CN103663880A - Method for treating sewage by biofilm technology - Google Patents

Method for treating sewage by biofilm technology Download PDF

Info

Publication number
CN103663880A
CN103663880A CN201310729630.8A CN201310729630A CN103663880A CN 103663880 A CN103663880 A CN 103663880A CN 201310729630 A CN201310729630 A CN 201310729630A CN 103663880 A CN103663880 A CN 103663880A
Authority
CN
China
Prior art keywords
sewage
pond
water
basin
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.)
Granted
Application number
CN201310729630.8A
Other languages
Chinese (zh)
Other versions
CN103663880B (en
Inventor
李木俊
郭丹
王成胜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GUIZHOU TIANFU CHEMICAL CO Ltd
Original Assignee
GUIZHOU TIANFU CHEMICAL CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GUIZHOU TIANFU CHEMICAL CO Ltd filed Critical GUIZHOU TIANFU CHEMICAL CO Ltd
Priority to CN201310729630.8A priority Critical patent/CN103663880B/en
Publication of CN103663880A publication Critical patent/CN103663880A/en
Application granted granted Critical
Publication of CN103663880B publication Critical patent/CN103663880B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention discloses a method for treating sewage by a biofilm technology. The method comprises the following steps: (1) first-stage treatment: enabling living sewage, production sewage and pretreated cyanogens-containing sewage to enter a homogenization adjustment basin after the living sewage, the production sewage and the pretreated cyanogens-containing sewage are subjected to sewage removal through a mechanical grid and an artificial grid; (2) second-stage treatment: lifting the sewage into a hypoxic-aerobiotic basin through a sewage lifting pump, wherein the sewage lifting pump comprises a hypoxic basin and an aerobiotic basin, enabling the sewage subjected to the first-stage treatment to enter from the hypoxic basin to the aerobiotic basin, and feeding a flocculating agent at the water outlet end of the aerobiotic basin; (3) third-stage treatment: enabling sludge and water mixed solution subjected to the second-stage treatment to enter a secondary sedimentation basin for sludge and water separation, and treating and utilizing water discharged by the secondary sedimentation basin through an advanced treatment system. The method for treating the sewage by the biofilm technology has the characteristics of enhancing the sewage treatment effect, enhancing the sedimentation effect of the secondary sedimentation basin, relieving the load on the advanced treatment system and reducing the backwashing frequency of a quartz sand filter and an activated carbon filter.

Description

A kind of method that biomembrance process is disposed of sewage
Technical field
The invention belongs to environmental technology field, specifically relate to a kind of method that biomembrance process is disposed of sewage.
Background technology
Production waste that each production equipment discharges and the sanitary sewage of on-site are received and processed to generalization plant effuent treatment station, and the clear water after processing is as circulating water system, de-mineralized water reuse water, and on-the-spot greenings etc., to realize water-saving and emission-reducing, energy-saving and cost-reducing.Ammonia nitrogen concentration for water inlet is higher, adopts the contact oxidation method of adding filler.Biological contact oxidation process is a kind of bio membrane process between activated sludge process and biological filter, be characterized in arranging filler in pond, at the bottom of pond, aeration carries out oxygenation to sewage, and make body interior sewage in pond in flow state, to guarantee that sewage fully contacts with the filler in pond, avoid existing sewage to contact uneven defect with filler in biological contact oxidation pond.
In prior art, biomembrance process: A/O(aerobic/anaerobic) filled biomass carrier (filler) in pond, sewage floods filler, at the bottom of pond, pass into air aeration, oxygenation, stirring, three relative current contacts, transmission, by the biomembranous metabolism of filling surface, be purified sewage.But due to the liquid that enters second pond, often calcium, magnesium ion state are more, water yield load impact or long-term excess load; Because short stream has reduced the residence time, so that flco flows out effluent weir before sedimentation; Aeration tank active sludge excess aeration, makes mud autoxidation and disintegrates, and will produce following drawback like this:
1, second pond, flocculation tank, clean water basin water outlet muddiness, wastewater treatment efficiency is undesirable.
2, second pond sludge settling weak effect, system sludge is difficult for draining into sludge sump.
3, advanced treatment system load is heavier, and quartz sand and gac life cycle are short, high with changing frequency.
4, quartz filter and activated charcoal filter backwash frequency are high, and backwash water enters Sewage treatment systems again, cause sewage load to increase.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming and a kind of wastewater treatment efficiency that can improve is provided, improve second pond effect of settling, alleviate advanced treatment system load, the method that the biomembrance process of reduction quartz filter and activated charcoal filter backwash frequency is disposed of sewage.
The method that a kind of biomembrance process of the present invention is disposed of sewage, comprises the steps:
(1) coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination;
(2) second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, wherein dissolved oxygen in anoxic tank concentration is controlled at 0.3~0.5mg/l, return current ratio of the mixed liquid is controlled at 200~500%, and sewage stops 1~2h; The Dissolved Oxygen concentration Control of Aerobic Pond is at 2~3mg/l, aeration time 4~8h, and return sludge ratio, 50~100%, is removed the organic pollutant in sewage by the biochemical treatment of anaerobic-aerobic pond; And add flocculation agent in Aerobic Pond water side;
(3) tertiary treatment: muddy water mixed solution enters second pond and carries out mud-water separation after second-stage treatment, the water outlet of second pond is processed, is utilized through advanced treatment system, second pond mud enters mud-collecting well and partly delivers to anoxic pond by sludge reflux pump, to guarantee sludge concentration, excess sludge enters sludge sump.
The method that above-mentioned biomembrance process is disposed of sewage, wherein: described flocculation agent is that concentration is 0.5~1 ‰ zwitter-ion or anionic polyacrylamide.
The method that above-mentioned biomembrance process is disposed of sewage, wherein: described flocculation agent adds by volume pump.
The method that above-mentioned biomembrance process is disposed of sewage, wherein: in described anoxic pond, stirrer is set.
The method that above-mentioned biomembrance process is disposed of sewage, wherein: described advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond.
The present invention compares with prior art, there is obvious beneficial effect, from above scheme, coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination, mainly by physical means, to reach the object of suspended substance in Separation of Water, even water quality, for follow-up biochemical treatment creates conditions.Second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, filled biomass carrier (filler) in anaerobic-aerobic pond, sewage floods filler, passes into air aeration at the bottom of pond, oxygenation, stirring, three relative current contacts, transmission, by the biomembranous metabolism of filling surface, remove the organic pollutant in sewage, sewage is purified.In anoxic pond, be provided with stirrer, can prevent that mud from precipitating in anoxic pond.In Aerobic Pond water side, add flocculation agent and improve wastewater treatment efficiency, can improve second pond effect of settling, alleviate advanced treatment system load, reduce quartz filter and activated charcoal filter backwash frequency.Flocculation agent adds by volume pump, by dosage, regulates second pond water outlet clarity.Tertiary treatment: second pond carries out mud-water separation, advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond, completes the processing of sewage.In a word, the present invention has raising wastewater treatment efficiency, improves second pond effect of settling, alleviates advanced treatment system load, reduces the feature of quartz filter and activated charcoal filter backwash frequency.
attached body explanation
Fig. 1 is process flow sheet of the present invention.
Embodiment
embodiment 1
Referring to Fig. 1, a kind of method that biomembrance process is disposed of sewage, comprises the steps:
(1) coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination;
(2) second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, stirrer is set in anoxic pond, prevent that mud from precipitating in anoxic pond, wherein dissolved oxygen in anoxic tank concentration is controlled at 0.3mg/l, and return current ratio of the mixed liquid is controlled at 200%, and sewage stops 1h; The Dissolved Oxygen concentration Control of Aerobic Pond is at 2/l, aeration time 4h, and return sludge ratio, 50%, is removed the organic pollutant in sewage by the biochemical treatment of anaerobic-aerobic pond; And in Aerobic Pond water side, by volume pump, add flocculation agent, flocculation agent is that concentration is 0.5 ‰ zwitter-ion polyacrylamide;
(3) tertiary treatment: muddy water mixed solution enters second pond and carries out mud-water separation after second-stage treatment, the water outlet of second pond is processed through advanced treatment system, advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond; Second pond mud enters mud-collecting well and partly delivers to anoxic pond by sludge reflux pump, and to guarantee sludge concentration, excess sludge enters sludge sump.
embodiment 2
Referring to Fig. 1, a kind of method that biomembrance process is disposed of sewage, comprises the steps:
(1) coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination;
(2) second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, stirrer is set in anoxic pond, prevent that mud from precipitating in anoxic pond, wherein dissolved oxygen in anoxic tank concentration is controlled at 0.4mg/l, and return current ratio of the mixed liquid is controlled at 300%, and sewage stops 1.5h; The Dissolved Oxygen concentration Control of Aerobic Pond is at 2.5mg/l, aeration time 6h, and return sludge ratio, 75%, is removed the organic pollutant in sewage by the biochemical treatment of anaerobic-aerobic pond; And in Aerobic Pond water side, by volume pump, add flocculation agent, flocculation agent is that concentration is 1 ‰ zwitter-ion polyacrylamide;
(3) tertiary treatment: muddy water mixed solution enters second pond and carries out mud-water separation after second-stage treatment, the water outlet of second pond is processed through advanced treatment system, advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond; Second pond mud enters mud-collecting well and partly delivers to anoxic pond by sludge reflux pump, and to guarantee sludge concentration, excess sludge enters sludge sump.
embodiment 3
Referring to Fig. 1, a kind of method that biomembrance process is disposed of sewage, comprises the steps:
(1) coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination;
(2) second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, stirrer is set in anoxic pond, prevent that mud from precipitating in anoxic pond, wherein dissolved oxygen in anoxic tank concentration is controlled at 0.5mg/l, and return current ratio of the mixed liquid is controlled at 500%, and sewage stops 2h; The Dissolved Oxygen concentration Control of Aerobic Pond is at 3mg/l, aeration time 8h, and return sludge ratio, 100%, is removed the organic pollutant in sewage by the biochemical treatment of anaerobic-aerobic pond; And in Aerobic Pond water side, by volume pump, add flocculation agent, flocculation agent is that concentration is 1 ‰ anionic polyacrylamide;
(3) tertiary treatment: muddy water mixed solution enters second pond and carries out mud-water separation after second-stage treatment, the water outlet of second pond is processed through advanced treatment system, advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond; Second pond mud enters mud-collecting well and partly delivers to anoxic pond by sludge reflux pump, and to guarantee sludge concentration, excess sludge enters sludge sump.
Figure 2013107296308100002DEST_PATH_IMAGE001
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.

Claims (5)

1. the method that biomembrance process is disposed of sewage, comprises the steps:
(1) coagulation: sanitary sewage, production waste and pretreated cyanogens-containing sewage water are entered to homogeneous equalizing tank after mechanical grille and artificial grid decontamination;
(2) second-stage treatment: rise to anaerobic-aerobic pond with sewage pump, anaerobic-aerobic pond comprises anoxic pond and Aerobic Pond, sewage through coagulation enters pond, aerobic zone from pond, oxygen-starved area, wherein dissolved oxygen in anoxic tank concentration is controlled at 0.3~0.5mg/l, return current ratio of the mixed liquid is controlled at 200~500%, and sewage stops 1~2h; The Dissolved Oxygen concentration Control of Aerobic Pond is at 2~3mg/l, aeration time 4~8h, and return sludge ratio, 50~100%, is removed the organic pollutant in sewage by the biochemical treatment of anaerobic-aerobic pond; And add flocculation agent in Aerobic Pond water side;
(3) tertiary treatment: muddy water mixed solution enters second pond and carries out mud-water separation after second-stage treatment, the water outlet of second pond is processed, is utilized through advanced treatment system, second pond mud enters mud-collecting well and partly delivers to anoxic pond by sludge reflux pump, to guarantee sludge concentration, excess sludge enters sludge sump.
2. the method that biomembrance process as claimed in claim 1 is disposed of sewage, is characterized in that: described flocculation agent is that concentration is 0.5~1 ‰ zwitter-ion or anionic polyacrylamide.
3. the method that biomembrance process as claimed in claim 1 or 2 is disposed of sewage, is characterized in that: described flocculation agent adds by volume pump.
4. the method that biomembrance process as claimed in claim 1 or 2 is disposed of sewage, is characterized in that: in described anoxic pond, stirrer is set.
5. the method that biomembrance process as claimed in claim 1 or 2 is disposed of sewage, is characterized in that: described advanced treatment system through coagulation, filtration, the laggard clean water basin of charcoal absorption, is delivered to desalted water station reuse by tail water lift pump by the water outlet of second pond.
CN201310729630.8A 2013-12-26 2013-12-26 A kind of biomembrance process processes the method for sewage Active CN103663880B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310729630.8A CN103663880B (en) 2013-12-26 2013-12-26 A kind of biomembrance process processes the method for sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310729630.8A CN103663880B (en) 2013-12-26 2013-12-26 A kind of biomembrance process processes the method for sewage

Publications (2)

Publication Number Publication Date
CN103663880A true CN103663880A (en) 2014-03-26
CN103663880B CN103663880B (en) 2016-08-17

Family

ID=50302783

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310729630.8A Active CN103663880B (en) 2013-12-26 2013-12-26 A kind of biomembrance process processes the method for sewage

Country Status (1)

Country Link
CN (1) CN103663880B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108128975A (en) * 2017-12-28 2018-06-08 重庆市桑麻环保科技有限公司 A kind of method for treating rural wastewater
CN108314254A (en) * 2018-03-15 2018-07-24 贵州中大环境科技有限公司 A kind of town domestic sewage reflow treatment device
CN108503019A (en) * 2018-03-20 2018-09-07 清华大学深圳研究生院 A kind of membrane bioreactor and sewage water treatment method
CN109626687A (en) * 2018-12-06 2019-04-16 中国矿业大学 A kind of mine water based on ultrasound freezing desalting system and method
CN110642350A (en) * 2019-09-30 2020-01-03 天津科技大学 A kind of deep phosphorus removal method of urban domestic sewage
CN111517565A (en) * 2020-04-16 2020-08-11 北京博泰至淳生物科技有限公司 Sewage treatment control method and system for realizing in-situ improvement of treatment scale
CN111533363A (en) * 2020-04-03 2020-08-14 北京博泰至淳生物科技有限公司 Sewage treatment method and system for realizing in-situ improvement of treatment scale

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843981A (en) * 2005-04-07 2006-10-11 同济大学 An integrated sewage suspension carrier biological treatment process
CN203159366U (en) * 2013-03-12 2013-08-28 贵州天福化工有限责任公司 Modern coal chemical industry sewage treatment device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1843981A (en) * 2005-04-07 2006-10-11 同济大学 An integrated sewage suspension carrier biological treatment process
CN203159366U (en) * 2013-03-12 2013-08-28 贵州天福化工有限责任公司 Modern coal chemical industry sewage treatment device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
马千里等: ""城镇污水处理厂好氧池出水加药絮凝试验"", 《工业用水与废水》, vol. 41, no. 2, 30 April 2010 (2010-04-30), pages 49 - 52 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108128975A (en) * 2017-12-28 2018-06-08 重庆市桑麻环保科技有限公司 A kind of method for treating rural wastewater
CN108314254A (en) * 2018-03-15 2018-07-24 贵州中大环境科技有限公司 A kind of town domestic sewage reflow treatment device
CN108503019A (en) * 2018-03-20 2018-09-07 清华大学深圳研究生院 A kind of membrane bioreactor and sewage water treatment method
CN108503019B (en) * 2018-03-20 2024-05-07 清华大学深圳研究生院 Membrane bioreactor and sewage treatment method
CN109626687A (en) * 2018-12-06 2019-04-16 中国矿业大学 A kind of mine water based on ultrasound freezing desalting system and method
CN110642350A (en) * 2019-09-30 2020-01-03 天津科技大学 A kind of deep phosphorus removal method of urban domestic sewage
CN111533363A (en) * 2020-04-03 2020-08-14 北京博泰至淳生物科技有限公司 Sewage treatment method and system for realizing in-situ improvement of treatment scale
CN111533363B (en) * 2020-04-03 2022-05-03 北京博泰至淳生物科技有限公司 Sewage treatment method and system for realizing in-situ improvement of treatment scale
CN111517565A (en) * 2020-04-16 2020-08-11 北京博泰至淳生物科技有限公司 Sewage treatment control method and system for realizing in-situ improvement of treatment scale

Also Published As

Publication number Publication date
CN103663880B (en) 2016-08-17

Similar Documents

Publication Publication Date Title
CN109592785B (en) Anaerobic membrane reactor-partial nitrification-anammox combined device and method
CN103819049B (en) A kind of sewage water treatment method and system
CN104556562B (en) A kind of deep treatment method of industrial park waste water
CN103663880A (en) Method for treating sewage by biofilm technology
KR100906742B1 (en) Wastewater treatment method and apparatus including ultrasonic electrolytic sedimentation tank and composite upward filtration membrane separation tank
CN104478175A (en) Treatment system and method for biogas slurry produced from anaerobic fermentation of kitchen waste
CN209957618U (en) Medicine comprehensive wastewater treatment system
CN105776766A (en) Advanced treatment system for biorefractory wastewater of industrial park
CN116216990A (en) An electrochemical treatment system for landfill leachate
CN102363549A (en) Deep treatment system of membraneless industrial organic wastewater
CN108341556A (en) A kind of advanced treatment of wastewater and the system and method for acid-basic regenerated waste liquids in water reuse
CN111762965A (en) A method for advanced treatment and recycling of petrochemical wastewater
KR100784933B1 (en) Organic and Nitrogen Treatment Equipment for High Concentration Organic Wastewater
CN110818205A (en) System and process for reducing concentration of pollutants in steel comprehensive wastewater
CN104529078B (en) A kind of processing method of percolate from garbage filling field
CN104710077A (en) Treatment system and treatment method of synthetic rubber wastewater
CN104071952B (en) A kind of breeding wastewater biochemical film processing method
CN117023919A (en) Multistage treatment system and multistage treatment process for gas field produced water
CN111517586B (en) Device and process for treating low-carbon-nitrogen-ratio sewage based on short-cut denitrification
CN109502911A (en) A kind of sewage water treatment method
CN102060417B (en) Process and device for treating waste water in CLT acid production
CN201406361Y (en) A landfill leachate wastewater treatment device
CN220335004U (en) Lithium iron phosphate production wastewater treatment system
CN104529072B (en) The processing system of a kind of polyvinyl alcohol waste water and method
CN106430846A (en) Efficient treatment integrated process for recalcitrant wastewater with low organic matter content

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant