CN108128969A - A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission - Google Patents
A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission Download PDFInfo
- Publication number
- CN108128969A CN108128969A CN201711372553.XA CN201711372553A CN108128969A CN 108128969 A CN108128969 A CN 108128969A CN 201711372553 A CN201711372553 A CN 201711372553A CN 108128969 A CN108128969 A CN 108128969A
- Authority
- CN
- China
- Prior art keywords
- water
- membrane
- coal chemical
- unit
- chemical industry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
-
- 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
-
- 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
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission, using five embrane method combined treatment integrated technologies of tubular membrane, ultrafiltration membrane, reverse osmosis membrane, high-precision NF membrane and electric drive film.Green energy conservation target is reached：Sewage is all recycled through processing, realizes zero blowdown；Water process reaches GB50050 2007《Code for design of industrial recirculating cooling water treatment》Standard；The final Nacl rate of recovery can reach 100%, and Nacl sodium chloride purity can reach GB/T5462 2015《Nacl》The top grade standard of the dry salt of industry, commercial sulphuric acid sodium purity can reach GB/T 6,009 2014 in middle refining industrial salt《Industrial anhydrous sodium sulfate》In I class standard.
Description
Technical field
The present invention relates to sewage treatment field technical field more particularly to a kind of five films for coal chemical industry wastewater zero emission
Method combined treatment integrated approach.
Background technology
China's energy resources feature is rich coal, oil-poor, gas, coal chemical industry promote national energy security, coal gas, coal less
Liquefaction is cleaning products, can reduce the pollutant of large size city motor vehicle exhaust emission, and therefore, Development of Novel coal chemical industry is puted forth effort in China
Industry.Because coal resources natural endowment structure is limited, coal chemical industry mostly arid or semiarid zone, with Xinjiang, the Inner Mongol, Shan
Based on west, Shanxi.Regional water resources shortage, ecological environment frailty, especially in Xinjiang region.Xinjiang coal reserves account for the whole nation
More than 42%, coal electricity-coal chemical industry is important industry, and the proportion that Coal Chemical Engineering Project accounts for the whole nation is larger, and Coal Chemical Base has quasi- east, breathes out
Close, Ku Bai, Yi Li, sweet spring water fort etc., with celebrating China, new day, Yan Kuang, wide remittance etc. for representative.Coal chemical industry is typical highly water intensive, high dirt
Industry is contaminated, Xinjiang water resource extremely shortage, the more water of coal are few, and development Chemical Industry is particularly thorny with preserving the ecological environment.
For international Development of Coal Chemical Industry based on China, there is a fraction in Africa, and main technique has German lurgi gasifier, space flight stove, clear
Magnificent stove etc..Coal chemical industrial waste water complicated component is difficult to handle, and ingredient has：Phenol, benzene, alkane, arsenic are coughed up, naphthalene, furans, imidazoles, arsenic pyridine,
200 gas chromatography such as isoquinolin, biphenyl.Main problem existing for the sector wastewater treatment is：Oil removing is not thorough, and goes turbidity removal
Spend it is unfavorable heat exchanger is caused to block, ammonia phenol recovery process section economic stability maneuverability is poor, and organic wastewater toxicity is difficult to degrade, strong brine
Point salt zero-emission difficulty is big, of high cost etc..At present in the world without prominent progress in terms of water process research, the country is ground
Study carefully achievement to maintain the leading position, but mostly there are problems for safe and stable operation, it is especially in the majority with film equipment Design and operation problem, it lacks
The system in combination research of weary film equipment.
Coal chemical industry water pollution is the most typical with low-order coal-lurgi gasifier-coal gas technique, because of lurgi gasifier coal adaptability
Extensively, the features such as small investment, operating cost are low, methane content is high obtains industry extensive use.Lurgi gasifier waste water is coal chemical industry
Be difficult to the waste water handled, therefore, select integrated treatment process that is reliable, economic, stablizing and technology, become at the moment when business
It is anxious.Herein under big situation, a kind of five embrane method combined treatment integrated technologies for coal chemical industry wastewater zero emission are developed, implement coalification
Work wastewater zero discharge saves water resource, Resource recovery, is the important channel of industry sustainable health development.
Invention content
Technical problems based on background technology, the present invention propose a kind of five films for coal chemical industry wastewater zero emission
Method combined treatment integrated approach, sewage are all recycled through processing, realize zero blowdown；Water process reaches GB50050-2007
《Code for design of industrial recirculating cooling water treatment》Standard；The final Nacl rate of recovery can reach 100%.
A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission, including：
Pretreatment unit：After coal chemical industrial waste water is carried out oil removing, turbidity removal, the processing of phenol recovery ammonia, it is single to be delivered to next processing
Member；
Pretreatment unit：Pretreated waste water is delivered to tubular membrane anaerobic processing device, removes the COD in waste water,
COD in water is converted into methane, achievees the purpose that remove COD, and the methane generated can be used as fuel, after-treatment system
Energy consumption；Simultaneously by tubular membrane filtration, the sludge and hardly degraded organic substance of anaerobic device are retained, ensures the dirt of anaerobic device
Mud concentration and COD removal rates, production water enter catalytic oxidizing equipment, COD that can further in degrading waste water；Tubular membrane used is city
Tubular membrane product is sold, inner cavity runner is big, permeant flux is big, and resistance tocrocking is strong, is not easy to plug.
Reuse water unit：Waste water after pre-treatment is delivered to ultra-filtration membrane device, be further processed make the turbidity of waste water≤
Then production water is delivered to reverse osmosis and high pressure reverse osmosis unit by 0.5NTU, SDI value≤3, the production water obtained after desalination enters production
Pond, concentrated water enter next processing unit；The high pressure is reverse osmosis to can be selected all kinds of reverse osmosis equipments of high pressure at present, to TDS
There is recycling inspissation in the waste water of more than 10000mg/g.
Divide salt upgrading unit：The concentrated water that the reuse water unit obtains is delivered to high-precision NF membrane and divides salt device, is obtained
To production water and concentrated water respectively enter electric driver and concentrated, reduce the scale of subsequent evaporation crystallization treatment, electric drive film
Production water flows back into reverse osmosis membrane processing device circular treatment, and concentrated water is respectively into sodium chloride evaporative crystallization and sodium sulphate evaporative crystallization system
System finally obtains sodium chloride crystallization and sulfate crystal respectively.
The high-precision NF membrane mechanism different with divalent ion interception to monovalent ion realizes the separation of salinity in waste water,
Salinity monovalent ion is mainly based on chlorion, sodium ion in coal chemical industrial waste water, divalent ion mainly based on sulfate radical, so
High-precision nanofiltration membrane treatment device produces water and concentrated water is respectively sodium chloride brine waste, sodium sulphate brine waste, and sulfate removes
Rate is more than 99%, and sodium chloride transmitance is close to 100%.
Preferably, the pretreatment unit treated water quality：PH is 6-9, COD 2500-3500mg/L, ammonia-nitrogen content
For 400-600mg/L, turbidity 140-160NTU, TDS 1800-2200mg/L.
Preferably, tubular membrane used in the pretreatment unit can be internal pressure or external-compression type, and the material of tubular membrane can be
PTFE, PVDF or PES.
Preferably, tubular membrane anaerobic processing device includes stirring anaerobic reation pool tubular membrane dress in the pretreatment unit
It puts, up flow anaerobic sludge blanket reactor tubular type film device, Expanded Granular Sludge Bed Reactor tubular type film device and fluid bed pipe
Formula film device.
Preferably, reverse osmosis in the reuse water unit and high pressure reverse osmosis unit processing includes：(1) in waste water saliferous
In the case of measuring as 20000-50000mg/L, ultrafiltration production water is directly entered high pressure reverse osmosis membrane processing device；(2) in salt content
In the case of≤20000mg/L, after ultrafiltration production water is introduced into reverse osmosis membrane processing device, high pressure reverse osmosis membrane processing dress is entered back into
It puts.
Preferably, it is described that electric driver in salt upgrading unit is divided to be homogeneous membrane electric driver, it can be effectively by waste water
TDS be concentrated to more than 100000mg/L.
Compared with prior art, the device have the advantages that being：
A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission proposed by the present invention, using tubular type
Film, ultrafiltration membrane, reverse osmosis membrane, high-precision NF membrane and electric drive film five embrane method combined treatment integrated technologies.Green is reached
Energy conservation object：Sewage is all recycled through processing, realizes zero blowdown；Water process reaches GB50050-2007《Industrial cycle
Cold water process design specification》Standard；The final Nacl rate of recovery can reach 100%, and Nacl sodium chloride purity can reach
GB/T5462-2015《Nacl》The top grade standard of the dry salt of industry, commercial sulphuric acid sodium purity can reach in middle refining industrial salt
GB/T 6009-2014《Industrial anhydrous sodium sulfate》In I class standard.
After the technology is implemented, by the coal chemical industry planning item measuring and calculating of 26, Xinjiang region, 5.1 hundred million cubes of water resource is saved in year
Rice, technology application have a extensive future, social and economic benefit all highly significants.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Example is applied together for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of work of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission proposed by the present invention
Skill flow chart.
Specific embodiment
The present invention is made with reference to specific embodiment further to explain.
The implementation of the five embrane method combined treatment integrated approaches proposed by the present invention for coal chemical industry wastewater zero emission is as follows：Before
In processing unit tubular membrane anaerobic processing device include continuously stir anaerobic reation pool tubular membrane anaerobic processing device, up-flow is detested
Oxygen sludge bed reactor tubular membrane anaerobic processing device, Expanded Granular Sludge Bed Reactor tubular membrane anaerobic processing device and fluidisation
Bed tubular membrane anaerobic processing device；The material of tubular membrane is the resistance to cleanings of PTFE, acidproof base material；Second processing unit is filled for ultrafiltration
It puts；Third processing unit is reverse osmosis or high pressure reverse osmosis unit；Fourth processing unit high-precision NF membrane divides salt device.5th
Processing unit is that electric driver is homogeneous membrane electric driver.
Certain coal chemical industry enterprises waste water (COD：2500-3600mg/L, ammonia nitrogen：400-550mg/L) through oil removing, turbidity removal, phenol ammonia
After recycling pretreatment, into tubular membrane anaerobic processing device, the film of the device is directly immersed in suspension life in the bioreactor
In thing liquid, anaerobic sludge is a concentration of：15g/L, by applying negative pressure：0.05Mpa, the production water after tubular type membrane filtration enter follow-up
Unit step by step into reuse water unit, is pre-processed by ultrafiltration membrane, then carries out desalination, production by multi-stage reverse osmosis system
Water enters production pond, and concentrated water enters high-precision nano filter membrance device, and obtained production water and concentrated water respectively enters electric driver progress
Concentration.
Certain coal chemical industry enterprises wastewater treatment water 6000m3/ d, by oil removing, turbidity removal, the pretreated production water of phenol recovery ammonia
Water quality is shown in Table 1.
The pretreated water quality result of 1 coal chemical industrial waste water of table
After process of the present invention processing, the detection of tubular membrane Anaerobic Treatment routine data is shown in Table 2：
Water quality result after 2 coal chemical industrial waste water tubular membrane anaerobism of table
Tubular membrane Anaerobic Treatment production water is shown in Table again by reuse water unit and the routine data detection divided after salt upgrading unit
3：
Water quality result of 3 coal chemical industrial waste water of table through reuse water unit and after dividing salt upgrading unit
GB50050-2007 can be reached by the processed fresh water of this process《Industrial circulating cooling water processing design
Specification》The standard of recycled water is fed after being back to industrial enterprise's circulating water system or being further processed as boiler
Water.Multi-stage reverse osmosis concentration rate can reach：16 times, after dividing salt and electric drive concentration using high-precision nanofiltration, system is always dense
Demagnification rate can reach：72 times.After electric drive concentrates, sodium chloride concentration is concentrated water：120000mg/L, sodium sulfate concentration are：
150000mg/L, the final Nacl rate of recovery can reach：100%.Nacl sodium chloride purity can reach 99.3%, reach GB/
T5462-2015《Nacl》The top grade standard of the dry salt of industry, commercial sulphuric acid sodium purity can reach in middle refining industrial salt
99%, reach GB/T6009-2014《Industrial anhydrous sodium sulfate》In I class standard.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission, which is characterized in that including：
Pretreatment unit：After coal chemical industrial waste water is carried out oil removing, turbidity removal, the processing of phenol recovery ammonia, it is delivered to next processing unit；
Pretreatment unit：Pretreated waste water is delivered to tubular membrane anaerobic processing device, removes the COD in waste water, simultaneously
By tubular membrane filtration, the sludge and hardly degraded organic substance of anaerobic device are retained, production water enters catalytic oxidizing equipment；
Reuse water unit：Waste water after pre-treatment is delivered to ultra-filtration membrane device, be further processed make the turbidity of waste water≤
Then production water is delivered to reverse osmosis and high pressure reverse osmosis unit by 0.5NTU, SDI value≤3, the production water obtained after desalination enters production
Pond, concentrated water enter next processing unit；
Divide salt upgrading unit：The concentrated water that the reuse water unit obtains is delivered to high-precision NF membrane and divides salt device, is obtained
Production water and concentrated water respectively enter electric driver and are concentrated, and finally obtain sodium chloride crystallization and sulfate crystal respectively.
2. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission according to claim 1,
It is characterized in that, the pretreatment unit treated water quality：PH is 6-9, COD 2500-3500mg/L, ammonia-nitrogen content 400-
600mg/L, turbidity 140-160NTU, TDS 1800-2200mg/L.
3. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission according to claim 1,
Be characterized in that, tubular membrane used in the pretreatment unit can be internal pressure or external-compression type, the material of tubular membrane can be PTFE,
PVDF or PES.
4. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission according to claim 1,
It is characterized in that, tubular membrane anaerobic processing device includes stirring anaerobic reation pool tubular type film device, up-flow in the pretreatment unit
Formula anaerobic mud bed reactor tubular type film device, Expanded Granular Sludge Bed Reactor tubular type film device and fluid bed tubular membrane dress
It puts.
5. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission according to claim 1,
It is characterized in that, reverse osmosis in the reuse water unit and high pressure reverse osmosis unit processing includes：（1）It is in waste water salt content
In the case of 20000-50000mg/L, ultrafiltration production water is directly entered high pressure reverse osmosis membrane processing device；（2）Salt content≤
In the case of 20000mg/L, after ultrafiltration production water is introduced into reverse osmosis membrane processing device, high pressure reverse osmosis membrane processing dress is entered back into
It puts.
6. a kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission according to claim 1,
It is characterized in that, it is described that electric driver in salt upgrading unit is divided to be homogeneous membrane electric driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372553.XA CN108128969A (en) | 2017-12-19 | 2017-12-19 | A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372553.XA CN108128969A (en) | 2017-12-19 | 2017-12-19 | A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108128969A true CN108128969A (en) | 2018-06-08 |
Family
ID=62390519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711372553.XA Pending CN108128969A (en) | 2017-12-19 | 2017-12-19 | A kind of five embrane method combined treatment integrated approaches for coal chemical industry wastewater zero emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108128969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875180A (en) * | 2020-08-06 | 2020-11-03 | 清华大学 | Coal chemical industry wastewater zero-discharge integrated treatment system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030654A1 (en) * | 2006-09-07 | 2008-03-13 | Nalco Company | Method of heavy metals removal from municipal wastewater |
| CN101560045A (en) * | 2009-06-04 | 2009-10-21 | 北京美华博大环境工程有限公司 | Coal chemical wastewater treating technique |
| CN104478172A (en) * | 2014-12-17 | 2015-04-01 | 中国科学院生态环境研究中心 | Method and device for treating organic wastewater with two-phase anaerobic tubular membrane bioreactor |
| CN107352727A (en) * | 2017-09-07 | 2017-11-17 | 北京中洁蓝环保科技有限公司 | A kind of coal chemical industrial waste water goes out salt Zero discharging system and its implementation |
-
2017
- 2017-12-19 CN CN201711372553.XA patent/CN108128969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030654A1 (en) * | 2006-09-07 | 2008-03-13 | Nalco Company | Method of heavy metals removal from municipal wastewater |
| CN101560045A (en) * | 2009-06-04 | 2009-10-21 | 北京美华博大环境工程有限公司 | Coal chemical wastewater treating technique |
| CN104478172A (en) * | 2014-12-17 | 2015-04-01 | 中国科学院生态环境研究中心 | Method and device for treating organic wastewater with two-phase anaerobic tubular membrane bioreactor |
| CN107352727A (en) * | 2017-09-07 | 2017-11-17 | 北京中洁蓝环保科技有限公司 | A kind of coal chemical industrial waste water goes out salt Zero discharging system and its implementation |
Non-Patent Citations (1)
| Title |
|---|
| 中国炼焦行业协会编著: "《创新发展中的中国焦化业》", 31 January 2017, 冶金工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875180A (en) * | 2020-08-06 | 2020-11-03 | 清华大学 | Coal chemical industry wastewater zero-discharge integrated treatment system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Al-Amshawee et al. | Electrodialysis desalination for water and wastewater: A review | |
| Panagopoulos | Brine management (saline water & wastewater effluents): Sustainable utilization and resource recovery strategy through Minimal and Zero Liquid Discharge (MLD & ZLD) desalination systems | |
| Panagopoulos et al. | Minimal Liquid Discharge (MLD) and Zero Liquid Discharge (ZLD) strategies for wastewater management and resource recovery–Analysis, challenges and prospects | |
| Giwa et al. | Brine management methods: Recent innovations and current status | |
| CN104445788B (en) | High slat-containing wastewater treatment for reuse zero-emission integrated technique | |
| CN106315991B (en) | A kind of point salt technique for industrial wastewater | |
| Zhang et al. | Integrated salinity reduction and water recovery in an osmotic microbial desalination cell | |
| Kumar et al. | A novel forward osmosis-nano filtration integrated system for coke-oven wastewater reclamation | |
| CN102260006B (en) | Method for treating heavy-metal-containing wastewater membrane filtration concentrated liquid | |
| CN103803752B (en) | Treatment method of wastewater with high salinity and high organic matters | |
| CN104276711A (en) | Reverse osmosis membrane treatment process for recycling industrial sewage and realizing zero release | |
| CN101759313B (en) | Method for recycling high-salinity heavy metal-enriched waste water from vanadium extraction from stone coal | |
| CN110697958B (en) | High-efficiency salt separating membrane concentration process | |
| Zhang et al. | Near-zero liquid discharge of desulfurization wastewater by electrodialysis-reverse osmosis hybrid system | |
| Guo et al. | Research progress of high-salinity wastewater treatment technology | |
| CN205528213U (en) | High salt industrial waste water that contains divides salt zero discharge system | |
| Zhang et al. | Wastewater treatment by renewable energy driven membrane processes | |
| Gurreri et al. | Electrodialysis for wastewater treatment—Part I: Fundamentals and municipal effluents | |
| Reverberi et al. | Membrane processes for water recovery and decontamination | |
| Yang et al. | Bipolar membrane electrodialysis for sustainable utilization of inorganic salts from the reverse osmosis concentration of real landfill leachate | |
| Gao et al. | The general methods of mine water treatment in China | |
| Abdelfattah et al. | Review on the escalating imperative of zero liquid discharge (ZLD) technology for sustainable water management and environmental resilience | |
| CN107473478A (en) | A kind of wet method prepares brombutyl technique waste water recycling treatment process | |
| Ye et al. | Efficiently combined technology of precipitation, bipolar membrane electrodialysis, and adsorption for salt-containing soil washing wastewater treatment | |
| CN104326590B (en) | A kind of method and device thereof that utilizes preparing salt by working up seawater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180608 |