CN105712536A - Membrane separation combination zero-emission system for deeply treating desulfurization wastewater with whole membrane method - Google Patents
Membrane separation combination zero-emission system for deeply treating desulfurization wastewater with whole membrane method Download PDFInfo
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- CN105712536A CN105712536A CN201610189904.2A CN201610189904A CN105712536A CN 105712536 A CN105712536 A CN 105712536A CN 201610189904 A CN201610189904 A CN 201610189904A CN 105712536 A CN105712536 A CN 105712536A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- 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
- C02F2001/5218—Crystallization
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the technical field of treatment of desulfurization wastewater and particularly provides a membrane separation combination zero-emission system for deeply treating desulfurization wastewater with a whole membrane method. The system comprises a pretreatment water tank, a water quality regulating water tank, a first reaction tank, a sedimentation water tank, a second reaction tank, a concentrated water tank, an TMF (tubular micro-filtration) assembly, a produced water tank and an NF (nanofiltration) assembly which are sequentially communicated through a pipeline, wherein a produced water outlet of the NF assembly is connected and communicated with an SWRO (seawater reverse osmosis) assembly through a pipeline, a concentrated water outlet of the SWRO assembly is connected and communicated with a DTRO (disk tubular reverse osmosis) assembly through a pipeline, and a concentrated water outlet of the NF assembly is communicated with a wastewater collecting tank through a pipeline. With the adoption of the membrane separation combination zero-emission system for deeply treating desulfurization wastewater with the whole membrane method, the pure water recovery rate is higher, the occupied area is small, the cost is low, resource utilization is realized, membrane assemblies cannot be blocked by dirt, stable operation of the membrane system is guaranteed, the wastewater treatment efficiency is improved, resource waste is avoided, and meanwhile, unnecessary environmental pollution is reduced.
Description
Technical field
The invention belongs to desulfurization wastewater processing technology field, be specifically related to a kind of full embrane method and desulfurization wastewater advanced treating membrance separation is combined Zero discharging system.
Background technology
In desulfurization wastewater, species of metal ion includes conventional heavy metal (Cd, Cu, Cr, Ni, Pb, Zn etc.), also some other non-heavy metal ion is included, such as As, Ba, Mo, Fe, Al, Sn, Ra etc., also have the features such as high salinity, float are high simultaneously.The common feature of these pollutant is to add some medicaments to form precipitate.Tradition method for treating desulfurized wastewater adopts chemical precipitation method, this processing method needs to arrange sedimentation tank, consider precipitation water outlet can not remove the ss suspended solid in water quality completely, containing heavy metal float, and also need to quartz filter, ultrafiltration etc. after precipitating, carry out reuse after the water being settled out is carried out advanced treating again, thus cause waste water processing station in order to place substantial amounts of equipment and increase floor space and equipment investment.
Membrane technology has the advantage that many traditional industries are difficult to possess, as floor space only have the 10-15% of traditional handicraft, effluent quality to be significantly better than conventional art, stable, and technology is more and more ripe.In the membrane technology of heavy metal, the membrane technology being most frequently with includes hollow-fibre membrane, tube type filter membrance (TMF) etc..Hollow-fibre membrane has the advantages such as occupation area of equipment is less, cheap; but the maximum problem of fibrous membrane technology is fracture of wire and film blocks the engineering risk caused; especially film blockage problem; make it in the heavy metal containing wastewater treatment that solid concentration is higher; clean and the frequency of maintenance down is too high, it does not have practical value.Tube type filter membrance technology is comparatively ripe, and tube type filter membrance have employed the membrane component thicker than fibrous membrane, but the variation water quality after processing is relatively big, and salinity is high, it is easy to crystallization, fouling and dirty stifled film phenomenon occurs.
Summary of the invention
It is an object of the invention to overcome above-mentioned prior art defect, there is provided a kind of full embrane method that desulfurization wastewater advanced treating membrance separation is combined Zero discharging system, pure water recovery rate is higher, floor space is little, cost is low, achieve recycling, it is ensured that membrane module will not be blocked up by dirt, it is ensured that the stable operation of membranous system.
For this, the invention provides a kind of full embrane method and desulfurization wastewater advanced treating membrance separation is combined Zero discharging system, including water tank, water quality adjustment water tank, the first reaction chamber, settling tank, the second reaction chamber, dense water tank, TMF assembly, product water tank and NF assembly before the pretreatment being sequentially communicated by pipeline, the product water out of described NF assembly is connected with SWRO assembly is communicated by pipeline, the dense water out of SWRO assembly is connected with DTRO assembly is communicated by pipeline, and the dense water out of described NF assembly passes through pipeline and is connected with sewage collecting box and communicates.
The present invention is first with TMF(tube type filter membrance) waste water carries out pretreatment by assembly, remove the heavy metal contaminants in waste water and most suspended substances, then through NF(nanofiltration) assembly is to monovalent salt in waste water, divalent salts carries out a point salt, the product water after salt is divided to be mainly monovalence sodium chloride solution, produce water successively through SWRO assembly, DTRO assembly concentration, eliminate the COD in waste water, antibacterial, the pollutant such as ammonia nitrogen, DTRO assembly produces water and reaches discharge standard, dense water evaporates, the fresh water reusable edible of output, save water resource, achieve recycling, provide cost savings.
As preferably, pipeline between described dense water tank and TMF assembly is sequentially provided with the first filter and the first booster pump, pipeline between described product water tank and NF assembly is sequentially provided with the second filter and the second booster pump, pipeline between the dense water out of NF assembly and sewage collecting box is provided with high-pressure pump, described NF assembly produces and is sequentially provided with the 3rd filter and the 3rd booster pump on the pipeline between water out and SWRO assembly, and the pipeline between the described dense water out of SWRO assembly and DTRO assembly is sequentially provided with the 4th filter and the 4th booster pump.
As the improvement in structure, described TMF assembly be connected with chemically-cleaning device, described chemically-cleaning device is connected on the pipeline between dense water tank and TMF assembly by pipeline.
Described chemically-cleaning device includes two cleaning water tanks and a cleaning pump, two cleaning water tank respectively acid solution cleaning cases and liquor natrii hypochloritis's cleaning case；The import of described cleaning pump is connected with two cleaning water tanks respectively, cleans pump discharge and is connected on the pipeline between dense water tank and TMF assembly by pipeline.Acid solution cleans and can be dissolved by the metal oxide deposits that be deposited on film surface.Liquor natrii hypochloritis cleans can solve more serious organic fouling problem.
As preferably, described TMF assembly has ten and is serially connected as string, and the membrane tube that each TMF assembly adopts is 1 inch of 1 core, and every membrane area is 0.14m2。
Further, also include depositing reservoir, before described pretreatment, water tank is three headers, and described three headers, depositing reservoir and water quality adjustment water tank are sequentially connected, and described three headers include one-level and quickly stir neutralization case, two grades of quick stirring flow tanks and three grades of low rate mixing flocculation tanks.In three headers, complete the reactions such as PH adjustment, the precipitation of saturated crystal of calcium sulfate, coagulation by addition lime cream, organic sulfur, flocculation aid.
Beneficial effects of the present invention: desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by this full embrane method provided by the invention, pure water recovery rate is higher, floor space is little, cost is low, it is achieved that recycling, it is ensured that membrane module will not be blocked up by dirt, ensure the stable operation of membranous system, improve waste water treatment efficiency, it is to avoid the wasting of resources, reduce the unnecessary pollution to environment simultaneously.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of membrance separation combined system provided by the invention.
Description of reference numerals: 1, one-level quickly stirs neutralization case；2, two grades of quick stirring flow tanks；3, three grades of low rate mixing flocculation tanks；4, depositing reservoir；5, water quality adjustment water tank；6, the first reaction chamber；7, settling tank；8, the second reaction chamber；9, dense water tank；10, TMF assembly；11, water tank is produced；12, NF assembly；13, SWRO assembly；14, DTRO assembly；15, acid solution cleaning case；16, liquor natrii hypochloritis's cleaning case；17, pump is cleaned；18, the first filter；19, the first booster pump；20, the second filter；21, the second booster pump；22, high-pressure pump；23, the 3rd filter；24, the 3rd booster pump；25, the 4th filter；26, the 4th booster pump；27, sewage collecting box.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with the present invention.
Embodiment:
Desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as shown in Figure 1, including water tank, water quality adjustment water tank the 5, first reaction chamber 6, settling tank the 7, second reaction chamber 8, dense water tank 9, TMF assembly 10, product water tank 11 and NF assembly 12 before the pretreatment being sequentially communicated by pipeline, the product water out of described NF assembly 12 is connected with SWRO assembly 13 is communicated by pipeline, the dense water out of SWRO assembly 13 is connected by pipeline and DTRO group 14 and communicates, and the dense water out of described NF assembly 12 is connected with sewage collecting box 27 by pipeline and communicates.Pipeline between described dense water tank 9 and TMF assembly 10 is sequentially provided with the first filter 18 and the first booster pump 19, pipeline between described product water tank 11 and NF assembly 12 is sequentially provided with the second filter 20 and the second booster pump 21, pipeline between the dense water out of NF assembly 12 and sewage collecting box 27 is provided with high-pressure pump 22, described NF assembly 12 produces and is sequentially provided with the 3rd filter 23 and the 3rd booster pump 24 on the pipeline between water out and SWRO assembly 13, pipeline between the described dense water out of SWRO assembly 13 and DTRO assembly 14 is sequentially provided with the 4th filter 25 and the 4th booster pump 26.Described TMF assembly 10 be connected with chemically-cleaning device, described chemically-cleaning device is connected on the pipeline between dense water tank 9 and TMF assembly 10 by pipeline.Described chemically-cleaning device includes two cleaning water tanks and a cleaning pump 17, two cleaning water tank respectively acid solution cleaning cases 15 and liquor natrii hypochloritis's cleaning case 16；The import of described cleaning pump 17 is connected with two cleaning water tanks respectively, and cleaning pump 17 exports and is connected on the pipeline between dense water tank and TMF assembly 10 by pipeline.Acid solution cleans and can be dissolved by the metal oxide deposits that be deposited on film surface.Liquor natrii hypochloritis cleans can solve more serious organic fouling problem.Further, also include depositing reservoir 4, before described pretreatment, water tank is three headers, and described three headers, depositing reservoir 4 and water quality adjustment water tank 5 are sequentially connected, and described three headers include one-level and quickly stir the neutralization quick stirring flow tank 2 of 1, two grades of case and three grades of low rate mixing flocculation tanks 3.In three headers, complete the reactions such as PH adjustment, the precipitation of saturated crystal of calcium sulfate, coagulation by addition lime cream, organic sulfur, flocculation aid.
We are to process desulfurization wastewater below, are specifically described the technical process of membrance separation combined system advanced treating desulfurization wastewater:
First desulfurization wastewater is passed in three headers, the reactions such as PH adjustment, the precipitation of saturated crystal of calcium sulfate, coagulation are completed by addition lime cream, organic sulfur, flocculation aid, waste water flows into depositing reservoir 4 from three headers, flocculate in waste water is deposited on bottom depositing reservoir 4 due to action of gravity, clear water accesses water quality adjustment water tank 5 through pump, adjustment PH is 11.5-12.5, waste water in water quality adjustment water tank 5 is passed into the first reaction chamber 6,30% sodium hydroxide is added in the first reaction chamber 6, removing the calcium ions and magnesium ions in waste water, the dosage of sodium hydroxide is determined by raw water quality.Waste water after precipitation enters the second reaction chamber 8 through settling tank 7, putting into sodium carbonate in the second reaction chamber 8, remove the hardness in waste water and heavy metal contaminants, waste water precipitates in dense water tank 9, waste water after precipitation enters TMF assembly 10, and the precipitating sludge in dense water tank 9 is discharged through sludge dehydration device.Waste water through TMF assembly 10, removes the materials such as the float in waste water, antibacterial and macromolecule colloid, and described TMF assembly 10 has ten and is serially connected as string, and the membrane tube that each TMF assembly 10 adopts is 1 inch of 1 core, and every membrane area is 0.14m2, the actual production capacity of TMF is between 250-400L/h, and flux is at 2-300L/h, and flux data requires over assembly itself and obtains accurately.When, after system membranes component movement some cycles, film is contaminated gradually, and effluent flux is gradually lowered, utilize chemically-cleaning device that TMF assembly is carried out.
Through TMF assembly 10 product water by pump enter NF assembly 12, waste water is carried out a point salt treatment by NF assembly 12, the molecular weight cut off of NF assembly 12 is between 200-300, monovalence in waste water and divalent salts are easily separated, produce in water and be mainly monovalence sodium chloride solution, being mainly metabisulfite solution in dense water, NF assembly 12 plays key effect in whole technical process, reduces membrance concentration pressure thereafter.Product water after 12 points of salt treatment of NF assembly enters SWRO assembly 13 then through pump and concentrates, the dense water of NF assembly 13 is discharged into sewage collecting box, waste water after SWRO assembly 13 desalination by reverse osmosis processes is divided into product water and dense water, producing water is standard compliant fresh water, dense water continues on through pump and enters the further concentration of DTRO assembly 14, thus obtaining standard compliant fresh water, the dense water evaporative crystallization of DTRO assembly 14 being processed, obtains highly purified sodium chloride Nacl crystallized product.SWRO assembly 13 and DTRO assembly 14 eliminate the pollutant such as the COD in waste water, antibacterial, ammonia nitrogen so that produce water and meet discharge standard, it is achieved the real zero-emission of industrial wastewater.
Exemplified as above is only illustration to the present invention, is not intended that the restriction to protection scope of the present invention, every belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (6)
1. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a full embrane method, it is characterized in that: include water tank before the pretreatment being sequentially communicated by pipeline, water quality adjustment water tank (5), first reaction chamber (6), settling tank (7), second reaction chamber (8), dense water tank (9), TMF assembly (10), produce water tank (11) and NF assembly (12), the product water out of described NF assembly (12) is connected with SWRO assembly (13) is communicated by pipeline, the dense water out of SWRO assembly (13) is connected with DTRO assembly (14) is communicated by pipeline, the dense water out of described NF assembly (12) is connected with sewage collecting box (27) is communicated by pipeline.
2. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as claimed in claim 1, it is characterized in that: the pipeline between described dense water tank (9) and TMF assembly (10) is sequentially provided with the first filter (18) and the first booster pump (19), pipeline between described product water tank (11) and NF assembly (12) is sequentially provided with the second filter (20) and the second booster pump (21), pipeline between NF assembly (12) dense water out and the first reaction chamber (6) is provided with high-pressure pump (22), described NF assembly (12) is produced and is sequentially provided with the 3rd filter (23) and the 3rd booster pump (24) on the pipeline between water out and SWRO assembly (13), pipeline between the dense water out of described SWRO assembly (13) and DTRO assembly (14) is sequentially provided with the 4th filter (25) and the 4th booster pump (26).
3. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as claimed in claim 1, it is characterized in that: described TMF assembly (10) be connected with chemically-cleaning device, described chemically-cleaning device is connected on the pipeline between dense water tank (9) and TMF assembly (10) by pipeline.
4. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as claimed in claim 3, it is characterized in that: described chemically-cleaning device includes two cleaning water tanks and a cleaning pump (17), two cleaning water tank respectively acid solution cleaning cases (15) and liquor natrii hypochloritis's cleaning case (16)；The import of described cleaning pump (17) is connected with two cleaning water tanks respectively, cleans pump (17) outlet and is connected on the pipeline between dense water tank (9) and TMF assembly (10) by pipeline.
5. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as claimed in claim 1, it is characterized in that: described TMF assembly (10) has ten and is serially connected as string, the membrane tube that each TMF assembly adopts is 1 inch of 1 core, and every membrane area is 0.14m2。
6. desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method as claimed in claim 1, it is characterized in that: also include depositing reservoir (4), before described pretreatment, water tank is three headers, described three headers, depositing reservoir and water quality adjustment water tank are sequentially connected, and described three headers include one-level and quickly stir neutralization case (1), two grades of quick stirring flow tanks (2) and three grades of low rate mixing flocculation tanks (3).
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| CN201610189904.2A CN105712536A (en) | 2016-03-30 | 2016-03-30 | Membrane separation combination zero-emission system for deeply treating desulfurization wastewater with whole membrane method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529798A (en) * | 2018-05-02 | 2018-09-14 | 山东格润内泽姆环保科技有限公司 | A kind of vibrating membrane adds preparing chlorine by electrolysis combined method desulfurization wastewater advanced treatment system |
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| JPH10137540A (en) * | 1996-11-13 | 1998-05-26 | Mitsui Mining Co Ltd | Treatment of waste water from stack gas desulfurizer |
| CN203878017U (en) * | 2014-04-28 | 2014-10-15 | 盛发环保科技（厦门）有限公司 | Desulfurization wastewater reuse device for power plant |
| CN104843927A (en) * | 2015-05-26 | 2015-08-19 | 中国华电工程(集团)有限公司 | Desulfurization waste water zero discharging process and system |
| CN204848545U (en) * | 2015-05-22 | 2015-12-09 | 长沙南方宇航环境工程有限公司 | Electroplating effluent retrieves zero discharging equipment |
| CN105130084A (en) * | 2015-09-28 | 2015-12-09 | 张博 | Recycling treatment device for desulfurized waste water and method thereof |
| CN205821040U (en) * | 2016-03-30 | 2016-12-21 | 北京朗新明环保科技有限公司南京分公司 | Desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method |
-
2016
- 2016-03-30 CN CN201610189904.2A patent/CN105712536A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10137540A (en) * | 1996-11-13 | 1998-05-26 | Mitsui Mining Co Ltd | Treatment of waste water from stack gas desulfurizer |
| CN203878017U (en) * | 2014-04-28 | 2014-10-15 | 盛发环保科技（厦门）有限公司 | Desulfurization wastewater reuse device for power plant |
| CN204848545U (en) * | 2015-05-22 | 2015-12-09 | 长沙南方宇航环境工程有限公司 | Electroplating effluent retrieves zero discharging equipment |
| CN104843927A (en) * | 2015-05-26 | 2015-08-19 | 中国华电工程(集团)有限公司 | Desulfurization waste water zero discharging process and system |
| CN105130084A (en) * | 2015-09-28 | 2015-12-09 | 张博 | Recycling treatment device for desulfurized waste water and method thereof |
| CN205821040U (en) * | 2016-03-30 | 2016-12-21 | 北京朗新明环保科技有限公司南京分公司 | Desulfurization wastewater advanced treating membrance separation is combined Zero discharging system by a kind of full embrane method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529798A (en) * | 2018-05-02 | 2018-09-14 | 山东格润内泽姆环保科技有限公司 | A kind of vibrating membrane adds preparing chlorine by electrolysis combined method desulfurization wastewater advanced treatment system |
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Application publication date: 20160629 |
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