CN106517709A - Sludge soil governing method by sludge carbonization - Google Patents
Sludge soil governing method by sludge carbonization Download PDFInfo
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- CN106517709A CN106517709A CN201611217126.XA CN201611217126A CN106517709A CN 106517709 A CN106517709 A CN 106517709A CN 201611217126 A CN201611217126 A CN 201611217126A CN 106517709 A CN106517709 A CN 106517709A
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- Prior art keywords
- sludge
- carbonization
- soil
- mud granule
- contaminated soil
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/14—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of contaminated soil, e.g. by oil
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The invention discloses a polluted sludge soil governing method by sludge carbonization. The polluted soil governing technique by sludge carbonization mainly includes steps of 1), obtaining sludge with 95.5-97% of water content from a secondary-sediment pond and entering a sludge storage pond through an active sludge treatment technique of domestic wastewater treatment; through a dewatering device, reducing the water content of the flowing sludge to 82% below; pushing sludge through high pressure of screw pump and passing through a prilling device; after prilling, forming spraying shots and filling in a pyrolysis device or a sludge carbonization device namely; 3) sealing sludge in the carbonization device, and carbonizing sludge by the pyrolysis device through a middle-temperature pyrolysis technology; making sludge form quasi-active carbon grains or carbonized sludge grain and then applying to govern the polluted soil; delivering the carbon sludge grain of the absorbed pollutants taken from the soil to incinerate, and applying the treated residual slag to the assistant building materials.
Description
Technical field
The soil remediation technique the present invention relates to a kind of sludge is carbonized, belongs to enviromental protection and improvement technical field and contaminated soil
Treatment process field, makes activated carbon pollution administration soil technique especially with city sewage and sludge.
Background technology
In the continuous evolution in city, municipal sewage yield is being continuously increased, at present at each metropolitan sewage in the whole nation
All in the growth for carrying out explosion type, the main technique that domestic sewage treatment plant extensive at present adopts is activated sludge work to the amount of putting
Skill.Therefore necessarily lead to excess sludge during sewage disposal, as the continuous development and environmental protection of sewage treatment industry will
The continuous improvement asked, the excess sludge that current sewage treatment plant produces have been another great difficulties that sewage treatment industry faces
Topic and challenge.
With big industrialized development, repeatedly investigation domestic at present shows that the contaminated degree of holding of soil is constantly being improved, receives
Contaminated area is constantly increasing, and contaminated soil control does not also obtain related breakthrough, and country's contaminated soil is controlled at present
Reason is mainly adopted based on physical absorption, transfer improvement.
For the sludge difficult problem that sewage treatment industry occurs, primary concern is that carries out decrement, harmless treatment by sludge,
Such as landfill, compost, burning, temporarily also do not have correlation technique sludge can be formed new product for other pollution controls,
Form the technical matters polluted with pollution control.For such problem, and the probability of product can be made in view of sludge, carry
Out sludge carbonization makes similar activated carbon granule thing, and the material is used for contaminated soil administers, and final product is for burning
Burn and play final value, form the Technology polluted with pollution control, realize that sludge Maxi-mize city value is utilized.So reach
The improvement purpose of sludge pollution, while and realize the purpose of contaminated soil improvement.
The content of the invention
The object of the invention is to provide a kind of city domestic sewage active sludge treatment, excess sludge granulation carbonization, Polluted Soil
The comprehensive city sewage and sludge such as earth improvement, sludge incineration processes contaminated soil Processing tecchnics.By sludge carbonization technology and dirt
The combination of dye soil technology, realizes the disposal target of sewage treatment plant sludge harmless, stabilisation, minimizing, resource, together
When by sludge be carbonized granulation technique develop afterproduct, and by the product be used for contaminated soil improvement, realize the valency of sludge
Value is improved, and is not exclusively processed as a kind of pollution, is also used as new pollution control material, makes a pollution be changed into one
Plant pollution control product.Mud granule thing most at last after pollution administration is burned for power plant, thoroughly solves sludge bulk contamination
And the final harmless treatment of soil pollution of absorption.The present invention program ultimately forms a set of new sludge polluted with pollution control
Handling process.
For achieving the above object, the technical solution used in the present invention is：
A kind of sludge carbonization contaminated soil Processing tecchnics, add contaminated soil Treatment process technique using sludge carbonization treatment,
It is characterized in that taking following processing step：
(1), in the active sludge treatment process that sanitary wastewater is processed, moisture content 95.5-97% sludge is obtained from after second pond
Into sewage sludge storage pond, the flowable sludge being down to moisture content by dehydration device within 80-82%；Sewage treatment plant is all
It is to calculate according to 80% sludge, actually might have the error of 2-3%；
(2) 80% sludge of moisture content pushes and passes through prilling granulator by screw pump high pressure, forms injection shot after pelletize
It feed into pyrolysis installation i.e. sludge carbonizing plant；
(3) sludge is carbonized using middle temperature pyrolytic technique sludge by closed environment, pyrolysis installation in carbonizing plant；Pyrolysis
Unit temp scope 400-600 DEG C；
(4) sludge after pyrolysis installation process forms specific surface area and can reach 500m2The class activated carbon granule of/g or so
Thing.
(5) sludge forms class activated carbon granule thing and is carbonized after mud granule the harnessing project for contaminated soil, by charcoal
Change mud granule and be fabricated to filtering rod in contaminated soil, segmentation is embedded in contaminated soil, by current cleaning function, drive dirty
Dye pollutant in soil flowing, by the mud granule that is carbonized, makes pollutant be carbonized mud granule absorption.Sludge is used mainly
Removable pollution absorption in soil is absorbed by the adsorption of granule, then by taking out mud granule by contaminated zone in soil
Walk, form contaminated soil governance role.
(6) the carbon mud granule of the absorption pollutant for taking out from soil delivers to power plant carries out burning disposal, after process
Residue can be used for building materials adjuvant, by pollutant in burning high temperature curing soil.
Sludge forms highly porous carbonization mud granule in carbonizing plant.Highly porous carbonization mud granule has
Such particulate matter can be used in contaminated soil Processing tecchnics by higher adsorption, the characterization of adsorption with similar activated carbon
The middle adsorption function for substituting activated carbon.Carbonization mud granule is embedded in contaminated soil, dividing strip is formed, then by current
Effect, by the pollutant washing in soil in particulate matter, by carbonization mud granule rich absorbent, takes out carbon after a period of time
Change the carbonization mud granule bar that mud granule bar more renews, till contaminants associated concentration reduction is up to standard in soil.Change
Carbonization mud granule because be carbonized with preferable combustibility, therefore the carbonization mud granule of replacing can be used for
The auxiliary fuel of coal-fired power plant, by the high-temp combustion of power plant, can by the burning solidification of the pollutant of absorption, it is to avoid pollution
The secondary pollution of thing, carbonization mud granule itself are converted into the conventional substances such as carbon dioxide by burning.Therefore the technique is one
The sludge treatment of the complete double effectses that can thoroughly solve sludge of sewage treatment plant handling problems and soil contamination problem of set
Technique.
Invention is a kind of using sludge making activated carbon pollution administration soil technique, increases mud granulizing, carbonization, Polluted Soil
The process systems such as earth is administered, carbonization sludge incineration, form a whole set of specific resistance to filtration that Treatment of Sludge and contaminated soil are administered
Technique, is a kind of sludge reduction, stabilisation, the technique of innoxious, recycling treatment, is that a kind of collaboration contaminated soil is administered
Technique.Effective material of contaminated soil improvement can be formed through the sludge of present invention process process, and be used for soil remediation
Residual materials afterwards can be used for power plant's burning disposal, produces a small amount of calorific value, and forms residue for building materials adjuvant, fully real
The innoxious of Treatment of Sludge, stabilisation, minimizing, recycling treatment target, and the new pollution control function of developing are showed.
Sludge can be fabricated to class activated carbon granule thing by the middle temperature decomposition of sludge by the present invention, for contaminated soil
The expensive activated carbon of fictitious hosts in harnessing project, that is, realize sludge process dispose also reduce contaminated soil improvement into
This, by substituting the economic benefit that activated carbon is produced, can effectively reduce the investment construction of specific resistance to filtration and run into
This, brings new direction to sludge treatment.
Beneficial effects of the present invention：
1) a kind of sludge carbonization contaminated soil Processing tecchnics, using the middle temperature pyrolytic technique of dewatered sludge, realize drying sludge
Carbonization, forms class activated carbon granule, and such substance migration can be substituted activated carbon in contaminated soil improvement, reduce dirty
Dye soil remediation cost, while sludge treatment cost can be saved, realizes the new route of pollution control pollution, and final pollution can be with
Burn into boiler of power plant as fuel, the slag of formation is used for building materials adjuvant.
2) middle temperature pyrolytic technique, sludge is adopted to be dehydrated to moisture content 80% by sewage treatment plant and can directly pass through high pressure spiral shell
Bar pump is pushed, and forms particulate matter, without the need for other processing technique, can form class activated carbon granule thing material by middle warm solution.
3) sludge class activated carbon granule thing can be used for contaminated soil improvement, substitutes activated carbon and uses, in contaminated soil
Absorption band is fabricated to, replacing replacement is carried out by periodic detection adsorption, ultimately form effective contaminated soil regulation effect.
4) the sludge class activated carbon granule thing for taking out from contaminated soil still has good combustibility, can be used as electricity
Factory's fuel used to generate electricity is blended in power plant soot together incineration disposal, and place postpones the residue of product as fly ash in electric power plant is used as building-assisted
Material, forms a whole set of secondary pollution handling process.
Sewage treatment plant's dewatered sludge is fabricated to class activated carbon material by the middle temperature carbonization technology of effectively utilizes of the present invention so as to
A kind of contaminated soil for developing is transformed to from a kind of polluter and administers material, finally still can be fired as fuel
Burn and utilize, form a whole set of cost-effective specific resistance to filtration Technology.
Description of the drawings
Figure is the process chart of the present invention.
Specific embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As illustrated, the present invention is by middle temperature carbonization technology shape by the sludge of 80% moisture content of sewage treatment plant's generation
It is used for the technology of pollution administration soil, and the most class activated carbon thing of adsorptional earth earth polluter at last into class activated carbon mud granule
Matter is used as the joint disposal technology that a whole set for the treatment of sludge contaminated soil of power plant's aid fuel combustion is administered.Sewage treatment plant produces
Raw 80% sludge of moisture content is by screw pump high-pressure delivery, and sludge is formed particulate material injection skill by Granulation Equipments
The middle temperature carbonizing plant of art, mud granule thing is fabricated to the particulate matter of active charcoal absorption property by middle temperature carbonizing plant,
The oil water mixture of generation is acted on by condensation separation and formed respectively condensed water and oil, is recycled.The class activated carbon that will be produced
Mud granule is applied in remediation contaminated soil, class activated carbon mud granule is fabricated to filter bag in contaminated soil, is passed through
Water body flow cleaning action in soil, the polluter in soil is transferred in class activated carbon mud granule, by class activity
The collection pollution administration soil of charcoal mud granule.It is transported to after being enriched the class activated carbon mud granule collection of pollutant in soil
Power plant carries out mixing burning as auxiliary fuel is burned, and mixes and burns the residue for producing with fly ash in electric power plant as building auxiliary material utilization, produces
Other raw materials qualified discharge after the exhaust treatment system of power plant is processed.
Present invention process route：
1st, 80% sludge of moisture content is transported into special sewage sludge storage conveying equipment by sewage treatment plant.
2nd, moisture content 80% extrudes to form mud granule into middle temperature by screw pump high-pressure delivery and by Granulation Equipments
Carbonizing plant.
3rd, mud granule enters middle temperature carbonizing plant, and device temperature is controlled at 400-600 DEG C, and the disposal through being carbonized forms class
Activated carbon mud granule, oil, water, profit carry out individually separating by condensation separation effect.
4th, by specific surface area in 500m2The class activated carbon mud granule of/g or so is fabricated to filter bag, installed in Polluted Soil
In earth, polluter is transferred in mud granule filter bag by the effect of soil water flow inside, by continuous adsorption and enrichment
Take the polluter in contaminated soil out of soil, reach the purpose of pollution administration soil.
5th, the class activated carbon mud granule for having adsorbed the polluter in contaminated soil is transported to power plant, used as power plants generating electricity
Auxiliary fuel burnt, the residue after burning as building auxiliary material, the tail gas of generation is at flue gas of power plants processing system
Qualified discharge after reason.
Sludge of sewage treatment plant can thoroughly be solved the problems, such as through this PROCESS FOR TREATMENT, while develop polluting with pollution control
Method, reasonable pollution administration soil, and final mud granule thing is burnt as fuel gives full play to its value,
The residue of generation builds adjuvant the most, and whole processing procedure does not have secondary pollution to produce, and forms the effect of double pollution controls.
Embodiment
The present invention as illustrated, the present invention for a kind of sludge be carbonized soil remediation technique, can once complete municipal sewage
Double pollution controls for the treatment of plant's treating sludge and remediation contaminated soil.Moisture content 80% after municipal sewage plant's dehydration is dirty
Mud is transported into special sewage sludge storage conveyer device, by the supporting middle temperature carbonizing plant import of screw pump high-pressure delivery, in
Warm carbonizing plant import is equipped with sludge pelletizer, and 80% sludge of moisture content can be fabricated to the particulate matter of a diameter of 1-5mm, and
Middle temperature carbonizing plant is injected into, and carbonization is carried out in middle temperature carbonizing apparatus.
At 400-600 DEG C, by carbonization, sludge is converted into absorbability middle temperature carbonizing plant running temperature
Class activated carbon mud granule, through Preliminary Determination, the specific surface area of such activated carbon mud granule is in 500m2/G or so, has reached
To preferable absorbability.The oil water mixture produced in carbonisation is acted on by condensation separation, is separately recovered You Heshui.Oil
Can burn as active substance, water is by processing qualified discharge.
Sludge extruding and pelletizing plant is a kind of injection of space the device with addition firming agent, allows the dirt that moisture content is higher
Mud can solidify spheroiding, realize granulation.Firming agent refers to binding agent, such as polyvinyl alcohol viscous solution etc..
Carbonization mud granule reaches 2 meters of particulate matter bar and inhales for pollution in soil for forming depth in pollution control
It is attached：The class activated carbon mud granule of formation is fabricated to into 2 meters wide in contaminated soil, two meters of deep filter bags, depth also can root
It is adjusted according to practical situation.Filter bag arranged direction is arranged with soil water amount direction.Pass through polluter by water flowing
Class activated carbon mud granule filter bag, carries out Filtration Adsorption, by pollutant in soil matter absorption migration, and periodically to filter bag two
Side pollutant in soil matter is measured, and carbonization mud granule is used for contaminated soil and administers the replacement cycle according to carbonization in continuous 1 week
Before and after mud granule, pollutant levels change difference judges, changes difference less than the carbonization sludge for needing more to renew after certain value
Granule.
But filter bag replacing is carried out when the still exceeded concentration difference of measure pollution concentration is almost unchanged, until determining
Till pollutant in soil matter content is up to standard.The filter bag of replacing be collected concentration storage, reach it is a certain amount of after transport to electricity
Factory.
The rear class activated carbon mud granule thing that uses of collection carries out burning as auxiliary fuel in being blended into power plant soot
Electricity, burns the residue for producing and follows fly ash in electric power plant as building adjuvant, and the tail gas of generation is through processing qualified discharge.
Whole set process system adopts Automated condtrol, and personnel demand is few.
The not only disposal of pollutants of a whole set of sludge treatment technique, can utilize carbonized particles to be used for dirt while utilizing sludge characteristics to make
Dye soil remediation, defines double pollutant abatement technologies of a set of pollution control pollution.While thoroughly solving sludge problem
Also aid in and solve the problems, such as part soil pollution.
Claims (8)
1. sludge carbonization pollution administration soil method, is characterized in that adding contaminated soil Treatment process work using sludge carbonization treatment
Skill, comprises the following steps that：
(1), in the active sludge treatment process that sanitary wastewater is processed, the entrance of moisture content 95.5-97% sludge is obtained from after second pond
Sewage sludge storage pond, moisture content is down to less than 82% flowable sludge by dehydration device；
(2) 80% sludge of moisture content pushes and passes through prilling granulator by screw pump high pressure, forms injection shot and put into after pelletize
Enter pyrolysis installation i.e. sludge carbonizing plant；
(3) sludge is carbonized using middle temperature pyrolytic technique sludge by closed environment, pyrolysis installation in carbonizing plant；
(4) sludge forms class activated carbon granule thing after pyrolysis installation process；
(5) sludge forms class activated carbon granule thing and is carbonized after mud granule the harnessing project for contaminated soil, and carbonization is dirty
Mud granule is fabricated to filtering rod in contaminated soil, and segmentation is embedded in contaminated soil, by current cleaning function, drives Polluted Soil
Pollutant flowing in earth, by the mud granule that is carbonized, makes pollutant be carbonized mud granule absorption.Mud granule is used mainly
Adsorption the removable pollution absorption in soil is absorbed, then pollution will be taken away in soil by taking out mud granule,
Form contaminated soil governance role.
(6) the carbon mud granule of the absorption pollutant for taking out from soil delivers to power plant carries out burning disposal, residual after process
Slag is used for building materials adjuvant.
2. method according to claim 1, is characterized in that：Carbonization mud granule thing specific surface area can reach 500m2/g。
3. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 1, is characterized in that：Carbonizing plant is using in
Warm pyrolysis installation, using temperature at 400-600 DEG C or so, thermal decomposition product is the larger carbonization mud granule of specific surface area.
4. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 1, is characterized in that：Sludge extruder grain is filled
The device for being a kind of space injection adjoint addition firming agent is put, the sludge for making moisture content higher can solidify spheroiding, realize
Granulation.
5. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 2, is characterized in that：Carbonization mud granule is used
The particulate matter bar for forming 2 meters of depth in pollution control is used for pollution absorption in soil.
6. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 1, is characterized in that：Carbonization mud granule is used
Before and after contaminated soil administers the replacement cycle according to continuous 1 week carbonization mud granule, pollutant levels change difference judges, change
Difference is less than the carbonization mud granule for needing more to renew after certain value.
7. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 1, is characterized in that：Contaminated soil is adsorbed
The carbonization mud granule of middle pollutant carries out burning electricity generation as auxiliary fuel in delivering to coal-burning power plant, is acted on by power plant's burning
The pollutant high temperature incineration adsorbed in sludge and high temperature passivation are fixed, as building auxiliary material.
8. a kind of sludge carbonization contaminated soil Processing tecchnics according to claim 1, is characterized in that：Sludge passes through power plant's mistake
Filter is converted into the materials such as carbon dioxide, water after burning, and is thoroughly disposed.
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| CN201611217126.XA CN106517709A (en) | 2016-12-26 | 2016-12-26 | Sludge soil governing method by sludge carbonization |
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| CN110143739A (en) * | 2019-05-29 | 2019-08-20 | 北京天耀华夏环保科技有限公司 | The comprehensive ecological processing method of red mud and mud |
| CN113943078A (en) * | 2021-10-28 | 2022-01-18 | 内蒙古万众炜业科技环保股份公司 | Treatment process for sewage generated by coal cracking |
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| CN109570222A (en) * | 2018-11-29 | 2019-04-05 | 南京工业大学 | The method that magnetic sludge carbon strengthens electronic-chemical oxidation renovation of organic pollution soil |
| CN110143739A (en) * | 2019-05-29 | 2019-08-20 | 北京天耀华夏环保科技有限公司 | The comprehensive ecological processing method of red mud and mud |
| CN113943078A (en) * | 2021-10-28 | 2022-01-18 | 内蒙古万众炜业科技环保股份公司 | Treatment process for sewage generated by coal cracking |
| CN113943078B (en) * | 2021-10-28 | 2023-07-21 | 内蒙古万众炜业科技环保股份公司 | Sewage treatment process for coal pyrolysis |
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