CN109231711A - A kind of black-odor riverway sewage disposal system and method - Google Patents

A kind of black-odor riverway sewage disposal system and method Download PDF

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Publication number
CN109231711A
CN109231711A CN201811313837.6A CN201811313837A CN109231711A CN 109231711 A CN109231711 A CN 109231711A CN 201811313837 A CN201811313837 A CN 201811313837A CN 109231711 A CN109231711 A CN 109231711A
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China
Prior art keywords
black
carbon
pond
sludge
odor riverway
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Pending
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CN201811313837.6A
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Chinese (zh)
Inventor
武涛
王聪
王丽
史鑫
吴迪
许盛凯
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Jiangsu Australian Eco Garden Ltd By Share Ltd
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Jiangsu Australian Eco Garden Ltd By Share Ltd
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Priority to CN201811313837.6A priority Critical patent/CN109231711A/en
Publication of CN109231711A publication Critical patent/CN109231711A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/16Regeneration of sorbents, filters
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The object of the present invention is to provide a kind of black-odor riverway sewage disposal system and methods, sewage in black-odor riverway is extracted by pipeline into system, pretreatment unit is first passed around to remove the larger volume impurity in black-odor riverway sewage, then pass to carbon fluidized bed, fluid in carbon fluidized bed is sent into solid-liquid separating equipment and is separated by solid-liquid separation, solid after separation of solid and liquid carries out carbon regeneration, liquid is sent into biological adsorption pond and is adsorbed, mixed liquor in biological adsorption pond is separated by solid-liquid separation, then sludge carries out anaerobic fermentation, biological adsorption pond is returned to after fermentation to continue to adsorb, and supernatant is then passed through biochemical reaction tank and/or catalysis oxidation pond, after treatment is discharged into the black-odor riverway.

Description

A kind of black-odor riverway sewage disposal system and method
Technical field
The present invention relates to a kind of technical field of sewage more particularly to black-odor riverway sewage disposal system and black foul sewage water Processing method.
Background technique
Black and odorous water improvement is proposed in " the water prevention and cure of pollution action plan " of State Council's publication and is distinctly claimed: to 2020 Year, China's ground level and the above completed region of the city black and odorous water control within 10%;To the year two thousand thirty, the black smelly water in completed region of the city Body is totally eliminated.
The main reason for water body generation is black smelly is exogenous organic matter and ammonia nitrogen consumption water oxygen, when dissolved oxygen drops to one It is a cross low-level when, large amount of organic further decomposes under the action of anaerobic bacteria, generate hydrogen sulfide, amine, ammonia and other with different The volatile small molecule compound of taste, to give out stink;Meanwhile under anaerobic, methane, the nitrogen generated in deposit Gas and hydrogen sulfide etc. are insoluble in the gas of water, and sludge is carried in uphill process and enters water phase, water body is made to black.
Currently used administering method is exactly artificial aeration, Sediment Dredging and water transfer etc., but these methods have purification Period is long, and regulation effect is poor, substantially palliative, and control expense is relatively high, it is difficult to long-term lasting application.
CN105923926A is black smelly using the membrane cisterna combination processing of carbon separator, biological tank and the MBR technique of MBR technique Sewage has obtained preferable treatment effect, but since the problems such as its processing cost height, low efficiency, high equipment cost is difficult on a large scale It uses, and the use of this method is difficult to the sewage in persistently effective processing black-odor riverway.
CN107673561B is then water conservancy diversion wall to be arranged in water course in situ, and a variety of processing ponds are arranged and carry out integrated treatment, Although this method can integrate the advantages of a variety for the treatment of process, in river be arranged training wall will affect river flood carrying capacity, Project cost is high simultaneously, it is difficult to flexible processing.
Summary of the invention
The present invention overcomes to the defect of black-odor riverway sewage treatment, provided at a kind of black-odor riverway sewage in the prior art System and method are managed, the sewage in black-odor riverway are extracted by pipeline into system, first passing around pretreatment unit will be black smelly Larger volume impurity removal in river sewage, then passes to carbon fluidized bed, and fluid in carbon fluidized bed is sent into separation of solid and liquid and is set It is separated by solid-liquid separation for interior, the solid after separation of solid and liquid carries out carbon regeneration, and liquid is sent into biological adsorption pond and is adsorbed, will be biological Mixed liquor is separated by solid-liquid separation in adsorption tank, and then sludge carries out anaerobic fermentation, is returned to biological adsorption pond after fermentation and is continued Absorption, and supernatant is then passed through biochemical reaction tank and/or catalysis oxidation pond, after treatment is discharged into the black-odor riverway.
A kind of black-odor riverway sewage disposal system, pretreatment unit, carbon fluidized bed, separation of solid and liquid including setting gradually are set Standby, biological adsorption pond, aerobic tank, catalysis oxidation pond and discharge bay, generating apparatus, carbon regenerate the solid-liquid separating equipment connection carbon again Equipment connects carbon fluidized bed, and the biological adsorption pond is also connected with fermentation vat, and the biological adsorption pond attached sludge of interior suction is delivered to hair The fermentation of ferment pond, after fermentation, partial sludge are back to biological adsorption pond and continue adsorption treatment, the supernatant in biological adsorption pond It is delivered to aerobic tank processing.
Further, carbonizing apparatus is additionally provided in the system, the sludge after the fermenting tank for fermentation is partially delivered to It is carbonized in carbonizing apparatus;
Further, the carbonizing apparatus connects carbon fluidized bed;
Further, sludge is to choose in black-odor riverway sewage indigenous microorganism as strain in the biological adsorption pond, Carry out enrichment culture generation;
Further, the aerobic tank connects discharge bay, and aerobic tank inner part sludge is delivered to discharge bay, with discharge bay Chinese effluent is into black-odor riverway;
Further, the fermentation vat connects discharge bay, and fermentation vat inner part sludge is delivered to discharge bay, with discharge bay Chinese effluent is into black-odor riverway;
Further, surfactant is added in the biological adsorption pond, the surfactant is Bio-surface active Agent, such as rhamnolipid;
Further, cast particle is added in the catalysis oxidation pond, and hydrogen peroxide is added, the cast particle includes Iron, carbon, copper and cerium, weight ratio 65-80:5-25:5:0.5;
Further, ferrous source is also added in catalysis oxidation pond;
Further, the sludge generated in catalysis oxidation pond is sent into carbonizing apparatus, with the sludge generated in fermentation vat Carry out carbonization treatment;
Further, it is based on waste water quality situation, it is convenient to omit aerobic tank, carbonizing apparatus, carbon generating apparatus again;
Further, the system, which may be provided in mobile device, carries out carrying out motor-driven processing to black-odor riverway.
A kind of black-odor riverway sewage water treatment method, includes the following steps:
1) it extracts black-odor riverway sewage to enter in pretreatment unit, coarse rack filters out the big partial size slag body in water body, carefully Grid further removes smaller impurity;
2) enter carbon flow bed after pretreatment unit filters, sewage is sufficiently mixed with carbon particle therein, generates suction Attached effect, after 15-60min, after the mixture in carbon fluidized bed is sent into solid-liquid separating equipment, generating apparatus and/or carbonization are set carbon again Carbon in standby, which is sent into carbon fluidized bed, to be continued to adsorb;
3) carbon that solid-liquid separating equipment is isolated is sent into carbon generating apparatus again, and supernatant is then sent into biological adsorption pond, raw The sludge generated filled with indigenous microorganism in black-odor riverway sewage as strain enrichment culture in object adsorption tank, residence time 20-80min;
4) supernatant is sent into aerobic tank in biological adsorption pond, and excess sludge is then sent into fermenting tank for fermentation processing, fermentation ends Afterwards, partial sludge is back to biological adsorption pond continuation adsorption treatment;
5) aerobic tank inner part sludge reflux to biological adsorption pond, aerobic tank water outlet is sent into catalysis oxidation pond, is catalyzed oxygen Change after pond water outlet then enters discharge bay and discharges.
Further, the fermentation vat connects discharge bay, and fermentation vat inner part sludge is delivered to discharge bay, with discharge bay Chinese effluent is into black-odor riverway;
Further, surfactant is added in the biological adsorption pond, the surfactant is Bio-surface active Agent, such as rhamnolipid;
Further, cast particle is added in the catalysis oxidation pond, and hydrogen peroxide is added, the cast particle includes Iron, carbon, copper and cerium, weight ratio 65-80:5-25:5:0.5;
Further, ferrous source is also added in catalysis oxidation pond;
Further, the sludge generated in catalysis oxidation pond is sent into carbonizing apparatus, with the sludge generated in fermentation vat Carry out carbonization treatment;
As can be seen from the above scheme, the present invention is a kind of black-odor riverway sewage disposal system and method, and structure is simple, running It is convenient, pollutant concentration in black and odorous water quick, easy can be reduced, and there is long-acting lasting place to black-odor riverway sewage treatment Reason effect has the advantage that compared with conventional processes
1, two-stage absorption is carried out to black and odorous water with carbon fluidized bed and biological adsorption pond, most of pollutant is adsorbed place Reason;
2, the sewage after adsorption treatment carries out aerobic, catalytic treatment, discharges after so that water quality is reached discharge standard;
3, microbial ecological wind will not be brought as bacterium source to processing region using indigenous microorganism in black-odor riverway sewage Danger;
4, a small amount of sludge is added in draining, improves water body self-purification ability, is a kind of effective hand of black-odor riverway sewage purification Section.
Detailed description of the invention
Fig. 1 is black-odor riverway sewage disposal system schematic diagram of the present invention;
Specific embodiment
Below by embodiment, the present invention is described in further detail, to enable those skilled in the art referring to specification Text can be implemented accordingly.
Such as " have " it should be appreciated that used herein, "comprising" and " comprising " term are not precluded one or more The presence or addition of a other elements or combinations thereof.
Embodiment 1
A kind of black-odor riverway sewage water treatment method, includes the following steps:
1) it extracts black-odor riverway sewage to enter in pretreatment unit, coarse rack filters out the big partial size slag body in water body, carefully Grid further removes smaller impurity;
2) enter carbon flow bed after pretreatment unit filters, sewage is sufficiently mixed with carbon particle therein, generates suction Attached effect, after 45min, after the mixture in carbon fluidized bed is sent into solid-liquid separating equipment, carbon is again in generating apparatus and/or carbonizing apparatus Carbon be sent into carbon fluidized bed in continue to adsorb;
3) carbon that solid-liquid separating equipment is isolated is sent into carbon generating apparatus again, and supernatant is then sent into biological adsorption pond, raw The sludge generated filled with indigenous microorganism in black-odor riverway sewage as strain enrichment culture in object adsorption tank, residence time 60min;
4) supernatant is sent into aerobic tank in biological adsorption pond, and excess sludge is then sent into fermenting tank for fermentation processing, fermentation ends Afterwards, partial sludge is back to biological adsorption pond continuation adsorption treatment;
5) aerobic tank inner part sludge reflux to biological adsorption pond, aerobic tank water outlet is sent into catalysis oxidation pond, is catalyzed oxygen Change after pond water outlet then enters discharge bay and discharges;
Surfactant is added in the biological adsorption pond, the surfactant is biosurfactant, such as mouse Lee's glycolipid adds cast particle in the catalysis oxidation pond, and hydrogen peroxide is added, the cast particle include iron, carbon, copper and The sludge generated in catalysis oxidation pond is sent into carbonizing apparatus, and is generated in fermentation vat by cerium, weight ratio 70:15:5:0.5 Sludge carry out carbonization treatment.
Embodiment 2
The black foul sewage water water quality situation in certain river: COD 258mg/L;Total phosphorus 4.18mg/L;Ammonia nitrogen 11.35mg/L;Dissolved oxygen For 0.27mg/L;Transparency is 10cm;SS (suspended matter) is 214.4mg/L.
Fluidized bed processing: COD is 158mg/L after absorption;Total phosphorus 3.58mg/L;Ammonia nitrogen 6.35mg/L;Transparency is 2cm;SS (suspended matter) is 65mg/L;
Biological adsorption pond: COD is 98mg/L after absorption;Total phosphorus 2.18mg/L;Ammonia nitrogen 4.13mg/L;Transparency is 2cm;SS (suspended matter) is 76mg/L;
Aerobic tank: COD is 78mg/L after Aerobic Process for Treatment;Total phosphorus 1.38mg/L;Ammonia nitrogen 1.65mg/L;
Catalysis oxidation pond: COD is 34mg/L after catalysis oxidation;Total phosphorus 0.67mg/L;Ammonia nitrogen 0.73mg/L.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of black-odor riverway sewage disposal system, it is characterised in that: including set gradually pretreatment unit, carbon fluidized bed, Solid-liquid separating equipment, biological adsorption pond, aerobic tank, catalysis oxidation pond and discharge bay, the solid-liquid separating equipment connection carbon regeneration Equipment, carbon regenerate equipment and connect carbon fluidized bed, and the biological adsorption pond is also connected with fermentation vat, the attached dirt of biological adsorption pond interior suction Mud is delivered to fermenting tank for fermentation, and after fermentation, partial sludge is back to biological adsorption pond and continues adsorption treatment, biological adsorption pond Interior supernatant is delivered to aerobic tank processing.
2. the system as claimed in claim 1, which is characterized in that be additionally provided with carbonizing apparatus, the fermentation vat in the system Sludge after fermentation, is partially delivered in carbonizing apparatus and is carbonized.
3. system as claimed in claim 2, which is characterized in that the carbonizing apparatus connects carbon fluidized bed.
4. the system as claimed in claim 1, which is characterized in that sludge is to choose black-odor riverway sewage in the biological adsorption pond Middle indigenous microorganism carries out enrichment culture generation as strain.
5. the system as claimed in claim 1, which is characterized in that the aerobic tank connects discharge bay, aerobic tank inner part sludge It is delivered to discharge bay, as discharge bay Chinese effluent is into black-odor riverway;
Preferably, the system, which may be provided in mobile device, carries out carrying out motor-driven processing to black-odor riverway.
6. the system as claimed in claim 1, which is characterized in that the fermentation vat connects discharge bay, fermentation vat inner part sludge It is delivered to discharge bay, as discharge bay Chinese effluent is into black-odor riverway.
7. the system as claimed in claim 1, which is characterized in that add surfactant, the table in the biological adsorption pond Face activating agent is biosurfactant, such as rhamnolipid.
8. the system as claimed in claim 1, which is characterized in that add cast particle in the catalysis oxidation pond, and be added double Oxygen water, the cast particle include iron, carbon, copper and cerium, weight ratio 65-80:5-25:5:0.5.
9. using a kind of sewage water treatment method of black-odor riverway sewage disposal system described in claim 1,
Include the following steps:
1) it extracts black-odor riverway sewage to enter in pretreatment unit, coarse rack filters out the big partial size slag body in water body, fine fack Further remove smaller impurity;
2) enter carbon flow bed after pretreatment unit filters, sewage is sufficiently mixed with carbon particle therein, is generated absorption and is made With after 15-60min, after mixture in carbon fluidized bed is sent into solid-liquid separating equipment, carbon is again in generating apparatus and/or carbonizing apparatus Carbon be sent into carbon fluidized bed in continue to adsorb;
3) carbon that solid-liquid separating equipment is isolated is sent into carbon generating apparatus again, and supernatant is then sent into biological adsorption pond, and biology is inhaled The sludge generated filled with indigenous microorganism in black-odor riverway sewage as strain enrichment culture in attached pond, residence time 20- 80min;
4) supernatant is sent into aerobic tank in biological adsorption pond, and excess sludge is then sent into fermenting tank for fermentation processing, after fermentation, portion Sludge reflux to biological adsorption pond is divided to continue adsorption treatment;
5) aerobic tank inner part sludge reflux to biological adsorption pond, aerobic tank water outlet is sent into catalysis oxidation pond, catalysis oxidation pond Water outlet is discharged after then entering discharge bay.
10. method as claimed in claim 9, which is characterized in that the fermentation vat connects discharge bay, fermentation vat inner part sludge It is delivered to discharge bay, as discharge bay Chinese effluent is into black-odor riverway.
CN201811313837.6A 2018-11-06 2018-11-06 A kind of black-odor riverway sewage disposal system and method Pending CN109231711A (en)

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CN201811313837.6A CN109231711A (en) 2018-11-06 2018-11-06 A kind of black-odor riverway sewage disposal system and method

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CN201811313837.6A CN109231711A (en) 2018-11-06 2018-11-06 A kind of black-odor riverway sewage disposal system and method
PCT/CN2019/078642 WO2020093643A1 (en) 2018-11-06 2019-03-19 System and method for treating black and odorous river channel sewage

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