CN104759457B - The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired - Google Patents
The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired Download PDFInfo
- Publication number
- CN104759457B CN104759457B CN201510156676.4A CN201510156676A CN104759457B CN 104759457 B CN104759457 B CN 104759457B CN 201510156676 A CN201510156676 A CN 201510156676A CN 104759457 B CN104759457 B CN 104759457B
- Authority
- CN
- China
- Prior art keywords
- soil
- film
- heap body
- geotextiles
- wall
- 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.)
- Active
Links
Abstract
The dystopy reaction system and the method for arranging of the system repaired the present invention relates to a kind of chromium-polluted soil, chromium-polluted soil heap in reaction tank is set to soil heap body, reaction tank includes pond body and the retaining wall being trapped among around pond body, the bottom surface of pond body and side wall are covered with bentonite pad, upper berth antiseepage film and geotextiles;The tail end of antiseepage film and geotextiles is from outside embedment retaining wall;The supplement pipe network that medicament and moisture are repaired for feeding also is equipped with reaction tank, the upper surface of soil heap body is covered with covering film, cover film and completely cover the capping system that the formation of soil heap body prevents air from directly being contacted with soil heap body, contaminated soil is carried out on this system banks up reaction.When environment temperature is high, moisture gradually evaporates upwards from heap body bottom, when temperature is low, Water vapor condensation, is migrated downward into again from heap body top, so that the Water, steam circulation formed in enclosed environment, strengthens reaction effect, and method for arranging is simple, and technical requirements are low.
Description
Technical field
The present invention relates to technical field of soil remediation, the dystopy reaction system that more particularly to a kind of chromium-polluted soil is repaired
Method for arranging.
Background technology
Cr VI is a kind of typical heavy metal contaminants, with the features such as toxicity is big, migration is strong, to local environment and
Health causes grave danger.In relevant environment protective plan, Cr VI be listed in pay close attention to heavy metal contaminants it
One, it is following to carry out extensive hexavalent chromium polluted repair.Currently, use showering hexavalent chromium polluted reparation more.In the past
In repair process, soil is dug out after earth's surface clearly mostly, is transported in specific structures or reactor and handles.Structures are general
For concrete structure, it is necessary to take larger place space, infrastructure construction cycle length, cost are high, are unfavorable for some medium and small
Type project is used, in equipment running process, produces a large amount of energy consumptions, after the completion of reparation, and reactor or structures need to remove, time-consuming
Laborious and cost is high;The disposal ability of reactor is limited, extends the duration, inconvenience is used on medium-sized, mega project.
In addition, the reactant mixture in reactor or structures is directly contacted with air, it is oxidation environment, is not suitable for
Anaerobism repairs such as chromium-polluted soil reparation, and reduction stabilisation efficiency is low, and the dust containing chromium pollutant is directly spilt into air,
Air quality is caused to decline, or even harm surrounding sensitive receptors.Therefore, to prevent secondary pollution, chromium-polluted soil reparation
During need strictly avoid rehabilitating soil with the external world soil contact, it is necessary to a kind of special dystopy reaction system and the system
Method for arranging.
The content of the invention
Present invention aims at the method for arranging for providing the dystopy reaction system that a kind of chromium-polluted soil is repaired, solve existing
Concrete structures used in soil repair system need to take larger place space, infrastructure construction cycle length, cost
It is high, be unfavorable for some middle-size and small-size projects use and a large amount of energy consumptions produced in equipment running process, repair after the completion of need to remove, expense
When laborious and high cost technical problem, and the disposal ability of reactor is limited, long in time limit, inconvenient on medium-sized mega project
The problem of using;Also solve structures blow-by, carry out soil remediation when, the dust containing harmful pollutant it is straight
Connect and spill into air, the problem of causing air quality to decline or even endanger surrounding sensitive receptors.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that:
The dystopy reaction system that a kind of chromium-polluted soil is repaired, including reaction tank and the soil heap being stacked in reaction tank
Body, it is characterised in that:The reaction tank includes pond body and the retaining wall being trapped among around pond body, the bottom surface of the pond body and side wall paving
Have and lay one layer of antiseepage film and one layer of geotextiles on bentonite pad, the bentonite pad successively;The antiseepage film and geotextiles
Edge stretches out pond body and from the foot of a wall of retaining wall through retaining wall outside, and tail end is fixed from outside embedment retaining wall;It is described anti-
Also be equipped with the supplement pipe network that medicament and moisture are repaired for feeding in Ying Chi, the upper surface of soil heap body covered with covering film,
The edge for covering film is fixed from interior survey embedment retaining wall, completely covers the formation of soil heap body and prevents air and soil heap body
The capping system directly contacted.
It is preferred that, the antiseepage film is density polyethylene film with high, and the geotextiles are non-woven geotextile or have antiseepage concurrently
With the composite geotextile material of defencive function.
Further, the film that covers is polychloroethylene film, polyethylene film, polypropylene screen or polystyrene film.
Further, the supplement pipe network includes two layers, and one layer of upper surface for being close to soil heap body is set, and another layer is embedded in
Inside soil heap body.
Further, the side wall of the pond body is slope.
Further, the retaining wall is pressed in wall on geotextiles for lid, is cement wall, cob wall or with standard brick, powder
The brick wall that coal-dust brick or colliery wastes brick are built by laying bricks or stones.
Further, a height of 1~5 m of the heap of the soil heap body, heap body Slope ratio is 1:1~1:3.
The present invention also provides a kind of method for arranging for the dystopy reaction system that above-mentioned chromium-polluted soil is repaired, and its feature exists
In comprising the following steps:
Step 1: determining that contaminated soil is measured with repairing total side of medicament;
Step 2: calculating soil heap body size:According to the actual total side's amount of the contaminated soil calculated, reaction tank bottom is determined
Length, bottom width, top length, top width size, and it is high that the heap of soil heap body is calculated as follows:
(1)
V represents the volume of soil heap body in formula, and the heap that H represents soil heap body is high, S1Represent the bottom surface face of soil heap body
Product, S2Represent the upper bottom surface area of soil heap body;
Step 3: pond body is constructed:Pond body is built by the length size of reaction tank;
Step 4: setting basal layer:The bottom surface of pond body is removed into the debris such as tree root, stone, simple compacting, without sagging without slope
Degree, basis of formation layer;
Step 5: setting bentonite pad, antiseepage film and geotextiles:Bentonite pad is laid on basal layer, bentonite pad is same
When covering pond body bottom surface and side wall, antiseepage film is layed in above bentonite pad, then geotextiles are laid in antiseepage film again, prevented
Film and geotextiles are oozed in addition to the bottom surface of covering pond body and side wall, and should outwards be extended 0.3~0.5 m by pond body foundation ditch border;
Step 6: banking up soil heap body:Soil is banked up naturally by design heap height and grade of side slope, forms soil heap body;
Step 7: laying supplement pipe network:Correct position in the upper surface of soil heap body lays the supplement of medicament and moisture
Pipe network, keeps the skin wet and repairs medicament for the follow-up heap body that is continuously, strengthen repairing effect;
Film is covered Step 8: setting:Covering covers film at the top of soil heap body, completely covers whole soil heap body, and outside film
Edge should exceed the m of excavation pit border 0.3~0.5;
Step 9: setting retaining wall:By design size retaining wall is built around heap body;
Step 10: arrangement monitoring site:Monitoring site is marked on film is covered, soil remediation lasts are monitored, matched somebody with somebody
The supplement pipe network of medicament and moisture is closed, reaction condition is adjusted, it is ensured that reach reparation target call.
In the step 9, the retaining wall is preferably brick wall, and it is pressed in antiseepage film, and the edge of antiseepage film stretches out pond body
And from the foot of a wall of retaining wall through on the outside of retaining wall, standard brick vertical stacks body length direction is piled up, individual layer standard brick is piled up finish after, will
The edge of antiseepage film is embedded to from outside, uniform in antiseepage film to smear cement, then piles up one layer of standard brick, natural air drying.
Compared with prior art, the technical advantages of the present invention are that:
1st, enclosed environment high treating effect, effectively prevents secondary pollution:Pond body is closed construction, it is to avoid pond body internal environment
Contact with ambient atmosphere, ensures that reduction stabilizes environment, makes reaction effect more preferable to greatest extent.In course of reaction, moisture
In heap body-internal-circulation, soil moisture content is kept.Airborne dust effectively is prevented, substantial amounts of production waste gas is not produced, diafiltration is not produced
Liquid, it is to avoid secondary pollution, safe and clean, environmental benefit is obvious.
2nd, system architecture is simple, and easy construction effectively reduces rehabilitation cost:Density polyethylene film with high that the present invention is used,
Geotextiles, bentonite pad, to cover film etc. be common material in civil engineering, wide material sources, cheap, can be purchased nearby
Buy, it is to avoid construction period is effectively shortened in influence construction speed, easy construction;It is fast that reaction tank builds speed, do not influence to construct into
Degree, single reaction tank treating capacity is big and can reuse, after contaminated soil is mixed with medicament, in reduction stabilization reactions pond
Bank up, it is not necessary to energy consumption, after the completion of soil remediation, salvage material, fill and lead up and compacting soil, reduce rehabilitation cost.
3rd, applied widely, applicability is strong:Safety and stability, reaction tank flexible structure can be according to place size and place
Reason scale adjusts length size, and the scope of application is wider, and the treating capacity of reaction tank is big, has extensive adaptability to repairing medicament,
Rehabilitation cost is low, short construction period, and engineering applicability is strong;
To sum up, the present invention repairs industry relevant criterion according to national contaminated site, devises a kind of chromium-polluted soil dystopy
Reaction system is repaired, contaminated soil mixing, moisturizing, the overall process of reaction, and simple in construction, easy construction is not only performed,
Short construction period, cost are low, can reuse, while the characteristics of having antiseepage, cover, seal, adjusting, monitoring in real time, tool
There is preferable application prospect.
Brief description of the drawings
Fig. 1 is the structural representation for the original place dystopy reaction system that chromium-polluted soil of the present invention is repaired;
Fig. 2 is the work that the original place dystopy reaction system repaired using chromium-polluted soil of the present invention carries out soil remediation
Skill flow chart.
Reference:It is swollen that 1- covers film, 2- soil heaps body, 3- non-woven geotextiles, 4- high density polyethylene (HDPE)s antiseepage film, 5-
The native pad of profit, 6- basal layers, 7- soil monitorings site, 8- supplements pipe network, 9- retaining walls.
Embodiment
Present invention is made further explanation and description below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention relates to the dystopy reaction system that a kind of chromium-polluted soil is repaired, including reaction tank and bank up
In the soil heap body 2 in reaction tank, it is characterised in that:The reaction tank includes the retaining wall 9 around pond body and pond body, the pond
The bottom surface of body and side wall are covered with bentonite pad 5, and the bentonite pad upper berth sets antiseepage film 4 and geotextiles 3;The antiseepage film and soil
The edge of work cloth stretches out pond body and from the foot of a wall of retaining wall through the outside of retaining wall 9, and tail end is solid from outside embedment retaining wall 9
It is fixed;The supplement pipe network 8 that medicament and moisture are repaired for feeding also is equipped with the reaction tank, the upper surface of soil heap body 2 is covered
It is stamped and covers film 1, it is described to cover film 1 complete to cover the closing that the formation of soil heap body prevents air from directly being contacted with soil heap body anti-
Answer system.
The antiseepage film is density polyethylene film with high, and geotextiles are non-woven geotextile.The film 1 that covers can be polychlorostyrene
Vinyl film, polyethylene film, polypropylene screen or polystyrene film.The supplement pipe network 8 includes two layers, and one layer in soil heap body 2
Top, another layer is in the centre position of soil heap body 2.The side wall of the pond body is slope.The heap a height of 1 of the soil heap body 2
~5 m, heap body grade of side slope is 1:1~1:3.
Such as Fig. 2, the present invention also provides a kind of method for arranging for the dystopy reaction system that above-mentioned chromium-polluted soil is repaired, its
It is characterised by, comprises the following steps:
Measured Step 1: calculating contaminated soil with repairing total side of medicament:Under general condition, repair medicament have solid chemicals and
Two kinds of liquid preparation, after solid chemicals are mixed with contaminated soil, makes soil always just measure substantially increase, increase ratio is generally 0%-
Between 25%.And after liquid preparation is mixed with contaminated soil, be filled into soil aperture, soil texture is destroyed, caved in, because
This, liquid preparation makes contaminated soil, and always just amount is reduced, and reduction ratio is generally 0%-20%.
Step 2: calculating the size of soil heap body:According to the actual total side's amount of the contaminated soil calculated, design reaction tank bottom
Length, bottom width, top length, top width size, and heap body heap height is calculated as follows, high general 1~5 m of heap, heap body Slope compares 1:1~1:
Between 3;
(1)
V represents the volume of soil heap body in formula, and the heap that H represents soil heap body is high, S1Represent the bottom surface face of soil heap body
Product, S2Represent the upper bottom surface area of soil heap body;
Step 3: pond body is constructed:Pond body is built by the pond body length size of design, tree root, stone on pool wall is removed
The debris such as block, simple compacting makes pool wall not cave in or soil whereabouts;
Step 4: setting basal layer:Formed after supporting surface, remove the debris such as tree root, stone, simple compacting makes basal layer
Without sinking, basal layer is without the gradient.Basal layer can be directly compacted, can also place mat sand, gravel, or directly on smooth ground
Build layer based on hardened layer.Bentonite pad, covering bottom surface and side wall are laid on basal layer.
Step 5: setting antiseepage film:Antiseepage film is layed in above bentonite pad, is HDPE film, the mm of thickness 0.5~3.0,
Antiseepage coefficient is less than 1.0*10-7Geotextiles are laid on cm/s, HDPE film, quality selects 600~800 g/cm2, HDPE film and soil
Work cloth should lay it is smooth, except cover basal layer in addition to, should by foundation ditch border outwards extend 0.3~0.5 m.Or it is directly anti-using having concurrently
The composite geo-membrane of protective effect is blended, according to design parameter manufacture respective material, the composite geo-membrane of thickness.
Step 6: banking up soil heap body 2:The soil of repairing medicament will be mixed to be transported in reaction tank in batches, by setting
The heap body size of meter, stacks soil, most soil banks up body in heaps at last along pond body length direction rule.Used certainly during banking up
The mode of right mound, increases soil porosity, and convenient follow-up supplement repairs medicament and moisture, moisture is formed in heap body
Circulation, is conducive to reaction to carry out.
Step 7: the supplement pipe network 8 of laying medicament and moisture:During soil heap body is banked up, in soil heap body upper surface
Correct position laying medicament and moisture supplement pipe network, can subsequently be continuously heap body keep the skin wet, liquid preparation, reinforcing repaiies
The supplement pipe network of multiple effect, medicament and moisture lays one layer at the top of soil heap body, in one layer of soil heap body laid inside, typically
Heap body centre position is laid on, laying spacing is designed according to true reactor body size, generally 0.2~1.0 m.
Film 1 is covered Step 8: setting:Covering covers film 1 at the top of soil heap body, and 0.075~0.11mm of thickness is completely covered
Whole soil heap body, is extended to behind ground, and film outer should exceed the m of excavation pit border 0.3~0.5, covers tight, reduction heap
Vivo environment is exchanged with ambient atmosphere, maintains reducing environment.
Step 9: setting retaining wall 9:Using standard brick and cement, retaining wall, standard brick are built around heap body by design size
Size is 240 mm*115 mm*53 mm, and the retaining wall 9 is pressed in antiseepage film, and the edge of antiseepage film stretches out pond body and from gear
The foot of a wall of cob wall is piled up through the outside of retaining wall 9, standard brick vertical stacks body length direction, individual layer standard brick is piled up finish after, by antiseepage
The edge of film is embedded to from outside, and the edge for covering film 1 is embedded to from interior survey, the uniform smearing cement in antiseepage film, the mm of thickness 4,
One layer of standard brick is piled up again, can increase the standard brick number of plies according to the actual requirements, and it is identical to pile up method, natural air drying after the completion of piling up.
The standard brick of retaining wall can be replaced by hollow brick, porous brick, flyash brick or other have the material for building function by laying bricks or stones.
Step 10: the arrangement of soil monitoring point position 7:After the completion of heap body is banked up, soil monitoring point position is marked on LDPE films
7, soil remediation lasts are monitored, the supplement pipe network of medicament for matching and moisture adjusts reaction condition, it is ensured that reach reparation mesh
Mark is required.
The reaction tank of the present invention is directed to hexavalent chromium polluted soil remediation, the bentonite pad used, density polyethylene film with high, non-
Weave geotextiles, cover film without uniqueness, row those skilled in the art are used by changing according to architectural feature of the invention
The reaction tank of material formation, is such as replaced by GCL by density polyethylene film with high or prevents blending protective effect using having concurrently
Composite geo-membrane, cover that film is replaced by that polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins are made is thin
Film, standard brick changes hollow brick, porous brick, flyash brick into or other has the material for building function by laying bricks or stones to should be regarded as becoming a kind of of the present invention
It is logical;The structure of the present invention includes support, antiseepage, covers, retaining wall, supplements pipe network, monitoring point etc., is used as the core knot of reaction tank
Technical staff in structure, industry by addition, reduce or change part-structure but the similar reaction tank of agent structure, should be regarded as pair
One kind of the present invention is flexible;The present invention directly applies to hexavalent chromium polluted soil remediation, but to other species heavy metals, eka-gold
Category, petroleum hydrocarbon, semi-volatile organic matter etc. are equally applicable.
Claims (6)
1. a kind of method for arranging for the dystopy reaction system that chromium-polluted soil is repaired, the dystopy reaction that the chromium-polluted soil is repaired
System includes reaction tank and the soil heap body being stacked in reaction tank(2), it is characterised in that:The reaction tank includes pond body and enclosed
Retaining wall around pond body(9), the bottom surface of the pond body and side wall are covered with bentonite pad(5), on the bentonite pad successively
Lay one layer of antiseepage film(4)With one layer of geotextiles(3);The antiseepage film(4)And geotextiles(3)Edge stretch out pond body and from gear
The foot of a wall of cob wall is through retaining wall outside, and tail end is fixed in embedment retaining wall on the outside of retaining wall;The soil heap body(2)It is upper
Surface is covered with covering film(1), it is described to cover film(1)Edge from inner side be embedded to retaining wall(9)Middle fixation, completely covers soil
The formation of heap body prevents air and soil heap body(2)The capping system directly contacted;The soil heap body(2)On be equipped with use
The supplement pipe network of medicament and moisture is repaired in supply(8);The antiseepage film(4)For density polyethylene film with high, the geotextiles(3)
For non-woven geotextile or have the anti-composite geotextile material for blending defencive function concurrently;It is described to cover film(1)For polychloroethylene film, low
Density polyethylene film, polypropylene screen or polystyrene film;Method for arranging comprises the following steps:
Step 1: determining that contaminated soil is measured with repairing total side of medicament;
Step 2: calculating soil heap body size:According to the actual total side's amount of the contaminated soil calculated, reaction tank bottom length, bottom are determined
Wide, top is long, top width size, and it is high that the heap of soil heap body is calculated as follows:
(1)
V represents the volume of soil heap body in formula, and the heap that H represents soil heap body is high, S1Represent the bottom surface area of soil heap body, S2
Represent the upper bottom surface area of soil heap body;
Step 3: pond body is constructed:Pond body is built by the length size of reaction tank;
Step 4: setting basal layer(6):The bottom surface of pond body is removed into the debris such as tree root, stone, simple compacting, without sagging without slope
Degree, basis of formation layer(6);
Step 5: setting bentonite pad(5), antiseepage film(4)And geotextiles(3):In basal layer(6)Upper laying bentonite pad(5),
Bentonite pad(5)Bottom surface and the side wall of pond body are covered simultaneously, by antiseepage film(4)It is layed in bentonite pad(5)Top, then anti-
Ooze film(4)Upper laying geotextiles(3), antiseepage film and geotextiles, should be by pond body foundation ditch sides in addition to the bottom surface of covering pond body and side wall
Outwards extend 0.3~0.5 m on boundary;
Step 6: banking up soil heap body(2):Soil is banked up naturally by design heap height and grade of side slope, forms soil heap body;
Step 7: laying supplement pipe network(8):Correct position laying medicament and moisture in the upper surface of soil heap body and inside
Pipe network is supplemented, keeps the skin wet and repairs medicament for the follow-up heap body that is continuously, strengthen repairing effect;
Film is covered Step 8: setting(1):Covering covers film at the top of soil heap body(1), completely cover whole soil heap body, and film
Outer should exceed the m of excavation pit border 0.3~0.5;
Step 9: setting retaining wall(9):By design size retaining wall is built around heap body(9);
Step 10: arrangement monitoring site:Covering film(1)Soil remediation lasts are monitored by upper mark monitoring site, are coordinated
The supplement pipe network of medicament and moisture, adjusts reaction condition, it is ensured that reach reparation target call.
2. the method for arranging for the dystopy reaction system that a kind of chromium-polluted soil according to claim 1 is repaired, its feature exists
In, in the step 9, the retaining wall(9)For brick wall, it is pressed in geotextiles, and the edge of antiseepage film and geotextiles stretches out pond
Body and from the foot of a wall of retaining wall through retaining wall(9)Outside, standard brick vertical stacks body length direction is piled up, and individual layer standard brick, which is piled up, to be finished
Afterwards, the edge of antiseepage film and geotextiles is embedded to from outside, it is uniform in antiseepage film to smear cement, then one layer of standard brick is piled up, from
So air-dry.
3. the method for arranging for the dystopy reaction system that a kind of chromium-polluted soil according to claim 1 is repaired, its feature exists
In:The supplement pipe network(8)Including two layers, one layer is close to soil heap body(2)Upper surface set, another layer is embedded in soil heap body
(2)It is internal.
4. the method for arranging for the dystopy reaction system that a kind of chromium-polluted soil according to claim 1 is repaired, its feature exists
In:The side cornice of the pond body of the reaction tank has slope.
5. the method for arranging for the dystopy reaction system that a kind of chromium-polluted soil according to claim 1 is repaired, its feature exists
In:The retaining wall(9)Wall on geotextiles is pressed in for lid, is cement wall, cob wall or with standard brick, flyash brick or bastard coal
The brick brick wall built up of stone.
6. the method for arranging for the dystopy reaction system that a kind of chromium-polluted soil according to claim 1 is repaired, its feature exists
In:The soil heap body(2)A height of 1~5 m of heap, the Slope ratio of heap body is 1:1~1:3.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510156676.4A CN104759457B (en) | 2015-04-03 | 2015-04-03 | The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510156676.4A CN104759457B (en) | 2015-04-03 | 2015-04-03 | The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104759457A CN104759457A (en) | 2015-07-08 |
CN104759457B true CN104759457B (en) | 2017-07-25 |
Family
ID=53641736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510156676.4A Active CN104759457B (en) | 2015-04-03 | 2015-04-03 | The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104759457B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105665436B (en) * | 2016-03-18 | 2018-05-18 | 济南大学 | A kind of method of resource of hexavalent chromium polluted soil |
CN106345801A (en) * | 2016-11-18 | 2017-01-25 | 北京高能时代环境技术股份有限公司 | Dump leaching restoration system and restoration process of chromium pollution soil |
CN106694534A (en) * | 2017-01-13 | 2017-05-24 | 上格环境科技(上海)有限公司 | Organic bank-soil leaching system for repairing heavy metal and petroleum soil contamination |
CN108372196B (en) * | 2018-02-09 | 2020-05-19 | 广州市怡地环保有限公司 | Heavy metal contaminated soil remediation method |
CN109047322B (en) * | 2018-09-10 | 2020-10-27 | 广东东日环保股份有限公司 | Soil remediation method |
CN109226239A (en) * | 2018-10-14 | 2019-01-18 | 中国计量大学 | A method of chromium-polluted soil is repaired using alkaline coal ash |
CN109518726A (en) * | 2018-11-20 | 2019-03-26 | 大连德联科技有限公司 | A kind of vertical hinge formula quick-assembling enveloping field protective device |
CN109577378A (en) * | 2018-11-20 | 2019-04-05 | 大连德联科技有限公司 | A kind of transverse-plug type quick-assembling stockyard protective device |
CN110523760A (en) * | 2019-09-09 | 2019-12-03 | 上海环境绿色生态修复科技有限公司 | A kind of dystopy soil thermal desorption prosthetic appliance and its restorative procedure |
CN111982210B (en) * | 2020-07-02 | 2021-07-06 | 清华大学 | Drainage pipe network batch monitoring and distribution method for diagnosing rainfall inflow infiltration problem |
CN112570444A (en) * | 2020-11-25 | 2021-03-30 | 北京高能时代环境技术股份有限公司 | Low-temperature heat-enhanced chemical oxidation-microorganism coupling repair system and method for polycyclic aromatic hydrocarbon contaminated soil |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5228804A (en) * | 1992-06-25 | 1993-07-20 | Balch Thomas H | Method and apparatus for hydrocarbon-contaminated soil remediation |
JPH08299945A (en) * | 1995-05-02 | 1996-11-19 | Ohbayashi Corp | Method for purifying contaminated soil |
JP2002219441A (en) * | 2001-01-26 | 2002-08-06 | Matsumoto Tekkosho:Kk | Method for fermenting and treating organic substance and fermenting equipment |
JP2008290924A (en) * | 2007-05-28 | 2008-12-04 | Kyowa Doken:Kk | Composting facility and method of manufacturing compost |
JP2009249554A (en) * | 2008-04-09 | 2009-10-29 | Nihon Kaisui:Kk | Insolubilizing agent for soil contaminated with heavy metal or the like, and insolubilization method for soil using the same |
CN102225420A (en) * | 2011-03-31 | 2011-10-26 | 浙江工商大学 | Method for remedying soil polluted by difficultly degradable chlorinated organics |
CN102319727A (en) * | 2011-06-21 | 2012-01-18 | 北京市环境保护科学研究院 | Ectopic coupled repairing system and method for treating organic compound contaminated soil |
CN102941224A (en) * | 2012-11-13 | 2013-02-27 | 山东腾跃化学危险废物研究处理有限公司 | Method for biologically detoxifying hexavalent chromium in contaminated soil |
CN203370808U (en) * | 2013-07-24 | 2014-01-01 | 江苏麦可博生物环保工程技术有限公司 | Organic bank for repairing contaminated soil |
CN204602791U (en) * | 2015-04-03 | 2015-09-02 | 北京建工环境修复股份有限公司 | The dystopy reaction system that chromium-polluted soil is repaired |
-
2015
- 2015-04-03 CN CN201510156676.4A patent/CN104759457B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5228804A (en) * | 1992-06-25 | 1993-07-20 | Balch Thomas H | Method and apparatus for hydrocarbon-contaminated soil remediation |
JPH08299945A (en) * | 1995-05-02 | 1996-11-19 | Ohbayashi Corp | Method for purifying contaminated soil |
JP2002219441A (en) * | 2001-01-26 | 2002-08-06 | Matsumoto Tekkosho:Kk | Method for fermenting and treating organic substance and fermenting equipment |
JP2008290924A (en) * | 2007-05-28 | 2008-12-04 | Kyowa Doken:Kk | Composting facility and method of manufacturing compost |
JP2009249554A (en) * | 2008-04-09 | 2009-10-29 | Nihon Kaisui:Kk | Insolubilizing agent for soil contaminated with heavy metal or the like, and insolubilization method for soil using the same |
CN102225420A (en) * | 2011-03-31 | 2011-10-26 | 浙江工商大学 | Method for remedying soil polluted by difficultly degradable chlorinated organics |
CN102319727A (en) * | 2011-06-21 | 2012-01-18 | 北京市环境保护科学研究院 | Ectopic coupled repairing system and method for treating organic compound contaminated soil |
CN102941224A (en) * | 2012-11-13 | 2013-02-27 | 山东腾跃化学危险废物研究处理有限公司 | Method for biologically detoxifying hexavalent chromium in contaminated soil |
CN203370808U (en) * | 2013-07-24 | 2014-01-01 | 江苏麦可博生物环保工程技术有限公司 | Organic bank for repairing contaminated soil |
CN204602791U (en) * | 2015-04-03 | 2015-09-02 | 北京建工环境修复股份有限公司 | The dystopy reaction system that chromium-polluted soil is repaired |
Also Published As
Publication number | Publication date |
---|---|
CN104759457A (en) | 2015-07-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104759457B (en) | The method for arranging for the dystopy reaction system that chromium-polluted soil is repaired | |
RU2274749C1 (en) | Method for land reclamation in the case of land corruption by opened deposit development | |
CN106703050A (en) | Expansive soil road cutting side slope reinforced soil back-pressure seepage-preventive supporting structure and construction method thereof | |
CN204602791U (en) | The dystopy reaction system that chromium-polluted soil is repaired | |
CN103806432A (en) | Method for treating foundations in slope filling and digging joint part of wet and soft zone in loess region | |
CN113699971A (en) | Soft soil stratum in-situ curing agent preparation feeding equipment and curing process thereof | |
CN106193245A (en) | A kind of paddy field underground reservoir for sponge city and construction method thereof | |
CN105983562A (en) | High-dimensional landfill method of waste landfill | |
CN107675577B (en) | Road subgrade closed cushion structure in soft soil area and construction method thereof | |
CN109778625A (en) | A kind of express highway roadbed structure that dregs class building castoff fills | |
CN205475261U (en) | Ash dam structure of power plant | |
CN107152012A (en) | Sluice construction technique | |
CN113605492A (en) | Three-dimensional protection and utilization method for strip mine water resources | |
RU2274750C1 (en) | Method for land reclamation in the case of land corruption by opened deposit development | |
CN106337422B (en) | A method of processing Collapsible Loess District fill foundation | |
CN112813756A (en) | Roadbed based on municipal soft soil and construction method | |
CN206220108U (en) | Cut Slopes of Expansive Soil reinforced earth back-pressure antiseepage supporting construction | |
CN204238242U (en) | Ecological pocket type retaining wall | |
Samir et al. | Water losses from irrigation canals and their modern sustainable solutions-a review | |
CN114457855A (en) | Sunken horizontal seepage-proofing and perpendicular seepage-proofing integrated configuration | |
CN2782246Y (en) | Infiltration-proof garbage treatment site | |
RU89542U1 (en) | STRUCTURE FOR LOCALIZATION AND STRENGTHENING WEAK SOIL | |
CN111335363B (en) | New method for storing and disposing general industrial solid waste | |
CN109736331B (en) | Construction method for building landscape mountain by using sludge and agricultural and forestry wastes | |
CN107795145A (en) | Cave dwelling digs to collapse and tamped and the organic reconstructing method of the soil body |
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 |