CN105920964B - A kind of electroplating industry waste gas Waste Water Treatment - Google Patents
A kind of electroplating industry waste gas Waste Water Treatment Download PDFInfo
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- CN105920964B CN105920964B CN201610448472.2A CN201610448472A CN105920964B CN 105920964 B CN105920964 B CN 105920964B CN 201610448472 A CN201610448472 A CN 201610448472A CN 105920964 B CN105920964 B CN 105920964B
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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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- B01D2258/025—Other waste gases from metallurgy plants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Abstract
The invention discloses a kind of electroplating industry waste gas Waste Water Treatment, including：Two parts of exhaust-gas treatment and wastewater treatment, suspended hood is provided with plating workplace upper end, suspended hood is cover body structure, and there is provided suspended hood air outlet slit, and exhaust piping is connected with by suspended hood air outlet slit, valve mechanism is provided with plating workplace lower end, discharge of wastewater pipeline is connected to by valve, the invention enables the exhaust-gas treatment of electroplating industry is complete, meets discharging standards, and the discharge of heavy metal ion meets national standard, improves environmental quality.
Description
Technical field
The present invention relates to field of Environment Protection, more particularly to a kind of electroplating industry waste gas Waste Water Treatment.
Background technology
Electroplating industry is current important processing industry, can change the chemical-physical parameters of workpiece surface, and plating is main
The industries such as electronics, machine manufacture, instrument, aviation are concentrated on, workpieces processing is placed in corresponding chemical electrolysis liquid tank so that
Workpiece surface forms electrodeposited coating, but electroplating industry is also high consumption, high pollution industry, and sour gas can be produced in electroplating process
Body, organic exhaust gas and heavy metal waste gas, if directly discharged, air can be polluted, and many plating of electroplating process weight
Plurality of heavy metal industrial wastewater is contained in aqueous wash liquid, the inside, and heavy metal has at a relatively high stability in water body and is difficult to drop
Solution, accumulation produce serious harm to fish, shrimps and other water plants to a certain extent.
The scope of the enterprise of existing electroplating industry is small, be all processing and supporting enterprise, it is large number of, to environmental protection it is difficult to
It is up to standard, and environmental administration is difficult overall monitor, therefore, the invention provides a kind of electroplating industry waste gas wastewater treatment system
System so that waste gas and good waste water treatment effect, floor space is small, and electroplating industry environmental protection environment is improved.
The content of the invention
, can be effective the present invention solves the technical problem of a kind of electroplating industry waste gas Waste Water Treatment is provided
Plating waste gas waste water is removed, and waste gas absorption efficiency high, waste liquid heavy metals removal are complete.
A kind of described electroplating industry waste gas Waste Water Treatment, including：Two compositions of exhaust-gas treatment and wastewater treatment
Part, suspended hood is provided with plating workplace upper end, suspended hood is cover body structure, there is provided suspended hood air outlet slit, is passed through
Suspended hood air outlet slit is connected with exhaust piping, is provided with valve mechanism in plating workplace lower end, is connected to by valve useless
Water discharge spout road.
By suspended hood air outlet slit, waste gas enters filter, and big solid particle polluter is removed, useless after removal
Gas enters heat exchanger by pipeline, and heat exchanger lower end is understructure, and heat exchanger includes housing and internal cavities, internally cavity
Interior to be provided with flow distribution plate, heat exchanger uses Horizontal Cylinder structure, on heat exchangers there is provided exhaust gas inlet, waste gas outlet, and
And connection is provided with two cooling water circulation mouths, cooling water circulation mouth is used to cool to waste gas, and waste gas is logical from waste gas outlet discharge
Piping enters scrubbing tower.
Scrubbing tower uses vertical structure of column scrubber, and scrubbing tower is spraying layer, packing layer and bottom water tank successively from top to bottom,
Pall ring filler is provided with packing layer, packing layer and water tank are separated by dividing plate, and are set at the top of described packing layer
Mouth spray is put, mouth spray is connected with shower, and the spray tube portion inside scrubbing tower is provided with spray head, outside scrubbing tower
The shower lower end in portion is connected with suction pump, turns into a loop structure by water pump power shower.
Dosing mouth is provided with washing tower side wall simultaneously, for adding the medicine body of adjustment water tank concentration, more conducively waste gas
Absorption.
Waste gas outlet is provided with the top of scrubbing tower, waste gas enters Dry Absorber from scrubbing tower outlet, dries absorption
Device uses horizontal cylinder structure, and Dry Absorber is divided into two parts of activated carbon adsorption layer and film process unit, a kind of preferred skill
Art scheme, in order that the rigidity of Dry Absorber to the further absorption of waste gas, must be improved, in activated carbon adsorption layer and film process
Diaphragm structure is provided between unit.
Exhaust chimney is entered by the waste gas of Dry Absorber, exhaust chimney uses column structure, a kind of optimization technique
Scheme, is provided with rainhat on described exhaust chimney top, prevents leak from leaking, and polypropylene is provided with exhaust chimney lower end
Blower fan, waste gas is discharged from exhaust chimney by the power of polypropylene blower fan.
In order to ensure that waste gas discharges quality, air detection instrument is provided with described exhaust chimney upper end, for the row of detection
Go out air quality.
Discharge of wastewater pipeline is connected to pretreatment pool, and fence structure is set on pretreatment pool, and the suspension in waste water is miscellaneous
Matter and colloid are first filtered, and by pipeline, waste water enters wastewater collection pond by anticipating pond, is used in wastewater collection pond
Photochemical catalyst carries out exterminating bacterium processing.
A kind of optimization technique puts case, is provided with two ultraviolet sterilizers in described wastewater collection pond, sterilizer is selected
Wavelength is 254mm, kills the bacterium in waste water.
Waste water after sterilization, pond being adjusted into PH, NAOH is added in PH adjustment pond, PH is between 9-10 for regulation,
Waste water after PH is adjusted, sedimentation basin is entered, and add aluminium chloride, contact break agent and flocculation aid so that in waste water
Heavy metal precipitation get off, then into intermediate filtered pond, by the waste water in intermediate filtered pond, enter anaerobic pond, anaerobism
Reaction tank uses concrete structure, and most of organic matter in waste water is carried out into anaerobic digestion using anaerobes such as methane backerias,
Difficult decompose in sewage is changed into labile dissolved organic matter with non-solubility organic matter simultaneously, given up in anaerobic reation pool
Water enters aerobic biochemical pool by pipeline, and aerobic biochemical pool uses concrete structure, the connecting fan in aerobic biochemical pool, together
Shi Liyong aerobic microbiologicals decomposing organic matter produces carbon dioxide and water, while cultivates nitrifier with the ammonia nitrogen in Decomposition Wastewater,
Nitrate nitrogen is converted into, the waste water of aerobic biochemical pool after charcoal absorption, water softener is entered, aerobic biochemical
Water softening in pond, the waste water after softening enter cartridge filter, and by filtering, water quality holding vessel, water quality storage are put into after filtering
The water for depositing tank carries out industrial production line recycling.
The beneficial effects of the invention are as follows：The invention enables the exhaust-gas treatment of electroplating industry is complete, meet discharging standards,
And the discharge of heavy metal ion meets national standard, improves environmental quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electroplating industry waste gas Waste Water Treatment of the present invention；
The mark of each part is as follows in accompanying drawing：
1 is plating workplace, and 101 be suspended hood, and 201 be heat exchanger, and 3 be scrubbing tower, and 301 be shower, and 302 draw water
Pump, 303 be packing layer, and 304 be water tank, and 4 be Dry Absorber, and 401 be film process unit, and 402 be activated carbon adsorption layer, and 5 are
Polypropylene blower fan, 6 be exhaust chimney, and 7 be filter, and 8 be pretreatment pool, and 9 be wastewater collection pond, and 10 be that PH adjusts pond, and 11 are
Sedimentation basin, 12 be intermediate filtered pond, and 13 be anaerobic pond, and 14 be aerobic biochemical pool, and 15 be softening pond, and 16 be cartridge filter.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of described electroplating industry waste gas Waste Water Treatment, including：Two compositions of exhaust-gas treatment and wastewater treatment
Part, suspended hood is provided with plating workplace upper end, suspended hood is cover body structure, there is provided suspended hood air outlet slit, is passed through
Suspended hood air outlet slit is connected with exhaust piping, is provided with valve mechanism in plating workplace lower end, is connected to by valve useless
Water discharge spout road.
By suspended hood air outlet slit, waste gas enters filter, and big solid particle polluter is removed, useless after removal
Gas enters heat exchanger by pipeline, and heat exchanger lower end is understructure, and heat exchanger includes housing and internal cavities, internally cavity
Interior to be provided with flow distribution plate, heat exchanger uses Horizontal Cylinder structure, on heat exchangers there is provided exhaust gas inlet, waste gas outlet, and
And connection is provided with two cooling water circulation mouths, cooling water circulation mouth is used to cool to waste gas, and waste gas is logical from waste gas outlet discharge
Piping enters scrubbing tower.
Scrubbing tower uses vertical structure of column scrubber, and scrubbing tower is spraying layer, packing layer and bottom water tank successively from top to bottom,
Pall ring filler is provided with packing layer, packing layer and water tank are separated by dividing plate, and are set at the top of described packing layer
Mouth spray is put, mouth spray is connected with shower, and the spray tube portion inside scrubbing tower is provided with spray head, outside scrubbing tower
The shower lower end in portion is connected with suction pump, turns into a loop structure by water pump power shower.
Dosing mouth is provided with washing tower side wall simultaneously, for adding the medicine body of adjustment water tank concentration, more conducively waste gas
Absorption.
Waste gas outlet is provided with the top of scrubbing tower, waste gas enters Dry Absorber from scrubbing tower outlet, dries absorption
Device uses horizontal cylinder structure, and Dry Absorber is divided into two parts of activated carbon adsorption layer and film process unit, a kind of preferred skill
Art scheme, in order that the rigidity of Dry Absorber to the further absorption of waste gas, must be improved, in activated carbon adsorption layer and film process
Diaphragm structure is provided between unit.
Exhaust chimney is entered by the waste gas of Dry Absorber, exhaust chimney uses column structure, a kind of optimization technique
Scheme, is provided with rainhat on described exhaust chimney top, prevents leak from leaking, and polypropylene is provided with exhaust chimney lower end
Blower fan, waste gas is discharged from exhaust chimney by the power of polypropylene blower fan.
In order to ensure that waste gas discharges quality, air detection instrument is provided with described exhaust chimney upper end, for the row of detection
Go out air quality.
Discharge of wastewater pipeline is connected to pretreatment pool, and fence structure is set on pretreatment pool, and the suspension in waste water is miscellaneous
Matter and colloid are first filtered, and by pipeline, waste water enters wastewater collection pond by anticipating pond, is used in wastewater collection pond
Photochemical catalyst carries out exterminating bacterium processing.
A kind of optimization technique puts case, is provided with two ultraviolet sterilizers in described wastewater collection pond, sterilizer is selected
Wavelength is 254mm, kills the bacterium in waste water.
Waste water after sterilization, pond being adjusted into PH, NAOH is added in PH adjustment pond, PH is between 9-10 for regulation,
Waste water after PH is adjusted, sedimentation basin is entered, and add aluminium chloride, contact break agent and flocculation aid so that in waste water
Heavy metal precipitation get off, then into intermediate filtered pond, by the waste water in intermediate filtered pond, enter anaerobic pond, anaerobism
Reaction tank uses concrete structure, and most of organic matter in waste water is carried out into anaerobic digestion using anaerobes such as methane backerias,
Difficult decompose in sewage is changed into labile dissolved organic matter with non-solubility organic matter simultaneously, given up in anaerobic reation pool
Water enters aerobic biochemical pool by pipeline, and aerobic biochemical pool uses concrete structure, the connecting fan in aerobic biochemical pool, together
Shi Liyong aerobic microbiologicals decomposing organic matter produces carbon dioxide and water, while cultivates nitrifier with the ammonia nitrogen in Decomposition Wastewater,
Nitrate nitrogen is converted into, the waste water of aerobic biochemical pool after charcoal absorption, water softener is entered, aerobic biochemical
Water softening in pond, the waste water after softening enter cartridge filter, and by filtering, water quality holding vessel, water quality storage are put into after filtering
The water for depositing tank carries out industrial production line recycling.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (4)
- A kind of 1. electroplating industry waste gas Waste Water Treatment, it is characterised in that including：Two groups of exhaust-gas treatment and wastewater treatment Into part, suspended hood is provided with plating workplace upper end, suspended hood is cover body structure, and there is provided suspended hood air outlet slit, leads to Cross suspended hood air outlet slit and be connected with exhaust piping, be provided with valve mechanism in plating workplace lower end, be connected to by valve Discharge of wastewater pipeline, by suspended hood air outlet slit, waste gas enters filter, and solid particle polluter is removed, after removal Waste gas enters heat exchanger by pipeline, and heat exchanger lower end is understructure, and heat exchanger includes housing and internal cavities, empty internally Intracavitary is provided with flow distribution plate, and heat exchanger uses Horizontal Cylinder structure, on heat exchangers there is provided exhaust gas inlet, waste gas outlet, And connect and be provided with two cooling water circulation mouths, waste gas is discharged from waste gas outlet and enters scrubbing tower, scrubbing tower by pipeline Using vertical structure of column scrubber, scrubbing tower is spraying layer, packing layer and bottom water tank successively from top to bottom, is set in packing layer Pall ring filler, packing layer and water tank are separated by dividing plate, and are provided with mouth spray at the top of packing layer, mouth spray connection There is shower, the spray tube portion inside scrubbing tower is provided with spray head, and the shower lower end outside scrubbing tower is connected with Suction pump, a loop structure is turned into by water pump power shower, while dosing mouth is provided with washing tower side wall, Waste gas outlet is provided with the top of scrubbing tower, waste gas enters Dry Absorber, Dry Absorber from the waste gas outlet of scrubbing tower Using horizontal cylinder structure, Dry Absorber is divided into two parts of activated carbon adsorption layer and film process unit, is adsorbed by drying The waste gas of device enters exhaust chimney, and exhaust chimney uses column structure, in order to ensure that waste gas discharges quality, in described exhaust Upper chimney end is provided with air detection instrument, and discharge of wastewater pipeline is connected to pretreatment pool, fence structure is set on pretreatment pool, Suspended impurity in waste water and colloid are first filtered, by pipeline, waste water enters wastewater collection pond by anticipating pond, Exterminating bacterium processing is carried out using photochemical catalyst in wastewater collection pond, the waste water after sterilization, pond is adjusted into pH, is adjusted in pH NaOH is added in whole pond, pH is between 9-10 for regulation, the waste water after pH is adjusted, enters sedimentation basin, and add alkali formula Aluminium chloride, contact break agent and flocculation aid so that the heavy metal precipitation in waste water gets off, then into intermediate filtered pond, in Between filtering ponds waste water, enter anaerobic pond, anaerobic reation pool uses concrete structure, will be useless using methane backeria anaerobe Most of organic matter carries out anaerobic digestion in water, while difficult decompose in sewage is changed into easy decomposition with non-solubility organic matter Dissolved organic matter, waste water enters aerobic biochemical pool by pipeline in anaerobic reation pool, and aerobic biochemical pool uses concrete Structure, the connecting fan in aerobic biochemical pool, while carbon dioxide and water are produced using aerobic microbiological decomposing organic matter, simultaneously Nitrifier is cultivated with the ammonia nitrogen in Decomposition Wastewater, nitrate nitrogen is converted into, the waste water of aerobic biochemical pool is passed through charcoal absorption Afterwards, water softener is entered, the water in aerobic biochemical pool is softened, the waste water after softening enters cartridge filter, passed through Filter, is put into water quality holding vessel after filtering, the water of water quality holding vessel carries out industrial production line recycling.
- 2. a kind of electroplating industry waste gas Waste Water Treatment according to claim 1, it is characterised in that in order that must be right The further absorption of waste gas, improve the rigidity of Dry Absorber, between activated carbon adsorption layer and film process unit be provided with every Harden structure.
- 3. a kind of electroplating industry waste gas Waste Water Treatment according to claim 1, it is characterised in that in exhaust chimney Top is provided with rainhat, prevents leak from leaking, and polypropylene blower fan is provided with exhaust chimney lower end, by polypropylene blower fan Power discharges waste gas from exhaust chimney.
- 4. a kind of electroplating industry waste gas Waste Water Treatment according to claim 1, it is characterised in that in wastewater collection Pond is provided with two ultraviolet sterilizers.
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| CN201610448472.2A CN105920964B (en) | 2016-06-21 | 2016-06-21 | A kind of electroplating industry waste gas Waste Water Treatment |
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| CN105920964B true CN105920964B (en) | 2017-12-19 |
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| CN106630263A (en) * | 2016-11-25 | 2017-05-10 | 湖州山海环保工程有限公司 | Efficient treatment equipment of sewage and waste gas |
| CN107337310A (en) * | 2017-06-13 | 2017-11-10 | 河南龙成煤高效技术应用有限公司 | A kind of process system by the use of industrial wastewater as cooling circulation and biochemical moisturizing |
| CN108786414A (en) * | 2018-05-08 | 2018-11-13 | 太仓市勤红防腐设备有限公司 | A kind of electroplating workshop waste water,waste gas and industrial residue processing system |
| CN112062395A (en) * | 2020-08-27 | 2020-12-11 | 盐城工学院 | Industrial waste gas and wastewater photocatalytic oxidation treatment system and method |
| CN112504962B (en) * | 2020-12-04 | 2022-09-20 | 江苏源泉智能装备科技有限公司 | Portable electroplating workshop chromic acid fog automatic checkout device |
| CN117463111B (en) * | 2023-12-28 | 2024-03-05 | 山西格瑞思科技有限公司 | CO (carbon monoxide) 2 Gas separation apparatus and method of use thereof |
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| CN101732966A (en) * | 2009-12-10 | 2010-06-16 | 新余市长城铜产品开发有限公司 | Method and device for wet treatment of beryllium-containing waste gas |
| CN102423613B (en) * | 2011-08-23 | 2013-10-02 | 武汉兴能环保技术有限公司 | Ammonia desulfurization method for effectively removing chlorine and fluorine ions and heavy metal ions |
| CN202199258U (en) * | 2011-08-23 | 2012-04-25 | 浙江省环境工程有限公司 | Waste gas treatment device for scouring pad oven |
| CN102389698A (en) * | 2011-09-16 | 2012-03-28 | 百力达太阳能股份有限公司 | Effective method for industrial fluorinion-containing waste gas treatment |
| KR101336147B1 (en) * | 2012-02-21 | 2013-12-16 | (주)하이에코텍 | Air cleaning system |
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