CN104787983A - Treatment process for synthetic fiberboard production wastewater - Google Patents
Treatment process for synthetic fiberboard production wastewater Download PDFInfo
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- CN104787983A CN104787983A CN201510195352.1A CN201510195352A CN104787983A CN 104787983 A CN104787983 A CN 104787983A CN 201510195352 A CN201510195352 A CN 201510195352A CN 104787983 A CN104787983 A CN 104787983A
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Abstract
The invention discloses a treatment process for a synthetic fiberboard production wastewater. The treatment process comprises the following steps: (1) filtering thick and large floating objects in the synthetic fiberboard production wastewater by virtue of a hydraulic screen, enabling the wastewater to enter a sloping plate reaction precipitation tank, adding alkali liquor to adjust the pH value of the wastewater to neutral, and adding a coagulant for primary precipitation; (2) causing the wastewater to enter an anaerobic treatment IC reactor for biochemical treatment; (3) returning a part of the wastewater to a workshop for reutilization, and causing the other part of the wastewater to enter an SBR biochemical reaction tank for aerobic treatment; (4) causing the wastewater to enter a precipitant tank, and adding the coagulant for secondary precipitation; (5) causing the wastewater to enter a catalytic oxidation reaction tank, adding ferrous sulfate and hydrogen peroxide for catalytic oxidation reaction, adding the coagulant for tertiary precipitation, and directly discharging or recycling the wastewater after precipitation. The treatment process is higher in wastewater treatment efficiency, environmental pollution is avoided, a water source is recycled, and the running cost of an enterprise is reduced.
Description
Technical field
The invention belongs to wet-process fiber board factory effluent material comprehensive processing technique technical field, be specifically related to a kind for the treatment of process of beaver board factory effluent.
Background technology
Along with increasingly stringent and the recycling economy widelyd popularize at present of national environmental protection policy, the waste water that beaver board is produced and waste material have to pass through process could qualified discharge, the slurrying hc effluent that especially environmental pollution is serious.Because this chroma in waste water is high, COD and BOD is all high, process more difficult.Current beaver board production industry typical hc effluent substance processing method technique is unstable, and treatment effect is general, and the colourity of waste water is after treatment still comparatively dark, and visual effect is not good enough.
Summary of the invention
The technical problem that the present invention solves there is provided a kind of simple and practical, effect better, energy-saving and water-saving and the treatment process of the high beaver board factory effluent of waste water treatment efficiency.
The present invention adopts following technical scheme for solving the problems of the technologies described above, a kind for the treatment of process of beaver board factory effluent, it is characterized in that comprising the following steps: (1) is by beaver board factory effluent thick floating matter in water substance power screen filtration water, waste water through hydraulic screen net filtration enters swash plate reaction settling basin, adding alkali lye regulates the pH value of waste water in neutral, then adds coagulating agent and carry out primary sedimentation; (2) the IC reactor that the waste water after the process of swash plate reaction settling basin enters anaerobic treatment carries out biochemical treatment; (3) the waste water part after IC reactor for treatment returns workshop recycling, and a part enters SBR biochemical reaction tank and carries out aerobic treatment in addition, adopts aerating apparatus to carry out aeration in treating processes; (4) waste water through the process of SBR biochemical reaction tank enters precipitation agent pond, adds coagulating agent and carries out secondary sedimentation; (5) waste water after settling tank precipitation enters catalytic oxidation pond, adds ferrous sulfate and hydrogen peroxide carries out catalytic oxidation, then adds flocculation agent and carry out three precipitations, the direct discharging of waste water after three precipitations or reuse.
Further restriction, the alkali lye in step (1) is sodium hydroxide solution, potassium hydroxide solution or sodium carbonate solution.
Further restriction, the coagulating agent in step (1) and step (4) is polymerize aluminum chloride and anionic polyacrylamide.
Further restriction, the condition of step (2) mesophytization process is wastewater temperature 28-45 DEG C, pH value 7.5-8.6, VFA 0.05-5.00meq/l, treatment time 0.5-1 hour.
Further restriction, the flocculation agent in step (5) is anionic polyacrylamide.
Further restriction, mud in step (2), step (4) and step (5) after precipitation enters sludge thickener respectively, mud after sludge thickener enters in whizzer, carries out centrifugation after adding cationic polyacrylamide, and the mud after separation is placed in drying bed and carries out drying.
The treatment process processing efficiency of beaver board factory effluent of the present invention is higher, avoids the pollution of beaver board factory effluent to environment, achieves the recycling of water resources, reduce the running cost of enterprise.
Embodiment
Be described in further details foregoing of the present invention by the following examples, but this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on foregoing of the present invention all belong to scope of the present invention.
Embodiment
A kind for the treatment of process of beaver board factory effluent, comprise the following steps: (1) is by beaver board factory effluent thick floating matter in hydraulic screen net filtration water, waste water through hydraulic screen net filtration enters swash plate reaction settling basin, adding alkali lye regulates the pH value of waste water in neutral, add coagulating agent again and carry out primary sedimentation, wherein alkali lye is the useless sodium hydroxide solution of chemical enterprise emission, and coagulating agent is polymerize aluminum chloride and anionic polyacrylamide; (2) the IC reactor that the waste water after the process of swash plate reaction settling basin enters anaerobic treatment carries out biochemical treatment, and the condition of biochemical treatment is wastewater temperature 28-45 DEG C, pH value 7.5-8.6, VFA 0.05-5.00meq/l, treatment time 0.5-1 hour; (3) the waste water part after IC reactor for treatment returns workshop recycling, and a part enters SBR biochemical reaction tank and carries out aerobic treatment in addition, adopts aerating apparatus to carry out aeration in treating processes; (4) waste water through the process of SBR biochemical reaction tank enters precipitation agent pond, adds coagulating agent and carries out secondary sedimentation, and wherein coagulating agent is polymerize aluminum chloride and anionic polyacrylamide; (5) waste water after settling tank precipitation enters catalytic oxidation pond, add ferrous sulfate and hydrogen peroxide carries out catalytic oxidation, add flocculation agent again and carry out three precipitations, wherein flocculation agent is anionic polyacrylamide, the direct discharging of waste water after three precipitations or reuse.
Mud in step (2), step (4) and step (5) after precipitation enters sludge thickener respectively, mud after sludge thickener enters in whizzer, carry out centrifugation after adding cationic polyacrylamide, the mud after separation is placed in drying bed and carries out drying recycling further.
More than show and describe ultimate principle of the present invention, principal character and advantage, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall into claimed scope of the present invention.
Claims (6)
1. the treatment process of a beaver board factory effluent, it is characterized in that comprising the following steps: (1) is by beaver board factory effluent thick floating matter in hydraulic screen net filtration water, waste water through hydraulic screen net filtration enters swash plate reaction settling basin, adding alkali lye regulates the pH value of waste water in neutral, then adds coagulating agent and carry out primary sedimentation; (2) the IC reactor that the waste water after the process of swash plate reaction settling basin enters anaerobic treatment carries out biochemical treatment; (3) the waste water part after IC reactor for treatment returns workshop recycling, and a part enters SBR biochemical reaction tank and carries out aerobic treatment in addition, adopts aerating apparatus to carry out aeration in treating processes; (4) waste water through the process of SBR biochemical reaction tank enters precipitation agent pond, adds coagulating agent and carries out secondary sedimentation; (5) waste water after settling tank precipitation enters catalytic oxidation pond, adds ferrous sulfate and hydrogen peroxide carries out catalytic oxidation, then adds flocculation agent and carry out three precipitations, the direct discharging of waste water after three precipitations or reuse.
2. the treatment process of beaver board factory effluent according to claim 1, is characterized in that: the alkali lye in step (1) is sodium hydroxide solution, potassium hydroxide solution or sodium carbonate solution.
3. the treatment process of beaver board factory effluent according to claim 1, is characterized in that: the coagulating agent in step (1) and step (4) is poly-ferric chloride and anionic polyacrylamide.
4. the treatment process of beaver board factory effluent according to claim 1, is characterized in that: the condition of step (2) mesophytization process is wastewater temperature 28-45 DEG C, pH value 7.5-8.6, VFA 0.05-5.00meq/l, treatment time 0.5-1 hour.
5. the treatment process of beaver board factory effluent according to claim 1, is characterized in that: the flocculation agent in step (5) is anionic polyacrylamide.
6. the treatment process of beaver board factory effluent according to claim 1, it is characterized in that: the mud in step (2), step (4) and step (5) after precipitation enters sludge thickener respectively, mud after sludge thickener enters in whizzer, carry out centrifugation after adding cationic polyacrylamide, the mud after separation is placed in drying bed and carries out drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195352.1A CN104787983A (en) | 2015-04-23 | 2015-04-23 | Treatment process for synthetic fiberboard production wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510195352.1A CN104787983A (en) | 2015-04-23 | 2015-04-23 | Treatment process for synthetic fiberboard production wastewater |
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| CN104787983A true CN104787983A (en) | 2015-07-22 |
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| CN201510195352.1A Pending CN104787983A (en) | 2015-04-23 | 2015-04-23 | Treatment process for synthetic fiberboard production wastewater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060655A (en) * | 2015-08-27 | 2015-11-18 | 任跃忠 | Electrophoretic paint waste water treatment process |
| CN105692953A (en) * | 2016-01-27 | 2016-06-22 | 新乡新亚纸业集团股份有限公司 | Papermaking wastewater treatment method |
| CN105923814A (en) * | 2016-04-26 | 2016-09-07 | 湖南卡普斯环保科技股份有限公司 | Double-membrane treatment method for waste water produced in wet-process fiberboard production |
| CN106430707A (en) * | 2016-09-28 | 2017-02-22 | 武汉万安环保工程技术有限公司 | Skid-mounted system used for treating oily sewage |
| CN108409044A (en) * | 2018-04-04 | 2018-08-17 | 蓝星安迪苏南京有限公司 | Method and device for handling acrolein reaction device waste water |
| CN110902953A (en) * | 2019-12-03 | 2020-03-24 | 广西金科环境工程有限公司 | Energy-saving treatment process for waste water of artificial board and wood industry |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060655A (en) * | 2015-08-27 | 2015-11-18 | 任跃忠 | Electrophoretic paint waste water treatment process |
| CN105692953A (en) * | 2016-01-27 | 2016-06-22 | 新乡新亚纸业集团股份有限公司 | Papermaking wastewater treatment method |
| CN105923814A (en) * | 2016-04-26 | 2016-09-07 | 湖南卡普斯环保科技股份有限公司 | Double-membrane treatment method for waste water produced in wet-process fiberboard production |
| CN106430707A (en) * | 2016-09-28 | 2017-02-22 | 武汉万安环保工程技术有限公司 | Skid-mounted system used for treating oily sewage |
| CN108409044A (en) * | 2018-04-04 | 2018-08-17 | 蓝星安迪苏南京有限公司 | Method and device for handling acrolein reaction device waste water |
| US11358885B2 (en) | 2018-04-04 | 2022-06-14 | Bluestar Adisseo Nanjing Co., Ltd. | Method and device for treating acrolein reactor wastewater |
| CN110902953A (en) * | 2019-12-03 | 2020-03-24 | 广西金科环境工程有限公司 | Energy-saving treatment process for waste water of artificial board and wood industry |
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Application publication date: 20150722 |
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