CN102923856A - Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater - Google Patents
Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater Download PDFInfo
- Publication number
- CN102923856A CN102923856A CN2012104862624A CN201210486262A CN102923856A CN 102923856 A CN102923856 A CN 102923856A CN 2012104862624 A CN2012104862624 A CN 2012104862624A CN 201210486262 A CN201210486262 A CN 201210486262A CN 102923856 A CN102923856 A CN 102923856A
- Authority
- CN
- China
- Prior art keywords
- anaerobic
- wastewater
- water
- waste water
- sludge
- 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
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to an anaerobic reaction processing device and method for 1,4-butanediol chemical wastewater. The anaerobic reaction device internally comprises an inlet water distributor at the bottom of the device, an anaerobic sludge bed in the middle of the device and a three-phase separator at the top of the device, which are communicated with one another in sequence, wherein the anaerobic sludge bed consists of s sludge bed body formed by a great amount of anaerobic microorganisms; the anaerobic reaction device is sequentially connected with a sludge outlet pipe, a water outlet pipe and a methane outlet pipe from bottom to top; the inlet water distributor is connected with a wastewater inlet pipe; and the water outlet pipe is provided with an outlet water return branch connected with the wastewater inlet pipe. The anaerobic reaction processing device can be used for processing the wastewater to obtain biomass energy methane. After being processed by the anaerobic reaction processing device and method, the high-concentration production wastewater can meet the requirements on discharge of nanotubes, or the difficulty and cost of following aerobic treatment can be reduced. The method is stable in operation, is high in efficiency, can ensure the stable quality of outlet water, can be used for facilitating automatic control, management and operation, and is low in operation cost.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment and technology, particularly a kind for the treatment of unit of BDO wastewater from chemical industry and method.
Background technology
BDO wastewater from chemical industry pollutent complicated, bio-toxicity height, and than difficult degradation, waste water COD concentration is usually at 5000 ~ 30000mg/L.The method of processing at present the BDO wastewater from chemical industry mainly contains: anaerobism+anoxic+aerobic, SBR technique etc., and take process COD at the following waste water of 1000mg/L as main, but the high-concentration waste water treatment more than 5000mg/L then rarely has report for COD.
Patent 200710077937.9 has provided a kind of 1, the treatment process of 4-butyleneglycol wastewater from chemical industry, but the method biochemical treatment water inlet (equalizing tank water outlet) COD can not be greater than 1000mg/L, must dilute or enter accident pool when concentration is higher regulates, and this technique is batch technology, and impact is produced continuously.The method is not suitable for the processing of BDO manufacturing enterprise high density processing wastewater.
Patent 201110162235.7 discloses a kind of BDO wastewater from chemical industry aerobe treatment technology, and the method can directly be processed the higher processing wastewater of COD concentration, and water outlet can reach direct emission standard and requirement.But for actual production 1,4-butyleneglycol Chemicals enterprise is usually located in the industrial park, its waste discharge reaches garden sewage work discharging standard or requires to get final product, and this standard is generally COD less than 1000mg/L(or 500mg/L), and aerobic process investment and working cost are high.Therefore obtaining a kind for the treatment of process that had not only reached environment protection emission but also can save investment and working cost is manufacturing enterprise's first-selection.
Summary of the invention
The present invention is intended to process more than the COD5000mg/L, and the high density BDO wastewater from chemical industry of COD10000 ~ 20000mg/L particularly reaches garden sewage and receives the tube drainage requirement after the processing.Anaerobic reaction device provided by the present invention is simple in structure, the occupation of land scale is much smaller than aerobic process (because of anaerobic technique volumetric loading more than 5 times of aerobic process normally), running cost is extremely low, and (anaerobic technique is without aerating system, and it is recyclable to obtain biogas, and the aerobic process aeration need consume a large amount of electric energy), it is the optimal selection of BDO manufacturing enterprise Wastewater Pretreatment.
The first purpose of the present invention is to provide a kind of device of BDO chemical wastewater treatment, and for realizing this goal of the invention, the present invention adopts following technical scheme:
A kind of 1, the anaerobic reaction device of 4-butyleneglycol wastewater from chemical industry, comprise the triphase separator at the anaerobic mud bed and top at the inlet distribution device of being located at bottom of device that communicates successively, middle part, the described anaerobic mud bed Sludge Bed body that is comprised of a large amount of anaerobions forms; Described anaerobic reaction device upwards connects successively the mud discharging pipe from the bottom, goes out water discharge spout and firedamp drainage pipe; Described inlet distribution device links to each other with wastewater inlet pipe, describedly goes out water discharge spout and is provided with the effluent recycling arm that links to each other with wastewater inlet pipe.
Anaerobic reaction device of the present invention also is provided with modifying device between described wastewater inlet pipe and the inlet distribution device, and described modifying device comprises the dosing quality-adjusting device that is connected with wastewater inlet pipe at least.Described dosing quality-adjusting device is used for entering anaerobic mud bed front adding pH adjusting agent and other nutrition at waste water.In addition, described modifying device also further comprises the effluent recycling arm that links to each other with wastewater inlet pipe that arranges on the water discharge spout.
In addition, the modified mixing tank that also comprises of the present invention, described mixing tank be located at the hybrid chamber of static mixer in the wastewater inlet pipe or inlet distribution device bottom or be located at wastewater inlet pipe and the inlet distribution device between equalizing tank, this mixing tank can be finished fully mixing of waste water and pH adjusting agent and other nutrition and recycling effluent.
In the anaerobic reaction device of the present invention, described device also comprises a Controlling System.This Controlling System is connected with the pilot circuit of the some or all of electricity consumption facility of described device, in order to control the treating processes of whole device.
Anaerobic reaction device of the present invention also is provided with propulsion source, and the dosing quality-adjusting device contains transferpump as described, exports with pressure; Waste water is carried by lift pump; Effluent recycling flows into wastewater inlet pipe by high-order overflow through the effluent recycling arm.Reaction unit of the present invention, waste water are established static mixer and by being pumped into the inlet distribution device in pipeline after pumping into medicament and cyclic water outlet; Or in inlet distribution device bottom hybrid chamber is set, by the recycle pump mixing that circulates; Or by equalizing tank is set, pump into the inlet distribution device after cyclic water outlet and medicament mixed with the BDO wastewater from chemical industry is modified.
In the treatment unit of the present invention, described anaerobic sludge is the Sewage Plant anaerobic sludge through the domestication gained, and the concentration that wherein contains anaerobion is 10～80g/L.
Triphase separator of the present invention is the tripping device of energy divided gas flow and effectively catching solid microbe, and this tripping device is existing structure, and the those skilled in the art that are chosen as that it is concrete grasp (such as the commercially available prod P-S1 of Bo Ruide company).Inlet distribution device of the present invention is the anti-clogging plug water feed apparatus, but the commercially available various water feed apparatus (such as the commercially available prod P-F1 of Bo Ruide company) with similar function of those skilled in the art's choice for use.It should be noted that except the present invention make be particularly limited with improved said apparatus structure, can predict those skilled in the art on basis disclosed by the invention, select any suitable triphase separator and inlet distribution device etc. to realize the present invention.
In addition, sewage effluent of the present invention can also further connect aerobic biological treatment system, and it is further processed, and can directly discharge behind the water quality reaching standard.
The second purpose of the present invention is to provide a kind for the treatment of process of BDO wastewater from chemical industry, and for realizing the second purpose, the present invention adopts following technical scheme:
A kind for the treatment of process of BDO wastewater from chemical industry may further comprise the steps:
(1) water inlet modifier treatment: BDO wastewater from chemical industry pump to the inlet distribution device, is carried out pH regulator to waste water and adds nutrition and trace element nitrogenous, phosphorus and finish modified in quality-adjusting device;
(2) anaerobic treatment: the waste water after modified enters anaerobic reaction device Sludge Bed bottom by the inlet distribution device, and the pollutent in the waste water is degraded by microorganisms in the Sludge Bed of anaerobic reaction device, and discharges biogas;
(3) water outlet and collecting methane: waste water, anaerobic sludge and biogas enter the triphase separator on reaction unit top behind anaerobic degradation, realize the separation of anaerobic sludge, water outlet and biogas; Anaerobic sludge is back to Sludge Bed and is trapped in the reaction unit, and unnecessary mud regularly discharges through the mud discharging pipe; Water outlet is through going out the water discharge spout overflow discharge, and the part water outlet is back to the inlet distribution device through the effluent recycling arm; Biogas is recycled after the firedamp drainage pipe is discharged.
Wherein, further, anaerobic sludge is trapped in the anaerobic reactor and regularly discharging, and discharging mud can be used for inoculation, has higher economic worth; And biogas can be used for burning boiler or torch burning.
Treatment process of the present invention, step 1 add the nutrition of nitrogen, phosphorus, and controlling modified rear waste water COD: N:P is 400～800:5:0.5～2; The trace element that replenishes is the required element of microorganism growth, and the concrete those skilled in the art that are chosen as grasp (such as the commercially available prod P-V2 of Bo Ruide company).
In addition, the modifier treatment of described step 1 is carried out under the anaerobic effluent circulation mixes, and circular flow is 100～600% of flooding velocity.
In the treatment process of the present invention, anaerobic sludge concentration is controlled hydraulic detention time 1～10 day at 10-80g/L in the step 2 control anaerobic reaction device.
In order to obtain desirable treatment effect, the present invention to anaerobic degradation after pH and the temperature leaf of waste water carried out effective control.Up to standard for guaranteeing water body, the present invention can be according to the actual water body situation of pending BDO wastewater from chemical industry, by modifying device its pH value and temperature are transferred to reasonable value, again through the anaerobic mud bed anaerobic reaction that carries out, make finally that the pH of waste water is 6～9 behind the anaerobic degradation, temperature is 20～45 ℃.The pH of waste water is 6.5～7.2 behind the preferred control anaerobic degradation, temperature is 30～38 ℃.Wherein concrete control method is understood by those skilled in the art and is grasped, and the present invention is not particularly limited this.
Treatment process of the present invention is applicable to the BDO wastewater from chemical industry of various COD values, wherein more is applicable to COD more than the 5000mg/L even the BDO wastewater from chemical industry of COD more than 20000mg/L.
More specifically, treatment process of the present invention comprises the steps:
(1) waste water modifier treatment: BDO wastewater from chemical industry pump to the inlet distribution device, is carried out pH regulator to waste water and adds nutrition and trace element nitrogenous, phosphorus and finish modified in modifying device; With the COD:N:P=400～800:5:0.5 of waste water after the true modulation～2;
(2) anaerobic waste water is processed: the waste water after modified passes through the inlet distribution device to anaerobic mud bed bottom, mix with anaerobic sludge, pollutent in the waste water decomposes under the microbiological deterioration of anaerobic sludge, discharge biogas, in this step, anaerobic sludge concentration is controlled hydraulic detention time 1～10 day at 10～80g/L in the control anaerobic reaction device;
(3) water outlet and collecting methane: waste water, anaerobic sludge and biogas enter the triphase separator on reaction unit top behind anaerobic degradation, realize the separation of anaerobic sludge, sewage and biogas; The pH of waste water is 6～9 after the described degraded, and temperature is 20～45 ℃, preferably controls behind the anaerobic degradation pH of waste water and be 6.5～7.2, temperature is 30～38 ℃; Anaerobic sludge is trapped in the anaerobic reaction device and regularly discharging, and discharging mud can be used for inoculation, has higher economic worth; Sewage overflow discharging after processing, the water outlet bleeder links to each other with the inlet distribution device, makes the part effluent recycling, and reflux ratio is 100～600%; The residue water outlet drains into the garden and focuses on or connect oxygen and process rear discharging up to standard; Can be used for burning boiler or torch burning after the methane recovery.
Method optimum of the present invention ground control wastewater treatment whole process temperature is 20～45 ℃, and the whole process water pH value is 6～9.
The present invention adopts anaerobic technique to process waste water, utilizes organism in the anaerobic mud bed technology Decomposition Wastewater, anaerobic mud bed effective sludge concentration and the biological treatment performance of having improved, water outlet COD and TN are lower, take biotechnology as the basis, technical process is reasonable, and running cost is low.System works is stable, and treatment effect is good.The present invention is equally applicable to the Biological Pretreatment of other similar high densitys organic (fine chemistry industry) wastewater from chemical industry.
Beneficial effect of the present invention is:
The BDO wastewater from chemical industry mainly contains the pollutents such as alcohol, fat and toluene and 2-methoxyl group tetrahydrofuran (THF), and COD value of waste water is high, and is general 20 at 5000 ~ 30000mg/L, about 000mg/L, and during abnormal accident even up to 150,000mg/L.Because waste strength is high, bio-toxicity is large to wait impact, is adopting the high load performance that takes full advantage of the anaerobic sludge bed technique when of the present invention, and the waste discharge that refluxes simultaneously replenishes anaerobic process to the demand of basicity, makes waste water obtain processing under suitable biological load.
The present invention carries out modified, anaerobic biological treatment with the BDO wastewater from chemical industry and removes COD.Use the production equipment small scale of this technology, stable effluent quality, operability and security of system are good, can realize automatization control, have solved a BDO chemical industry high-concentration waste water treatment difficult problem, have reduced again cost for wastewater treatment.
The present invention is based on biologic treating technique, technical process is reasonable, succinct, and running cost is low, is convenient to industrial applications.
Description of drawings
Fig. 1 is the structural representation of BDO chemical wastewater treatment device of the present invention;
Among the figure: 1 wastewater inlet pipe; 2 dosing quality-adjusting devices; 3 anaerobic reaction devices; 4 inlet distribution devices; 5 is anaerobic mud bed; 6 triphase separators; 7 go out water discharge spout; 8 effluent recycling arms; 9 mud discharging pipes; 10 firedamp drainage pipes.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 11,4-butyleneglycol wastewater from chemical industry anaerobic reaction treatment unit 3, comprise the triphase separator 6 at anaerobic mud bed 5 and the top at the inlet distribution device 4 of being located at bottom of device that communicates successively, middle part, the described anaerobic mud bed 5 Sludge Bed bodies that are comprised of a large amount of anaerobions form; Described anaerobic reaction device 3 upwards connects successively mud discharging pipe 9 from the bottom, goes out water discharge spout 7 and firedamp drainage pipe 10; Described inlet distribution device 4 links to each other with wastewater inlet pipe 1, describedly goes out water discharge spout 7 and is provided with the effluent recycling arm 8 that links to each other with wastewater inlet pipe 1.
Anaerobic reaction device in the present embodiment also is provided with modifying device between wastewater inlet pipe 1 and the inlet distribution device 4, and described modifying device comprises the dosing quality-adjusting device 2 that is connected with wastewater inlet pipe 1.This dosing quality-adjusting device 2 is used for entering anaerobic mud bed 5 front adding pH adjusting agent and other nutrition at waste water.
In addition, the described modifying device of present embodiment also comprises a mixing tank (among the figure indicate), this mixing tank be located at the hybrid chamber of static mixer in the wastewater inlet pipe 1 or inlet distribution device 4 bottoms or be located at wastewater inlet pipe 1 and inlet distribution device 4 between equalizing tank.
In the present embodiment, described anaerobic sludge is the Sewage Plant anaerobic sludge through the domestication gained, and the concentration that wherein contains anaerobion is 10～80g/L.
Triphase separator described in the present embodiment is the commercially available prod P-S1 of Bo Ruide company, and described inlet distribution device 4 is the commercially available prod P-F1 of Bo Ruide company.
In addition, treatment unit of the present invention also comprises a Controlling System.This Controlling System is connected with the pilot circuit of the some or all of electricity consumption facility of described device, in order to the whole device of automatic control waste water is processed.
Embodiment 2
The BDO wastewater from chemical industry enters the inlet distribution device.Regulate pH and add nitrogen phosphorus nutrition thing and trace element after input anaerobic mud bed, waste water comes water COD 21,128mg/L, after modified, inlet distribution device water outlet pH value 7.4, wherein COD:N:P is 420:5:0.8.Anaerobic mud bed sludge concentration 50g/L, hydraulic detention time 5 days, the anaerobic reactor effluent recycling is than 150%.
The waste water whole process operating temperature of present embodiment is at 30～32 ℃.Reach after testing water outlet pH6.7 ~ 7.0, COD 786mg/L in the reaction unit.
BDO waste water enters the inlet distribution device.Regulate pH and add nitrogen phosphorus nutrition thing and trace element after input anaerobic mud bed, waste water comes water COD 19,879mg/L, after modified, inlet distribution device water outlet pH value 8.2, wherein COD:N:P is 510:5:1.1.Anaerobic mud bed sludge concentration 70g/L, hydraulic detention time 2.8 days, the anaerobic reactor effluent recycling is than 200%.
The waste water whole process operating temperature of present embodiment is at 34～36 ℃.Reach after testing water outlet pH6.8 ~ 7.1, COD1280mg/L in the reaction unit.
The BDO wastewater from chemical industry enters the inlet distribution device.Regulate pH and add nitrogen phosphorus nutrition thing and trace element after input anaerobic mud bed, waste water comes water COD 23,106mg/L, after modified, inlet distribution device water outlet pH value 7.9, wherein COD:N:P is 480:5:0.8.Anaerobic reactor sludge concentration 58g/L, hydraulic detention time 6 days, the anaerobic reactor effluent recycling is than 150%.
The waste water whole process operating temperature of present embodiment is at 36～38 ℃.Reach after testing water outlet pH6.8 ~ 7.0, COD 618mg/L in the reaction unit.
The BDO wastewater from chemical industry enters the inlet distribution device.Regulate pH and add nitrogen phosphorus nutrition thing and trace element after input anaerobic mud bed, waste water comes water COD 12,145mg/L, after modified, inlet distribution device water outlet pH value 9, wherein COD:N:P is 500:5:1.2.Anaerobic reactor sludge concentration 80g/L, hydraulic detention time 4.5 days, the anaerobic reactor effluent recycling is than 300%.
The waste water whole process operating temperature of present embodiment is at 38～40 ℃.Reach after testing water outlet pH6.9 ~ 7.0, COD 289mg/L in the reaction unit.
Although, above used general explanation, embodiment and test, the present invention is described in detail, on basis of the present invention, can make some modifications or improvements it, and this will be apparent to those skilled in the art.Therefore, these modifications or improvements all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. one kind 1, the anaerobic reaction device of 4-butyleneglycol chemical production wastewater, comprise the triphase separator at the anaerobic mud bed and top at the inlet distribution device of being located at bottom of device that communicates successively, middle part, it is characterized in that: the described anaerobic mud bed Sludge Bed body that is comprised of a large amount of anaerobions forms; Described anaerobic reaction device upwards connects successively the mud discharging pipe from the bottom, goes out water discharge spout and firedamp drainage pipe; Described inlet distribution device links to each other with wastewater inlet pipe, describedly goes out water discharge spout and is provided with the effluent recycling arm that links to each other with wastewater inlet pipe.
2. treatment unit as claimed in claim 1 is characterized in that, also is provided with modifying device between described wastewater inlet pipe and the inlet distribution device, and described modifying device comprises the dosing quality-adjusting device that is connected with wastewater inlet pipe at least.
3. treatment unit as claimed in claim 1, it is characterized in that, described modifying device also comprises a mixing tank, described mixing tank be located at the hybrid chamber of static mixer in the wastewater inlet pipe or inlet distribution device bottom or be located at wastewater inlet pipe and the inlet distribution device between equalizing tank.
4. treatment unit as claimed in claim 1 is characterized in that, the concentration of described anaerobic mud bed middle anaerobion is 10～80g/L.
5. treatment unit as claimed in claim 1 is characterized in that, described treatment unit also comprises a Controlling System.
6. the treatment process of a BDO chemical production wastewater is characterized in that, may further comprise the steps:
(1) water inlet modifier treatment: BDO wastewater from chemical industry pump to the inlet distribution device, is carried out pH regulator to waste water and adds nutrition and trace element nitrogenous, phosphorus and finish modified in modifying device;
(2) anaerobic treatment: the waste water after modified enters anaerobic reaction device Sludge Bed bottom by the inlet distribution device, and the pollutent in the waste water is degraded by microorganisms in the Sludge Bed of anaerobic reaction device, and discharges biogas;
(3) water outlet and collecting methane: waste water, anaerobic sludge and biogas enter the triphase separator on reaction unit top behind anaerobic degradation, realize the separation of anaerobic sludge, water outlet and biogas; Anaerobic sludge is back to Sludge Bed and is trapped in the reaction unit, and unnecessary mud regularly discharges through the mud discharging pipe; Water outlet is through going out the water discharge spout overflow discharge, and the part water outlet is back to into the water modifying device through the effluent recycling arm; Biogas is recycled after the firedamp drainage pipe is discharged.
7. treatment process according to claim 6 is characterized in that, in the described step 1, adds nutrition and trace element nitrogenous, phosphorus, and controlling modified rear waste water COD: N:P is 400～800:5:0.5～2.
8. treatment process according to claim 6 is characterized in that, in the described step 2, anaerobic sludge concentration is at 10～80g/L in the control anaerobic reaction device, and the control hydraulic detention time is 1～10 day; The pH of waste water is 6～9 behind the control anaerobic degradation, and temperature is 20～45 ℃, preferably controls behind the anaerobic degradation pH of waste water and be 6.5～7.2, temperature is 30～38 ℃.
9. treatment process according to claim 6 is characterized in that, described water part is back to into the water modifying device, and the control reflux ratio is 100～600%.
10. such as each described treatment process of claims 6-9, it is characterized in that described BDO wastewater from chemical industry COD is more than 5000mg/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104862624A CN102923856A (en) | 2012-11-26 | 2012-11-26 | Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104862624A CN102923856A (en) | 2012-11-26 | 2012-11-26 | Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102923856A true CN102923856A (en) | 2013-02-13 |
Family
ID=47638820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104862624A Pending CN102923856A (en) | 2012-11-26 | 2012-11-26 | Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102923856A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291524A (en) * | 2014-09-22 | 2015-01-21 | 中国石油化工股份有限公司 | Continuous treatment method of 1,4-butanediol (BDO) oxidized wastewater |
| CN104609667A (en) * | 2015-01-26 | 2015-05-13 | 新疆天智辰业化工有限公司 | Mixed treatment method for wastewater in 1,4-butanediol and ethanediol production |
| CN108101208A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | The anaerobic in low temperature processing unit and its treatment process of a kind of high concentrated organic wastewater |
| CN110436709A (en) * | 2019-08-14 | 2019-11-12 | 浙江巨能环境工程有限公司 | A kind of high concentration waste water of cis-anhydride processing unit and processing method |
| CN113697949A (en) * | 2021-08-20 | 2021-11-26 | 中钢集团鞍山热能研究院有限公司 | Short-flow anaerobic reactor device and high-concentration organic wastewater pretreatment method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785844A (en) * | 2005-12-15 | 2006-06-14 | 南京大学 | Biological anaerobic reactor of textile printing dyeing waste water |
| CN101378998A (en) * | 2006-01-05 | 2009-03-04 | 拜奥坦***国际有限公司 | Process and reactor for anaerobic waste water purification |
| CN202529904U (en) * | 2012-04-08 | 2012-11-14 | 营口市环境工程开发有限公司 | Anaerobic reactor |
-
2012
- 2012-11-26 CN CN2012104862624A patent/CN102923856A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785844A (en) * | 2005-12-15 | 2006-06-14 | 南京大学 | Biological anaerobic reactor of textile printing dyeing waste water |
| CN101378998A (en) * | 2006-01-05 | 2009-03-04 | 拜奥坦***国际有限公司 | Process and reactor for anaerobic waste water purification |
| CN202529904U (en) * | 2012-04-08 | 2012-11-14 | 营口市环境工程开发有限公司 | Anaerobic reactor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291524A (en) * | 2014-09-22 | 2015-01-21 | 中国石油化工股份有限公司 | Continuous treatment method of 1,4-butanediol (BDO) oxidized wastewater |
| CN104291524B (en) * | 2014-09-22 | 2016-08-24 | 中国石化仪征化纤有限责任公司 | BDO oxidized waste water continuous treatment method |
| CN104609667A (en) * | 2015-01-26 | 2015-05-13 | 新疆天智辰业化工有限公司 | Mixed treatment method for wastewater in 1,4-butanediol and ethanediol production |
| CN108101208A (en) * | 2017-12-13 | 2018-06-01 | 同济大学 | The anaerobic in low temperature processing unit and its treatment process of a kind of high concentrated organic wastewater |
| CN110436709A (en) * | 2019-08-14 | 2019-11-12 | 浙江巨能环境工程有限公司 | A kind of high concentration waste water of cis-anhydride processing unit and processing method |
| CN113697949A (en) * | 2021-08-20 | 2021-11-26 | 中钢集团鞍山热能研究院有限公司 | Short-flow anaerobic reactor device and high-concentration organic wastewater pretreatment method |
| CN113697949B (en) * | 2021-08-20 | 2023-03-10 | 中钢集团鞍山热能研究院有限公司 | Short-process anaerobic reactor device and high-concentration organic wastewater pretreatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110451721B (en) | Carbon and nitrogen removal treatment device and method for leachate of waste incineration plant | |
| CN101811797B (en) | Coal gasification waste water biochemical treatment equipment and method | |
| CN100422096C (en) | Apparatus and method of treating city domestic refuse percolation liquid by two-stage UASB+A/O technique | |
| CN100371270C (en) | Combined treatment process for manioc producing effluent | |
| CN100534928C (en) | Short-path deep biological denitrogenation method for city garbage percolate | |
| CN101698550A (en) | Advanced treating method of landfill leachate | |
| CN102295384B (en) | 1,4-butanediol chemical waste water treatment technology | |
| CN106430563A (en) | Treatment system and treatment method for up-to-standard discharge of livestock and poultry wastewater | |
| CN110156174B (en) | Mixed strain fermentation biological pretreatment method for high-concentration high-salt pharmaceutical wastewater | |
| CN202089870U (en) | Biological treatment device for hydroxyethyl cellulose industrial waste water | |
| CN102557359A (en) | Device for treating wastewater during production of pentaerythritol | |
| CN102923856A (en) | Anaerobic reaction device and processing method for 1,4-butanediol chemical wastewater | |
| CN104211252B (en) | Percolate short-cut nitrification and denitrification denitrification process | |
| CN107285573A (en) | The processing method and system of a kind of percolate | |
| CN108383320A (en) | A kind of integrated processing method of livestock breeding wastewater | |
| CN101805096B (en) | Method for treating rubbish percolates of different times for deep denitrification by using bipolar USAB+A/O+SBR process | |
| CN115367952A (en) | High-salinity sewage accident sewage and low-salinity high-concentration sewage comprehensive treatment system and method | |
| CN101659502A (en) | Method for treating waste leachate by utilizing high denitrification shared type Orbal oxidation ditch | |
| CN114685014A (en) | Livestock and poultry breeding wastewater treatment circulating system | |
| CN207259325U (en) | A kind of cooperating type emulsifying liquid waste water processing system | |
| CN105417705A (en) | Fracturing flowback fluid biological processing method based on BESI technology | |
| CN211712893U (en) | Difficult degradation industrial waste water treatment system | |
| CN111559837A (en) | Landfill leachate biochemical treatment system and process | |
| CN204111523U (en) | Percolate short-cut nitrification and denitrification denitrogenation special purpose device | |
| CN201427917Y (en) | Treatment device for landfill leachate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130213 |