CN109796105A - A kind of highly difficult organic wastewater treatment process - Google Patents
A kind of highly difficult organic wastewater treatment process Download PDFInfo
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- CN109796105A CN109796105A CN201910083961.6A CN201910083961A CN109796105A CN 109796105 A CN109796105 A CN 109796105A CN 201910083961 A CN201910083961 A CN 201910083961A CN 109796105 A CN109796105 A CN 109796105A
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Abstract
The invention discloses a kind of highly difficult organic wastewater treatment process, the following steps are included: S1, the stoste of landfill percolate to be successively directed into conditioning tank, in mixing pit, it overregulated, be pumped into EC-BC device after mixed processing by raw water, remove organic matter difficult to degrade in stoste；S2, will treated that waste water is directed into multi-stage aeration pond by EC-BC device, aeration is provided at aeration tank bottom, the waste water of filter material surface is flowed to by water-distributing device, a part is adsorbed on filter material surface, as in membranaceous attachment water layer, another part then flows through filtrate with lamelliform, as flowing water layer, the air in filtrate gap is constantly to flowing water layer transfer simultaneously, make to flow the dissolved oxygen that water layer keeps sufficient, waste water continuously flows, and biomembrane is generated on filter material surface and is graduallyd mature, organic matter is degraded.The present invention is convenient for operational management, and short processing time is high-efficient, and power consumption is less, and the utilization rate of oxygen is high, and operating cost is low.
Description
Technical field
The present invention relates to technical field of waste water processing more particularly to a kind of highly difficult organic wastewater treatment process.
Background technique
Sewage treatment is to reach sewage to drain a certain water body or mistake that the water quality requirement that reuses purifies it
Journey.It is each that sewage treatment is widely used in building, agricultural, traffic, the energy, petrochemical industry, environmental protection, urban landscape, medical treatment, food and drink etc.
The daily life of common people is also come into field more and more.
The characteristics of garbage leachate wastewater is water quality situation complexity, multiple pollutant is contained in water, and concentration variation is very greatly.
Not only contain aerobic organic matter in comprehensive wastewater, also contains heavy metal and nutrient for plants (ammonia nitrogen etc.), generally can also have
Malicious harmful organic substance, processing difficulty is big, and therefore, it is above-mentioned for solving that we have proposed a kind of highly difficult organic wastewater treatment process
Problem.
Summary of the invention
The purpose of the present invention is to solve aerobic organic matter is not only contained in waste water existing in the prior art, also contain
Heavy metal and nutrient for plants (ammonia nitrogen etc.), generally can also contain toxic organics, the big disadvantage of processing difficulty.
Technical scheme is as follows:
A kind of highly difficult organic wastewater treatment process, comprising the following steps:
S1, the stoste of landfill percolate is successively directed into conditioning tank, in mixing pit, is overregulated, after mixed processing
It is pumped into EC-BC device by raw water, removes organic matter difficult to degrade in stoste；
S2, will by EC-BC device, treated that waste water is directed into multi-stage aeration pond, provide exposure at aeration tank bottom
Gas flows to the waste water of filter material surface by water-distributing device, and a part is adsorbed on filter material surface, becomes in membranaceous attached water
Layer, another part then flow through filtrate with lamelliform, become flowing water layer, while the air in filtrate gap is constantly to flowing water layer
Transfer is continuously flowed with waste water and generates biomembrane on filter material surface, and organic matter is degraded, and is purified attachment water layer,
Flowing water layer is in contact with attachment water layer, and under effect of mass transmitting, the organic matter flowed in water layer passes to attachment water layer, to make
Flowing water layer is gradually purified；
S3, purified waste water is directed into sedimentation basin standing, upper layer waste water is then directed into coagulative precipitation tank, to useless
Dosing coagulant in water isolates larger particles or wadding body in waste water；
S4, continue to be directed into waste water in AOP reaction tower, AOP reaction tower connects ozone generator and carries out oxidation processes, just
The partial organic substances in degrading waste water are walked, difficult decomposing organic matter is changed into the easy decomposing organic matter of biochemical small molecule；
S5, the waste water in AOP reaction tower is directed into BAF reactor and is connected air blower, the medium in BAF reactor
With the presence of solid, liquid, gas three-phase, two kinds of biochemical reaction, adsorption filtration treatment process are merged carried out in BAF reactor decarburization,
Process is denitrogenated, then again returns in the AOP reaction tower in step S4 and secondary treatment is carried out to waste water；
S6, finally using BAC biological activated carbon adsorption treatment is carried out to waste water as bio-carrier, while in active carbon layer
Microorganism to useless Organic substance in water carry out resolution process, realize synergistic effect, reach Sewage advanced treatment purpose.
Preferably, the aeration tank is divided into level Four, and level Four aeration tank and EC-BC device connect air blower jointly.
Preferably, it is precipitated in the sedimentation basin and coagulative precipitation tank or the sludge of condensation enters sludge storage pool, sludge storage
Sludge a part in pond is transported outward by filter press, and another part is back in the first order aeration tank of aeration tank respectively and mixes
In pond.
Preferably, a kind of particulate filler has been used in the aeration tank, the particulate filler of rough porous has very big ratio
Surface area, when waste water passes through packing layer in vertical direction, pollutant is filtered and is adsorbed first, filtrate used in aeration tank
Grain partial size is 3~5mm, and packed height is 2.0~4.0m.
Preferably, the EC-BC device includes that vinylidene fibre is processed into the solid netted body of comb type
Revolving body, revolving body are the silk screen states of 95%~98% or more voidage, and the influx of dirty water and air is high.
Preferably, bacillus is adhered on the revolving body, and bacillus concentration is in 10000~30000mg/l.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention is more high-efficient than conventional activated sludge process nitrogen phosphorus ligands, capacity of resisting impact load is strong, runs more steady
It is fixed；
2. requirement of the present invention than conventional activated sludge process to carbon-nitrogen ratio is lower, without adding carbon source；
3. the present invention can reach without increasing advanced treatment process, such as UF membrane or biological aerated filter etc., water outlet
The standard of level-one A；
4. aeration quantity needed for waste water treatment process of the invention is smaller, dissolved oxygen is 0.1~1.0mg/l, and operating cost is low；
5. waste water treatment process dwell time of sewage of the invention is short, occupied area is small；
6. overall process of the present invention no setting is required independent deodorization device.
Present invention employs strain-bacillus bar coccuses that one kind is specially cultivated, and are equipped with special biologic packing material,
Part high-enriched organics in waste water and inorganic matter can be made by biochemical reaction, degraded, it is final generate carbon dioxide and
Water is one kind in Industrial Wastewater Treatment and its effective biochemical technology, biofilm and activated sludge process advantage is had both, with work
Property sludge compare have it is strong to load variations impact capacity, be not necessarily to returned sludge, do not occur sludge bulking, convenient for operation pipe
Reason, short processing time is high-efficient, and power consumption is less, and the utilization rate of oxygen is high, takes up little area, operating cost is low.
Detailed description of the invention
Fig. 1 is a kind of flow chart of highly difficult organic wastewater treatment process proposed by the present invention.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment:
With reference to Fig. 1, a kind of highly difficult organic wastewater treatment process proposed by the present invention, comprising the following steps:
S1, the stoste of landfill percolate is successively directed into conditioning tank, in mixing pit, is overregulated, after mixed processing
It is pumped into EC-BC device by raw water, removes organic matter difficult to degrade in stoste；
S2, will by EC-BC device, treated that waste water is directed into multi-stage aeration pond, provide exposure at aeration tank bottom
Gas flows to the waste water of filter material surface by water-distributing device, and a part is adsorbed on filter material surface, becomes in membranaceous attached water
Layer, another part then flow through filtrate with lamelliform, become flowing water layer, while the air in filtrate gap is constantly to flowing water layer
Transfer makes to flow the dissolved oxygen that water layer keeps sufficient, and waste water continuously flows, generated on filter material surface biomembrane and gradually at
Ripe, organic matter is degraded, and is purified attachment water layer, and flowing water layer is in contact with attachment water layer, under effect of mass transmitting, flowing
Organic matter in water layer passes to attachment water layer, so that flowing water layer be made gradually to be purified；
S3, purified waste water is directed into sedimentation basin standing, upper layer waste water is then directed into coagulative precipitation tank, to useless
Dosing coagulant in water is eliminated or is reduced the intergranular mutually exclusive power of water-borne glue body, water-borne glue body particle is made to be easy to mutually touch
It hits and is formed by overlapping with agglomeration as larger particles or wadding body, and then be separated from the water out；
S4, continue to be directed into waste water in AOP reaction tower, AOP reaction tower connects the oxidation that ozone generator utilizes ozone
Ability handles sewage, initial breakdown partial organic substances matter, and difficult decomposing organic matter is made to be changed into biochemical small molecule
Easy decomposing organic matter, while the oxygen generated after being decomposed using ozone keeps useless oxygen in water sufficient；
By according to centainly adding ratio and add ozone and hydrogen peroxide respectively, using the association response effect of two kinds of substances,
Generate great amount of hydroxy group free radical, non-selectivity oxidation operation at CO2、H2O or mineral salt, so that COD and color be effectively reduced
Degree.Therefore the organic matter that its common oxidizer that effectively can thoroughly degrade cannot degrade, to have the function that thoroughly to purify.
By addition catalyst, (present invention selects H2O2) it is made to act synergistically with ozone, pass through urging for two kinds of substances
Change chain reaction, generate a large amount of hydroxyl radical free radical --- the Strong oxdiative ability and waste water of OH, hydroxyl radical free radical --- OH
In organic components carry out oxidation reaction, thus promote reaction it is quick progress and higher reaction efficiency.
Reaction principle are as follows: 2O3+H2O2→2·OH+3O2
However, the effect of hydrogen peroxide can also change in the decomposable process of ozone, when the dosage of hydrogen peroxide reaches
After certain value, ozone can be inhibited to decompose by the chain reaction of free radical
S5, the waste water in AOP reaction tower is directed into BAF reactor and is connected air blower, the medium in BAF reactor
With the presence of solid, liquid, gas three-phase, biochemical reaction is merged with two kinds for the treatment of processes of adsorption filtration and is completed in same structures, it is real
The effect that existing decarburization is denitrogenated, the AOP reaction tower then again returned in step S4 is interior to handle sewage；
S6, it finally utilizes BAC BAC Technology to Organic substance in water and the very strong characterization of adsorption of dissolved oxygen, is made
Traditional biologic packing material is replaced by bio-carrier, and makes full use of in the absorption and active carbon layer of active carbon organic point of microorganism
The synergistic effect of solution reaches Sewage advanced treatment purpose.
In the present embodiment, the structure of the revolving body of EC-BC device is that vinylidene fibre is processed into comb type
Solid netted body.Thus successfully replace the metal part that corrosion is generated in revolving body.In addition, biosphere can enter solid
It is latticed internal, such and avoidable revolving body surface biosphere to fall off.
Treatment effect of the bacillus in sewage disposal system is how to make its advantage in sewage.Thus, necessary
By the continuous advantage culture of bacillus, it is allowed to be proliferated and activates.The microorganism of common activated sludge process must be
Biofacies could be formed in sink.But after can directly drawing oxygen abundant in air as EC-BC device, make bud
Spore bacillus quickly adheres to and breeds in rolling contact body surface face.Its reproduction speed is common activated sludge process in aeration tank
3~5 times.
In addition the revolving body of EC-BC device is the stream of the silk screen state of 95%~98% or more voidage, dirty water and air
Enter amount it is high, therefore, while be able to maintain that aerobic state in revolving body, activate the bacillus of advantage and sink
Ownership is compared to there are about four times of ownerships.The bacillus concentration of revolving body biofilm part 10000~30000mg/l,
It can change with water and water quality load change is adjusted correspondence.Therefore, bacillus possesses mode and common activity
Sludge (rolling contact body or sink) is different, has an enormous advantage in priorization.
In the primary biological element (carbon, nitrogen, sulphur, hydrogen, phosphorus and oxygen) of microorganism, full metabolite lack nitrogen and sulphur this two
Kind of element, thus in anabolic process by specific reaction conversions at the composition substance of cell, both elements are to restore
Form enters anabolic process.Wherein nitrogen is with ammonia (NH3) form, sulphur is with hydrogen sulfide (H2S form), both members
Element, which can become others according to environmental change, can use chemical form.In other words, the structure that they can be employed as organic matter
It is used at the inorganic matter form under substance or other acidification state, is entered after being drawn in the form of ammonia or ammonium salt, hydrogen sulfide
Anabolic process, peculiar smell is removed at this time, and then realizes deodorizing effect.It is dropped to by the pH of above process biological reaction pool
6.5~6.8.
70~80% or more of BOD loading can be removed by EC-BC device.In addition, the dissolved oxygen concentration in aeration tank
It can meet under conditions of low concentration (0.1~1.0mg/l).Therefore, required aeration capacity is than common activated sludge process
It is greatly decreased.There are also do not needed in whole sewage disposal system the attendant equipments such as deodorization device, amid all these factors, can be achieved section
The about energy.EC-BC device is miniaturization device, be may be provided on sink, processing capacity of a set of EC-BC equipment to pollutant
It is equivalent to 600m3The processing capacity of aeration tank after whole transformation of facility is at EC-BC systematization, can substantially subtract aeration tankage
It is few, therefore can significantly save space occupied.
In the present embodiment, the aeration tank is divided into level Four, and level Four aeration tank and EC-BC device connect air blower jointly,
The sludge for precipitating or condensing in the sedimentation basin and coagulative precipitation tank enters sludge storage pool, sludge a part in sludge storage pool
Transported outward by filter press, another part be back in the first order aeration tank of aeration tank respectively and mixing pit in, the aeration tank
A kind of particulate filler is inside used, the particulate filler of rough porous has very big specific surface area, therefore biological aerated filter has
There is excellent strainability, when sewage passes through packing layer in vertical direction, pollutant is filtered and adsorbed first, filter
Reason is different with conventional rapid filter, and filtration mechanism is based primarily upon following reason: a) mechanical retention acts on, aeration and biological
Filtering material particle particle size used in filter tank is generally 3~5mm, and packed height is 2.0~4.0m, than filtrate used in conventional rapid filter
700mm will firmly get more, and according to filtration mechanism, the lesser suspension substance of grain diameter in water inlet can be trapped.B) particle
There are many microorganism, the stickum such as polysaccharide, esters etc. generated in bacteria metabolism effect, which rises, to be inhaled for growth on filtrate
Attached bridging action, is bonded together with colloidal particle, forms tiny wadding body, is removed by contact flocculation effect.C) it is aerated
In biofilter due to the role of microorganisms, make to reduce into the Zeta potential in water, thus make part micelle it is de- surely formed it is larger
Particle and be removed, therefore biological aerated filter reactor can remove partial organic substances by filtration.
For total nitrogen, since landfill leachate is pre-processed by a large amount of, in remaining total nitrogen, the amount of ammonia nitrogen and organic nitrogen
Seldom, can ignore, the ingredient of main total nitrogen is NO3- N, therefore after oxidation, BAF points are multistage, and wherein afterbody is
Special removal total nitrogen is the denitrification filter pool of anaerobism/and oxygen, and denitrification process refers to NO2 -And NO3 -It is reduced to gaseous nitrogen
Process, denitrifying bacterium carries out anaerobic respiration as electron acceptor using nitrate in this process, is made with organic matter or methanol
For denitrifying carbon source.Since organic concentration remaining in waste water is lower, denitrification removing total nitrogen is not achieved in C/N specific concentration
It is required that therefore adding carbon source of the methanol as biological denitrification in the water inlet of denitrification filter pool.
Denitrification removes NO3The reaction equation of-N are as follows:
NO3 -+1.08CH3OH+0.24H2CO3→0.06C5H7O2N+0.47N2+1.68H2O+HCO3 -
In denitrifying bacterium endogenous respiration, the reaction equation of generation are as follows:
C5H7O2N+4.6NO3 -→5CO2+2.8N2+1.2H2O+4.6OH-
By denitrification filter pool, organic matter and TN in landfill leachate are largely converted into inorganic matter (CO2、H2O、
N2) removed from water, while sub-fraction TN is then converted into cellular material removal, is flow back to intermediate pool by periodically backwashing,
Then it is removed again by physico-chemical precipitation.After denitrification filter pool is handled, it is contemplated that the utilization rate of organic carbon source is 60%-
70%, it is remaining not using part can be entered with biodegradable organic matter oxidation of coal filter tank carry out biology aerobic processing,
It removes organic matter and by bio assimilated effect, removes remaining small part ammonia nitrogen, the path for transformation of organic matter and ammonia nitrogen are as follows:
This nitration denitrification principle removes total nitrogen, so that water outlet total nitrogen reaches emission request after processing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of highly difficult organic wastewater treatment process, which comprises the following steps:
S1, the stoste of landfill percolate is successively directed into conditioning tank, in mixing pit, overregulated, after mixed processing by original
Water pump is sent into EC-BC device, and organic matter difficult to degrade in stoste is removed；
S2, will by EC-BC device, treated that waste water is directed into multi-stage aeration pond, provide aeration at aeration tank bottom, lead to
The waste water that water-distributing device flows to filter material surface is crossed, a part is adsorbed on filter material surface, becomes in membranaceous attachment water layer, another
Filtrate is then flowed through with lamelliform in part, becomes flowing water layer, while the air in filtrate gap is constantly shifted to flowing water layer, with
Waste water is continuously flowed generates biomembrane on filter material surface, and organic matter is degraded, and is purified attachment water layer, flows water layer
It is in contact with attachment water layer, under effect of mass transmitting, the organic matter flowed in water layer passes to attachment water layer, to make to flow water layer
Gradually it is purified；
S3, purified waste water is directed into sedimentation basin standing, upper layer waste water is then directed into coagulative precipitation tank, into waste water
Dosing coagulant isolates larger particles or wadding body in waste water；
S4, continue to be directed into waste water in AOP reaction tower, AOP reaction tower connects ozone generator and carries out oxidation processes, preliminary to drop
The partial organic substances in waste water are solved, difficult decomposing organic matter is changed into the easy decomposing organic matter of biochemical small molecule；
S5, the waste water in AOP reaction tower is directed into BAF reactor and is connected air blower, the medium in BAF reactor with
Solid, liquid, gas three-phase exists, and two kinds of biochemical reaction, adsorption filtration treatment process are merged and carries out decarburization in BAF reactor, remove
Then nitrogen process again returns in the AOP reaction tower in step S4 and carries out secondary treatment to waste water；
S6, finally using BAC biological activated carbon adsorption treatment is carried out to waste water as bio-carrier, while it is micro- in active carbon layer
Biology carries out resolution process to useless Organic substance in water, realizes synergistic effect, reaches Sewage advanced treatment purpose.
2. a kind of highly difficult organic wastewater treatment process according to claim 1, which is characterized in that the aeration tank is divided into
Level Four, and level Four aeration tank and EC-BC device connect air blower jointly.
3. a kind of highly difficult organic wastewater treatment process according to claim 2, which is characterized in that the sedimentation basin and mixed
It is precipitated in solidifying sedimentation basin or the sludge of condensation enters sludge storage pool, sludge a part in sludge storage pool passes through outside filter press
Fortune, another part be back to respectively the first order aeration tank of aeration tank in mixing pit in.
4. a kind of highly difficult organic wastewater treatment process according to claim 1, which is characterized in that make in the aeration tank
There is very big specific surface area with the particulate filler of a kind of particulate filler, rough porous, waste water passes through in vertical direction to be filled out
When the bed of material, pollutant is filtered and is adsorbed first, and filtering material particle partial size used in aeration tank is 3~5mm, packed height 2.0
~4.0m.
5. a kind of highly difficult organic wastewater treatment process according to claim 1, which is characterized in that the EC-BC device
Revolving body including vinylidene fibre to be processed into the solid netted body of comb type, revolving body be voidage 95%~
The influx of 98% or more silk screen state, dirty water and air is high.
6. a kind of highly difficult organic wastewater treatment process according to claim 5, which is characterized in that attached on the revolving body
Bacillus, and bacillus concentration is in 10000~30000mg/l.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170576A (en) * | 2020-01-16 | 2020-05-19 | 河南英伟泰环境科技有限公司 | Anaerobic biogas slurry treatment process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050075948A (en) * | 2004-01-19 | 2005-07-26 | 주식회사 코엔텍 | Leachate treating system and method of the same |
| CN1994936A (en) * | 2006-12-05 | 2007-07-11 | 南开大学 | Method for processing and resuing carbinol waste water for circulated cooling water |
| CN204848581U (en) * | 2015-07-13 | 2015-12-09 | 浙江卓锦环保科技股份有限公司 | Effluent disposal system of configuration pressure swing adsorption oxygenerator |
| CN109133332A (en) * | 2018-09-25 | 2019-01-04 | 青海洁神环境能源产业有限公司 | Biological rotating disk pond and sewage disposal device |
-
2019
- 2019-01-29 CN CN201910083961.6A patent/CN109796105A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050075948A (en) * | 2004-01-19 | 2005-07-26 | 주식회사 코엔텍 | Leachate treating system and method of the same |
| CN1994936A (en) * | 2006-12-05 | 2007-07-11 | 南开大学 | Method for processing and resuing carbinol waste water for circulated cooling water |
| CN204848581U (en) * | 2015-07-13 | 2015-12-09 | 浙江卓锦环保科技股份有限公司 | Effluent disposal system of configuration pressure swing adsorption oxygenerator |
| CN109133332A (en) * | 2018-09-25 | 2019-01-04 | 青海洁神环境能源产业有限公司 | Biological rotating disk pond and sewage disposal device |
Non-Patent Citations (1)
| Title |
|---|
| 祁鲁梁等: "《水处理工艺与运行管理实用手册》", 31 May 2002, 中国石化出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170576A (en) * | 2020-01-16 | 2020-05-19 | 河南英伟泰环境科技有限公司 | Anaerobic biogas slurry treatment process |
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