well surrounding formation, ferrimanganic bacterium also becomes active.When producing well draws water, underground
Water flows into producing well by being oxygenated stratum.When underground water with iron flows through oxygenation stratum, the dissolubility ferrous ion in water exists
Under the participation of ferrimanganic bacterium, insoluble ferric hydroxide is turned to by oxygen in water and by cut-off filter in the earth formation, so as to drop
Low producing well extracts the ferrimanganic of water out.
Claims (6)
1. it is a kind of remove underground water ferro element well, it is characterised in that the well include steel pipe, filter pipe, iron removaling filtrate,
Sandy gravel stratum, soil layer, water-bearing layer, raised platform around a well, two-way air and water pump, delivery port and valve；The steel pipe is located at the top of well, filter pipe peace
Below steel pipe；The periphery of steel pipe and filter pipe is sandy gravel stratum；The outer upper part of sandy gravel stratum is soil layer, the depth position of soil layer
Put consistent with the depth location of steel pipe；Bottom is water-bearing layer, and the position in water-bearing layer is consistent with the depth location of filter pipe；Filter pipe
Inside filling iron removaling filtrate；Steel pipe top periphery is raised platform around a well, and one end of steel pipe upper outlet connecting valve, the valve other end is
The mouth of a river；The delivery port is dual-purpose, works as water pipe during water outlet；During aeration, delivery port is air inlet, connects two-way air and water pump.
2. a kind of well for removing underground water ferro element according to claim 1, it is characterised in that the iron removaling filtrate is
Manganese sand, zeolite or haydite.
A kind of 3. well for removing underground water ferro element according to claim 1, it is characterised in that the two-way air and water pump
Controlled by electric pump control room.
4. it is according to claim 1 it is a kind of remove underground water ferro element well, it is characterised in that the filter pipe it is interior
External diameter is identical with steel pipe, and many apertures vertical with tube wall are evenly distributed with drainage tube wall, are passed through for underground water.
A kind of 5. method for removing well Fe Element in Groundwater, it is characterised in that methods described is the guarantor around steel pipe well
Sheath is changed to iron removaling filter material layer, culture filter membrane, and from steel pipe well delivery port to being oxygenated in well, contact oxygen is aerated using underground
Change the iron removed in underground water；The underground aeration uses the air and water pump of two-way suitable rotate counterclockwise；The implementation step of methods described
It is rapid as follows：
（1）The well of exploiting groundwater is designed, selects aquifer occurrence condition and exploitation target position layer by layer, design exploitation
Well construction；
（2）Suitable iron removaling filtrate is selected according to groundwater quality, carries out filling packing, the iron removaling filtrate of filling will meet to draw water to mistake
Filter requirement, does not influence ground water movement；
（3）Cultivate filter membrane；
（4）Aerating device is installed in valve outlet, aeration experiment is carried out to underground water, determines experiment well aeration time；
（5）Fully aerated before exploiting groundwater, after iron is removed in Groundwater, then exploitation uses.
A kind of 6. method of removal well Fe Element in Groundwater according to power requires 5, it is characterised in that the iron removaling filter
Material must be among well water, when the underground water containing dissolved oxygen filters by filtering layer, and ferrous iron is adsorbed by iron removaling filtrate in water, and then
Oxydrolysis, increasingly generates irony with catalytic action or manganese matter is active " filter membrane ", under the catalytic action of " filter membrane " iron and
The oxidation rate of manganese is greatly speeded up, and then is removed by iron removaling filtrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169367.6A CN107673440A (en) | 2017-11-22 | 2017-11-22 | A kind of well and method for removing iron for removing Fe Element in Groundwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169367.6A CN107673440A (en) | 2017-11-22 | 2017-11-22 | A kind of well and method for removing iron for removing Fe Element in Groundwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107673440A true CN107673440A (en) | 2018-02-09 |
Family
ID=61150388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711169367.6A Pending CN107673440A (en) | 2017-11-22 | 2017-11-22 | A kind of well and method for removing iron for removing Fe Element in Groundwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107673440A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640199A (en) * | 2018-05-09 | 2018-10-12 | 中国地质大学（武汉） | A kind of underground water purified in situ processing method based on complex mineral filtrate |
| CN108980507A (en) * | 2018-09-21 | 2018-12-11 | 中建四局安装工程有限公司 | The method that prevents secretly deposited tapping pipe from causing terrace to crack because of vibration and used in damping device |
| CN110723840A (en) * | 2019-11-20 | 2020-01-24 | 华电水务科技股份有限公司 | Method and device for removing iron and manganese in underground water |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI43852B (en) * | 1969-02-13 | 1971-03-01 | Yrjoe Reijonen | |
| CA1238012A (en) * | 1984-06-08 | 1988-06-14 | Gale M. Weisenbarger | Apparatus for the treatment of water |
| CN2041370U (en) * | 1988-06-22 | 1989-07-19 | 陈耀辉 | Multipurpose pump for inflating and water sucking |
| KR20110139564A (en) * | 2010-06-23 | 2011-12-29 | 한라산업개발 주식회사 | System and the method for reducing fe and mn in the water by injecting oxygen saturated water into the underground riverbed |
| CN105399245A (en) * | 2015-12-18 | 2016-03-16 | 江苏维尔利环保科技股份有限公司 | Remediation device of hexavalent chromium-polluted underground water, and remediation method thereof |
| CN105967442A (en) * | 2016-06-03 | 2016-09-28 | 吉林大学 | Method for in-situ removal of iron, manganese and ammonia nitrogen in underground water and in-situ well design method |
-
2017
- 2017-11-22 CN CN201711169367.6A patent/CN107673440A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI43852B (en) * | 1969-02-13 | 1971-03-01 | Yrjoe Reijonen | |
| CA1238012A (en) * | 1984-06-08 | 1988-06-14 | Gale M. Weisenbarger | Apparatus for the treatment of water |
| CN2041370U (en) * | 1988-06-22 | 1989-07-19 | 陈耀辉 | Multipurpose pump for inflating and water sucking |
| KR20110139564A (en) * | 2010-06-23 | 2011-12-29 | 한라산업개발 주식회사 | System and the method for reducing fe and mn in the water by injecting oxygen saturated water into the underground riverbed |
| CN105399245A (en) * | 2015-12-18 | 2016-03-16 | 江苏维尔利环保科技股份有限公司 | Remediation device of hexavalent chromium-polluted underground water, and remediation method thereof |
| CN105967442A (en) * | 2016-06-03 | 2016-09-28 | 吉林大学 | Method for in-situ removal of iron, manganese and ammonia nitrogen in underground water and in-situ well design method |
Non-Patent Citations (2)
| Title |
|---|
| 李广贺: "《水资源利用工程与管理》", 31 October 1998, 清华大学出版社 * |
| 王翔朴等: "《高等医药院校教材 供医学、儿科、口腔专业用 卫生学 第2版》", 31 May 1985, 北京：人民卫生出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640199A (en) * | 2018-05-09 | 2018-10-12 | 中国地质大学（武汉） | A kind of underground water purified in situ processing method based on complex mineral filtrate |
| CN108980507A (en) * | 2018-09-21 | 2018-12-11 | 中建四局安装工程有限公司 | The method that prevents secretly deposited tapping pipe from causing terrace to crack because of vibration and used in damping device |
| CN110723840A (en) * | 2019-11-20 | 2020-01-24 | 华电水务科技股份有限公司 | Method and device for removing iron and manganese in underground water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101146747B (en) | Method for ground water and wastewater treatment | |
| CN1910117B (en) | On-site desalination device | |
| CN107673440A (en) | A kind of well and method for removing iron for removing Fe Element in Groundwater | |
| CN101333026A (en) | Method and apparatus for removing overproof iron and manganese in underground seawater | |
| CN104193074B (en) | The process device of a kind of high concentration hard-degraded organic waste water and processing method | |
| CN105523644B (en) | A kind of integrated treatment unit and method of the high ammonia nitrogen underground water of high-iron and high manganese | |
| CN101274805B (en) | Hydraulic oxygen increasing water self-cleaning screen | |
| CN1994928A (en) | Movable and integral drinking water purifier | |
| CN101967023B (en) | Ground water purification plant based on biological oxidation and reduction processes | |
| CN102030442A (en) | Discharge and standard reaching treatment method for thick oil sewage of oilfields | |
| CN105130112A (en) | Composite soil layer system, method and experimental apparatus for removing typical endocrine disruptors from water | |
| CN105541037B (en) | A kind of advanced treatment system for removing industrial wastewater mineral oil in fluid | |
| CN212924621U (en) | Device for treating organic pollutants in underground water based on hydraulic control condition | |
| CN108623087B (en) | Process for treating bad water body and deep water culture | |
| CN104445829B (en) | The biological synchronous treatment process removing high-iron and high manganese in underground drinking water of a kind of cold condition | |
| CN104193076B (en) | A kind of method that removes the device of nitrogen in underground water and remove nitrogen in underground water | |
| CN105439276B (en) | A kind of oxidation catalysis post removes mine water middle and high concentration ferrimanganic device and its processing method | |
| CN206156982U (en) | Treatment equipment of domestic sewage | |
| CN101717172B (en) | Method for treating underground seawater used for aquiculture | |
| CN108178280A (en) | A kind of high efficiency synchronous removes the device and method of water removal middle and high concentration ammonia nitrogen, iron, manganese | |
| CN108751314A (en) | It is a kind of to collect the air-lift device promoted for garbage leachate | |
| CN101863565B (en) | Earth surface depth treatment method of high-arsenic underground water and system thereof | |
| CN104108836B (en) | A kind of device and method of micro-polluted water synchronous denitrification dephosphorizing | |
| CN105130115A (en) | Treatment system and method and experimental apparatus for removing BPA from water by high hydraulic load | |
| CN203170110U (en) | Gas phase-liquid phase-solid phase separation precipitator |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |