CN107983764A - A kind of method that chromium-polluted soil repairs upgrading - Google Patents
A kind of method that chromium-polluted soil repairs upgrading Download PDFInfo
- Publication number
- CN107983764A CN107983764A CN201711371982.5A CN201711371982A CN107983764A CN 107983764 A CN107983764 A CN 107983764A CN 201711371982 A CN201711371982 A CN 201711371982A CN 107983764 A CN107983764 A CN 107983764A
- Authority
- CN
- China
- Prior art keywords
- soil
- chromium
- organic solvent
- reaction
- fluid bed
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A kind of chromium-polluted soil repairs remodeling method, it will be placed on by the soil of pollution of chromium in fluidized bed reaction, fluidization vapor phase solvent extractive reaction is carried out in fluid bed with the organic solvent of gasification, metallic compound after reaction is separated with gas phase state with soil, gaseous metal compound is recycled by condensing unit, and recycles organic solvent by hydrogen reducing or acidification reaction；The organic solvent of the gasification carries out fluidization vapor phase solvent extractive reaction in fluid bed can be chemically reacted under certain condition with several metallic compounds of certain in soil using the organic solvent for having particular functional group, and the characteristic not having an effect with other materials, after the organic solvent heating and gasifying of gasification, reacted with pretreated soil particle, generate metal complex, optionally the heavy metal chromium in soil is extracted, so that being governed by the soil of pollution of chromium.
Description
Technical field
The present invention relates to a kind of method of contaminated soil remediation transformation, a kind of repairing by chromium-polluted soil is referred in particular to
Multiple remodeling method, this kind can realize that cadmium pollution soil repairs chromium in grading process by the reparation remodeling method of chromium-polluted soil
It is permanent to remove, further improve soil environment, belong to ecological management environment remediation technical field.
Background technology
Soil is the organic component of Eco-Environment System, is the human survival synthesis most important and most basic with development
Property natural resources.Soil not only provides mechanical support ability for plant growth, and can be provided for growth and development of plants required
The fertility key element such as water, fertilizer, air and heat.However, with the industrialized fast development in China, the unreasonable exploitation of mineral resources and its
Smelt discharge, carry out atmospheric sedimentation caused by sewage irrigation and sludge administration, human activity, chemical fertilizer and pesticide to soil for a long time
Using etc. reason, it is serious to cause soil pollution.At present, China is one of country of soil pollution most serious in the world.According to ring
The guarantor portion data announced in 2006 show that contaminated about 1.5 hundred million mu of the arable land in China, accounts for the 8.3% of 1,800,000,000 mu of arable lands.How to protect
China soil, rehabilitating soil pollution, establishes the ecosystem of benign cycle, realizes that economy, environment, the harmonious of social benefit are united
One, it has also become current major issue urgently to be resolved hurrily.
Different pollution sources need different raw materials and method to be handled.Existing administering method mainly includes physics
A variety of methods such as reparation, chemical remediation, biological prosthetic, complex repairation.Combined-repair method resultant effect is good, secondary pollution can
Energy property is small, but cost is higher, and equipment is complex.And different soil is directed to, the medicament or medicament ratio of dispensing are
Difference, thus needs different processing equipments to be handled, and causes equipment cost higher.
In terms of the processing of heavy-metal contaminated soil, there are some similar patents of invention, such as patent of invention
CN101712042A discloses a kind of direct pyrolysis device, and the equipment is by once heating with reheating organic matter from dirt
Separate and handled in dye soil, which needs special fuel to carry out primary and secondary add in implementation process
Heat, the raising for equipment economy are very unfavorable, and the pollutant of transfer is not purified processing completely.Patent of invention
CN101947543A provides a kind of device using power plant cleaning vent gas treatment VOCs-contaminated Soils, the device
It is special using its high temperature, high humidity using nontoxic steam of the power plant after the cleaning treatment such as desulphurization and denitration and dedusting as air supply source
Point strengthens the volatile organic contaminant in Thermal desorption soil, but after volatile organic contaminant parsing with flue gas emission to big
Gas, therefore secondary pollution can be caused, it is not a kind of preferable resolution.Patent CN102527705A has invented a kind of soil and has repaiied
Compound method, soil to be repaired is sent to heat in rotary kiln and parses by this method, after the soil by roasting is by crusher in crushing
Using, exhaust gas is by demercuration, burning and dedusting heel row to air, although this method has carried out contamination control processing to tail gas,
Need to consume additional energy in processing procedure, therefore the economic feasibility of the technique has some disadvantages, so needing into one
Step is studied.
Do not find to have the patent literature constructed with the present invention by retrieval, have the special of certain relation with the present invention
Profit mainly has following：
1st, Patent No. CN200610013190.6, the patent of invention of entitled " technology of repairing chromium contaminated soil ", the patent are public
A kind of technology of repairing chromium contaminated soil is opened：Hair in sexavalence chromium soil in imparting vegetation absorption (plant such as trees, lawn) soil
The osmosis and high concentration chrome wastewater purification techniques of tubule, under the action of the Cr VI in contaminated soil in the soil capillary,
Underground water capillary interpenetrates effect or the blend-out Cr VI of precipitation effect nature moves in plant or flow out to continuous filter
Water in, by purifying disposal to continuous filter Zhong Shui implementations in cycles, Cr VI is reached in security value (s)
Repaired with realizing.
2nd, Patent No. CN201710086155.5, the hair of entitled " a kind of heavy metal chromium pollution soil remediation method "
Bright patent, which disclose a kind of heavy metal chromium pollution soil remediation method, it comprises the following steps：（1）Iron filings, ethanol are equal
Even spills in soil；（2）Adjust pH value；（3）Gamma Rays processing；（4）Preliminary spray process；（5）Spray process again；
（6）It is uniformly added into the sawdust of certain mass；（7）Cleaning spray processing, the present invention utilize winestone by adding iron filings, ethanol
Ph is adjusted in acid, carries out radiation treatment using gamma-rays, can be very good Cr VI being converted to trivalent chromium, and utilize iron filings
Porous property, reduce the pollution of chromium, meanwhile, the mode sprayed using multiple different material, chromium is removed, is carried
The removal rate of Gao Ge, improves the repairing effect of soil.
3rd, Patent No. CN201510258215.8, the patent of invention of entitled " a kind of chromium-polluted soil renovation technique ",
A kind of chromium-polluted soil renovation technique is which disclose, is comprised the following steps：(1) oxidant is added into chromium-polluted soil,
Chromium in chromium-polluted soil is oxidized to Cr VI, obtains sexavalence chromium soil；(2) leacheate is added into sexavalence chromium soil to be soaked
Take or/and elute, micro- pesticide-clay mixture earth of Cr VI and leacheate containing Cr VI must be remained；The leacheate is containing the water-soluble of strippant
Liquid, the strippant are soluble sulphate；(3) reducing agent is added into micro- pesticide-clay mixture earth, makes remaining hexavalent chrome reduction, obtain
Nontoxic soil.The beneficial effects of the invention are as follows the technique can efficiently repair chromium-polluted soil, and non-secondary pollution, uses sulfate
As strippant, desorption effect is more preferable, and economic benefit is higher.
Although these above-mentioned patents are directed to chromium-polluted soil reparation transformation, but these chromium-polluted soil reparation transformation sides
The effect of method is not fine, otherwise is exactly that the cost repaired is very high, otherwise is exactly that the effect repaired does not reach requirement, so difficult
Used with promoting, therefore still need further to be improved.
The content of the invention
It is an object of the invention to repair the problems of remodeling method for existing chromium-polluted soil, a kind of chromium is proposed
Contaminated soil remediation remodeling method, this kind of chromium-polluted soil, which repairs remodeling method, can further improve chromium-polluted soil reparation
Effect, realizes the permanent removal that cadmium pollution soil repairs chromium in grading process, with conventional curing process, bury seal up for safekeeping and
Biological treatment is essentially different, and has the advantages that quickly, forever remove, device structure is compact etc..
In order to reach this purpose, the present invention provides a kind of chromium-polluted soil to repair remodeling method, by by pollution of chromium
Soil is placed in fluidized bed reaction, and it is anti-that the extraction of fluidization vapor phase solvent is carried out in fluid bed with the organic solvent of gasification
Should, the metallic compound after reaction is separated with gas phase state with soil, and gaseous metal compound is recycled by condensing unit, and is led to
Hydrogen reducing or acidification reaction are crossed to recycle organic solvent.
Further, it is profit that the organic solvent of the gasification carries out fluidization vapor phase solvent extractive reaction in fluid bed
It can be chemically reacted under certain condition with several metallic compounds of certain in soil with the organic solvent for having particular functional group,
And the characteristic not having an effect with other materials, after the organic solvent heating and gasifying of gasification, with pretreated soil
Particle is reacted, and is generated metal complex, is optionally extracted the heavy metal chromium in soil, so that by pollution of chromium
Soil be governed.
Further, it is described optionally the heavy metal chromium in soil is extracted be first can gas using one kind
The organic solvent of change, organic solvent gasify in a container for being heated to 140~220 DEG C, the organic solvent after gasification and perseverance
When pending soil particle reaction 0.5~2 of the temperature in 200~300 DEG C of fluid beds is small, the metallic compound after reaction is 200
It is still gaseous substance at a high temperature of~300 DEG C, is filled with hydrogen in a reactor and reduction reaction occurs, generation is corresponding
Metal and organic solvent.
Further, the pretreated soil particle is pre-processed in the fluid bed of heated at constant temperature, is
Soil particle is set to be at stable fluidized state in fluid bed, it is necessary to be filled with complementary gas such as nitrogen etc., it is organic
Solvent gasification after, be filled with fluid bed in the lump with nitrogen, the organic solvent specifically to gasify can optionally with certain several metal
Compound is reacted, so that it is separated from soil particle.
Further, the organic solvent is organic chelated solvent, including acetylacetone,2,4-pentanedione or beta-diketon diimine.
Further, chromium-polluted soil reparation transformation concrete technology step is as follows：
1）Carry secretly and keep material particles in fluid bed to be in stable fluidized state to reduce material particles with gas, first
Need to be sieved chromium-polluted soil, be 53-150 μm to suitable grain graininess；
2）By organic solvent（Acetylacetone,2,4-pentanedione or beta-diketon diimine）Pass through peristaltic pump（Flow control is 0.2-0.4ml/m）Add
In temperature control heating device, temperature control is at 150~200 DEG C；
3）The material of granularity requirements will be met（50-60g）It is fitted into the fluid bed of controllable temperature, and makes temperature control 200~300
℃；
4）After the temperature of soil in fluid bed reaches 200~300 DEG C of the temperature specified, being first filled with nitrogen makes soil in fluid bed
Earth enters fluidized state；
5）The organic solvent to have gasified is mixed with nitrogen, into fluidized bed with soil reaction 0.5~2 it is small when；
6）The organic solvent chromium complex of generation is reacted at 200~300 DEG C, it will is existed in the form of vapour, by metal
The vapour of complex compound is filled with specific reduction vessel, at 250~350 DEG C, is filled with reducibility gas hydrogen, metal complex
Thing will be reduced into metal and organic solvent；
7）Organic solvent is recycled by condensing or is directly back to organic solvent in fluidized bed plant and pending soil
Reaction；
8）Remaining nitrogen and hydrogen can be recycled in fluidized bed plant in reaction process, for maintaining to wait to locate in fluid bed
Manage the fluidized state that soil is in stable.
Further, the organic solvent of the step a is acetylacetone,2,4-pentanedione or beta-diketon diimine, is heated at one
Gasify in 150~200 DEG C of heated at constant temperature container.
Further, the organic solvent of the step e uses faintly acid, and chemistry occurs with the heavy metal chromium of soil particle
Reaction, generates gasifiable metal complex at a certain temperature；Metal complex can be reacted with hydrogen under certain condition,
It is reduced into the organic solvent and metal of reusable edible.
Further, the regenerated organic solvent can recycle again.
The advantage of the invention is that：
The advantages and positive effects of the present invention are as follows：
Chromium in chromium-polluted soil is handled 1. the technique can be realized, the chromium in soil is fundamentally removed, makes in soil
Pollution of chromium effected a radical cure, which is different from the processing mode such as traditional curing, landfill, and there is no recurs for the soil after processing
Possibility.
2. the distinguishing feature of the present invention is that, by the soil of the process, heavy metal chromium can be progressively enriched with, very
To be recycling.Metal complex available hydrogen reduces, and recycles organic solvent and metal.
3. pair various pending soil is adaptable, there are good market prospects and application value.It is applicable to
Processing to such as lead, nickel, cadmium, the chromium of the various heavy in soil.
4. in the technological process of the present invention, various chemical reactions are carried out in gas/solid phase, and organic solvent can lead to
The utilization of vapour phase reduction reaction regeneration is crossed, whole technical process does not have the participation of water, and there is no the possibility of water pollution, gas-solid reaction
It must be carried out in closed container, whole technical process will not produce bazardous waste, be the new of green pollution-free
Technique.
Brief description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Embodiment
The present invention is further explained with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
By attached drawing 1 as can be seen that the present invention relates to it is a kind of from chromium-polluted soil remove pollution of chromium method, according to the following steps
Carry out：
1st, pending soil is sieved, by 60g suitable particle sizes（+53-150μm）Pending soil be fitted into fluid bed,
Heating unit is opened, controlled at 240 DEG C；
2nd, by organic solvent acetylacetone,2,4-pentanedione（0.2ml/m）It is added in temperature control heating device and is gasified by peristaltic pump, is controlled
Temperature is 160 DEG C；
3rd, the nitrogen of 60ml/m is heated by preheating device, be filled into fluidized bed plant, answered really after reaching predetermined temperature
The particle protected in fluid bed is in stable fluidized state；
4th, the acetylacetone,2,4-pentanedione of gasification is loaded into fluid bed, the solid slope technology of 1.5h, acetylacetone,2,4-pentanedione is carried out at a temperature of 240 DEG C
With the chromium chemical reaction generation acetylacetone,2,4-pentanedione chromium complex in soil, at a temperature of 240 DEG C, which gasifies at once；
At a temperature of 260 DEG C with hydrogen reduction reaction occurs in reduction vessel for the acetylacetone,2,4-pentanedione chromium complex after the 5th, gasifying,
Crome metal and regenerated acetylacetone,2,4-pentanedione are generated, acetylacetone,2,4-pentanedione can reuse and return to flow above, whole technique mistake
The rate of recovery/removal rate of Cheng Ge is 78.5%, and the content of crome metal reaches 99.6%.
Embodiment two
Embodiment two and the principle of embodiment one are essentially the same, and simply component and parameter are somewhat different.It is that one kind use is organic molten
The method that agent beta-diketon diimine removes chromium in soil, carries out according to the following steps：
1st, by pending soil and sieved, by 70g suitable particle sizes（+53-150μm）Pending soil particle load fluidisation
In bed, heating unit is opened, controlled at 240 DEG C；
2nd, by organic solvent beta-diketon diimine（0.2ml/m）It is added in temperature control heating device and is gasified by peristaltic pump,
Controlled at 180 DEG C, the present invention in use beta-diketon diimine rather than acetylacetone,2,4-pentanedione, mainly due to acetylacetone,2,4-pentanedione pair
Than beta-diketon diimine has better choice, is not chemically reacted with the iron in soil；
3rd, the nitrogen of 50ml/m is heated by preheating device, be filled into fluidized bed plant, answered really after reaching predetermined temperature
The particle protected in fluid bed is in stable fluidized state；
4th, the beta-diketon diimine of gasification is loaded into fluid bed, the solid slope technology of 2.0h, β-two is carried out at a temperature of 240 DEG C
Keto diimide and the chromium chemical reaction generation chromium complex in soil, at a temperature of 240 DEG C, nickel complex gasifies at once；
At a temperature of 240 DEG C with hydrogen reduction reaction occurs in reduction vessel for the chromium metal complex after the 5th, gasifying, and generates
Crome metal and regenerated beta-diketon diimine, beta-diketon diimine can reuse and return to flow above, whole work
The removal rate of skill process chromium is 80.8%, and the content of crome metal reaches 98.7%.
It will be apparent that it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention,
After reading the present invention, modification of the those skilled in the art to the various equivalent forms of the present invention each falls within right appended by the application will
Seek limited range.
The advantage of the invention is that：
The advantages and positive effects of the present invention are as follows：
Chromium in chromium-polluted soil is handled 1. the technique can be realized, the chromium in soil is fundamentally removed, makes in soil
Pollution of chromium effected a radical cure, which is different from the processing mode such as traditional curing, landfill, and there is no recurs for the soil after processing
Possibility.
2. the distinguishing feature of the present invention is that, by the soil of the process, heavy metal chromium can be progressively enriched with, very
To be recycling.Metal complex available hydrogen reduces, and recycles organic solvent and metal.
3. pair various pending soil is adaptable, there are good market prospects and application value.It is applicable to
Processing to such as lead, nickel, cadmium, the chromium of the various heavy in soil.
4. in the technological process of the present invention, various chemical reactions are carried out in gas/solid phase, and organic solvent can lead to
The utilization of vapour phase reduction reaction regeneration is crossed, whole technical process does not have the participation of water, and there is no the possibility of water pollution, gas-solid reaction
It must be carried out in closed container, whole technical process will not produce bazardous waste, be the new of green pollution-free
Technique.
Claims (9)
1. a kind of chromium-polluted soil repairs remodeling method, will be placed on by the soil of pollution of chromium in fluidized bed reaction, with gas
The organic solvent of change carries out fluidization vapor phase solvent extractive reaction in fluid bed, and the metallic compound after reaction is with gas phase state
Separated with soil, gaseous metal compound is recycled by condensing unit, and recycles profit by hydrogen reducing or acidification reaction
Use organic solvent.
2. chromium-polluted soil as claimed in claim 1 repairs remodeling method, it is characterised in that：The organic solvent of the gasification
It is to utilize to have the organic solvent of particular functional group can be in certain bar that fluidization vapor phase solvent extractive reaction is carried out in fluid bed
Chemically reacted under part with several metallic compounds of certain in soil, and the characteristic not having an effect with other materials, use
After the organic solvent heating and gasifying of gasification, reacted with pretreated soil particle, generate metal complex, optionally
Heavy metal chromium in soil is extracted, so that being governed by the soil of pollution of chromium.
3. chromium-polluted soil as claimed in claim 2 repairs remodeling method, it is characterised in that：It is described optionally by soil
In heavy metal chromium to extract be to use a kind of organic solvent that can gasify first, organic solvent is heated to 140 at one
Gasify in~220 DEG C of container, the organic solvent after gasification and pending soil of the constant temperature in 200~300 DEG C of fluid beds
When grain reaction 0.5~2 is small, the metallic compound after reaction is still gaseous substance at a high temperature of 200~300 DEG C, with hydrogen
It is filled with a reactor and reduction reaction occurs, generates corresponding metal and organic solvent.
4. chromium-polluted soil as claimed in claim 3 repairs remodeling method, it is characterised in that：The pretreated soil
Particle is pre-processed in the fluid bed of heated at constant temperature, in order to make soil particle be at the stream of stabilization in fluid bed
Change state after organic solvent gasification, is filled with fluid bed, specifically, it is necessary to be filled with complementary gas such as nitrogen etc. in the lump with nitrogen
The organic solvent of gasification can optionally be reacted with certain several metallic compound, so that it is isolated from soil particle
Come.
5. chromium-polluted soil as claimed in claim 4 repairs remodeling method, it is characterised in that：The organic solvent is organic
Chelating solvent, including acetylacetone,2,4-pentanedione or beta-diketon diimine.
6. chromium-polluted soil as claimed in claim 1 repairs remodeling method, it is characterised in that：The chromium-polluted soil reparation
It is as follows to transform concrete technology step：
1）Carry secretly and keep material particles in fluid bed to be in stable fluidized state to reduce material particles with gas, first
Need to be sieved chromium-polluted soil, be 53-150 μm to suitable grain graininess；
2）By organic solvent（Acetylacetone,2,4-pentanedione or beta-diketon diimine）Pass through peristaltic pump（Flow control is 0.2-0.4ml/m）Add
In temperature control heating device, temperature control is at 150~200 DEG C；
3）The material of granularity requirements will be met（50-60g）It is fitted into the fluid bed of controllable temperature, and makes temperature control 200~300
℃；
4）After the temperature of soil in fluid bed reaches 200~300 DEG C of the temperature specified, being first filled with nitrogen makes soil in fluid bed
Earth enters fluidized state；
5）The organic solvent to have gasified is mixed with nitrogen, into fluidized bed with soil reaction 0.5~2 it is small when；
6）The organic solvent chromium complex of generation is reacted at 200~300 DEG C, it will is existed in the form of vapour, by metal
The vapour of complex compound is filled with specific reduction vessel, at 250~350 DEG C, is filled with reducibility gas hydrogen, metal complex
Thing will be reduced into metal and organic solvent；
7）Organic solvent is recycled by condensing or is directly back to organic solvent in fluidized bed plant and pending soil
Reaction；
8）Remaining nitrogen and hydrogen can be recycled in fluidized bed plant in reaction process, for maintaining to wait to locate in fluid bed
Manage the fluidized state that soil is in stable.
7. chromium-polluted soil as claimed in claim 6 repairs remodeling method, it is characterised in that：The step a's is organic molten
Agent is acetylacetone,2,4-pentanedione or beta-diketon diimine, is gasified in the heated at constant temperature for being heated to 150~200 DEG C container.
8. chromium-polluted soil as claimed in claim 6 repairs remodeling method, it is characterised in that：The step e's is organic molten
Agent uses faintly acid, is chemically reacted with the heavy metal chromium of soil particle, generates gasifiable metal network at a certain temperature
Compound；Metal complex can be reacted with hydrogen under certain condition, be reduced into the organic solvent and metal of reusable edible.
9. chromium-polluted soil as claimed in claim 7 or 8 repairs remodeling method, it is characterised in that：Described is regenerated organic
Solvent can recycle again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371982.5A CN107983764B (en) | 2017-12-19 | 2017-12-19 | Method for repairing and improving quality of chromium-polluted soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371982.5A CN107983764B (en) | 2017-12-19 | 2017-12-19 | Method for repairing and improving quality of chromium-polluted soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983764A true CN107983764A (en) | 2018-05-04 |
| CN107983764B CN107983764B (en) | 2022-09-06 |
Family
ID=62038996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711371982.5A Active CN107983764B (en) | 2017-12-19 | 2017-12-19 | Method for repairing and improving quality of chromium-polluted soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983764B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201727A (en) * | 2018-09-03 | 2019-01-15 | 杭州鸿明市政工程有限公司 | A kind of leached soil solutions, application method and equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401635B1 (en) * | 1998-08-12 | 2002-06-11 | Corenso United Oy Ltd. | Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| CN1738917A (en) * | 2003-01-30 | 2006-02-22 | Bhp比利通Ssm技术有限公司 | Process for nickel and cobalt extraction from laterite ores |
| CN101133170A (en) * | 2005-02-24 | 2008-02-27 | Bhp比利通Ssm技术有限公司 | Production of ferronickel |
| CN102220487A (en) * | 2011-06-02 | 2011-10-19 | 上海格泰实业发展有限公司 | Method for extracting vanadium and aluminum from vanadium-containing stone coal and clay vanadium ore |
| CN102515227A (en) * | 2011-12-23 | 2012-06-27 | 西安航天科技工业公司 | Method for extracting alumina from fly ash based on grinding and acid leaching technology |
| CN102649059A (en) * | 2011-02-25 | 2012-08-29 | 中国石油化工股份有限公司 | Fluid catalyst for preparation of oxalate through CO coupling |
| CN102732736A (en) * | 2012-07-23 | 2012-10-17 | 中南大学 | Method for extracting vanadium from burning slag of stone coal vanadium mine fluidized bed |
| CN104507869A (en) * | 2012-05-03 | 2015-04-08 | 卡勒拉公司 | Non-cementitious compositions comprising vaterite and methods thereof |
| CN105032909A (en) * | 2015-06-30 | 2015-11-11 | 武汉都市环保工程技术股份有限公司 | Ectopic desorption remediation method for contaminated soil |
| CN206624822U (en) * | 2017-03-20 | 2017-11-10 | 华中农业大学 | Heavy metal and energy element cutting retracting device in heavy metal cutting |
-
2017
- 2017-12-19 CN CN201711371982.5A patent/CN107983764B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6401635B1 (en) * | 1998-08-12 | 2002-06-11 | Corenso United Oy Ltd. | Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| CN1738917A (en) * | 2003-01-30 | 2006-02-22 | Bhp比利通Ssm技术有限公司 | Process for nickel and cobalt extraction from laterite ores |
| CN101133170A (en) * | 2005-02-24 | 2008-02-27 | Bhp比利通Ssm技术有限公司 | Production of ferronickel |
| CN102649059A (en) * | 2011-02-25 | 2012-08-29 | 中国石油化工股份有限公司 | Fluid catalyst for preparation of oxalate through CO coupling |
| CN102220487A (en) * | 2011-06-02 | 2011-10-19 | 上海格泰实业发展有限公司 | Method for extracting vanadium and aluminum from vanadium-containing stone coal and clay vanadium ore |
| CN102515227A (en) * | 2011-12-23 | 2012-06-27 | 西安航天科技工业公司 | Method for extracting alumina from fly ash based on grinding and acid leaching technology |
| CN104507869A (en) * | 2012-05-03 | 2015-04-08 | 卡勒拉公司 | Non-cementitious compositions comprising vaterite and methods thereof |
| CN102732736A (en) * | 2012-07-23 | 2012-10-17 | 中南大学 | Method for extracting vanadium from burning slag of stone coal vanadium mine fluidized bed |
| CN105032909A (en) * | 2015-06-30 | 2015-11-11 | 武汉都市环保工程技术股份有限公司 | Ectopic desorption remediation method for contaminated soil |
| CN206624822U (en) * | 2017-03-20 | 2017-11-10 | 华中农业大学 | Heavy metal and energy element cutting retracting device in heavy metal cutting |
Non-Patent Citations (1)
| Title |
|---|
| 陈云等: ""从矿石和废料中提取非常规金属技术综述"", 《国际矿物加工杂志》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201727A (en) * | 2018-09-03 | 2019-01-15 | 杭州鸿明市政工程有限公司 | A kind of leached soil solutions, application method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107983764B (en) | 2022-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Al-Ghouti et al. | Recent advances and applications of municipal solid wastes bottom and fly ashes: Insights into sustainable management and conservation of resources | |
| US10487265B1 (en) | Method for pyrolysis treatment of oily sludge and environment-friendly renovation of the residue thereof with humic acid substance | |
| CN105038822B (en) | The cleaning method and device of a kind of sludge | |
| CN104748130B (en) | Oil-bearing solid waste resource utilization device and method | |
| CN101797578B (en) | Garbage microwave pyrolysis comprehensive treatment system and method and equipment used by same | |
| CN103172245B (en) | Method for quick pyrolysis treatment and in situ conversion product utilization of sludge | |
| CN103978007B (en) | A kind of fluidized bed type chromium slag pyrolysis butanedionedioxime | |
| BR112016009337B1 (en) | WASTE TREATMENT METHOD FOR SEPARATION OF SOLID AND LIQUID AND SEPARATION OF ORGANIC AND INORGANIC MATERIALS, AND, APPARATUS FOR THE IMPLEMENTATION OF THE WASTE TREATMENT METHOD | |
| KR20070084297A (en) | Slurry dewatering and conversion of biosolids to a renewable fuel | |
| CN104229797B (en) | Pyrolysis activation combustion gasification all-in-one oven, refuse landfill Coordination Treatment system, activated carbon manufacture method | |
| CN110564433A (en) | Super-enriched plant-based biochar and preparation method and application thereof | |
| CN103785682A (en) | Method of promoting heat treating remediation for soil polluted by mercury | |
| CN107497221A (en) | A kind of exhaust gas purification system | |
| CN108672489A (en) | A kind of carbonization restorative procedure of volatile organic matter-heavy-metal composite pollution soil | |
| Zheng et al. | CaO-assisted hydrothermal treatment combined with incineration of sewage sludge: Focusing on phosphorus (P) fractions, P-bioavailability, and heavy metals behaviors | |
| Zhang et al. | Immobilization of heavy metals in biochar by co-pyrolysis of sludge and CaSiO3 | |
| CN107983764A (en) | A kind of method that chromium-polluted soil repairs upgrading | |
| Spinosa | From sludge to resources through biosolids | |
| CN103894412B (en) | A kind of soil remediation method for upgrading | |
| CN101829671A (en) | Clean energy utilization method for municipal solid wastes | |
| CN108555011A (en) | A kind of carbonization restoration processing system of volatile organic matter-heavy-metal composite pollution soil | |
| CN108426250A (en) | A kind of domestic garbage gasification melting electricity generation system | |
| CN108397777A (en) | A kind of domestic garbage gasification electricity generation system | |
| CN112066384A (en) | Straw household garbage waste bundling and pyrolysis cooperative treatment method | |
| CN204918477U (en) | Clean processing apparatus of mud |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |