CN113003899A - Method for treating rhodiola rosea pharmaceutical wastewater - Google Patents
Method for treating rhodiola rosea pharmaceutical wastewater Download PDFInfo
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- CN113003899A CN113003899A CN202110464366.4A CN202110464366A CN113003899A CN 113003899 A CN113003899 A CN 113003899A CN 202110464366 A CN202110464366 A CN 202110464366A CN 113003899 A CN113003899 A CN 113003899A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
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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
- C02F3/30—Aerobic and anaerobic processes
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Abstract
The invention discloses a method for treating rhodiola pharmaceutical wastewater, the rhodiola pharmaceutical wastewater firstly enters a pretreatment unit, and the wastewater after regulation, flocculation and precipitation enters A2The water quality of the final effluent after ozone catalytic oxidation, Biological Aerated Filter (BAF) and sand filtration reaches LiaoningThe index of table 1 in the provincial wastewater comprehensive discharge standard DB21.1627-2008 completes the treatment process of the rhodiola pharmaceutical wastewater. The treatment method provided by the invention is energy-saving, efficient and flexible, and the treated sewage can reach the standard and be discharged.
Description
Technical Field
The invention relates to a method and a device for sewage treatment, in particular to a method for treating rhodiola rosea pharmaceutical wastewater, and belongs to the technical field of sewage treatment.
Background
Rhodiola rosea, namely rhodiola rosea and rhodiola rosea, and broomrape, have the following properties and tastes: sweet, bitter and neutral. It enters lung and heart meridians. It is mainly used for treating pharyngalgia, lung pain, pharyngalgia, and lung pain. The rhodiola pharmaceutical wastewater mainly comes from rhodiola water extraction concentrated cooling liquid wastewater, ultrafiltrate concentrated cooling liquid wastewater, bottle washing wastewater, domestic sewage and the like. The traditional Chinese medicine wastewater has the characteristics of high organic pollutant concentration, high suspended matter content, high chromaticity and the like, and is usually subjected to biochemical treatment after pretreatment, such as hydrolytic acidification, contact oxidation, flocculation precipitation process, iron-carbon micro-electrolysis, catalytic oxidation, A/O biochemical combined process, CASS process and the like. Aiming at the precedent that the rhodiola pharmaceutical wastewater is not treated, a process method of the rhodiola pharmaceutical wastewater needs to be developed.
Disclosure of Invention
In order to solve the above problems, the present invention aims to provide a method for treating rhodiola rosea pharmaceutical wastewater, which can be used for treating rhodiola rosea pharmaceutical wastewater to make the wastewater discharged by pharmaceutical factory sewage treatment plants reach the discharge standard.
In order to realize the technical purpose, the invention provides a method for treating rhodiola pharmaceutical wastewater, which comprises the following steps:
the method comprises the following steps: the rhodiola pharmaceutical wastewater firstly enters a pretreatment unit for regulation and flocculation precipitation treatment;
step two: the effluent of the pretreatment unit enters A2the/O biochemical treatment unit is used for treating the wastewater, and the wastewater is sent to the third-level treatment unit;
step three: a. the2The sludge generated after the treatment of the/O biochemical treatment unit is sent to a sludge treatment unit, and the dewatered sludge cake is treated by outsourcing;
step four: in the three-stage treatment unit, the wastewater is subjected to catalytic ozonation, Biological Aerated Filter (BAF) and sand filtration, and the final effluent quality reaches the discharge standard of table 2 in the discharge Standard of pollutants for pharmaceutical industry of traditional Chinese medicines (GB21906-2008), and then is discharged. The treatment process of the rhodiola pharmaceutical wastewater is completed, the pH value of the treated wastewater is 6-9, the COD is less than or equal to 50mg/L, and the BOD5Less than or equal to 40mg/L, ammonia nitrogen less than or equal to 8.0mg/L, suspended matters less than or equal to 20mg/L, and sewage can reach the standard discharge.
The treatment method aims at the rhodiola pharmaceutical wastewater. The pharmaceutical wastewater of radix Rhodiolae mainly comes from water extraction concentrated cooling liquid wastewater of radix Rhodiolae, and concentrated cooling of ultrafiltrateLiquid waste water, bottle washing waste water, domestic sewage and the like. The pH value of the wastewater is 6-9, COD is less than or equal to 4000mg/L, and BOD5Less than or equal to 1200mg/L, ammonia nitrogen less than or equal to 50mg/L and suspended matters less than or equal to 300 mg/L.
The treatment method comprises the steps of enabling the wastewater to enter a flocculation reaction tank after passing through a regulating tank, enabling the wastewater to enter a sedimentation tank after passing through the flocculation reaction tank, and enabling the wastewater to enter a treatment tank A after passing through the sedimentation tank in a pretreatment unit2an/O biochemical treatment unit.
In the further implementation of the invention, after the wastewater is regulated by the regulating tank, the temperature of the wastewater is controlled to be 25-35 ℃, and the pH of the wastewater is controlled to be 6-9.
In a further embodiment of the invention, the flocculation reaction tank requires the addition of a coagulant. For example, the coagulant can be polyacrylamide, ferric chloride, aluminum sulfate. The retention time of the flocculation reaction tank is 15-20 minutes, the amount of the added medicament is determined according to experiments, and the retention time of the sedimentation tank is 1-2 hours.
The treatment method of the invention comprises A2And the/O biochemical treatment unit is characterized in that in the biochemical unit, the sewage enters an anoxic tank after being treated by an anaerobic tank, enters an aerobic tank after being treated by the anoxic tank, enters a sedimentation tank after being treated by the aerobic tank, the effluent of the sedimentation tank enters a three-stage treatment unit, the sludge in the sedimentation tank enters a sludge treatment unit, and part of effluent of the aerobic tank flows back to the anoxic tank.
In a further embodiment of the invention, the volume load of the anaerobic pool is 4-6 kgCOD/(m)3And d), the retention time of the anaerobic tank is 6-8 h. The DO of the anaerobic tank is 0.2-0.3 mg/L.
In further implementation of the invention, the volume load of the anoxic pond is 3-5 kgCOD/(m)3D), the retention time is 6-8 h, and the DO is 0.2-0.5 mg/L.
In a further embodiment of the invention, the aerobic tank has a volumetric load of 1-2 kgBOD/(m)3D), the retention time is 10-15 h, the MLSS of the aerobic tank is 6000-10000 mg/L, and the DO is 4 mg/L.
The treatment method comprises the steps that in the sludge treatment unit, after sludge is compressed and precipitated by the sludge concentration tank, the sludge enters the sludge dewatering machine for dewatering, and the generated sludge cake with the water content of 75-85% is transported outside. The retention time of the sludge concentration tank is 24-36 h. Coagulant is needed to be added into the sludge dewatering machine, and the coagulant can be polyacrylamide, ferric chloride and aluminum sulfate. The amount of the drug to be added is determined experimentally.
The treatment method comprises the steps that in a three-stage treatment unit, after wastewater is subjected to ozone catalytic oxidation, a Biological Aerated Filter (BAF) and sand filtration, the quality of final effluent water reaches the discharge standard index of table 2 in the discharge Standard of Water pollutants for pharmaceutical industry of traditional Chinese medicines (GB21906-2008), the treatment process of the pharmaceutical wastewater of rhodiola is completed, the pH value of the treated wastewater is 6-9, the COD (chemical oxygen demand) is less than or equal to 50mg/L, and the BOD (biochemical oxygen demand) is less than or equal to 50mg/L5Less than or equal to 40mg/L, ammonia nitrogen less than or equal to 8.0mg/L and suspended matters less than or equal to 20 mg/L.
In further implementations of the invention, the ozone generator system includes an ozone generator, a liquid oxygen tank, a gas-water mixing system, and the like. The dosage of the ozone is 200-350 mg/L, and the contact time of the ozone is 4-5 h.
In a further embodiment of the invention, the Biological Aerated Filter (BAF) has a volumetric load of 0.4 to 0.6 kgBOD/(m)3D), the empty tower retention time of the Biological Aerated Filter (BAF) is 0.5-1.5 h, and DO is 2-4 mg/L.
In the further implementation of the invention, the filter chamber adopts a double-layer filter material filter chamber, and the upper layer of the filter chamber is anthracite. The anthracite has a particle size of 1.0-1.1 mm and a thickness of 50.8-76.2 cm.
In the further implementation of the invention, the lower layer of the filter tank is quartz sand, the particle size of the quartz sand is 0.45-0.55 mm, and the thickness is 25.4-30.5 cm.
The treatment method provided by the invention can be used for treating the rhodiola pharmaceutical wastewater, is energy-saving, efficient and flexible, and can be discharged after reaching the standard.
Drawings
FIG. 1 is a process flow diagram of a method for treating rhodiola pharmaceutical wastewater in an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention.
Red scenery of a limited pharmaceutical company in northThe factory pharmaceutical wastewater is taken as an example, and the factory pharmaceutical wastewater mainly comes from rhodiola rosea water extraction concentrated cooling liquid wastewater, ultrafiltrate concentrated cooling liquid wastewater, bottle washing wastewater, domestic sewage and the like. The pH value of the wastewater is 6.5, COD is 3682mg/L, BOD51104mg/L, ammonia nitrogen 43mg/L and suspended substance 274 mg/L.
Example 1
A method for treating rhodiola pharmaceutical wastewater comprises the following steps:
the rhodiola pharmaceutical wastewater firstly enters a pretreatment unit for regulation and flocculation precipitation treatment; after the adjustment of the adjusting tank, the temperature of the wastewater is controlled to be 30 ℃, the pH value of the wastewater is controlled to be 7.4, a coagulant which is polyacrylamide is added into the flocculation reaction tank, the retention time of the flocculation reaction tank is 20 minutes, and the retention time of the sedimentation tank is 2 hours.
The effluent of the pretreatment unit enters A2an/O biochemical treatment unit. The volume load of the anaerobic pool is 5 kgCOD/(m)3D), the residence time is 8h, the DO is 0.2 mg/L; the volume load of the anoxic pond is 4 kgCOD/(m)3D), residence time 8h, DO 0.2 mg/L. The volume load of the aerobic pool is 1 kgBOD/(m)3D), the retention time is 15h, the MLSS is 10000mg/L, and the DO of the aerobic pool is 4 mg/L.
A2And (3) conveying the sludge generated after the treatment of the/O biochemical treatment unit to a sludge treatment unit, compressing and precipitating the sludge in a sludge concentration tank for 24 hours, then dewatering the sludge in a sludge dewatering machine, adding a coagulant polyacrylamide, and transporting the generated mud cake with the water content of 80.6% to the outside.
A2And the effluent of the/O biochemical treatment unit enters a third-level treatment unit. The ozone adding amount of the ozone treatment unit is 350mg/L, and the ozone contact time is 5 h. The volume load of the Biological Aerated Filter (BAF) is 0.5 kgBOD/(m)3D), the empty column residence time was 1.5h and DO was 4 mg/L. The filter adopts a double-layer filter material filter, and the upper layer of the filter is anthracite. The grain diameter of the anthracite is 1.1mm, and the thickness of the anthracite is 76.2 cm. The lower layer of the filter tank is quartz sand. The grain size of the quartz sand is 0.55mm, and the thickness of the quartz sand is 30.5 cm.
After the wastewater in the three-stage treatment unit is subjected to catalytic ozonation, Biological Aerated Filter (BAF) and sand filtration, the final effluent index is that the pH value is 7.6, the COD is 45mg/L and the BOD512mg/L, 6.3mg/L ammonia nitrogen and 15mg/L suspended matter, and the water quality reaches the discharge standard of table 2 in the discharge Standard of pollutants for pharmaceutical industry Water of traditional Chinese medicine (GB 21906-2008).
Example 2
A method for treating rhodiola pharmaceutical wastewater comprises the following steps:
the rhodiola pharmaceutical wastewater is adjusted by an adjusting tank, the temperature is 28 ℃, and the pH is 7.2. Adding aluminum sulfate as coagulant into the flocculation reaction tank, wherein the retention time of the reaction tank is 18 minutes, and the retention time of the sedimentation tank is 1.5 hours.
A2The volume load of an anaerobic pool of the/O biochemical treatment unit is 6 kgCOD/(m)3D), the residence time is 6h, the DO is 0.3 mg/L; the volume load of the anoxic pond is 5 kgCOD/(m)3D), residence time 6h, DO 0.5 mg/L. The volume load of the aerobic pool is 2 kgBOD/(m)3D), the retention time is 12h, the MLSS is 6000mg/L, and the DO in the aerobic tank is 3 mg/L.
A2Conveying the sludge generated after the treatment of the/O biochemical treatment unit to a sludge treatment unit, keeping the sludge concentration tank for 30 hours, adding a coagulant, namely aluminum sulfate, and performing outsourcing treatment on a dewatered mud cake with the water content of 78.2%;
in the three-stage treatment unit, the wastewater is treated by catalytic oxidation by ozone, a Biological Aerated Filter (BAF) and sand filtration. The adding amount of the ozone is 300mg/L, and the contact time of the ozone is 4 h. The volume load of the Biological Aerated Filter (BAF) is 0.6 kgBOD/(m)3D), the empty residence time was 1.0h and DO was 3 mg/L. The filter adopts a double-layer filter material filter, the upper layer is anthracite, the grain diameter of the anthracite is 1.0mm, and the thickness of the anthracite is 66.3 cm; the lower layer of the filter is quartz sand, the particle size of the quartz sand is 0.50mm, and the thickness of the quartz sand is 28.5 cm. The final effluent quality is pH value of 7.8, COD of 48mg/L, BOD515mg/L, 7.6mg/L ammonia nitrogen and 18mg/L suspended matter, and reaches the comprehensive sewage discharge standard.
Claims (6)
1. A treatment method of rhodiola pharmaceutical wastewater is characterized by comprising the following steps:
the method comprises the following steps: the rhodiola pharmaceutical wastewater firstly enters a pretreatment unit for regulation and flocculation precipitation treatment;
step two: the effluent of the pretreatment unit enters A2the/O biochemical treatment unit is used for treating the wastewater, and the wastewater is sent to the third-level treatment unit;
step three: a. the2The sludge generated after the treatment of the/O biochemical treatment unit is sent to a sludge treatment unit, and the dewatered sludge cake is subjected to outsourcing treatment;
step four: in a three-stage treatment unit, after wastewater is subjected to catalytic ozonation, Biological Aerated Filter (BAF) and sand filtration, the final effluent quality reaches indexes of Table 1 in 'comprehensive discharge Standard of wastewater in Liaoning province' DB21.1627-2008, the treatment process of the rhodiola pharmaceutical wastewater is completed, the pH value of the treated wastewater is 6-9, the COD is less than or equal to 50mg/L, and the BOD is less than or equal to 50mg/L5Less than or equal to 40mg/L, ammonia nitrogen less than or equal to 8.0mg/L and suspended matters less than or equal to 20 mg/L.
2. The treatment method as claimed in claim 1, wherein the rhodiola pharmaceutical wastewater mainly comes from rhodiola aqueous concentrated cooling liquid wastewater, ultrafiltrate concentrated cooling liquid wastewater, bottle washing wastewater, domestic sewage and the like;
preferably, the pH value of the rhodiola pharmaceutical wastewater is 6-9, the COD is less than or equal to 4000mg/L, and the BOD5Less than or equal to 1200mg/L, ammonia nitrogen less than or equal to 50mg/L and suspended matters less than or equal to 300 mg/L.
3. The treatment method according to claim 1, wherein the wastewater in the first step enters A after being conditioned and flocculated and precipitated in a pretreatment unit2an/O biochemical treatment unit;
preferably, after passing through the regulating tank, the temperature of the wastewater is controlled to be 25-35 ℃, and the pH value is 6-9;
preferably, the flocculation and sedimentation comprise a flocculation reaction tank and a sedimentation tank;
more preferably, the retention time of the flocculation reaction tank is 15-20 minutes, a medicament needs to be added in the flocculation reaction, the amount of the added medicament needs to be determined according to an experiment, and the retention time of the sedimentation tank is 1-2 hours.
4. The process of claim 1, wherein said steps are carried out in a batch processIn step two, the wastewater is in A2the/O biochemical treatment unit is used for treating in an anaerobic tank and then entering an anoxic tank, treating in the anoxic tank and then entering an aerobic tank, treating in the aerobic tank and then entering a sedimentation tank, wherein the effluent of the sedimentation tank enters a three-stage treatment unit, the sludge in the sedimentation tank enters a sludge treatment unit, and part of effluent of the aerobic tank flows back to the anoxic tank;
preferably, the volume load of the anaerobic pool is 4-6 kgCOD/(m)3D), the retention time is 6-8 h, and the DO is 0.2-0.3 mg/L; part of sludge in the sedimentation tank flows back to the anaerobic tank so as to keep MLSS relatively stable;
preferably, the volume load of the anoxic pond is 3-5 kgCOD/(m)3D), the retention time is 6-8 h, and the DO is 0.2-0.5 mg/L;
preferably, the volume load of the aerobic pool is 1-2 kgBOD/(m)3D), the retention time is 10-15 h, the MLSS is 6000-10000 mg/L, and the DO is 2-4 mg/L;
preferably, the retention time of the sedimentation tank is 1-2 h, and the main effect is mud-water separation.
5. The treatment method according to claim 1, wherein in the third step, the sludge in the sedimentation tank enters a sludge treatment unit, the sludge is compressed and precipitated in a sludge concentration tank, the sludge enters a sludge dewatering machine for dewatering, a coagulant needs to be added, and a mud cake with the water content of 75-85% is produced and transported outside;
preferably, the residence time of the sludge concentration tank is 24 hours;
preferably, the coagulant to be added into the sludge dewatering machine can be polyacrylamide, ferric chloride and aluminum sulfate; the coagulant dosage can be determined by experiment.
6. The treatment method according to claim 1, wherein in the three-stage treatment unit, the final effluent quality of the wastewater after the wastewater is subjected to catalytic ozonation, Biological Aerated Filter (BAF) and sand filtration reaches the discharge standard of table 2 in the discharge Standard of Water pollutants for pharmaceutical industry of traditional Chinese medicines (GB21906-2008), the treatment process of the pharmaceutical wastewater of rhodiola is completed, the pH value of the treated wastewater is 6-9, the COD (chemical oxygen demand) is less than or equal to 50mg/L, and the BOD (biochemical oxygen demand) is less than or equal to 50mg/L5Less than or equal to 40mg/L, ammonia nitrogen less than or equal to 8.0mg/L and suspended matters less than or equal to 20 mg/L;
preferably, the ozone generator system comprises an ozone generator, a liquid oxygen tank, a gas-water mixing system and the like, the adding amount of ozone is 200-350 mg/L, and the contact time of the ozone is 4-5 h;
preferably, the volume load of the Biological Aerated Filter (BAF) is 0.4-0.6 kgBOD/(m)3D), the empty tower residence time is 0.5-1.5 h, and DO is 2-4 mg/L;
preferably, the filter tank adopts a double-layer filter material filter tank which is mainly used for removing suspended matters in water;
more preferably, the upper layer of the filter is anthracite, the particle size is 1.0-1.1 mm, and the thickness is 50.8-76.2 cm; the lower layer of the filter is quartz sand, the particle size is 0.45-0.55 mm, and the thickness is 25.4-30.5 cm.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315012A (en) * | 2021-12-07 | 2022-04-12 | 清华大学 | Excrement wastewater treatment system and method applied to scenic spot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083561A (en) * | 2017-12-13 | 2018-05-29 | 浙江双益环保科技发展有限公司 | A kind of deep treatment method of high chroma, indegradable industrial effluent |
| CN207512019U (en) * | 2017-09-15 | 2018-06-19 | 许继联华国际环境工程有限责任公司 | A kind of sanitary sewage, technique waste water, stripper Wastewater Concentrated device |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207512019U (en) * | 2017-09-15 | 2018-06-19 | 许继联华国际环境工程有限责任公司 | A kind of sanitary sewage, technique waste water, stripper Wastewater Concentrated device |
| CN108083561A (en) * | 2017-12-13 | 2018-05-29 | 浙江双益环保科技发展有限公司 | A kind of deep treatment method of high chroma, indegradable industrial effluent |
Non-Patent Citations (2)
| Title |
|---|
| 曾郴林等: "《微电解法处理难降解有机废水的理论与实例分析》", 31 October 2017, 中国环境出版社 * |
| 水工业市场杂质编: "《"十一五"水处理关键技术与工程应用案例大全》", 31 October 2010, 中国环境科学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315012A (en) * | 2021-12-07 | 2022-04-12 | 清华大学 | Excrement wastewater treatment system and method applied to scenic spot |
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