CN104438299A - Comprehensive apparatus for polluted-soil restoration and vegetation recovery - Google Patents
Comprehensive apparatus for polluted-soil restoration and vegetation recovery Download PDFInfo
- Publication number
- CN104438299A CN104438299A CN201310432975.7A CN201310432975A CN104438299A CN 104438299 A CN104438299 A CN 104438299A CN 201310432975 A CN201310432975 A CN 201310432975A CN 104438299 A CN104438299 A CN 104438299A
- Authority
- CN
- China
- Prior art keywords
- water
- contaminated soil
- plant
- filter
- moisture
- 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.)
- Granted
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
A disclosed comprehensive apparatus for polluted-soil restoration and vegetation recovery is composed of an in-situ plant immobilization, collection of infiltration water, purification and reutilization. A plant restoration area is composed of restoration plant and polluted soil, and the restoration plant is selected according to the concrete status of polluted soil and landscape requirements. A leaching water channel is composed of a segmentation layer, a leaching layer and an anti-infiltration layer; the leaching layer has a certain gradient and is provided with filter screens for facilitating water converging and preliminary separation with particles. A drainage channel is arranged between two filter screens, the end of the drainage channel is filled with black carbon compression polymerization balls with consistent specification, and the drainage channel is a conveying channel of leaching water and is used for preliminary adsorption of pollutants. A drug putting chamber is used to add a drug for reacting with pollutants in leaching water. A flocculation deposition chamber is used for sedimentation of pollutants. A clear-water recovery utilization pool is used for storage of clear water and cleaned rainwater. A filter is used for secondary filtering of soluble pollutants. A clean-water recharge pipe is used to pour vegetations.
Description
Technical field
The present invention relates to contaminated soil restoration of the ecosystem field, particularly organic matter or the drip washing reparation of heavy-metal contaminated soil original position and moisture recycling field.
Background technology
along with the fast development of urban economy, soil pollution is more and more serious, can be used for agriculture, forest development soil resource more and more deficienter, in order to address this problem, people start Tu Yuan to lock onto contaminated soil, as heavy metal pollution of mine soil, industrial or agricultural are given up soil inorganic that solid and waste water causes, organic contamination.Corresponding soil physics, chemistry, biological renovation method arise at the historic moment, but have certain limitation.Only in the concrete condition according to contaminated soil, in line with the principle treated with a certain discrimination, meet energy-conservation, economize on water, save land, the target of investment reduction, be only the direction of contaminated soil remediation.
the present invention is directed to current contaminated soil and be used as Problems existing in afforestation land used, devise a kind of chemistry-microorganism-plant combined prosthetic device being core technology with phytoremediation and chemical leaching, finally make the contaminated soil leaching concentration after reparation should reach national underground water quality standard (GB14848-93) III class water quality requirement, moisture water outlet irrigation soils water quality after drip washing purification reaches urban sewage reutilization water for scenic environment use water standard (GB/T 18921-2002), and the rate of being recycled of moisture brings up to 50% ~ 82%.
Summary of the invention
a kind of integration unit for contaminated soil remediation and revegetation, fixed by original position plant, the collection of Infiltration water, purification and recycling four parts set up, comprise: phytoremediation district, be made up of rehabilitation plant and the thick contaminated soil of 0.2m--1m, according to concrete condition and the view requirement of contaminated soil, select suitable Pioneer plant community;
washing water passage, be positioned at the below needing the rehabilitating soil degree of depth, from the top down successively by separate layer (being made up of porous materials such as geotextiles), leached layer (being made up of blinding or rough sand etc.), impermeable layer (fluid-tight antiseepage film material) is formed, wherein, separate layer is used for separating soil and is mixed into leached layer, the leached layer of certain thickness and the bottom gradient, the pouring being convenient to soil moisture moves and collects, be respectively equipped with in two-phase counter-slope angle metalling convergence place i.e. drainpipe junction the pvc membrane filtration net that aperture is 1 ~ 2mm simultaneously, as one-level moisture filter, prevent rear line clogging, bottom is provided with impermeable layer, be that the HDPE antiseepage film of 0.2mm ~ 3mm or LDPE antiseepage film are formed by thickness, thing of preventing and remedying pollution moves downwards, polluted underground water,
drainage channel, starts between two screen packs, is the double wave soakaway trench of diameter 315mm ~ 500mm, and drainpipe does not fill up position and compresses the filling of polymerization sphere by the black wood charcoal by specification being 5mm ~ 10mm;
sewage diposal area, is recycled pond formed by drug-throwing chamber, flocculation sediment room, clear water, be built into by fluid-tight cement, wherein there is mixing plant bottom drug-throwing chamber, for the mixing of medicine after offeing medicine, flocculation sediment room, bottom is trapezoidal shape, for the deposition of pollutant; Clear water recycles pond, and after being positioned at settler, pond is deeper than flocculation sediment room, for the storage of water purification and clean rainwater;
filter, is made up of filter membrane, screen pack, triple valve, Pressure gauge, after flocculation sediment, and the secondary filter of still solvable pollutant;
clean water recharges pipeline, is made up of water pipe and dropper shower nozzle, for watering green planting.Water pipe end is provided with venturi balling iron, and improve the dissolubility of pollutant difficult water-soluble in soil for adding medicament, the pouring being convenient to pollutant goes out.
preferably, the leached layer bottom of described washing water passage is skewed, its gradient is 15 ~ 25 °, be convenient to collecting of moisture, be respectively equipped with in two-phase counter-slope angle metalling convergence place i.e. drainpipe junction the pvc membrane filtration net that aperture is 1 ~ 2mm simultaneously, as one-level moisture filter, control rear line clogging.
preferably, in described sewage diposal area, drug-throwing chamber mesospore is provided with high and low water alarm, and when water level is too low, water pump stops pumping, and when water level is too high, stops pouring water.
preferably in described sewage diposal area, flocculation sedimentation tank bottom is stepped, which is provided with a dismountable flexible base plate, containing the anaerobe culture medium of with good grounds sewage composition setting and fibrous activated carbon on substrate; Be provided with mud discharging mouth at the right end of flocculation sedimentation tank simultaneously, be convenient to discharge and the recovery of mud.
preferably described filter, after flocculation sediment, the secondary filter of still solvable pollutant, by two filters, (filter membrane and screen pack form; Filter membrane can select NF membrane, microfiltration membranes etc. according to pollutant situation), two triple valves, Pressure gauges composition, when pressure tabular value exceeds limit value, can manual adjustments triple valve, thus when making replacing filter, do not affect whole flow process and effluent quality.
beneficial effect of the present invention: the present invention devises one and fixes for contaminated soil original position plant, extract and moisture collection after moisture drip washing, purification and re-use device, with plant, chemical leaching is core, microbial technique is auxiliary combined remediation technology, the fast purification of contaminated soil can be realized, the high efficiente callback of moisture utilizes, finally make the contaminated soil leaching concentration after reparation should reach national underground water quality standard (GB14848-93) III class water quality requirement, moisture water outlet irrigation soils water quality after drip washing reaches urban sewage reutilization water for scenic environment use water standard (GB/T 18921-2002), the rate of being recycled of moisture brings up to 50% ~ 82%.
the present invention, by arranging washing water passage below contaminated soil, can play the effect preventing soil from occurring waterlogging, collects washing water and rainwater, effectively stops underground water pollution; Washing water passage rear arranges sewage diposal area, can play the recycling of washing water and rainwater, effectively check secondary pollution, saving water resource.
Accompanying drawing explanation
fig. 1 be of the present inventionly to fix for contaminated soil original position plant, extract and moisture collection after moisture drip washing, purification and re-use device schematic diagram.
Detailed description of the invention
below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
as shown in Figure 1, the invention provides a kind of integration unit for contaminated soil remediation and revegetation, fixed by original position plant, the collection of Infiltration water, purification and recycling four parts set up, comprise: phytoremediation district, be made up of rehabilitation plant 1 and contaminated soil 2, according to concrete condition and the view requirement of contaminated soil, select suitable Pioneer plant community, washing water passage, be made up of porous materials such as geotextiles separate layer 3(), leached layer 4(is made up of blinding or rough sand etc.), the fluid-tight antiseepage film of impermeable layer 6() form, be wherein provided with pvc membrane filtration net 5 in two-phase counter-slope angle metalling convergence place i.e. drainpipe junction, drainage channel 7, between two screen packs, the black wood charcoal ball consistent by the specification of drainpipe and interior cloth forms, and enters processing region for receiving washing water, sewage diposal area, by drug-throwing chamber 8, flocculation sedimentation tank 12, clear water is recycled pond 17 and is formed, suitable medicament can be selected according to contaminated soil situation in drug-throwing chamber, as flocculating settling agents such as polyacrylamides, mixing plant 9 is provided with below drug-throwing chamber, so that medicine and water fully mix, reaction, simultaneously, the sidewall of drug-throwing chamber is provided with high and low water alarm device 10, in case the too high or too low harm caused of water level, suitable anaerobe culture medium and microorganism and biological carbon cellulose fiber 13 can be selected according to contaminated soil situation in flocculation sedimentation tank, sewage draining exit is provided with below flocculation sedimentation tank, and after mud being entered pollution collecting chamber 15 by electrically operated valve 14, continue process, wherein carry out moisture extraction by pump 11 between drug-throwing chamber and flocculation sedimentation tank, flocculation sedimentation tank and clear water are recycled pond and are carried out water transport by manually-operated gate 16, filter is made up of two filter 20(filter membranes and screen pack, filter membrane can select NF membrane, microfiltration membranes etc. according to pollutant situation), two triple valves 19, Pressure gauge groups 21 one-tenth, when pressure tabular value exceeds limit value, can manual adjustments triple valve, thus when making replacing filter, do not affect whole flow process and effluent quality, clean water recharges pipeline, be made up of water pipe 22 and dropper shower nozzle 24, water pipe end is provided with venturi balling iron 23, can add medicament, such as rainy season according to actual conditions, corresponding chelating agent (as EDTA, NTA etc.) can be added according to soil regime, improve the dissolubility of difficult water-soluble pollutant in soil, the pouring being convenient to pollutant goes out, in non-rainy season, can not adding medicine, improve plant fixing, extract and volatilization.
Claims (9)
1. a device, is characterized in that, comprising:
Phytoremediation district, is made up of rehabilitation plant and the thick contaminated soil of 0.2--1m, according to concrete condition and the view requirement of contaminated soil, selects suitable Pioneer plant community, washing water passage, be positioned at the below needing the rehabilitating soil degree of depth, from the top down successively by separate layer (being made up of porous materials such as geotextiles), leached layer (being made up of blinding or rough sand etc.), leached layer, impermeable layer (being made up of fluid-tight antiseepage film material), wherein, separate layer is used for separating soil and is mixed into leached layer, the leached layer of certain thickness and the bottom gradient, the pouring being convenient to soil moisture moves and collects, be respectively equipped with in two-phase counter-slope angle metalling convergence place i.e. drainpipe junction the pvc membrane filtration net that aperture is 1 ~ 2mm simultaneously, as one-level moisture filter, prevent rear line clogging, bottom is provided with impermeable layer, be that the HDPE antiseepage film of 0.2mm ~ 3mm or LDPE antiseepage film are formed by thickness, thing of preventing and remedying pollution moves downwards, polluted underground water, drainage channel, starts between two screen packs, is the dual damascene porous pipe of diameter 315mm ~ 500mm, and drainpipe does not fill up the black wood charcoal that position is 5mm--10mm by specification and compresses the filling of polymerization sphere,
Sewage diposal area, is recycled pond formed by drug-throwing chamber, flocculation sediment room, clear water, be built into by fluid-tight cement, wherein there is mixing plant bottom drug-throwing chamber, for the mixing of medicine after offeing medicine, flocculation sediment room, bottom is trapezoidal shape, is convenient to the deposition of pollutant; Clear water recycles pond, and after being positioned at settler, pond is deeper than flocculation sediment room, for the storage of water purification and clean rainwater;
Filter, is made up of filter membrane, screen pack, triple valve, Pressure gauge, after flocculation sediment, and the secondary filter of still solvable pollutant;
Clean water recharges pipeline, is made up of water pipe and dropper shower nozzle, and for watering green planting, water pipe end is provided with venturi balling iron, and improve the dissolubility of pollutant difficult water-soluble in soil for adding medicament, the pouring being convenient to pollutant goes out.
2. as claimed in claim 1 for the integration unit of contaminated soil remediation and revegetation, it is characterized in that, the leached layer bottom of described washing water passage is skewed, its gradient is 15 ° ~ 25 °, be convenient to collecting of moisture, be respectively equipped with in two-phase counter-slope angle metalling convergence place i.e. drainpipe junction the pvc membrane filtration net that aperture is 1 ~ 2mm simultaneously, as one-level moisture filter, prevent rear line clogging.
3. as claimed in claim 1 for the integration unit of contaminated soil remediation and revegetation; it is characterized in that; described drainage channel; start between two screen packs; for the dual damascene porous pipe of diameter 315mm ~ 500mm; drainpipe does not fill up the black wood charcoal that position is 5mm--10mm by specification and compresses the filling of polymerization sphere; support protective effect can be played to drainpipe; have initial absorption to the organic pollution etc. in washing water, black wood charcoal compression polymerization ball packing is located at end and can be changed under the prerequisite not destroying whole flow process simultaneously.
4., as claimed in claim 1 for the integration unit of contaminated soil remediation and revegetation, it is characterized in that, in described sewage diposal area, drug-throwing chamber mesospore is provided with high and low water alarm, and when water level is too low, water pump stops pumping.
5. as claimed in claim 1 for the integration unit of contaminated soil remediation and revegetation, it is characterized in that, in described sewage diposal area, flocculation sedimentation tank bottom is stepped, which is provided with a dismountable flexible base plate, the anaerobe that substrate is arranged containing with good grounds sewage composition and culture medium thereof and fibrous activated carbon; Be provided with mud discharging mouth at the right end of flocculation sedimentation tank simultaneously, be convenient to discharge and the recovery of mud.
6., as claimed in claim 1 for the integration unit of contaminated soil remediation and revegetation, it is characterized in that, be connected by pump between drug-throwing chamber with flocculation sediment room in described sewage diposal area; Flocculation sediment room and clear water are recycled between pond and are connected by manually operated door, and manually operated door position exceeds 20 ~ 30cm than flocculation sedimentation tank bottom.
7. fix for contaminated soil (organic and inorganic) original position plant, extract and moisture collection, purification and re-use device after moisture drip washing as claimed in claim 1, it is characterized in that, in described sewage diposal area, clear water recycles pond 20 ~ 30cm darker in flocculation sedimentation tank.
8. fix for contaminated soil (organic and inorganic) original position plant, extract and moisture collection, purification and re-use device after moisture drip washing as claimed in claim 1, it is characterized in that, described filter, after flocculation sediment, the secondary filter of still solvable pollutant, by two filters, (filter membrane and screen pack form; Filter membrane can select NF membrane, microfiltration membranes etc. according to pollutant situation), two triple valves, Pressure gauges composition, when pressure tabular value exceeds limit value, can manual adjustments triple valve, thus when making replacing filter, do not affect whole flow process and effluent quality.
9. fix for contaminated soil (organic and inorganic) original position plant, extract and moisture collection, purification and re-use device after moisture drip washing as claimed in claim 1, it is characterized in that, described clean water is recharged pipe end and is provided with venturi balling iron, medicament can be added according to actual conditions, improve the dissolubility of difficult water-soluble pollutant in soil, the pouring being convenient to pollutant goes out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310432975.7A CN104438299B (en) | 2013-09-23 | 2013-09-23 | It is a kind of to be used for contaminated soil remediation and the integration unit of revegetation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310432975.7A CN104438299B (en) | 2013-09-23 | 2013-09-23 | It is a kind of to be used for contaminated soil remediation and the integration unit of revegetation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104438299A true CN104438299A (en) | 2015-03-25 |
| CN104438299B CN104438299B (en) | 2018-01-02 |
Family
ID=52885492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310432975.7A Active CN104438299B (en) | 2013-09-23 | 2013-09-23 | It is a kind of to be used for contaminated soil remediation and the integration unit of revegetation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104438299B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521990A (en) * | 2016-01-28 | 2016-04-27 | 浙江博世华环保科技有限公司 | In-situ remediation system and remediation method for organic pollution site of light non-aqueous phase liquids (LNAPLs) |
| CN105537265A (en) * | 2016-03-11 | 2016-05-04 | 安徽工程大学 | Heavy metal contaminated soil remediation method and system with water hyacinths |
| CN105750318A (en) * | 2016-05-05 | 2016-07-13 | 长江水利委员会长江科学院 | Device and method for removing heavy metals in soil |
| CN106269833A (en) * | 2016-09-18 | 2017-01-04 | 浙江华展工程研究设计院有限公司 | A kind of dialysis apparatus administering soil pollution |
| CN106734150A (en) * | 2017-03-07 | 2017-05-31 | 广西博世科环保科技股份有限公司 | A kind of cycling elution system administered for farmland pollution soil remediation |
| CN106734139A (en) * | 2016-11-18 | 2017-05-31 | 张成晶 | Soil remediation method and its system |
| CN107869183A (en) * | 2017-11-30 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Concave herbaceous field structure |
| CN107913903A (en) * | 2017-10-26 | 2018-04-17 | 深圳市铁汉生态环境股份有限公司 | A kind of heavy-metal contaminated soil restorative procedure and device |
| CN108746174A (en) * | 2018-06-08 | 2018-11-06 | 广西博世科环保科技股份有限公司 | A kind of ecological elution circuit administered for heavy-metal contaminated soil or slag |
| CN109111021A (en) * | 2018-08-22 | 2019-01-01 | 苏州三体智能科技有限公司 | A kind of soil repair system and its restorative procedure |
| CN111282978A (en) * | 2020-02-11 | 2020-06-16 | 辽宁工程技术大学 | Soil organic pollutant purification treatment system |
| CN111903269A (en) * | 2020-08-17 | 2020-11-10 | 盐城工学院 | A drainage desalination system for saline and alkaline land improvement |
| CN112897804A (en) * | 2021-01-18 | 2021-06-04 | 郭玥 | Prevent blockking up ecological soil sewage treatment plant |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769961A (en) * | 1995-05-16 | 1998-06-23 | The University Of Chicago | Remediation of arsenic-contaminated soils and groundwaters |
| JP2003300054A (en) * | 2002-04-08 | 2003-10-21 | Shimizu Corp | Mechanism for decontaminating rifle range |
| US20050058512A1 (en) * | 2003-05-06 | 2005-03-17 | Looney Brian B. | In-situ generation of oxygen-releasing metal peroxides |
| CN2741969Y (en) * | 2004-10-26 | 2005-11-23 | 苏州科技学院 | Ouasi aerobic biological reaction bed |
| CN1810397A (en) * | 2006-02-21 | 2006-08-02 | 天津市大钧科技开发有限公司 | Technology of repairing chromium contaminated soil |
| CN101085450A (en) * | 2006-06-06 | 2007-12-12 | 中国科学院沈阳应用生态研究所 | Method for treating heavy metal polluted soil |
| CN101283656A (en) * | 2008-06-11 | 2008-10-15 | 沧州市农林科学院 | Shallow water level double salt-affected soil raw soil planting and greening method |
| CN101336593A (en) * | 2008-08-08 | 2009-01-07 | 高雅琦 | Method for constructing ecology garden landscape compound structures to improve salt-affected soil |
| CN101708501A (en) * | 2009-12-02 | 2010-05-19 | 中国环境科学研究院 | Two-stage countercurrent washing medicament addition stabilization combined restoration method of chromium polluted soil |
| CN102615098A (en) * | 2012-03-26 | 2012-08-01 | 中南大学 | Method for repairing cadmium-lead composite polluted calcareous soil |
| CN102652956A (en) * | 2012-04-19 | 2012-09-05 | 中国环境科学研究院 | Chromium pollution soil in-situ leaching treatment method |
| CN102744249A (en) * | 2012-07-04 | 2012-10-24 | 中国地质大学（武汉） | Method for controlling pollution to underground water and restoring soil in aeration zone in contaminated site |
| JP2012236136A (en) * | 2011-05-11 | 2012-12-06 | Taisei Corp | Method of suppressing elution of heavy metal and/or organic halide contained in sludge and/or soil |
| CN203061547U (en) * | 2013-01-25 | 2013-07-17 | 北京中地泓科环境科技有限公司 | Comprehensive repair system for groundwater chromium pollution fields |
-
2013
- 2013-09-23 CN CN201310432975.7A patent/CN104438299B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5769961A (en) * | 1995-05-16 | 1998-06-23 | The University Of Chicago | Remediation of arsenic-contaminated soils and groundwaters |
| JP2003300054A (en) * | 2002-04-08 | 2003-10-21 | Shimizu Corp | Mechanism for decontaminating rifle range |
| US20050058512A1 (en) * | 2003-05-06 | 2005-03-17 | Looney Brian B. | In-situ generation of oxygen-releasing metal peroxides |
| CN2741969Y (en) * | 2004-10-26 | 2005-11-23 | 苏州科技学院 | Ouasi aerobic biological reaction bed |
| CN1810397A (en) * | 2006-02-21 | 2006-08-02 | 天津市大钧科技开发有限公司 | Technology of repairing chromium contaminated soil |
| CN101085450A (en) * | 2006-06-06 | 2007-12-12 | 中国科学院沈阳应用生态研究所 | Method for treating heavy metal polluted soil |
| CN101283656A (en) * | 2008-06-11 | 2008-10-15 | 沧州市农林科学院 | Shallow water level double salt-affected soil raw soil planting and greening method |
| CN101336593A (en) * | 2008-08-08 | 2009-01-07 | 高雅琦 | Method for constructing ecology garden landscape compound structures to improve salt-affected soil |
| CN101708501A (en) * | 2009-12-02 | 2010-05-19 | 中国环境科学研究院 | Two-stage countercurrent washing medicament addition stabilization combined restoration method of chromium polluted soil |
| JP2012236136A (en) * | 2011-05-11 | 2012-12-06 | Taisei Corp | Method of suppressing elution of heavy metal and/or organic halide contained in sludge and/or soil |
| CN102615098A (en) * | 2012-03-26 | 2012-08-01 | 中南大学 | Method for repairing cadmium-lead composite polluted calcareous soil |
| CN102652956A (en) * | 2012-04-19 | 2012-09-05 | 中国环境科学研究院 | Chromium pollution soil in-situ leaching treatment method |
| CN102744249A (en) * | 2012-07-04 | 2012-10-24 | 中国地质大学（武汉） | Method for controlling pollution to underground water and restoring soil in aeration zone in contaminated site |
| CN203061547U (en) * | 2013-01-25 | 2013-07-17 | 北京中地泓科环境科技有限公司 | Comprehensive repair system for groundwater chromium pollution fields |
Non-Patent Citations (2)
| Title |
|---|
| 《北京市市政工程设计研究总院志》编委会: "《北京市市政工程设计研究总院志》", 31 January 1999, 中国科学技术出版社 * |
| 北京市水科学技术研究院: "《北京水问题研究与实践》", 31 July 2013, 中国水利水电出版社 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521990A (en) * | 2016-01-28 | 2016-04-27 | 浙江博世华环保科技有限公司 | In-situ remediation system and remediation method for organic pollution site of light non-aqueous phase liquids (LNAPLs) |
| CN105521990B (en) * | 2016-01-28 | 2018-12-25 | 浙江博世华环保科技有限公司 | The in-situ remediation system and restorative procedure in a kind of LNAPLs organic contamination place |
| CN105537265B (en) * | 2016-03-11 | 2018-08-24 | 安徽工程大学 | A kind of the water hyacinth restorative procedure and repair system of heavy-metal contaminated soil |
| CN105537265A (en) * | 2016-03-11 | 2016-05-04 | 安徽工程大学 | Heavy metal contaminated soil remediation method and system with water hyacinths |
| CN105750318A (en) * | 2016-05-05 | 2016-07-13 | 长江水利委员会长江科学院 | Device and method for removing heavy metals in soil |
| CN106269833A (en) * | 2016-09-18 | 2017-01-04 | 浙江华展工程研究设计院有限公司 | A kind of dialysis apparatus administering soil pollution |
| CN106269833B (en) * | 2016-09-18 | 2024-01-05 | 浙江华展研究设计院股份有限公司 | Dialysis device for treating soil pollution |
| CN106734139A (en) * | 2016-11-18 | 2017-05-31 | 张成晶 | Soil remediation method and its system |
| CN106734150A (en) * | 2017-03-07 | 2017-05-31 | 广西博世科环保科技股份有限公司 | A kind of cycling elution system administered for farmland pollution soil remediation |
| CN107913903A (en) * | 2017-10-26 | 2018-04-17 | 深圳市铁汉生态环境股份有限公司 | A kind of heavy-metal contaminated soil restorative procedure and device |
| CN107869183A (en) * | 2017-11-30 | 2018-04-03 | 中国电建集团成都勘测设计研究院有限公司 | Concave herbaceous field structure |
| CN108746174A (en) * | 2018-06-08 | 2018-11-06 | 广西博世科环保科技股份有限公司 | A kind of ecological elution circuit administered for heavy-metal contaminated soil or slag |
| CN109111021A (en) * | 2018-08-22 | 2019-01-01 | 苏州三体智能科技有限公司 | A kind of soil repair system and its restorative procedure |
| CN111282978A (en) * | 2020-02-11 | 2020-06-16 | 辽宁工程技术大学 | Soil organic pollutant purification treatment system |
| CN111903269A (en) * | 2020-08-17 | 2020-11-10 | 盐城工学院 | A drainage desalination system for saline and alkaline land improvement |
| CN111903269B (en) * | 2020-08-17 | 2022-07-19 | 盐城工学院 | A drainage desalination system for saline and alkaline land improvement |
| CN112897804A (en) * | 2021-01-18 | 2021-06-04 | 郭玥 | Prevent blockking up ecological soil sewage treatment plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104438299B (en) | 2018-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104438299B (en) | It is a kind of to be used for contaminated soil remediation and the integration unit of revegetation | |
| CN204018363U (en) | A kind of integration unit for contaminated soil reparation and revegetation | |
| CN105130055B (en) | Rainwater-collecting purified treatment reclaiming system | |
| CN107100261A (en) | A kind of novel rainwater is detained filtration system | |
| CN104174191B (en) | Integral grit chamber for treating rainwater and treating method | |
| US9487421B2 (en) | Modular high performance bioswale and water treatment system and method | |
| CN207211336U (en) | A kind of novel rainwater is detained filtration system | |
| CN103953095B (en) | Integrated rainwater collecting utilizes system and method | |
| CN104193095B (en) | The method of stagewise comprehensive control city river sewage | |
| CN105863018A (en) | Rainwater collection and utilization system | |
| CN107117712A (en) | A kind of artificial wet land system for purifying the roof rain water containing laundrywastes | |
| KR101202677B1 (en) | A purification apparatus of rainwater or water in reserve | |
| CN207175694U (en) | Sump mud cleaning treatment system | |
| CN211052140U (en) | High-water-content domestic garbage landfill leachate in-situ ex-situ position treatment device | |
| CN203834561U (en) | Integrated rainwater collection and utilization system | |
| CN202156973U (en) | Reusing system for recycled water | |
| CN211770637U (en) | Groundwater pollution's prosthetic devices | |
| CN107840546A (en) | The artificial marsh sewage treatment system of complex vertical unsaturated flow and vertical baffling | |
| AU2013211501A1 (en) | Water treatment method & system | |
| CN203635613U (en) | Ectopic leaching device for heavy metal contaminated soil | |
| NZ565844A (en) | Stormwater collection and underground storage and treatment using aerobic bacteria and settlement of particulates in a near hoizontal stream | |
| CN102515422B (en) | Comprehensive treatment device for highway runoff pollution of water resource protection area | |
| CN107176748A (en) | A kind of anaerobism, aerobic multistage wet field facilities for treating sewage | |
| CN111960619A (en) | Purify ecological treatment system of sewage | |
| CN202415323U (en) | Highway runoff pollution comprehensive treatment device for water resource protection area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |