CN1096769A - New technology for treating electroplating waste water with micro-organism - Google Patents
New technology for treating electroplating waste water with micro-organism Download PDFInfo
- Publication number
- CN1096769A CN1096769A CN 93106616 CN93106616A CN1096769A CN 1096769 A CN1096769 A CN 1096769A CN 93106616 CN93106616 CN 93106616 CN 93106616 A CN93106616 A CN 93106616A CN 1096769 A CN1096769 A CN 1096769A
- Authority
- CN
- China
- Prior art keywords
- waste water
- chromium
- organism
- micro
- electroplating waste
- 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.)
- Granted
Links
Images
Landscapes
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The novel method that adopts Fusobacterium nucleatum (Fusobactcrium nucleatum), Paracoccus denitrificans (Paracoccus dcnitrificanc), blunt tarda (Edwardsiclla tarda), peptococcus anaerobius composite bacteria such as (Pcptococcus anacrobius) to administer electroplating wastewater, can effectively the hexavalent chrome reduction in the electroplating wastewater be become trivalent chromium, and be precipitated out from the aqueous solution with the chromium hydroxide compound form, reach the purpose of purification of water quality.Sedimentary chromium is through simple chemistry or physical method, and is promptly recyclable.Water quality after this method is handled is good, can guarantee to realize chromium, realizes qualified discharges such as nickel, copper, zinc simultaneously, non-secondary pollution, and strong to waste water adaptability, technical process is simple, save energy, economic performance is good, and cost is low.
Description
The invention belongs to the technology of chromium-electroplating waste water being carried out microbial treatment.
Chromic some compound has carcinogenesis to the crowd.The Cr(VI of water soluble ion state) easily by intestinal absorption, permeate through cell membranes makes some biomolecules oxidation and combines with it and produce the intoxicating effect.Chromium poisoning can make nose diaphragm and tympanic member perforation, skin ulcer, and perleche causes the digestive system function disorder, diarrhoea and initiation meningitis and lung cancer.
Chromic salts is important inorganic chemistry product, it is widely used in metallurgy, chemical industry, light industry, machinery and electronics department, the water-solubility Cr (VI) that Electroplate Factory under these departments, smeltery, Alloy Plant, dye processing plant, tannery, timber mill and rubber plant produce is very big to human body and environmental hazard, farm crop and HUMAN HEALTH are endangered, therefore, thorough improvement to enterprise's chrome waste water is extremely urgent, and having arrived must be thorough improvement the time.
To the existing 20 years history of the improvement of chromate waste water, middle nineteen sixties, great majority adopt chemical method, as FeS reduction method, FeSO
4Reduction method is removed Cr(VI) to reach emission standard, there is not solution to fill usefulness gradually but the sludge quantity of these methods is big.Use BaCrO thereafter
4The precipitator method, but this method is also because of collecting difficulty, chromium again can not reuses, use lessly, the seventies, chemical method has had new development, ion exchange method, electrolytic reduction is handled in the switch-back outward by line and is handled, reduced sludge quantity, floor space and investment all reduce, but the reuse of part rinse water.But the Fe of electrolytic process, Cr mud also can't further be handled, and this method is serious to equipment corrosion, and power consumption is big, applies difficulty.Finally, whole electroplating industry has almost all adopted ion exchange method to handle waste water, and this is considered to administer the standard method of electroplating wastewater.In big area practice, prove that this method investment is big, difficult management, the chromic acid of recovery can not direct reuse, and zero release does not still realize.The eighties has reverse osmosis method, electroosmose process, and film evaporation method, the air supporting method, activated carbon method, ferrite process and extraction process etc. occur in succession, and electrolytic process and ion exchange method have new development again.It is few wherein to regurgitate pouring countercurrent rinsing method water consumption, Cr
6+The reclamation rate height has been realized closed cycle, but that this method is only applicable to volume of bath solution is little, the orthoscopic plating machine that steam output is few, and also investment is big, and regulation and control are difficult, promote being restricted in vast small towns Electroplate Factory.Improvement to chrome waste water remains the Conservation Scientist in for some time from now on, metallurgy, the problem of joint researches such as chemical engineering teacher and biologist.
Luo Manenke (Romanenko) etc. are once with decolouring bacillus (Bac. Dechromaticans) anaerobic treatment chromate waste water, and every gram dry biomass can be with 2.1 gram K in 3 days
2CrO
4In Cr
6+Be reduced to Cr
3+; H.C. Xie Erbo Cray promise husband waits the bacterial strain with Aeromonas Dechromaticans KC-11, makes carbon source with Sweet natural gas or ethane, purifies 500ml chrome liquor (24.0mg Cr
6+/ L) its purification efficiency can be the same with activated sludge process, and can shorten the clarification time, reduce expense 1.1-1.5 doubly; A.M. Marques etc. has reported with pseudomonas aeruginosa (Pseudomonas aeruginosa) chromium in the substratum is reduced; Y.Sag etc. have studied exsiccant and have given birth to the moving glue bacterium of branch (Zooglea ramigera) at pH2, under 25 ℃ of conditions, to Cr
6+Adsorption rate be up to 20%; Report such as the K.Komori reducible chromic salt of enterobacter cloacae; No. 81001 bacterial strains of usefulness chromate reduction bacterium such as Sun Guoyu add the active sludge treatment waste electroplating liquor containing chromium certain effect.But these researchs only limit to adopt single bacterial strain, and belong to laboratory test.
In view of above-mentioned problem and shortage in existence aspect technology and the research, it is simple that task of the present invention provides a kind of processing chromium-electroplating waste water equipment, and primary purification can reach emission standard, reclaims Cr simultaneously
6+, not causing secondary pollution, energy consumption is little, and cost of investment is significantly less than the microbial method new technology of existing chemical method.
Present technique is according to the function of microorganism and the characteristics of electroplating wastewater, proposed to reclaim the science scheme of heavy metal in the waste water based on the microbially decontaminate of function yeast, be that function yeast is grown in cheap matrix, its meta-bolites becomes trivalent chromium with the hexavalent chrome reduction in the chromium-electroplating waste water, forming chromium hydroxide compound flocculation sediment comes out, thereby reach the purpose of purifying liquid waste, sedimentary chromium slag is through simple chemical treatment, promptly recyclable chromium.
Technical solution of the present invention is: 1. will from electroplate Fusobacterium nucleatum (Fusobacterium nucleatum) in the mud, Paracoccus denitrificans (Paracoccus denitrificans), blunt like Fahrenheit bacterium (Edwardsiella tarda), peptococcus anaerobius (Peptococcus anaerobius).The combination of these bacterium, short of money supporting and complementary function have at length been studied, to the resistance of metal, purify the condition of chromium (VI), kinetics and purification mechanism, verified that these bacterium purify the top condition of chromium (VI) waste water, and screened the growth matrix of the cheapness of on producing, using.
2. utilize composite bacteria in process of growth, its meta-bolites reduction is with HCrO
- 4, Cr
2O
2- 7, CrO
2- 4The Cr(VI that form exists) be the Cr(III), form Cr(OH)
3Precipitation, with the oxyhydroxide of thalline or other metal ion, the sulfide coagulation deposits and is removed.And part Cr
3+Can by the thalline surface-OH ,-CHO ,-SH ,-COOH ,-groups such as NH absorption, or enter by cytolemma and to participate in the cells physiological metabolic process in the born of the same parents and be removed.
Technical process of the present invention is:
When function yeast is cultivated 24 hours in sanitary sewage etc. after, send into the treating pond I, send into the certain volume chrome waste water simultaneously, effect is after 3 hours in this treating pond I, its solution is sent into the treating pond II, in the treating pond II, be detained after 13 hours, send into settling tank precipitation 8 hours, supernatant liquor discharges by sand filtration then, and precipitation can be used for chromium and reclaims.But part thalline reuse in treating pond II and the settling tank.Whole process: the purification rate of chromium reaches more than 99% in the electroplating wastewater, and chromium recovery ratio is more than 80%.
Compared with the prior art the present invention has the following advantages:
1. adaptability: it is strong that chromium concn in the waste water is changed adaptability, and handling wastewater flow rate can greatly can be little, and to waste water, variations such as pH and waste water composition also have adaptability preferably.
2. the water quality after handling: can guarantee to realize chromium qualified discharge in the treating water.It is good to handle the back effluent quality, can reuse.
3. sludge quantity: the sludge quantity of generation only is 1% of a chemical method, the recyclable utilization of chromium, and non-secondary pollution has been accomplished the thorough improvement to chrome waste water.
4. substratum: growth matrix is common sanitary sewage, beer waste water, and food wastewater, a little wastewater sources conveniently are easy to get, and do not need special funds.
Embodiment 1:
Certain medium-sized Electroplate Factory, 5 tons of day discharging chromium plating wastewaters, chromium (VI) fluctuation of concentration scope is a 65.4-192.0mg/L. treating pond I, the II volume respectively is 0.58 cubic metre.
According to above-mentioned condition, technological design is by above-mentioned process flow sheet.It is 0.5 ton that day is handled the chrome waste water amount, and growth matrix is got food plant wastewater, BOD value scope 500-1400mg/L, and COD value scope 1500-2000mg/L, the bacterial concentration of adding is 1.6 * 10
7Individual/ml.Sampling monitoring after 24 hours.
The water outlet monitoring result:
Chromium (VI) content: be lower than 0.5mg/L
Total chrome content: be lower than 1.0mg/L
BOD concentration: be lower than 60mg/L
COD concentration: be lower than 100mg/L
Composite bacteria amount: normal
Effluent quality meets GB GB8978-88 integrated wastewater discharge standard fully.
Embodiment 2:
Certain large-scale Electroplate Factory, day discharging chromium-electroplating waste water 1-100 ton, chromium (VI) fluctuation of concentration scope is 1-100mg/L, the treating pond I, the II volume respectively is 50 cubic metres.
According to above-mentioned condition, technological design is by above-mentioned process flow sheet.Handle 1-100 ton electroplating wastewater day, bacterial classification is a composite bacteria, and growth matrix adopts 1
#, 2
#, 3
#Substratum, adding bacterial concentration is 1.6 * 10
7Individual/ml, after 3 hours, sampling monitoring.
The water outlet monitoring result:
Chromium (VI) content: be lower than 0.1mg/L
Total chrome content: be lower than 0.5mg/L
Zinc content: be lower than 0.4mg/L
Nickel content: be lower than 0.2mg/L
Copper content: be lower than 0.1mg/L
Indexs such as the BOD of water outlet, COD, SS, pH, colourity all are lower than GB GB8978-88 integrated wastewater discharge standard.
Claims (4)
- With the novel method for the treatment of electroplating waste water with micro-organism, it is characterized in that 1, be used for the composite bacteria that the microorganism for the treatment of processes is made up of four kinds of bacterium, its processing technological flow is:
- 2, according to the novel method of the described treating electroplating waste water with micro-organism of claim 1, it is characterized in that employed composite bacteria is made up of Fusobacterium nucleatum (Fusobacteriun nucleatum), Paracoccus denitrificans (Paracoccus denitrificans), blunt tarda (Edwardsiella tarda), peptococcus anaerobius (Peptococcus).
- 3, according to the novel method of claim 1 or 2 described treating electroplating waste water with micro-organism, it is characterized in that: the top condition that purifies the chrome waste water process is, pH5.0-7.5, and temperature is 15-30 ℃, the effect residence time is 24 hours.
- According to the novel method of the described treating electroplating waste water with micro-organism of claim 3, it is characterized in that 4, cultivating the selected matrix of composite bacteria is sanitary sewage, beer waste water, food wastewater etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93106616 CN1047155C (en) | 1993-06-11 | 1993-06-11 | New technology for treating electroplating waste water with micro-organism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93106616 CN1047155C (en) | 1993-06-11 | 1993-06-11 | New technology for treating electroplating waste water with micro-organism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1096769A true CN1096769A (en) | 1994-12-28 |
| CN1047155C CN1047155C (en) | 1999-12-08 |
Family
ID=4986325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93106616 Expired - Lifetime CN1047155C (en) | 1993-06-11 | 1993-06-11 | New technology for treating electroplating waste water with micro-organism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1047155C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327039C (en) * | 2004-02-06 | 2007-07-18 | 赵开方 | Technology for treating electroplating effluent by biochemical process |
| CN100410190C (en) * | 2005-08-25 | 2008-08-13 | 中南大学 | Method of processing high concentration basic chromium-containing wastewater with bacteria |
| CN100424167C (en) * | 2002-12-04 | 2008-10-08 | 上海一本生命科技工程有限公司 | YB microbe function fungus and domestic organic garbage treating machine |
| CN100434197C (en) * | 2004-08-03 | 2008-11-19 | 中国科学院过程工程研究所 | Chromic slag treatment method of detoxifying hexavalent chromium directly by biologic method |
| CN100545097C (en) * | 2007-04-12 | 2009-09-30 | 同济大学 | A kind of active sludge microorganism that utilizes is removed chromic method in the sewage |
| CN100552019C (en) * | 2006-05-23 | 2009-10-21 | 北京未名凯拓作物设计中心有限公司 | One strain denitrogen paracoccus and cultural method thereof and application |
| CN103073123A (en) * | 2012-12-28 | 2013-05-01 | 广东威迪科技股份有限公司 | Metal plating wastewater recycle using and recycling technology process |
| CN103397340A (en) * | 2013-08-09 | 2013-11-20 | 内蒙古科技大学 | Apparatus for recovering nickel from nickel-containing wastewater through utilizing microbial electrolysis tank, and method thereof |
| CN105692872A (en) * | 2016-04-25 | 2016-06-22 | 陈逸君 | Method for removing zinc ions in electroplating waste water by means of pulse high voltage and microorganism flocculation reaction tank |
| CN105948279A (en) * | 2015-07-26 | 2016-09-21 | 李娜 | Method for removing chrome-containing sewage pollutants |
| CN108059309A (en) * | 2018-01-30 | 2018-05-22 | 深圳职业技术学院 | A kind of plating method for processing organic wastewater and device |
| CN111573969A (en) * | 2020-04-30 | 2020-08-25 | 鞍钢众元(鞍山)环保有限公司 | Combined biological treatment method for high-concentration COD chromium-containing electroplating cleaning wastewater |
| CN113023902A (en) * | 2021-03-01 | 2021-06-25 | 同济大学 | Method for promoting removal of hexavalent chromium through co-culture of paracoccus denitrificans and Shewanella |
-
1993
- 1993-06-11 CN CN 93106616 patent/CN1047155C/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424167C (en) * | 2002-12-04 | 2008-10-08 | 上海一本生命科技工程有限公司 | YB microbe function fungus and domestic organic garbage treating machine |
| CN1327039C (en) * | 2004-02-06 | 2007-07-18 | 赵开方 | Technology for treating electroplating effluent by biochemical process |
| CN100434197C (en) * | 2004-08-03 | 2008-11-19 | 中国科学院过程工程研究所 | Chromic slag treatment method of detoxifying hexavalent chromium directly by biologic method |
| CN100410190C (en) * | 2005-08-25 | 2008-08-13 | 中南大学 | Method of processing high concentration basic chromium-containing wastewater with bacteria |
| CN100552019C (en) * | 2006-05-23 | 2009-10-21 | 北京未名凯拓作物设计中心有限公司 | One strain denitrogen paracoccus and cultural method thereof and application |
| CN100545097C (en) * | 2007-04-12 | 2009-09-30 | 同济大学 | A kind of active sludge microorganism that utilizes is removed chromic method in the sewage |
| CN103073123B (en) * | 2012-12-28 | 2014-06-25 | 广东威迪科技股份有限公司 | Metal plating wastewater recycle using and recycling technology process |
| CN103073123A (en) * | 2012-12-28 | 2013-05-01 | 广东威迪科技股份有限公司 | Metal plating wastewater recycle using and recycling technology process |
| CN103397340A (en) * | 2013-08-09 | 2013-11-20 | 内蒙古科技大学 | Apparatus for recovering nickel from nickel-containing wastewater through utilizing microbial electrolysis tank, and method thereof |
| CN103397340B (en) * | 2013-08-09 | 2016-08-03 | 内蒙古科技大学 | Utilize the method that microorganism electrolysis cell reclaims nickel from nickel-containing waste water |
| CN105948279A (en) * | 2015-07-26 | 2016-09-21 | 李娜 | Method for removing chrome-containing sewage pollutants |
| CN105967464A (en) * | 2015-07-26 | 2016-09-28 | 李娜 | Method for removing chrome-contained wastewater pollutants |
| CN105948279B (en) * | 2015-07-26 | 2021-04-09 | 哈尔滨学院 | Method for removing chromium-containing sewage pollutants |
| CN105967464B (en) * | 2015-07-26 | 2021-04-27 | 佛山市顺德区环洁水处理有限公司 | Method for removing chromium-containing sewage pollutants |
| CN105692872A (en) * | 2016-04-25 | 2016-06-22 | 陈逸君 | Method for removing zinc ions in electroplating waste water by means of pulse high voltage and microorganism flocculation reaction tank |
| CN108059309A (en) * | 2018-01-30 | 2018-05-22 | 深圳职业技术学院 | A kind of plating method for processing organic wastewater and device |
| CN111573969A (en) * | 2020-04-30 | 2020-08-25 | 鞍钢众元(鞍山)环保有限公司 | Combined biological treatment method for high-concentration COD chromium-containing electroplating cleaning wastewater |
| CN113023902A (en) * | 2021-03-01 | 2021-06-25 | 同济大学 | Method for promoting removal of hexavalent chromium through co-culture of paracoccus denitrificans and Shewanella |
| CN113023902B (en) * | 2021-03-01 | 2021-12-21 | 同济大学 | Method for promoting removal of hexavalent chromium through co-culture of paracoccus denitrificans and Shewanella |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1047155C (en) | 1999-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Couillard et al. | Bacterial leaching of heavy metals from sewage sludge—bioreactors comparison | |
| CN106927642A (en) | A kind of electroplating wastewater advanced treatment process and system | |
| CN1047155C (en) | New technology for treating electroplating waste water with micro-organism | |
| CN101402491A (en) | Method for treating heavy metal-containing acidic waste water and recycling heavy metal with biomass fixed bed | |
| CN1180994C (en) | Method for increasing waste water treating efficiency by improving activity of sulfate reducing bacteria | |
| CN206736028U (en) | A kind of electroplating wastewater advanced treatment system | |
| CN106565060B (en) | A kind of processing method of the cumquat preserved fruit processing waste water of high organic matter with high salt | |
| CN101041531A (en) | Multiple combined technique for high concentration hard-degraded organic waste water treatment | |
| CN101935100A (en) | Biological pyrite composite material, preparation method thereof and using method thereof | |
| CN1079083C (en) | Compound functional bacteria for treatment of various electroplating wastes | |
| CN114751520B (en) | Method for treating ammonia sugar processing wastewater by utilizing fungus microalgae symbiotic system | |
| CN112174440A (en) | Heavy metal wastewater treatment process | |
| CN1290779C (en) | Process for treating and controlling waste water containing high concentration hazard rubbish chromium by high efficient function bacteria | |
| CN104556528A (en) | An integrated treatment process of clindamycin alkaline wastewater | |
| CN109437447A (en) | A kind of preprocess method of guanine waste water | |
| CN205368049U (en) | Sizing agent effluent treatment plant | |
| CN105016569A (en) | Processing system and method for cold rolling reverse osmosis strong brine | |
| CN114873851B (en) | Autotrophic denitrification and full quantification treatment device and method for high-salt high-ammonia nitrogen wastewater | |
| CN110510813A (en) | A kind of processing method of nitrogen-containing heterocycle compound wastewater from chemical industry | |
| CN209759232U (en) | Diversified integrated treatment device for high-concentration bamboo product wastewater | |
| CN1548382A (en) | Method for treating heavy metal wastewater by using waste sludge as carrier | |
| CN1162355C (en) | Biochemical process of treating metal-containing waste water | |
| CN214032135U (en) | Kitchen waste and fruit and vegetable garbage filtrate treatment device | |
| CN111285552B (en) | Device and method for in-situ multi-stage treatment of high-salinity wastewater | |
| CN219972095U (en) | System for treating flushing wastewater of fishing port wharf |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |