CN104310712B - A kind for the treatment of process of coal chemical industrial waste water - Google Patents
A kind for the treatment of process of coal chemical industrial waste water Download PDFInfo
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- CN104310712B CN104310712B CN201410607398.5A CN201410607398A CN104310712B CN 104310712 B CN104310712 B CN 104310712B CN 201410607398 A CN201410607398 A CN 201410607398A CN 104310712 B CN104310712 B CN 104310712B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
Abstract
The present invention relates to a kind for the treatment of process of coal chemical industrial waste water, said method comprising the steps of: oil removal-coagulating sedimentation-anaerobism dephenolize-creeping bed-catalytic ozonation-MBR-clean water basin.The present invention, by anaerobism dephenolize being coupled with creeping bed, catalytic ozonation, MBR etc., processing coal chemical industrial waste water, can reach " integrated wastewater discharge standard " GB8978-1996 first discharge standard; And by the fixing aerobic denitrification microorganism bacterium ZHB35 in bio-carrier inside to creeping bed, to realize removing ammonia nitrogen and total nitrogen while removal COD in creeping bed pond, the removal of total phosphorus can be promoted simultaneously.The present invention is practical, is applicable to waste plant newly-built and put forward mark improvement project, can effectively saves initial cost and running cost, and has anti-shock loading, manages simple, stable, high treating effect.
Description
Technical field
The present invention relates to technical field of coal chemical industry, particularly relate to a kind for the treatment of process of coal chemical industrial waste water.
Background technology
Coal chemical industrial waste water complicated component, very difficult.Tradition coal chemical wastewater treating technique is: oil removal-air supporting-precipitation-biochemistry (activated sludge process A/O, SBR etc.)-charcoal absorption or Fenton oxidation.Its subject matter existed is: running cost is high, complicated operation, and process is difficult up to standard.Equalizing tank, oil removal, air supporting, coagulating sedimentation, biochemistry (activated sludge process A/O; SBR etc.) subject matter that exists is that running cost is very high; in coal chemical industrial waste water, principal pollutant are coal tar oily substances; wherein the content of phenols is the highest; phenol is easily oxidized to the quinones substance of difficult for biological degradation more when aerobic; polyphenol is easy open loop under the effect of anerobe, and namely carboxylation-benzoylation-open loop-scission of link-methane phase reaction occurs.Therefore, how in anaerobic reaction, the key that aldehydes matter is coal chemical industrial waste water process is removed as early as possible.
Can only nitrification be carried out in waste water treatment process aerobic aeration pond, also need anoxic pond to carry out anti-digestion and could realize denitrogenation.The present invention adopts creeping bed can realize synchronous anti-digestion in aerobic aeration pond, improves denitrogenation processing effect.Can only nitrification be carried out in conventional waste water treatment process aerobic aeration pond, also need anoxic pond to carry out anti-digestion and could realize denitrogenation.
Summary of the invention
In view of this, the object of the present invention is to provide a kind for the treatment of process of coal chemical industrial waste water.
For achieving the above object, the invention provides a kind for the treatment of process of coal chemical industrial waste water, comprising the following steps:
1) waste water removes suspension coal tar through oil removal;
2) fine suspension in coagulating sedimentation removal waste water and emulsification oily substance;
3) water outlet after coagulating sedimentation enters anaerobic reactor and carries out anaerobism phenol removal;
4) water outlet after dephenolize enters creeping bed and processes;
5) creeping bed water outlet enters the organism that catalytic ozonation oxidation is difficult to biochemistry, to improve biodegradability, is conducive to follow-up film treating processes;
6) water outlet of ozone oxidation pond enters MBR membrane bioreactor and carries out film process, can continue in-depth, reaches Chinese effluent or reuse after " integrated wastewater discharge standard " GB8978-1996 first discharge standard;
7) sludge thickener mud out outward transport after dehydration; The water deviate from is delivered to clean water basin and is continued reuse.
Further, wherein step 1) described in oil removal method be gravity oil removal.
Further, wherein step 2) coagulating agent that adopts in described coagulating sedimentation is PAC or PAM, dosage is 30-50mg/L, and sedimentation time is 0.5-1.0h.
Further, wherein step oil removal 3) described in anaerobic reactor be UASB anaerobic reactor, hydraulic detention time is 4.0-8.0 hour, and temperature of reaction is 20-35 DEG C.
Further, wherein step 3) dephenolize rate after described anaerobism phenol removal reaches more than 70%; Described anaerobism phenol removal is added with anaerobism Phenol-Degradation Bacteria ZHB655, and dosage is 0.5-1kg/m
3.
Further, wherein step 4) described in this creeping bed comprise one-level pretreatment unit, two stage biological processing unit and three grades of advanced treatment units, the first sludge settling district is provided with in this one-level pretreatment unit, it is provided with water inlet pipe and the first shore pipe, be ten grades of cascaded structures in this two stage biological processing unit, wherein one, three, five, seven, nine grades is flow lifting type, the microbial bacteria added is respectively ZHB35, ZHB35M, ZHB35S, ZHB11, ZHB22, two, four, six, eight, ten grades for falling streaming, the microbial bacteria added is respectively ZHB22, ZHB35M, ZHB35S, ZHB655, ZHB95, the dosage of microbial bacteria is 0.5-1kg/m
3bio-carrier, this bio-carrier is high-molecular porous Elastic Block, and its density is 25kg/m
3, carrier specification is long 30mm, wide 30mm, the square of high 30mm, two-layer punched-plate is fixed with respectively in this two stage biological processing unit, and be filled with bio-carrier between upper and lower layer punched-plate, filling ratio is 70%, aeration tube is equipped with above lower floor's punched-plate, the second sludge settling district and the second shore pipe is provided with below lower floor's punched-plate, be provided with the 3rd sludge settling district in these three grades of advanced treatment units, and be provided with medicine system, water shoot and the 3rd shore pipe.
Further, wherein step 4) hydraulic detention time of described creeping bed is 4 ~ 15 hours, dissolved oxygen DO concentration is 1.5mg/L ~ 4mg/L; The waste water C/N of described creeping bed is greater than 7/1.
Further, wherein step 4) in water outlet after described dephenolize containing quinolines, benzene class and derivative, pyridine compounds and their, naphthalene compounds, Benzazole compounds, carbazole compound, furfuran compound, glyoxaline compound and azoles.
Further, wherein step 5) described ozone dosage is 100-150g/m
3, described in be difficult to biochemical organism be biphenyl, terphenyl, phenothiazines or thiophene-based, ring is opened by these many lopps matter utilization catalytic ozonations, for follow-up MBR biochemical treatment creates conditions.
Further, wherein step 6) mould material of described MBR membrane bioreactor is PVDF, nominal pore size is 0.1 μm, and single membrane module area is 20m
2, pH scope is 6-9, and work water temperature is 5-40 DEG C, and maximum aspiration pressure is 1.0bar, and permeant flux is 20L/m
2.
The beneficial effect that the present invention has relative to prior art is:
The present invention, by anaerobism dephenolize being coupled with creeping bed, catalytic ozonation, MBR etc., processing coal chemical industrial waste water, can reach " integrated wastewater discharge standard " GB8978-1996 first discharge standard; And by the fixing aerobic denitrification microorganism bacterium ZHB series in bio-carrier inside to creeping bed, to realize removing ammonia nitrogen and total nitrogen while removal COD in creeping bed pond, the removal of total phosphorus can be promoted simultaneously.The present invention is practical, is applicable to waste plant newly-built and put forward mark improvement project, can effectively saves initial cost and running cost, and has anti-shock loading, manages simple, stable, high treating effect.
figure of description
Fig. 1 is the processing technological flow figure of coal chemical industrial waste water of the present invention.
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, existing following detailed description is carried out to technical scheme of the present invention, but can not be interpreted as to of the present invention can the restriction of practical range.
Below in conjunction with embodiment, the invention will be further described.Preparation:
Example 1
As shown in Figure 1, the invention provides a kind for the treatment of process of coal chemical industrial waste water, comprise the following steps:
The invention provides a kind for the treatment of process of coal chemical industrial waste water, comprise the following steps:
1) waste water to be processed is needed to remove suspension coal tar through gravity oil removal method;
2) adopt the coagulating agent PAC(polymerize aluminum chloride of 30-50mg/L, commercially available) or PAM(polyacrylamide, commercially available) coagulating sedimentation removes fine suspension in waste water and emulsification oily substance, sedimentation time is 0.5-1.0h;
3) water outlet after coagulating sedimentation enters UASB anaerobic reactor and carries out anaerobism phenol removal, hydraulic detention time is 4.0-8.0 hour, temperature of reaction is 20-35 DEG C, dephenolize rate reaches more than 70%, described anaerobism phenol removal is added with anaerobism Phenol-Degradation Bacteria ZHB655(purchased from purchased from Correspondent environmental science and technology company limited permanent in Beijing), dosage is 0.5-1kg/m
3;
4) water outlet (containing quinolines, benzene class and derivative, pyridine compounds and their, naphthalene compounds, Benzazole compounds, carbazole compound, furfuran compound, glyoxaline compound and azoles) after dephenolize enters creeping bed and processes, the hydraulic detention time of described creeping bed is 4 ~ 15 hours, and dissolved oxygen DO concentration is 1.5mg/L ~ 4mg/L; The waste water C/N of described creeping bed is greater than 7/1;
5) creeping bed water outlet enters the organism (biphenyl, terphenyl, phenothiazines or thiophene-based) that the oxidation of ozone oxidation pond is difficult to biochemistry, and to improve biodegradability, be conducive to follow-up film treating processes, wherein ozone dosage is 100-150g/m
3;
6) water outlet of ozone oxidation pond enters MBR membrane bioreactor (mould material is PVDF, and nominal pore size is 0.1 μm, and single membrane module area is 20m
2, pH scope is 6-9, and work water temperature is 5-40 DEG C, and maximum aspiration pressure is 1.0bar, and permeant flux is 20L/m
2) carry out film process, in-depth can be continued, reach Chinese effluent or reuse after " integrated wastewater discharge standard " GB8978-1996 first discharge standard;
7) sludge thickener mud out outward transport after dehydration; The water deviate from is delivered to clean water basin and is continued reuse.
Further, wherein step 4) described in this creeping bed comprise one-level pretreatment unit, two stage biological processing unit and three grades of advanced treatment units, the first sludge settling district is provided with in this one-level pretreatment unit, it is provided with water inlet pipe and the first shore pipe, be ten grades of cascaded structures in this two stage biological processing unit, wherein one, three, five, seven, nine grades is flow lifting type, the microbial bacteria added is respectively ZHB35, ZHB35M, ZHB35S, ZHB11, ZHB22(is all purchased from purchased from Correspondent environmental science and technology company limited permanent in Beijing), two, four, six, eight, ten grades for falling streaming, the microbial bacteria added is respectively ZHB22, ZHB35M, ZHB35S, ZHB655, ZHB95(is all purchased from purchased from Correspondent environmental science and technology company limited permanent in Beijing), the dosage of microbial bacteria is 0.5-1kg/m
3bio-carrier, this bio-carrier is high-molecular porous Elastic Block, and its density is 25kg/m
3, carrier specification is long 30mm, wide 30mm, the square of high 30mm, two-layer punched-plate is fixed with respectively in this two stage biological processing unit, and be filled with bio-carrier between upper and lower layer punched-plate, filling ratio is 70%, aeration tube is equipped with above lower floor's punched-plate, the second sludge settling district and the second shore pipe is provided with below lower floor's punched-plate, be provided with the 3rd sludge settling district in these three grades of advanced treatment units, and be provided with medicine system, water shoot and the 3rd shore pipe.
Embodiment 2 treatment process of the present invention and SBR Piglet s colibacillosis
In order to verify the effect for the treatment of process of the present invention, under the condition that influent quality is identical, we are carrying out the by a definite date simultaneous test of month (see table 1) in the employing of Ningxia Firing Shenhua Coal preparing dimethy ether device wastewater treatment scene with treatment process of the present invention and the treatment process of taking as the leading factor with activated sludge process SBR on April 1st, 2011, " integrated wastewater discharge standard " GB8978-1996 first discharge standard is reached after requiring process, namely CODcr is less than 100mg/L, and ammonia nitrogen is less than 15mg/L.Wherein, the designing treatment water yield Q=30L/h for the treatment of process of the present invention, effective hydraulic detention time is 6.6 hours, and all the other processing condition are with embodiment 1, the technological condition of contrast technique (SBR+ Fenton oxidation) is set as: 8 hours SBR mono-pond cycles of operation, sludge loading 0.2KgBOD
5/ (KgMLSSd); It is 27% that Fenton oxidation unit hydrogen peroxide adds concentration, and ferrous sulfate adds concentration 5%, and liquid caustic soda adds concentration 30%, and effective hydraulic detention time is 2 hours.
Table 1
As shown in table 1, under the prerequisite that flow condition is the same, carry out treatment effect compare, through the operation of month, prove that treatment process of the present invention (treatment process based on creeping bed) successful is higher than SBR, indices all can reach the first discharge standard of " integrated wastewater discharge standard " GB8978-1996.And environmental health condition is good, odorless, running cost is low, produces mud few, simple to operate, stable.Through waste water treatment plant's assay, the on-the-spot simultaneous test of month by a definite date can be found out, influent COD average out to 1146mg/L, and the average water outlet COD of creeping bed integration apparatus is 59mg/L, and clearance is the water outlet of 95%, SBR pond is 125mg/L, and clearance is 89%.
Ammonia nitrogen water inlet 162mg/L, treatment process of the present invention (treatment process based on creeping bed) water outlet ammonia nitrogen is 11mg/L, and clearance is the water outlet of 93%, SBR pond is 121mg/L, and clearance is 25%.
Find out from table 1 experimental result, treatment process of the present invention (treatment process based on creeping bed) compares with current Coal Chemical Industry conventional treatment process SBR (A2/O)-BAF treatment process and has following outstanding advantages:
1, flow process is short, and processing efficiency is high, and denitrification effect is very good, and water outlet overall target all can stablize the first discharge standard reaching " waste water comprehensive discharge standard " GB8978-1996.
2, strong shock resistance.Within 2-3 days, just can automatically recover after impacting.
3, processing unit clean hygiene, produces without unpleasant odor, avoids secondary pollution.
4, take up an area little, there is no waste water and sludge recirculation system, also do not need back-purge system.
5, sludge output is few, and the expense of the solid slag of process is low.
These are only the preferred embodiment cited by the present invention, and be not used to limit the scope of the invention, the equivalence that the those of ordinary skill in art uses the present invention to do is modified or change, all with belonging to scope of patent protection of the present invention.
Claims (8)
1. a treatment process for coal chemical industrial waste water, is characterized in that, comprises the following steps:
1) waste water removes suspension coal tar through oil removal;
2) fine suspension in coagulating sedimentation removal waste water and emulsification oily substance, wherein, the coagulating agent adopted in described coagulating sedimentation is PAC or PAM, and dosage is 30-50mg/L, and sedimentation time is 0.5-1.0h;
3) water outlet after coagulating sedimentation enters anaerobic reactor and carries out anaerobism phenol removal;
4) water outlet after dephenolize enters creeping bed and carries out secondary biochemical treatment, wherein, described creeping bed comprises one-level pretreatment unit, two stage biological processing unit and three grades of advanced treatment units, the first sludge settling district is provided with in this one-level pretreatment unit, it is provided with water inlet pipe and the first shore pipe, be ten grades of cascaded structures in this two stage biological processing unit, wherein one, three, five, seven, nine grades is flow lifting type, the microbial bacteria added is respectively ZHB35, ZHB35M, ZHB35S, ZHB11, ZHB22, two, four, six, eight, ten grades for falling streaming, the microbial bacteria added is respectively ZHB22, ZHB35M, ZHB35S, ZHB655, ZHB95, the dosage of microbial bacteria is 0.5-1kg/m
3bio-carrier, this bio-carrier is high-molecular porous Elastic Block, and its density is 25kg/m
3, carrier specification is long 30mm, wide 30mm, the square of high 30mm, two-layer punched-plate is fixed with respectively in this two stage biological processing unit, and be filled with bio-carrier between upper and lower layer punched-plate, filling ratio is 70%, aeration tube is equipped with above lower floor's punched-plate, the second sludge settling district and the second shore pipe is provided with below lower floor's punched-plate, be provided with the 3rd sludge settling district in these three grades of advanced treatment units, and be provided with medicine system, water shoot and the 3rd shore pipe,
5) creeping bed water outlet enters the organism that catalytic ozonation oxidation is difficult to biochemistry, improves biodegradability;
6) water outlet of ozone oxidation pond enters MBR membrane bioreactor and carries out film process, reaches Chinese effluent or reuse after " integrated wastewater discharge standard " GB8978-1996 first discharge standard;
7) sludge thickener mud out outward transport after dehydration; The water deviate from is delivered to clean water basin and is continued reuse.
2. treatment process as claimed in claim 1, is characterized in that, step 1) described in oil removal method be gravity oil removal.
3. treatment process as claimed in claim 1, is characterized in that, step oil removal 3) described in anaerobic reactor be UASB anaerobic reactor, hydraulic detention time is 4.0-8.0 hour, and temperature of reaction is 20-35 DEG C.
4. treatment process as claimed in claim 1, is characterized in that, step 3) dephenolize rate after described anaerobism phenol removal reaches more than 70%; Described anaerobism phenol removal is added with anaerobism Phenol-Degradation Bacteria ZHB655, and dosage is 0.5-1kg/m
3.
5. treatment process as claimed in claim 1, is characterized in that, step 4) hydraulic detention time of described creeping bed is 4 ~ 15 hours, dissolved oxygen DO concentration is 1.5mg/L ~ 4mg/L; The waste water C/N of described creeping bed is greater than 7/1.
6. treatment process as claimed in claim 1, it is characterized in that, step 4) in water outlet after described dephenolize containing quinolines, benzene class and derivative, pyridine compounds and their, naphthalene compounds, Benzazole compounds, carbazole compound, furfuran compound, glyoxaline compound and azoles.
7. treatment process as claimed in claim 1, is characterized in that, step 5) described ozone dosage is 100-150g/m
3, described in be difficult to biochemical organism be biphenyl, terphenyl, phenothiazines or thiophene-based, ring is opened by these many lopps matter utilization catalytic ozonations, for follow-up MBR biochemical treatment creates conditions.
8. treatment process as claimed in claim 1, is characterized in that, step 6) mould material of described MBR membrane bioreactor is PVDF, nominal pore size is 0.1 μm, and single membrane module area is 20m
2, pH scope is 6-9, and work water temperature is 5-40 DEG C, and maximum aspiration pressure is 1.0bar, and permeant flux is 20L/m
2.
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| CN109626761A (en) * | 2019-02-02 | 2019-04-16 | 河北科技大学 | The devices and methods therefor of catalytic ozonation joint MBR deep treatment of pharmaceutical waste water |
| CN110228898A (en) * | 2019-05-10 | 2019-09-13 | 久沛（上海）环保科技有限公司 | A kind of technique of catalytic ozonation-MBR Combined Treatment coal chemical industrial waste water |
| CN110240365A (en) * | 2019-07-18 | 2019-09-17 | 四川恒泰环境技术有限责任公司 | A kind of coal chemical industry high concentration wastewater treatment system and its method |
| CN110563275A (en) * | 2019-09-25 | 2019-12-13 | 河北省环境科学研究院 | Method for reducing biological toxicity of coking wastewater |
| CN112573769B (en) * | 2020-12-09 | 2022-09-13 | 江苏鲲鹏环保工程技术有限公司 | High-efficiency treatment device and treatment method for industrial coking coal wastewater |
| CN115466008A (en) * | 2022-08-26 | 2022-12-13 | 华中科技大学 | Combined treatment method and process for coking phenol-cyanogen sewage |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639296Y (en) * | 2003-02-14 | 2004-09-08 | 胡志忠 | Integral deep treater for sewage |
| CN101428945A (en) * | 2008-12-15 | 2009-05-13 | 上海埃梯梯恒通先进水处理有限公司 | Method and apparatus for treating and recycling carbonized wastewater |
| KR100953058B1 (en) * | 2009-10-07 | 2010-04-13 | 김창환 | Natural high-treatment system |
| CN101781064A (en) * | 2010-03-12 | 2010-07-21 | 北京林业大学 | Process for advanced treatment of gas wastewater |
| WO2011098166A1 (en) * | 2010-02-11 | 2011-08-18 | Voith Patent Gmbh | Wastewater purifying system |
| CN203144232U (en) * | 2012-12-31 | 2013-08-21 | 北京清大国华环保科技有限公司 | Coal chemical high-concentration wastewater treatment device |
| CN203307175U (en) * | 2013-05-27 | 2013-11-27 | 内蒙古久科康瑞环保科技有限公司 | Deep coking wastewater treatment device by using advanced oxidation process combined with membrane bioreactor |
| CN103693810A (en) * | 2013-12-23 | 2014-04-02 | 北京清大国华环保科技有限公司 | Method and device for efficient biochemical treatment of refractory wastewater |
| CN103910460A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Coal chemical industry high-concentration wastewater treatment method and apparatus |
| JP2014128790A (en) * | 2012-12-27 | 2014-07-10 | Lotte Engineering And Construction Co Ltd | Waste water treatment apparatus |
-
2014
- 2014-11-03 CN CN201410607398.5A patent/CN104310712B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2639296Y (en) * | 2003-02-14 | 2004-09-08 | 胡志忠 | Integral deep treater for sewage |
| CN101428945A (en) * | 2008-12-15 | 2009-05-13 | 上海埃梯梯恒通先进水处理有限公司 | Method and apparatus for treating and recycling carbonized wastewater |
| KR100953058B1 (en) * | 2009-10-07 | 2010-04-13 | 김창환 | Natural high-treatment system |
| WO2011098166A1 (en) * | 2010-02-11 | 2011-08-18 | Voith Patent Gmbh | Wastewater purifying system |
| CN101781064A (en) * | 2010-03-12 | 2010-07-21 | 北京林业大学 | Process for advanced treatment of gas wastewater |
| JP2014128790A (en) * | 2012-12-27 | 2014-07-10 | Lotte Engineering And Construction Co Ltd | Waste water treatment apparatus |
| CN203144232U (en) * | 2012-12-31 | 2013-08-21 | 北京清大国华环保科技有限公司 | Coal chemical high-concentration wastewater treatment device |
| CN103910460A (en) * | 2012-12-31 | 2014-07-09 | 北京清大国华环保科技有限公司 | Coal chemical industry high-concentration wastewater treatment method and apparatus |
| CN203307175U (en) * | 2013-05-27 | 2013-11-27 | 内蒙古久科康瑞环保科技有限公司 | Deep coking wastewater treatment device by using advanced oxidation process combined with membrane bioreactor |
| CN103693810A (en) * | 2013-12-23 | 2014-04-02 | 北京清大国华环保科技有限公司 | Method and device for efficient biochemical treatment of refractory wastewater |
Non-Patent Citations (3)
| Title |
|---|
| "一体化生物蠕动床污水处理工艺";李正有等;《石化技术与应用》;20080530;第28卷(第3期);第271-272页 * |
| "新型煤化工废水处理技术研究进展";于海等;《工业用水与废水》;20140630;第45卷(第3期);第1-5页 * |
| "曝气生物蠕动床污水处理工艺在庆阳石化的应用";李正有等;《炼油技术与工程》;20071231;第37卷(第12期);第30-32页 * |
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