CN102690029A - Sewage treatment method - Google Patents
Sewage treatment method Download PDFInfo
- Publication number
- CN102690029A CN102690029A CN2012102077070A CN201210207707A CN102690029A CN 102690029 A CN102690029 A CN 102690029A CN 2012102077070 A CN2012102077070 A CN 2012102077070A CN 201210207707 A CN201210207707 A CN 201210207707A CN 102690029 A CN102690029 A CN 102690029A
- Authority
- CN
- China
- Prior art keywords
- sewage
- aerobic zone
- zone
- water
- remove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a sewage treatment method which comprises steps as follows: a sewage blockage grid traps large suspended substances or floating substances in sewage, and a regulating tank regulates the water quantity and water quality of the sewage and performs preliminary precipitation; the sewage and aerobic zone reflux mixed liquor together pass through an anoxic zone to perform denitrification treatment, and pass through an aerobic zone to remove organic substances in the sewage, and the mixed liquor of the aerobic zone flows back to the anoxic zone through air stripping; and phosphorus is removed from the residual sewage after air stripping by adding an aluminum salt with a preset concentration and adopting a mixed feed zone using perforated aeration stirring, and the sewage which has passed through the mixed feed zone passes through a settling zone to perform sludge-water separation. The invention can simultaneously remove nitrogen and phosphorus in the sewage and implement low sludge yield; and the invention has the characteristic of small occupied area, is simple top operate and maintain, conforms to the requirements of the countryside for technical rationality and economical efficiency, and has wide application prospects.
Description
Technical field
The present invention relates to a kind of sewage water treatment method, belong to technical field of sewage.
Background technology
Because the infrastructure construction in rural area is relatively backward, causes country sewage collection rate and processing rate all quite low.Present most of rural area does not have drainage collection facility and Sewage treatment systems, and productive life sewage arbitrarily discharges.Country sewage processing present situation is different with the city, and be mainly reflected in the following aspects: (1) people in the countryside are less, distributes wide and dispersion, and rural water amount standard is lower, and the discharge of sewage is little and daily variation factor is big; (2) the sewage constituent concentration is lower, and is main with organism, nitrogen and phosphorus, and variation water quality property is big; (3) villages and small towns lack the professional and technical personnel, can't operate complicated sewage treatment facility.
At present, the technology that in the country sewage treatment technology, adopts mainly contains: A/O-MBR, A/O-bio-contact oxidation, anaerobic filter, artificial swamp and oxidation pond and correlation combiner technology or reforming technology.Above-mentioned these technologies are can only the implementation part index qualified, and some technology (like MBR) working cost is high, management is loaded down with trivial details, though also some technology flow process simply can not guarantee the water quality reaching standard discharging.Therefore; In existing country sewage treatment technology, exist process rationality and economy not to meet the demand in rural area; To such an extent as to do not cause water outlet up to standard or have only that part index number is qualified (can only realize that COD and ammonia nitrogen in the leading indicator are up to standard; Do not consider the removal of phosphorus), and the technology running maintenance is difficult, sludge yield is higher.
Summary of the invention
The present invention exists process rationality and economy not to meet the demand in rural area for solving in the existing country sewage treatment technology; To such an extent as to do not cause water outlet up to standard or have only part index number qualified; And the technology running maintenance is difficult, the sludge yield problem of higher, and then a kind of sewage water treatment method is provided.For this reason, the invention provides following technical scheme:
A kind of sewage water treatment method comprises:
Hold back bigger suspended substance or swimmer in the sewage through blocking dirty grid, through equalizing tank the water quantity and quality of sewage is regulated and preliminary sedimentation again;
To carry out denitrification denitrogenation with the oxygen-starved area of the suspended biological filler of aerobic zone backflow mixed liquor through being provided with predetermined proportion through the said sewage that blocks after dirty grid and equalizing tank are handled handles; Remove the organism in the sewage through aerobic zone again, the mixed solution that will pass through aerobic zone is at last carried through gas and is back to the oxygen-starved area;
To pass through said gas and carry remaining sewage, will carry out mud-water separation through the settling region through the sewage in said mixing dosing district again through aluminium salt that adds predetermined concentration and mixing dosing district removal phosphorus and the further suspended substance of removing in the water that adopts boring aeration to stir.
The present invention combines biochemical process and chemical dephosphorization technology, removes when can realize in the sewage nitrogen and phosphorus; All add a certain proportion of suspended biological filler in oxygen-starved area and aerobic zone, make full use of suspended sludge and biomembranous synergy, reduce hydraulic detention time, reach treatment effect preferably, and realize low sludge yield; And have that floor space is little, the running maintenance characteristic of simple, meet the requirement of rural area, have broad application prospects process rationality and economy.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the sewage water treatment method that provides of embodiment of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the present invention protects.
The sewage water treatment method that this embodiment provides, being based on country sewage has following characteristic and processing requirements: 1. villages and small towns population is less, distributes wide and dispersion, and rural water amount standard is lower, and the discharge of sewage is little and daily variation factor is big; 2. the sewage constituent concentration is lower, and is main with organism, nitrogen and phosphorus, and variation water quality property is big; 3. technology is reliable stable, and the stable water outlet qualified discharge is realized direct reuse as far as possible; 4. the villages and small towns economic force is weak, and WWT should take into full account that the investment construction expense is low, working cost is few; 5. Agricultural land is nervous, makes full use of local physical geography condition as far as possible and builds sewage plant; 6. villages and small towns lack the professional, and selected technology operation and management are simple, and equipment is less demanding to user's operant level.For this reason, this embodiment has proposed following technical scheme, and is as shown in Figure 1, and corresponding sewage water treatment method comprises:
Concrete, the sewage quality that needs to handle is following: water temperature=12～25 ℃, COD=200～400mg/L, BOD
5=100～200mg/L, SS≤200mg/L, NH
4 +-N=25～40mg/L, TP=3.0～5.0mg/L, pH=7.0～8.5.Therefore need at first sewage to be held back bigger suspended substance or swimmer in the sewage through blocking dirty grid; Like fiber, hair etc., get into equalizing tank afterwards, mainly carry out water quantity and quality and regulate; To overcome bigger flow and change of water quality, have sedimentary function simultaneously concurrently.
The sewage that blocks after dirty grid and equalizing tank are handled can be handled by the main integrated module of handling; The main integrated module of handling wherein comprises oxygen-starved area, aerobic zone, dosing mixing zone and precipitates four main region formations; Concrete treating processes comprises: can all drop into a certain proportion of suspended biological filler in oxygen-starved area and aerobic zone, give full play to the biomembranous synergy of suspended sludge and biologic packing material; Aerobic zone is divided into two sections; First section makes full use of the characterization of adsorption that mikrobe is in increased logarithmic phase; With less energy-consumption, high loading, biological absorption fast with synthesize the master, remove in the sewage 70%～80% organism, second section oxygenolysis that under underload, utilizes mikrobe; Residual organic in the sewage is carried out oxygenolysis, with the further effluent quality that improves; Two sections aerobic zone mixed solutions are carried through gas and are back to the oxygen-starved area.
Concrete, adopt boring aeration at biochemical zone, provide biochemical zone required dissolved oxygen on the one hand, make floating stuffing be fluidized state on the other hand; Add certain density aluminium salt in the dosing mixing zone, and adopt boring aeration to stir, both can remove the phosphorus of sewage, can further reduce the suspended substance in the water again through coagulating sedimentation; After the settling region carries out mud-water separation.
Effluent quality through after the above-mentioned processing is following: water temperature=12～25 ℃; COD<50mg/>L, clearance is more than 90%; BOD5<10mg/>L, clearance is more than 95%; SS<10mg/>L, clearance is more than 95%; NH
4 +-N<5mgL, clearance is more than 95%; TN≤15mg/L, clearance is more than 90%; TP≤0.5mg/L, clearance is more than 90%; PH=7.0～8.5.
Compare with existing sewage treatment process method, realized denitrogenation dephosphorizing simultaneously preferably, reduced floor space, reduced the sludge yield of biochemical part, specifically have following beneficial effect:
1) process method good sewage processing effect of the present invention effectively combines biochemical process and chemical dephosphorization technology, removes when can realize in the sewage nitrogen and phosphorus;
2) all add a certain proportion of suspended biological filler in oxygen-starved area and aerobic zone, make full use of suspended sludge and biomembranous synergy, reduce hydraulic detention time, reach treatment effect preferably, and realize low sludge yield;
3) aerobic zone partition running can be given full play to the synergy between similar microbial population, overcomes the antagonistic action between the different microorganisms population;
4) process method floor space of the present invention is little, and simultaneously, initial cost and working cost are low;
5) process method of the present invention adopts the integrated module design, can realize automatic operating, and management maintenance is convenient;
6) in sum, process method treatment effect of the present invention and economic performance all are higher than present institute adopting process.
The above; Be merely the preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the embodiment of the invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (2)
1. a sewage water treatment method is characterized in that, comprising:
Hold back bigger suspended substance or swimmer in the sewage through blocking dirty grid, through equalizing tank the water quantity and quality of sewage is regulated and preliminary sedimentation again;
To carry out denitrification denitrogenation with the oxygen-starved area of the suspended biological filler of aerobic zone backflow mixed liquor through being provided with predetermined proportion through the said sewage that blocks after dirty grid and equalizing tank are handled handles; Remove the organism in the sewage through aerobic zone again, the mixed solution of aerobic zone is carried through gas be back to the oxygen-starved area at last;
To pass through said gas and carry remaining sewage and remove phosphorus and further remove suspended substance in the water, will carry out mud-water separation through the settling region through the sewage in said mixing dosing district again through aluminium salt that adds predetermined concentration and the mixing dosing district that adopts boring aeration to stir.
2. method according to claim 1 is characterized in that, the said organism of removing in the sewage through aerobic zone comprises:
Thereby at first remove in the sewage 70%～80% organism through mikrobe absorption and synthetic, the oxygenolysis through mikrobe carries out oxygenolysis to residual organic in the sewage again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102077070A CN102690029A (en) | 2012-06-18 | 2012-06-18 | Sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102077070A CN102690029A (en) | 2012-06-18 | 2012-06-18 | Sewage treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102690029A true CN102690029A (en) | 2012-09-26 |
Family
ID=46855788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102077070A Pending CN102690029A (en) | 2012-06-18 | 2012-06-18 | Sewage treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102690029A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819049A (en) * | 2013-12-23 | 2014-05-28 | 桑德集团有限公司 | Sewage treatment method and system |
| CN104649511A (en) * | 2014-12-23 | 2015-05-27 | 安徽省天虹绿洲环保科技有限公司 | Rural domestic wastewater treatment process |
| CN106219894A (en) * | 2016-09-05 | 2016-12-14 | 中山环保产业股份有限公司 | A kind of integrated sewage treating apparatus and the method processing sewage thereof |
| CN106256790A (en) * | 2016-09-05 | 2016-12-28 | 中山环保产业股份有限公司 | A kind of integrated sewage treating apparatus not producing mud and the method processing sewage thereof |
| CN110713307A (en) * | 2018-07-13 | 2020-01-21 | 北京安力斯环境科技股份有限公司 | Advanced treatment method for combined village and town sewage on same side of water inlet and outlet |
| CN114873843A (en) * | 2022-04-15 | 2022-08-09 | 山东招金膜天股份有限公司 | Integrated sewage treatment process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05185090A (en) * | 1992-01-14 | 1993-07-27 | Ebara Infilco Co Ltd | Method for disposing organic waste water containing nitrogen and phosphorus |
| JPH10286586A (en) * | 1997-04-17 | 1998-10-27 | Maezawa Ind Inc | Wastewater treatment apparatus |
| CN1552644A (en) * | 2003-06-06 | 2004-12-08 | 同济大学 | Small-town sewage treating process |
| CN1785845A (en) * | 2005-10-30 | 2006-06-14 | 林国章 | Treatment technology of powdered built biocarrier fluidized bed A/O sewage |
| CN101613167A (en) * | 2008-06-27 | 2009-12-30 | 东莞市明珠染整实业有限公司 | A kind of treatment process of cycling and reutilization dyeing and printing sewage |
-
2012
- 2012-06-18 CN CN2012102077070A patent/CN102690029A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05185090A (en) * | 1992-01-14 | 1993-07-27 | Ebara Infilco Co Ltd | Method for disposing organic waste water containing nitrogen and phosphorus |
| JPH10286586A (en) * | 1997-04-17 | 1998-10-27 | Maezawa Ind Inc | Wastewater treatment apparatus |
| CN1552644A (en) * | 2003-06-06 | 2004-12-08 | 同济大学 | Small-town sewage treating process |
| CN1785845A (en) * | 2005-10-30 | 2006-06-14 | 林国章 | Treatment technology of powdered built biocarrier fluidized bed A/O sewage |
| CN101613167A (en) * | 2008-06-27 | 2009-12-30 | 东莞市明珠染整实业有限公司 | A kind of treatment process of cycling and reutilization dyeing and printing sewage |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819049A (en) * | 2013-12-23 | 2014-05-28 | 桑德集团有限公司 | Sewage treatment method and system |
| CN103819049B (en) * | 2013-12-23 | 2016-06-29 | 桑德集团有限公司 | A kind of sewage water treatment method and system |
| CN104649511A (en) * | 2014-12-23 | 2015-05-27 | 安徽省天虹绿洲环保科技有限公司 | Rural domestic wastewater treatment process |
| CN106219894A (en) * | 2016-09-05 | 2016-12-14 | 中山环保产业股份有限公司 | A kind of integrated sewage treating apparatus and the method processing sewage thereof |
| CN106256790A (en) * | 2016-09-05 | 2016-12-28 | 中山环保产业股份有限公司 | A kind of integrated sewage treating apparatus not producing mud and the method processing sewage thereof |
| CN110713307A (en) * | 2018-07-13 | 2020-01-21 | 北京安力斯环境科技股份有限公司 | Advanced treatment method for combined village and town sewage on same side of water inlet and outlet |
| CN114873843A (en) * | 2022-04-15 | 2022-08-09 | 山东招金膜天股份有限公司 | Integrated sewage treatment process |
| CN114873843B (en) * | 2022-04-15 | 2023-08-04 | 山东招金膜天股份有限公司 | Integrated sewage treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102531298B (en) | Sewage treatment device and method for enhanced denitrification A/A/O (Anodic Aluminum Oxide) and deoxygenation BAF (Biological Aerated Filter) | |
| CN102276103B (en) | Integrated in-situ denitrification culture wastewater biological treatment device and treatment method | |
| CN103482820B (en) | AAO-biological contact oxidation strengthened nitrogen and phosphorus removal integrated device and method | |
| CN102583743B (en) | Dual-sludge denitrification dephosphorizing and denitrifying A/A-O device and method | |
| CN102690029A (en) | Sewage treatment method | |
| CN105330108B (en) | Utilize anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit | |
| CN108383320A (en) | A kind of integrated processing method of livestock breeding wastewater | |
| CN210855718U (en) | Novel rural sewage treatment system | |
| CN105859025A (en) | Domestic sewage dirt-cleaning flow-dividing biological ecological treatment method and apparatus | |
| CN202785899U (en) | Sewage treatment device | |
| CN105174438B (en) | A kind of method of improved MBR municipal sewage treatments | |
| CN105776749B (en) | The catalysis oxidation that organic wastewater is electroplated combines polynary biochemical system and its deep treatment method | |
| CN207108604U (en) | A kind of energy-saving sewage treating device of high-efficient denitrification and dephosphorization | |
| CN107216004B (en) | Domestic sewage treatment system and method | |
| CN103183454A (en) | Coupling type biological denitrification method and system thereof | |
| CN201313853Y (en) | Biofilm reaction equipment for wastewater treatment | |
| CN105036819A (en) | Facility for producing earthworm breeding loam by utilizing aquaculture sewage and method | |
| CN201713417U (en) | Aeration biological filter pool device for efficiently denitrifying and dephosphorizing | |
| CN101857345A (en) | Aeration biological filter pool device and process for efficiently denitrifying and dephosphorizing | |
| CN102276106B (en) | Livestock and poultry manure wastewater processing method | |
| CN209906566U (en) | IV-type water discharge standard domestic sewage treatment device | |
| CN201517061U (en) | Sewage treatment system | |
| CN203768185U (en) | Coking wastewater treatment system | |
| CN202007177U (en) | Dideoxy denitrification equipment for enhanced sewage denitrification | |
| CN207313242U (en) | A kind of split reflux declines oxygen denitrification reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120926 |