CN105084529A - Method for treating sebacic acid wastewater by utilizing halophilic microorganisms - Google Patents
Method for treating sebacic acid wastewater by utilizing halophilic microorganisms Download PDFInfo
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- CN105084529A CN105084529A CN201510575917.9A CN201510575917A CN105084529A CN 105084529 A CN105084529 A CN 105084529A CN 201510575917 A CN201510575917 A CN 201510575917A CN 105084529 A CN105084529 A CN 105084529A
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- halophile
- sebacic acid
- waste water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a method for treating sebacic acid wastewater by utilizing halophilic microorganisms. The method for treating the sebacic acid wastewater by utilizing the halophilic microorganisms comprises the following steps: adding a compound halophilic microbial agent into a biochemical system, and directly cultivating halophilic activated sludge and a halophilic biological film under the condition that salt concentration of wastewater effluent is 3-15%, so that the halophilic microorganisms adapt to wastewater and synergistically degrade the wastewater, and CODCr, volatile phenol and other pollutants in the wastewater reach the standards after treatment. By adopting the method, high-salt phenol-containing sebacic acid production wastewater with the total salt concentration of 3-15% can be directly and biochemically treated, the content of CODCr is less than 100mg/L, the content of volatile phenol is less than 0.5mg/L, and the treatment cost is greatly reduced.
Description
Technical field
The invention belongs to high-salt wastewater processing technology field, specifically utilize the method for halophile process sebacic acid waste water.
Background technology
China is the country that sebacic acid output is maximum in the world, mainly adopting with Viscotrol C is at present the cracking process production technique of raw material, product per ton need consume 150 ~ 250kg phenol, produce 25 ~ 40 tons of waste water, wherein phenol content is 2000 ~ 5000mg/L, pH is 2 ~ 3, sodium sulphate content is 6 ~ 10%, COD content is 10000 ~ 20000mg/L.Sebacic acid waste water belongs to high salt, high phenol, high-COD waste water; According to estimates, the sebacic acid enterprise of a 40000t/a produces waste water 1,500,000 m
3/ year.If this waste water does not carry out improving process, severe contamination can be caused to environment.
The current industrial main method of extraction or absorption that adopts processes sebacic acid waste water, can remove most of phenols in waste water, even make phenol up to standard, but still be not enough to make waste water quality completely up to standard.Such as: utilize ricinolic acid to extract sebacic acid waste water, extraction progression more than 8 grades, though need not back extraction be carried out, water average COD > 4000mg/L, phenol > 50mg/L after extraction; Utilize sec-octyl alcohol as extraction agent, water COD > 2000mg/L, phenol > 50mg/L after extraction; Utilize QH-1 type complexometric extraction that Phenol for Waste Water content can be made to be down to below 10mg/L, but raffinate COD > 1000mg/L.Therefore, sebacic acid wastewater treatment be made up to standard, must process further the waste water after extraction, main method comprises advanced oxidation and biochemical treatment.Comparatively speaking, if biochemical process can be used for wastewater treatment, cost advantage will be had.
In sebacic acid waste water, sodium sulphate content is up to 5% ~ 15%, and have murder by poisoning and restraining effect to common micro-organisms cell, this is the salt concentration range that general biochemical method is difficult to go beyond.At present, sebacic acid factory effluent is through except after phenol pre-treatment, and the treatment process of employing is first evaporative desalination, then to the further biochemical treatment of evaporation condensed water rear discharge up to standard, or reuse after advanced treatment further again.Sebacic acid waste water evaporative desalination running cost 40 yuan/m
3above.If it is up to standard that sebacic acid waste water energy directly carries out biochemical treatment without evaporative desalination, sebacic acid waste water treatment cost will be made to reduce by more than 80%.
Utilize the technology of halophilic bacterium or salinity domestication method process sebacic acid waste water comparatively common in laboratory study, but be difficult to through engineering approaches.
Summary of the invention
The problem to be solved in the present invention is to the deficiencies in the prior art, provide a kind of method design rationally, process the low method utilizing halophile process sebacic acid waste water of easy cost.
Sebacic acid of the present invention produce in high saliferous phenolic wastewater, refer to sebacic acid mother liquor through sedimentation, filter after the waste water that obtains, its saltiness scope is 5% ~ 15%, COD
crbe 10000 ~ 20000mg/L, phenol content 2000 ~ 5000mg/L.
Halophile of the present invention, refer to adapt to hypersaline environment, can the microorganism of normal growth metabolism, comprise addicted to the bacterium of salt and salt tolerant, fungi, ancient bacterium, protozoon, metazoan and other microorganism.
The technical problem to be solved in the present invention is achieved through the following technical solutions.The present invention is a kind of method utilizing halophile process sebacic acid waste water, is characterized in: step comprises:
(1) microbiobacterial agent is added: in biochemical system, add halophile flora;
(2) halophile degradation flora is cultivated: biochemical system, under 3% ~ 15% salt concentration conditions, cultivates suitable salt active sludge or halophile organism film;
(3) sebacic acid wastewater treatment: biochemical system, under 3% ~ 15% water inlet salt concentration conditions, utilizes cultured suitable salt active sludge or microbial film process sebacic acid waste water.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: described halophile flora is that method disclosed in CN201310540099.X prepares according to number of patent application.Number of patent application CN201310540099.X is the application for a patent for invention that patent people of the present invention submitted on November 05th, 2013.The invention provides a kind of method preparing Salt-tolerant microbial agent.Utilize this inventive method, in the salt concentration range of salt concn 1% ~ 30%, directly can prepare microbiobacterial agent.Prepared microbial inoculum contains abundant salt-durable microbe and halophilic microorganism diversity.Therefore, add the compound halophile microbial inoculum utilizing the method to prepare in the methods of the invention, the biochemical treatment that can be sebacic acid waste water provides halophilic microorganism abundant as far as possible and salt-durable microbe source, for good microorganism basis is established in the cultivation of follow-up suitable salt active sludge and halophile organism film.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: before described sebacic acid waste water enters biochemical system, first carries out pre-treatment except phenol, makes Determination of Volatile Phenol in Refinery Wastewater < 200mg/L.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: described compound halophile microbial inoculum adds concentration for being not less than 300mg/L.The halophile degradation flora added in technical solution of the present invention, it adds concentration must meet minimum concentration needed for suitable salt active sludge and halophile organism Membrance cuiture, and initially add concentration higher, toggle speed is faster.Consider that microbial inoculum adds the economy of concentration, add concentration and most preferably be 300 ~ 1000mg/L.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: described biochemical system sludge loading≤0.5kgCOD/ (kgMLSS.d).
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: described biochemical system water temperature 15 DEG C ~ 40 DEG C, pH6.0 ~ 9.0.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: biochemical system Aerobic Pond water outlet dissolved oxygen is not less than 2.0mg/L.
A kind of method utilizing halophile process sebacic acid waste water of the present invention, preferred technical scheme is further: the further flocculation treatment of bio-chemical effluent.
Sebacic acid waste water of the present invention, refers to that sebacic acid is produced high saliferous phenolic wastewater and carried out pre-treatment except the waste water after phenol, volatile phenol < 200mg/L.Described except phenol technique, preferably extraction is except phenol technique.
In technical solution of the present invention, the process of sebacic acid wastewater biochemical, the technique that suggestion adopts and sludge loading are:
(1) aerobic process, sludge loading≤0.2kgCOD/ (kgMLSS.d), preferably≤0.1kgCOD/ (kgMLSS.d);
(2) anaerobic hydrolysis+aerobic process, anaerobic technique sludge loading≤0.5kgCOD/ (kgMLSS.d), aerobic process sludge loading≤0.3kgCOD/ (kgMLSS.d).
(3) anaerobic hydrolysis+micro-oxygen+aerobic process, anaerobic technique sludge loading≤0.5kgCOD/ (kgMLSS.d), micro-oxygen process sludge load≤0.5kgCOD/ (kgMLSS.d), aerobic process sludge loading≤0.1kgCOD/ (kgMLSS.d).
In the present invention in technical scheme, sebacic acid waste water salt concentration range is preferably 6% ~ 15%, consider the practical situation of manufacturer, it is 3% ~ 15% that sebacic acid wastewater biochemical system water inlet salt concentration range can relax, but in actual motion, water inlet salinity fluctuations scope should not exceed actual water inlet salt concn mean value ± 20%.
In technical solution of the present invention, for improving sebacic acid wastewater biochemical process effluent quality further, bio-chemical effluent can coagulating treatment further.The preferred iron-based flocculating agent of inorganic flocculating agent, comprising: ferrous sulfate, bodied ferric sulfate, polyferric silicate sulfate, polymeric aluminium ferrum silicate.
Adopt the inventive method process COD
cr1000 ~ 5000mg/L, volatile phenol 50 ~ 200mg/L, Na
2sO
4the sebacic acid waste water of concentration 2% ~ 15%, water outlet COD
cr< 100mg/L, volatile phenol < 0.5mg/L, can reach " integrated wastewater discharge standard " (GB8978-1996) primary standard.Waste water can direct qualified discharge, or reuse after process further.
The inventive method is by inoculation inoculation halophile degradation flora, and under 3% ~ 15% salt concentration conditions, directly cultivate halophile flora-suitable salt active sludge or the halophile organism film of sebacic acid Pollutants in Wastewater of can degrading, there is very strong anti-salinity shock ability and anti-load impact ability.
Beneficial effect of the present invention:
(1) solve sebacic acid and produce the direct biochemical treatment difficult problem of high-salt wastewater, provide new technical solution for sebacic acid waste water carries out biochemical treatment.
(2) add halophile flora, the Start-up and Adjustment process of sebacic acid biochemical treatment of wastewater can be accelerated.
(3) utilize the halophile degradation flora that adds, the inventive method by sebacic acid wastewater treatment to CODcr < 100mg/L, volatile phenol < 0.5mg/L, its running cost < 5 yuan/m
3waste water; And adopt " evaporation+biochemical " technique, running cost > 40 yuan/m
3waste water.
Embodiment
Below further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not form the restriction to its right.
Embodiment 1, a kind of method utilizing halophile process sebacic acid waste water: step comprises:
(1) microbiobacterial agent is added: in biochemical system, add halophile flora;
(2) halophile degradation flora is cultivated: biochemical system, under 3% ~ 15% salt concentration conditions, cultivates suitable salt active sludge or halophile organism film;
(3) sebacic acid wastewater treatment: biochemical system, under 3% ~ 15% water inlet salt concentration conditions, utilizes cultured suitable salt active sludge or microbial film process sebacic acid waste water.
Embodiment 2, a kind ofly described in embodiment 1 utilizes in the method for halophile process sebacic acid waste water: described halophile flora is that method disclosed in CN201310540099.X prepares according to number of patent application.
Embodiment 3, a kind ofly described in embodiment 1 or 2 utilizes in the method for halophile process sebacic acid waste water: before described sebacic acid waste water enters biochemical system, first carries out pre-treatment except phenol, makes Determination of Volatile Phenol in Refinery Wastewater < 200mg/L.
Embodiment 4, a kind ofly described in any one in embodiment 1-3 utilizes in the method for halophile process sebacic acid waste water: described compound halophile microbial inoculum adds concentration for being not less than 300mg/L.
Embodiment 5, a kind ofly described in any one in embodiment 1-4 utilizes in the method for halophile process sebacic acid waste water: described biochemical system sludge loading≤0.5kgCOD/ (kgMLSS.d).
Embodiment 6, a kind ofly described in any one in embodiment 1-5 utilizes in the method for halophile process sebacic acid waste water: described biochemical system water temperature 15 DEG C ~ 40 DEG C, pH6.0 ~ 9.0.
Embodiment 7, a kind ofly described in any one in embodiment 1-5 utilizes in the method for halophile process sebacic acid waste water: described biochemical system water temperature 25 DEG C, pH7.5.
Embodiment 8, a kind ofly described in any one in embodiment 1-7 utilizes in the method for halophile process sebacic acid waste water: biochemical system Aerobic Pond water outlet dissolved oxygen is not less than 2.0mg/L.
Embodiment 9, a kind ofly described in any one in embodiment 1-8 utilizes in the method for halophile process sebacic acid waste water: the further flocculation treatment of bio-chemical effluent; Flocculation treatment flocculation agent used selects ferrous sulfate, bodied ferric sulfate, polyferric silicate sulfate, polymeric aluminium ferrum silicate.
Embodiment 10, a kind of methods experiment one utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD4000 ~ 6000mg/L, phenol≤200mg/L.Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 8% ~ 10% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 8% ~ 10% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 8% ~ 10% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 6% ~ 12% salt concentration range.
Halophile flora initially adds concentration 1000mg/L.
The salt concn of halophile flora mixed culture is 8% ~ 10%.
Biochemical system adopts aerobic process, controls water temperature 25 ~ 35 DEG C, pH6.5 ~ 8.5, Aerobic Pond water outlet dissolved oxygen be 2.0 ~ 4.0mg/L, sludge loading is 0.1 ~ 0.2kgCOD/ (kgMLSSd).
Embodiment 11, a kind of methods experiment two utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD4000 ~ 6000mg/L, phenol≤200mg/L.Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 8% ~ 10% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 8% ~ 10% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 8% ~ 10% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 6% ~ 12% salt concentration range.
Halophile flora initially adds concentration 500mg/L.
The salt concn of halophile flora mixed culture is 8% ~ 10%.
Biochemical system adopts aerobic process, controls water temperature 20 ~ 30 DEG C, pH7.0 ~ 8.0, Aerobic Pond water outlet dissolved oxygen be 2.0 ~ 4.0mg/L, sludge loading is 0.05 ~ 0.1kgCOD/ (kgMLSSd).Aerobic process COD clearance > 90%, process water outlet COD is 200 ~ 350mg/L.
Embodiment 12, a kind of methods experiment three utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD4000 ~ 6000mg/L, phenol≤200mg/L.Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 8% ~ 10% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 8% ~ 10% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 8% ~ 10% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 6% ~ 12% salt concentration range.
Halophile flora initially adds concentration 500mg/L.
The salt concn of halophile flora mixed culture is 8% ~ 10%.
Biochemical system adopts anaerobic hydrolysis+aerobic process, controls water temperature 20 ~ 30 DEG C, pH7.0 ~ 8.0; Anaerobic technique sludge loading is 0.3 ~ 0.5kgCOD/ (kgMLSSd), aerobic process sludge loading is 0.05 ~ 0.1kgCOD/ (kgMLSSd).Anaerobic hydrolysis COD clearance 25% ~ 35%, aerobic process COD clearance > 95%, comprehensive water outlet COD is 80 ~ 120mg/L.
Embodiment 13, a kind of methods experiment four utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD4000 ~ 6000mg/L, phenol≤200mg/L.Because other less salt waste water is mixed into, actual sebacic acid waste water saltiness is 3% ~ 5%, COD is 2500 ~ 4000mg/L.
Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 3.5% ~ 4.5% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 3.5% ~ 4.5% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 3.5% ~ 4.5% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 3% ~ 5% salt concentration range.
Halophile flora initially adds concentration 500mg/L.
The salt concn of halophile flora mixed culture is 3.5% ~ 4.5%.
Biochemical system adopts anaerobic hydrolysis+micro-oxygen+aerobic process, controls water temperature 20 ~ 30 DEG C, pH7.0 ~ 8.0; Anaerobic technique sludge loading is 0.2 ~ 0.4kgCOD/ (kgMLSSd), micro-oxygen process sludge load 0.2 ~ 0.5kgCOD/ (kgMLSSd), aerobic process sludge loading are 0.05 ~ 0.1kgCOD/ (kgMLSSd).Anaerobic hydrolysis COD clearance 25% ~ 35%, micro-oxygen technique COD clearance > 90%, aerobic process COD clearance > 75%, comprehensive water outlet COD is 80 ~ 100mg/L.
Embodiment 14, a kind of methods experiment five utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD4000 ~ 6000mg/L, phenol≤200mg/L.Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 8% ~ 10% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 8% ~ 10% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 8% ~ 10% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 6% ~ 12% salt concentration range.
Halophile flora initially adds concentration 500mg/L.
The salt concn of halophile flora mixed culture is 8% ~ 10%.
Biochemical system adopts anaerobic hydrolysis+micro-oxygen+aerobic process, controls water temperature 20 ~ 30 DEG C, pH7.0 ~ 8.0; Anaerobic technique sludge loading is 0.2 ~ 0.4kgCOD/ (kgMLSSd), micro-oxygen process sludge load 0.2 ~ 0.5kgCOD/ (kgMLSSd), aerobic process sludge loading are 0.05 ~ 0.1kgCOD/ (kgMLSSd).Anaerobic hydrolysis COD clearance 25% ~ 35%, micro-oxygen technique COD clearance > 90%, aerobic process COD clearance > 75%, comprehensive water outlet COD is 60 ~ 80mg/L.
Embodiment 15, a kind of methods experiment six utilizing halophile process sebacic acid waste water:
High-salt wastewater saltiness 5% ~ 15%Na
2sO
4, COD10000 ~ 20000mg/L, phenol 2000 ~ 5000mg/L, adopt complexometric extraction except phenol, except waste water COD after phenol is 1000 ~ 2000mg/L.Utilize the method for this high-salt wastewater of halophile process, comprise the following steps:
(1) in biochemical system, halophile flora is added;
(2) described biochemical system carries out mixed culture to halophile flora in 8% ~ 10% salt concentration range, until there is mud-water separation active sludge of good performance in system;
(3) utilize cultivate suitable salt active sludge, when intake salt concn 8% ~ 10% and stable process sebacic acid waste water.
The suitable equalizing tank residence time is set, sebacic acid water inlet salt concn is stabilized in 8% ~ 10% scope.
The halophile flora added, according to number of patent application for the method disclosed in CN201310540099.X prepares, and can be prepared in 6% ~ 12% salt concentration range.
Halophile flora initially adds concentration 1000mg/L.
The salt concn of halophile flora mixed culture is 8% ~ 10%.
Biochemical system adopts anaerobic hydrolysis+aerobic process, controls water temperature 30 ~ 40 DEG C, pH6.5 ~ 8.5; Anaerobic hydrolysis process residence time 6h, COD clearance 20% ~ 30%; Aerobic process residence time 24h, sludge loading 0.1 ~ 0.2kgCOD/ (kgMLSSd), COD clearance > 90%, water outlet COD < 80mg/L.
Claims (9)
1. utilize a method for halophile process sebacic acid waste water, it is characterized in that: step comprises:
(1) microbiobacterial agent is added: in biochemical system, add halophile flora;
(2) halophile degradation flora is cultivated: biochemical system, under 3% ~ 15% salt concentration conditions, cultivates suitable salt active sludge or halophile organism film;
(3) sebacic acid wastewater treatment: biochemical system, under 3% ~ 15% water inlet salt concentration conditions, utilizes cultured suitable salt active sludge or microbial film process sebacic acid waste water.
2. a kind of method utilizing halophile process sebacic acid waste water according to claim 1, is characterized in that: described halophile flora is that method disclosed in CN201310540099.X prepares according to number of patent application.
3. a kind of method utilizing halophile process sebacic acid waste water according to claim 1, is characterized in that: before described sebacic acid waste water enters biochemical system, first carries out pre-treatment except phenol, makes Determination of Volatile Phenol in Refinery Wastewater < 200mg/L.
4. a kind of method utilizing halophile process sebacic acid waste water according to claim 1 or 2, is characterized in that: described compound halophile microbial inoculum adds concentration for being not less than 300mg/L.
5. a kind of method utilizing halophile process sebacic acid waste water according to claim 1 or 3, is characterized in that: described biochemical system sludge loading≤0.5kgCOD/ (kgMLSS.d).
6. a kind of method utilizing halophile process sebacic acid waste water according to claim 1 or 3, is characterized in that: described biochemical system water temperature 15 DEG C ~ 40 DEG C, pH6.0 ~ 9.0.
7. according to the method utilizing halophile process sebacic acid waste water a kind of described in claim 1 or 3, it is characterized in that: biochemical system Aerobic Pond water outlet dissolved oxygen is not less than 2.0mg/L.
8. a kind of method utilizing halophile process sebacic acid waste water according to claim 1 or 3, is characterized in that: the further flocculation treatment of bio-chemical effluent.
9. a kind of method utilizing halophile process sebacic acid waste water according to claim 8, is characterized in that: flocculation treatment flocculation agent used selects ferrous sulfate, bodied ferric sulfate, polyferric silicate sulfate, polymeric aluminium ferrum silicate.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540555A (en) * | 2013-11-05 | 2014-01-29 | 中蓝连海设计研究院 | Method for preparing salt-tolerant microbial agent |
| CN104609541A (en) * | 2013-11-05 | 2015-05-13 | 中蓝连海设计研究院 | Sebacic acid wastewater direct biochemical treatment method without desalination |
| CN104609641A (en) * | 2013-11-05 | 2015-05-13 | 中蓝连海设计研究院 | Sebacic acid wastewater evaporative desalination pretreatment method |
-
2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103540555A (en) * | 2013-11-05 | 2014-01-29 | 中蓝连海设计研究院 | Method for preparing salt-tolerant microbial agent |
| CN104609541A (en) * | 2013-11-05 | 2015-05-13 | 中蓝连海设计研究院 | Sebacic acid wastewater direct biochemical treatment method without desalination |
| CN104609641A (en) * | 2013-11-05 | 2015-05-13 | 中蓝连海设计研究院 | Sebacic acid wastewater evaporative desalination pretreatment method |
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