CN107159702A - Rotary kiln type thermal desorption burning integral organic pollution soil repair system - Google Patents
Rotary kiln type thermal desorption burning integral organic pollution soil repair system Download PDFInfo
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- CN107159702A CN107159702A CN201710568372.8A CN201710568372A CN107159702A CN 107159702 A CN107159702 A CN 107159702A CN 201710568372 A CN201710568372 A CN 201710568372A CN 107159702 A CN107159702 A CN 107159702A
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- rotary kiln
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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
- B09C1/06—Reclamation of contaminated soil thermally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
A kind of rotary kiln type thermal desorption burning integral organic pollution soil repair system, including soil pretreatment system, feed system, pyrolysis desorption system and exhaust treatment system, the feeding-in solid body mouthful that contaminated soil pretreatment system is pyrolyzed desorption system by feed system and rotary kiln type is connected；The gas discharge mouthful of rotary kiln type pyrolysis endothermic desorption system is connected by pipeline with the import of exhaust treatment system；It is characterised by：Described contaminated soil pretreatment system includes breaker and screening plant, described feed system includes Moveable belt conveyer, feed hopper and revolving plow reclaimer, the import of the discharging opening, feed hopper of the two ends difference contaminated soil pretreatment system of Moveable belt conveyer is connected, and the outlet through feed hopper is connected with revolving plow reclaimer；The feeding-in solid body mouthful that the revolving plow reclaimer is pyrolyzed desorption system with rotary kiln type is connected；Contaminated soil realizes thermal desorption in the rotary kiln of configuration gas burner system, and vapour is directed to air exhausting device after adsorption treatment；Processed rehabilitating soil particle after cooling is after detection is qualified from rotary kiln discharge.
Description
Technical field
The present invention relates to technical field of soil remediation, especially a kind of rotary kiln type thermal desorption burning integral organic contamination
Soil repair system, belongs to Organically-pollutedsoil soil remediation method or prosthetic device field.
Background technology
Industrialized develop rapidly highlights problem of environmental pollution for the survival of mankind, various present environmental risks it is useless
The unreasonable disposal of gurry causes the pollution of soil and groundwater.The pollution of soil has disguised and is difficult to Reversibility etc. special
Point, not only can directly or indirectly be detrimental to health, and also result in other many environmental problems.Soil is caused harm at present
Pollutant can be divided into four classes by its property：Organic pollution, heavy metal contaminants, radioactive material contamination thing and the micro- life of cause of disease
The place of thing pollutant, wherein organic pollution and heavy metal pollution and its combined pollution is relatively common.According to the World Bank 2010
Year issue《The As-Is analysis of the reparation and redevelopment of Chinese contaminated site》Claim, move the field left in industrial enterprise in recent years
There is 3/5 to there is more serious organic contamination in ground, it is administered repair and is faced with serious challenge, vacated after most of resettlements
Place be all badly in need of the conversion and secondary development of function.The polluted soil in these places turns into " Chemical Time Bomb ", sternly
Health and Environmental security are threatened again, have become current soil environment problem in the urgent need to address.
For many years much have lofty ideals for the researchers for solving this problem or unit to solve this soil contamination problem
Propose some technical schemes.It is that current some units solution soil has using rotary kiln technology, by thermal desorption recovery technique
The more usual technical scheme of machine damage ratio.By directly or indirectly heating in specific equipment, by pollution medium and its contained
Organic pollution be heated to enough temperature (being typically heated to 150~540 DEG C), make organic pollution from solid phase soil
The process for being transferred to gas phase and evaporating it, vapor phase contaminants are handled by way of burning or condensation adsorption again, up to standard
After discharge.Pyrolysis adsorption technology is generally divided into Low Temperature Thermal desorption (150~315 DEG C) and high temperature pyrolysis inhales (315~540 DEG C), processing
Pollutant scope it is wide, including low-boiling point material, high boiling substance such as petroleum hydrocarbon, agricultural chemicals, polycyclic aromatic hydrocarbon etc..
Chinese patent literature CN104785512B and Chinese patent literature CN105983571A disclose two kinds to Polluted Soil
The technical scheme that earth is repaired.
Thermal desorption equipment conventional at present is generally traditional rotary kiln type equipment, its gas exported and the soil moisture compared with
Height, close to the DIE Temperature of heating.The soil moisture after waste gas and processing is too high, has not only taken away substantial amounts of heat, has caused energy
Source is wasted, and is subsequently also needed to increase corresponding cooling device, is improved the cost of processing system.Although having some technical schemes and setting
Meter adds waste heat recovery and utilizes device, but complicated shortage onsite application value mostly.
The content of the invention
The purpose of the present invention：It is intended to for above-mentioned the deficiencies in the prior art there is provided a kind of organic pollution soil repair system,
Using direct-fired mode, formed respectively in rotary kiln type kiln soil preheating and waste gas cooling zone, high temperature pyrolysis inhale area,
Gas is preheated and soil cooling zone；The system has the features such as simple in construction, energy consumption is low, desorption efficiency is high, can be achieved to organic
The efficient reparation of contaminated soil.The gas containing organic pollution isolated, most of combustion decomposition direct in kiln, on a small quantity
Enter exhaust treatment system with flue dust, through handle it is up to standard after discharge.
To achieve the above object, the present invention is adopted the following technical scheme that：
This rotary kiln type thermal desorption burning integral organic pollution soil repair system, including contaminated soil pretreatment system
System, feed system, rotary kiln type pyrolysis desorption system and exhaust treatment system, one end of described rotary kiln type pyrolysis desorption system are set
There are feeding-in solid body mouthful and gas discharging opening, the other end is provided with solid outlet and combustor connector；Contaminated soil pretreatment system
The feeding-in solid body mouthful that system is pyrolyzed desorption system by feed system and rotary kiln type is connected；The gas of rotary kiln type pyrolysis desorption system goes out
Material mouth is connected by pipeline with the import of exhaust treatment system；It is characterized in that：Described contaminated soil pretreatment system includes
Breaker and screening plant so that contaminated soil is small less than 20%, particle diameter into humidity after pretreatment through air-dried, broken, screening
In 20mm particle；Described feed system includes Moveable belt conveyer, feed hopper and revolving plow reclaimer, packaged type
One end of belt conveyor is connected with the discharging opening of contaminated soil pretreatment system, and the other end is connected with the import of feed hopper, and
Outlet through feed hopper is connected with the charging aperture of revolving plow reclaimer；The outlet of the revolving plow reclaimer and rotary kiln type thermal desorption system
The feeding-in solid body mouthful of system is connected；Rotary kiln of the contaminated soil in configuration gas burner system of desorption system is pyrolyzed into rotary kiln type
Inside realize that thermal desorption, vapour are directed to air draft dress after being handled through cyclone dust removal, bag-type dust and charcoal absorption through air-introduced machine
Put；Processed rehabilitating soil particle after cooling, from rotary kiln discharge after detection is qualified；It is achieved in organic polluted soil
The overall process of thermal desorption processing.
The fuel gas buring that described rotary kiln type pyrolysis desorption system is improved rotary kiln type body of heater and is matched with body of heater
The combination unit of machine, two groups of rollers and two foundation bases that described kiln body includes cylinder and is arranged on below cylinder, the cylinder
Body is with 3 ° of placements of horizontal tilt, and cylinder two ends are respectively arranged with kiln tail seal, kiln hood seal；Centre on described cylinder
Position is arranged with bull gear in the middle part of a bull gear and three wheel belt, the cylinder using a foundation base as pedestal, described base
The drive device for driving bull gear to rotate is provided with seat；Two fixations in three described wheel belt be set in kiln tail and
Between in bull gear, a fixation is set between bull gear and kiln hood, each below two wheel belt therein to set one group and cylinder
The vertical one group of support roller of body radial direction, the bottom of another wheel belt is provided with a foundation base；Two groups of described support rollers constitute whole pyrolysis
Load bearing support when desorption system is moved.
Residence time of the organic polluted soil of described rotary kiln type pyrolysis desorption system in cylinder is fed by impeller
The rotating speed of machine, the change of the rotating speed for the rotary kiln being controlled by the drive unit and whole kiln body angle of inclination and be adjusted.
Described pyrolysis desorption system is using liquefied petroleum gas or natural gas as heating energy source, using direct-fired mode, combustion
Gas is connected to gas burner system by flexible pipe, and the jet burner of gas burner system front end extend into furnace interior from kiln hood.
The cyclone dust collectors two ends are connected with being pyrolyzed the gas discharge mouthful and sack cleaner of desorption system respectively.
The absorbent charcoal adsorber two ends are connected with sack cleaner and air-introduced machine respectively.
The air-introduced machine two ends are connected with absorbent charcoal adsorber and exhaust apparatus respectively, are provided with before described air-introduced machine
One turnover plate type valve, capacity for wind is controlled with exhaust apparatus together.
Described drum speed is 0~10r/min.
The present invention compared with prior art, with advantages below and effect：
1st, the temperature that rotary kiln high temperature pyrolysis inhales area is 150~550 DEG C, can be adjusted according to the organism kinds of contaminated soil
Suitable thermal desorption temperature, the organic pollution in contaminated soil is thoroughly removed, reach soil remediation with minimum energy consumption
Purpose.
2nd, polluted soil enters in kiln body, and burned flame is directly heated, the big portion of the organic pollution desorbed
Divide and discharged with flue gas, directly burnt at flame on a small quantity.
3rd, the discharging opening gas temperature of pyrolysis desorption system is 105~150 DEG C, discharging opening solid temperature<100 DEG C, it is not required to volume
The cooling device of outer increase gas and solid, reduces the thermal losses of discharging gas and solid, and the thermal efficiency is high, energy consumption is low.
4th, device mobility is good, convenient transfer in the venue with intersite.
Brief description of the drawings
Fig. 1 is process flow diagram of the invention；
Fig. 2 is structured flowchart of the invention；
Fig. 3 is the structural representation for being pyrolyzed desorption system of the invention.
In figure：1- soil breaking device 2- screening plant 3- Moveable belt conveyer 4- feed hopper 5- impellers are given
Material machine 6- rotary kiln type thermal desorption device 7- soil discharge device 8- combustion gas 9- gas burner system device 10- cyclone dust removals
Device 11- sack cleaner 12- absorbent charcoal adsorber 13- air-introduced machine 14- gas discharging apparatus 15- feeding-in solid bodies mouthful 16-
Gas discharge mouth does not wrap 17- kiln hood seal 18- cylinder 19- wheel belt 20- wheel 21- gear wheels 22- basis 23- and consolidated
Body discharging opening 24- gas burner system 25- thermocouple temperature sensor 26- burner 27- drive devices.
Embodiment
The present invention is expanded on further below in conjunction with Figure of description, and provides embodiments of the invention.
This rotary kiln type thermal desorption burning integral organic pollution soil repair system, including soil pretreatment system,
Feed system, rotary kiln type pyrolysis desorption system and exhaust treatment system, one end of described rotary kiln type pyrolysis desorption system are provided with
Feeding-in solid body mouthful and gas discharging opening, the other end are provided with solid outlet and combustor connector；Contaminated soil pretreatment system
The feeding-in solid body mouthful for being pyrolyzed desorption system by feed system and rotary kiln type is connected；Rotary kiln type is pyrolyzed the gas discharge of desorption system
Mouth is connected by pipeline with the import of exhaust treatment system；It is characterized in that：Described contaminated soil pretreatment system includes broken
Crushing device 1 and screening plant 2 so that contaminated soil is small less than 20%, particle diameter into humidity after pretreatment through air-dried, broken, screening
In 20mm particle；Described feed system includes Moveable belt conveyer 3, feed hopper 4 and revolving plow reclaimer 5, removable
One end of dynamic formula belt conveyor 3 is connected with the discharging opening of contaminated soil pretreatment system, the import phase of the other end and feed hopper 4
Connect, and the outlet through feed hopper 4 is connected with the charging aperture of revolving plow reclaimer 5；The outlet of the revolving plow reclaimer 5 and rotary kiln type
The feeding-in solid body mouthful for being pyrolyzed desorption system is connected；The contaminated soil of desorption system is pyrolyzed in configuration gas burner system into rotary kiln type
Realize thermal desorption, gaseous contaminant after being handled through cyclone dust removal, bag-type dust and charcoal absorption through air-introduced machine in 9 rotary kiln
It is directed to air exhausting device；Processed rehabilitating soil particle after cooling, from rotary kiln discharge after detection is qualified；It is achieved in
The overall process of organic polluted soil thermal desorption processing.
The fuel gas buring that described rotary kiln type pyrolysis desorption system is improved rotary kiln type body of heater and is matched with body of heater
The combination unit of machine 24, two groups of rollers 20 and two foundation bases that described kiln body includes cylinder 18 and is arranged on below cylinder
22, the cylinder 18 is with 3 ° of placements of horizontal tilt, and the two ends of cylinder 18 are respectively arranged with kiln tail seal, kiln hood seal；It is described
Cylinder 18 on middle part be arranged with bull gear 21 in the middle part of a bull gear 21 and three wheel belt 19, the cylinder with one
Foundation base 22 is that the drive device 27 for driving bull gear to rotate is provided with pedestal, described pedestal；Three described wheels
Between being set in two fixations in 19 21 in kiln tail and bull gear, a fixation is set between bull gear 21 and kiln hood,
The lower section of two wheel belt 19 therein is each to set one group of one group of support roller 20 vertical with cylinder radial direction, and the bottom of another wheel belt is provided with one
Foundation base 22；Two groups of described support rollers constitute load bearing support during whole pyrolysis desorption system movement.
Residence time of the organic polluted soil of described rotary kiln type pyrolysis desorption system in cylinder is fed by impeller
The rotating speed of machine 5, device driven 27 control the rotating speed of rotary kiln and the change at whole kiln body angle of inclination and be adjusted.
Described pyrolysis desorption system is using liquefied petroleum gas or natural gas as heating energy source, using direct-fired mode, combustion
Gas is connected to gas burner system 9 by flexible pipe, and the jet burner 26 of the front end of gas burner system 9 extend into furnace interior from kiln hood.
The main size by gas burner system jet amount of temperature of the pyrolysis desorption system is controlled, and high temperature pyrolysis inhales the position in area by jet
Position of the burner in body of heater determines that the temperature of discharging opening solid and gas is adjusted control by both of the above jointly.
The two ends of cyclone dust collectors 10 are connected with being pyrolyzed the gas discharge mouthful and sack cleaner of desorption system respectively.
The two ends of absorbent charcoal adsorber 12 are connected with sack cleaner 11 and air-introduced machine 13 respectively.
The two ends of air-introduced machine 13 are connected with absorbent charcoal adsorber 12 and exhaust apparatus 14 respectively, described air-introduced machine 13
Before provided with a turnover plate type valve, capacity for wind is controlled together with exhaust apparatus.
Described drum speed is 0~10r/min.
This rotary kiln type thermal desorption burning integral organic pollution soil repair system as depicted, its operation principle
It is as follows：
Combustor burner makes one middle part high-temperature region of whole body of heater formation and two is distributed in furnace interior jet combustion
Low-temperature space (the position referred to as preheating zone being connected with revolving plow reclaimer, cyclone dust collectors of high-temperature region both sides；With soil after reparation
The position referred to as cooling zone that earth discharge position is mutually connected)；Organic polluted soil enters in body of heater from kiln hood, pre- by hot-air
Heat, the relatively low pollutant of boiling point is just desorbed in this stage from soil, is volatized into air；With the rotation of kiln,
Contaminated soil migrates to middle part high-temperature region, controls high-temperature region temperature to be boiled higher than target contaminant by adjusting combustor jet amount
Point, while by adjusting kiln body inclination angle and rotating speed, making contaminated soil have enough residence times in high-temperature region, pollutant is in this rank
Section is desorbed from soil completely, is all volatized into air；Pollutant in air is processed in exhaust treatment system
Purification；Fresh air in kiln body is entered with supplement in the low-temperature space of kiln tail by the soil of high-temperature region and produces heat exchange, air is added
Heat, soil is cooled.So far, the pollutant in organic polluted soil is completely removed.
Because the bottom of the rotary kiln type thermal desorption burning integral organic pollution soil repair system is provided with two groups of wheels,
Therefore the system can arbitrarily be migrated in disposal field.
Above is the basic embodiment that the applicant provides according to the technical program, every others skilled in the art person's foundation
The improvement that this core intention is proposed, all should belong to the protection category of the present invention.
Claims (8)
1. a kind of rotary kiln type thermal desorption burning integral organic pollution soil repair system, including soil pretreatment system, enter
Material system, pyrolysis desorption system and exhaust treatment system, one end of described pyrolysis desorption system go out provided with feeding-in solid body mouthful and gas
Material mouth, the other end is provided with solid outlet and combustor connector；Contaminated soil pretreatment system passes through feed system and revolution
The feeding-in solid body mouthful of kiln formula pyrolysis desorption system is connected；The gas discharge mouthful of rotary kiln type pyrolysis endothermic desorption system by pipeline with
The import of exhaust treatment system is connected；It is characterized in that：Described contaminated soil pretreatment system includes breaker (1) and sieve
Separating device (2) so that contaminated soil is less than 20%, particle diameter into humidity through air-dried, broken, screening, after pretreatment and is less than 20mm's
Particle；Described feed system includes Moveable belt conveyer (3), feed hopper (4) and revolving plow reclaimer (5), may move
One end of formula belt conveyor (3) is connected with the discharging opening of contaminated soil pretreatment system, the import of the other end and feed hopper (4)
It is connected, and the outlet through feed hopper (4) is connected with the charging aperture of revolving plow reclaimer (5)；The outlet of the revolving plow reclaimer (5) with
The feeding-in solid body mouthful of rotary kiln type pyrolysis desorption system is connected；The contaminated soil for being pyrolyzed desorption system into rotary kiln type fires in configuration
Realize that thermal desorption, vapour are passed through after being handled through cyclone dust removal, bag-type dust and charcoal absorption in the rotary kiln of gas combustor (9)
Air-introduced machine is directed to air exhausting device；Processed rehabilitating soil particle after cooling, from rotary kiln discharge after detection is qualified；By
This realizes the overall process of organic polluted soil thermal desorption.
2. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：The gas burner system that described rotary kiln type pyrolysis desorption system is improved rotary kiln type body of heater and is matched with body of heater
(24), described kiln body includes cylinder (18) and the two groups of rollers (20) and two foundation bases (22) that are arranged on below cylinder, institute
Cylinder (18) is stated with 3 ° of placements of horizontal tilt, cylinder (18) two ends are respectively arranged with kiln tail seal, kiln hood seal；Described
Middle part is arranged with the bull gear (21) in the middle part of a bull gear (21) and three wheel belt (19), the cylinder on cylinder (18)
With a foundation base (22) for pedestal, the drive mechanism (27) for driving bull gear to rotate is provided with described pedestal；It is described
Three wheel belt (19) in two fixations be set in kiln tail and bull gear between (21), a fixation is set in bull gear
(21) it is each below two wheel belt (19) therein that one group of one group of support roller (20) vertical with cylinder radial direction is set between kiln hood, separately
The bottom of one wheel belt is provided with a foundation base (22)；Two groups of described support rollers constitute load-bearing during whole pyrolysis desorption system movement
Support.
3. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Residence time of the organic polluted soil of described rotary kiln type pyrolysis desorption system in cylinder passes through revolving plow reclaimer 5
Rotating speed, device driven 27 control the rotating speed of rotary kiln and the change at whole kiln body angle of inclination and be adjusted.
4. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Described pyrolysis desorption system is using liquefied petroleum gas or natural gas as heating energy source, and using direct-fired mode, combustion gas passes through
Flexible pipe is connected to gas burner system (9), and the jet burner (26) of gas burner system (9) front end extend into furnace interior from kiln hood.
5. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Cyclone dust collectors (10) two ends are connected with being pyrolyzed the gas discharge mouthful and sack cleaner (11) of desorption system respectively.
6. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Absorbent charcoal adsorber (12) two ends are connected with sack cleaner (11) and air-introduced machine (13) respectively.
7. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Air-introduced machine (13) two ends are connected with absorbent charcoal adsorber (12) and exhaust apparatus (14) respectively, described air-introduced machine
(13) provided with a turnover plate type valve before, capacity for wind is controlled together with exhaust apparatus.
8. rotary kiln type thermal desorption burning integral organic pollution soil repair system as claimed in claim 1, its feature exists
In：Described drum speed is 0~10r/min.
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| CN201710568372.8A CN107159702A (en) | 2017-07-13 | 2017-07-13 | Rotary kiln type thermal desorption burning integral organic pollution soil repair system |
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| CN108326028A (en) * | 2018-02-13 | 2018-07-27 | 浙江宜可欧环保科技有限公司 | The anhydrous spray process method of pyrolysis gas in pyrolysis device and pyrolysis device without water spray |
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| CN110180880A (en) * | 2019-05-31 | 2019-08-30 | 中国科学院生态环境研究中心 | A kind of soil heterotopic hot repair apparatus for coating |
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| CN112872008A (en) * | 2021-02-25 | 2021-06-01 | 生态环境部南京环境科学研究所 | Device and method for co-processing and repairing organochlorine pesticide polluted industrial site by cement kiln |
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| CN110548759A (en) * | 2019-08-30 | 2019-12-10 | 湖南恒凯环保科技投资有限公司 | rotary thermal desorption kiln, device and process for thermal desorption of organic contaminated soil |
| CN110449452A (en) * | 2019-09-12 | 2019-11-15 | 秦皇岛开发区春光铸造机械有限公司 | A kind of device and method of continuous internal-combustion mode renovation of organic pollution soil |
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
| CN111822497B (en) * | 2020-07-30 | 2024-02-06 | 广东佳德环保科技有限公司 | Repairing device system and method for soil organic matter and heavy metal pollution |
| CN112139230A (en) * | 2020-09-01 | 2020-12-29 | 苏州市环科环保技术发展有限公司 | Thermal desorption soil remediation method |
| CN112872008A (en) * | 2021-02-25 | 2021-06-01 | 生态环境部南京环境科学研究所 | Device and method for co-processing and repairing organochlorine pesticide polluted industrial site by cement kiln |
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Application publication date: 20170915 |