CN106396128B - It is a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body - Google Patents

It is a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body Download PDF

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Publication number
CN106396128B
CN106396128B CN201610846962.8A CN201610846962A CN106396128B CN 106396128 B CN106396128 B CN 106396128B CN 201610846962 A CN201610846962 A CN 201610846962A CN 106396128 B CN106396128 B CN 106396128B
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Prior art keywords
oxygen
black
catalyst
flyash
river water
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CN201610846962.8A
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Chinese (zh)
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CN106396128A (en
Inventor
肖羽堂
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华南师范大学
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    • 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
    • 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
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body, which is made of the raw material of following mass percentage: lime: 0.5~3.5%;Flyash: 12~38%;Powdered Activated Carbon: 3~15%;Powder fluorite: 10~25%;Excess sludge: 30~65%.The preparation method of the catalyst is the following steps are included: 1) the natural desiccation of each material;2) crushing, screening of each material;3) mixing of material.Catalyst of the invention can effectively facilitate the growth and breeding of oxygen-enriched bacterium in black-odor river water body, domestication incubation time is obviously shortened, oxygen-enriched bacterial concentration significantly increases, quantity increases, improve activated sludge concentration and sludge activity in water body, and then the anti-load impact ability of creek water body is improved, improve the processing capacity of repair system;Catalyst raw material of the invention is from a wealth of sources to be easy to get, and cost is extremely low, and preparation method is simple and easy to do, and stability is good.

Description

It is a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body

Technical field

The present invention relates to a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body, belongs to water Environment remediation technical field.

Background technique

Currently, the urban waterway Water-environment Ecological System in China is generally in imbalance state, water body nigrescence is smelly, landscape effect Fruit is poor, seriously polluted, and basic reason is to be discharged into the receiving that the organic contamination object amount in creek greatly exceeds water environment Amount.The organic pollutant being discharged into creek can consume the dissolved oxygen in water in biological decomposition process, make water body and bed mud Become anaerobic environment, under the decomposition of anaerobe, the foul gas such as hydrogen sulfide, methane, ammonia can be generated, meanwhile, The sulfide that anaerobic processes generate can also react with metal, generate the FeS sediment of black, and creek water body is caused to black. Research shows that: by adding a certain number of dominant bacterias and photosynthetic bacteria into black and odorous water, the water quality of water body can occur bright It is aobvious to improve.For example, adding indigenous microorganism under aeration condition, increase the oxygen-enriched microorganism concn in water body, it can be effective The organic pollutant in water body is removed, self detergent power of creek is improved.

The invention discloses a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, can be to black-odor river water Oxygen-enriched microorganism in body is efficiently repaired, and quality of water environment can be obviously improved, and is the biological treating of urban waste water Completely new solution is provided with restoration of the ecosystem, is suitable for being promoted and applied in the whole nation smelly bioremediation of waters of each urban black is administered.

Summary of the invention

The purpose of the present invention is to provide a kind of for black-odor river water body oxygen-enriched biological prosthetic catalyst and its preparation Method.

The technical solution used in the present invention is:

It is a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, by the raw material group of following mass percentage At:

Lime: 0.5~3.5%;

Flyash: 12~38%;

Powdered Activated Carbon: 3~15%;

Powder fluorite: 10~25%;

Excess sludge: 30~65%.

The flyash is Industrial Boiler flyash.

The partial size of the flyash is less than 180 μm.

The partial size of the Powdered Activated Carbon is less than 180 μm.

The partial size of the powder fluorite is less than 180 μm.

The excess sludge is the residual active sludge of municipal sewage plant's secondary settling tank or biochemistry pool.

The partial size of the excess sludge is less than 180 μm.

The above-mentioned preparation method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, comprising the following steps:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then It is sieved;

3) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge that screening obtains are mixed in proportion It is even, it obtains for the oxygen-enriched biological prosthetic catalyst of black-odor river water body.

The beneficial effects of the present invention are: catalyst of the invention can effectively facilitate oxygen-enriched bacterium in black-odor river water body Growth and breeding, domestication incubation time are obviously shortened, and oxygen-enriched bacterial concentration significantly increases, and quantity increases, and are improved active in water body Sludge concentration and sludge activity, and then the anti-load impact ability of creek water body is improved, improve the processing energy of repair system Power;Catalyst raw material of the invention is from a wealth of sources to be easy to get, and cost is extremely low, and preparation method is simple and easy to do, and stability is good.

1) lime in catalyst of the invention can be adjusted the pH value of water body, enhance flocculation, and be The growth and breeding of oxygen-enriched microorganism create advantage;

2) flyash in catalyst of the invention have flocculation, water body can be purified, and its contain it is more Kind microelement can play the role of the oxygen-enriched microorganism of activation;

3) Powdered Activated Carbon in catalyst of the invention has very strong suction-operated, can adsorb macromolecular in water or Microorganism forms biological activated carbon;

4) the powder fluorite in catalyst of the invention can adsorb ammonia nitrogen, and apposition growth nitrobacteria forms biological fluorite, The growth and breeding of nitrobacteria can effectively be accelerated;

5) activated sludge in catalyst of the invention can increase biological species with the oxygen-enriched microorganism of inoculating active, accelerate Oxygen-enriched microorganism growth and breeding.

Specific embodiment

It is a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, by the raw material group of following mass percentage At:

Lime: 0.5~3.5%;

Flyash: 12~38%;

Powdered Activated Carbon: 3~15%;

Powder fluorite: 10~25%;

Excess sludge: 30~65%.

Preferably, the flyash is Industrial Boiler flyash.

Preferably, the partial size of the flyash is less than 180 μm.

Preferably, the partial size of the Powdered Activated Carbon is less than 180 μm.

Preferably, the partial size of the powder fluorite is less than 180 μm.

Preferably, the excess sludge is the residual active sludge of municipal sewage plant's secondary settling tank or biochemistry pool.

Preferably, the partial size of the excess sludge is less than 180 μm.

The above-mentioned preparation method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, comprising the following steps:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then It is sieved;

3) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge that screening obtains are mixed in proportion It is even, it obtains for the oxygen-enriched biological prosthetic catalyst of black-odor river water body.

Application method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body of the invention is as follows: according to catalysis Agent, black-odor river sewage mass ratio (0.1~0.7): 1000 catalyst of the invention is added to by way of sowing it is black smelly It in canal reactor, is then aerated, carries out biological prosthetic treatment process.

The present invention will be further explained combined with specific embodiments below and explanation.

Embodiment 1:

Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then 80 meshes are crossed, are sieved;

3) lime of 1 mass parts, the flyash of 20 mass parts, the Powdered Activated Carbon of 9 mass parts, 23 matter for obtaining screening The excess sludge of the powder fluorite and 47 mass parts of measuring part is uniformly mixed, and is obtained oxygen-enriched biological prosthetic for black-odor river water body Catalyst.

Embodiment 2:

Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then 80 meshes are crossed, are sieved;

3) by screening obtain the lime of 0.5 mass parts, the flyash of 38 mass parts, 3 mass parts Powdered Activated Carbon, The powder fluorite of 18.5 mass parts and the excess sludge of 40 mass parts are uniformly mixed, and are obtained for the oxygen-enriched biology of black-odor river water body The catalyst of reparation.

Embodiment 3:

Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then 80 meshes are crossed, are sieved;

3) lime of 2 mass parts, the flyash of 25 mass parts, the Powdered Activated Carbon of 15 mass parts, 18 for obtaining screening The powder fluorite of mass parts and the excess sludge of 40 mass parts are uniformly mixed, and are obtained oxygen-enriched biological prosthetic for black-odor river water body Catalyst.

Embodiment 4:

Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then 80 meshes are crossed, are sieved;

3) by screening obtain the lime of 3.5 mass parts, the flyash of 12 mass parts, 9.5 mass parts Powdered Activated Carbon, The powder fluorite of 10 mass parts and the excess sludge of 65 mass parts are uniformly mixed, and obtain repairing for the oxygen-enriched biology of black-odor river water body Multiple catalyst.

Embodiment 5:

Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:

1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge nature is carried out at normal temperature respectively to do Change;

2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then 80 meshes are crossed, are sieved;

3) lime of 1 mass parts, the flyash of 29 mass parts, the Powdered Activated Carbon of 15 mass parts, 25 for obtaining screening The powder fluorite of mass parts and the excess sludge of 30 mass parts are uniformly mixed, and are obtained oxygen-enriched biological prosthetic for black-odor river water body Catalyst.

Test case:

It chooses catalyst prepared by embodiment 1 and carries out bacterium training of black and odorous water under the conditions of oxygen-enriched (DO is greater than 5mg/L) Domesticating time test and the test of CODcr removal effect.

Bacteria Culture of black and odorous water under the conditions of oxygen-enriched (DO is greater than 5mg/L) tames time test:

The black and odorous water of different CODcr is chosen respectively, the catalyst that different quality is added in water body is compared experiment, Culture domestication time of bacterium under the conditions of being aerated oxygen-enriched (DO is greater than 5mg/L) is as shown in table 1.

1 bacterium of table tames time (day) in the culture being aerated under excess oxygen

As shown in Table 1: after having added catalyst of the invention, the domestication time of bacterium is shortened dramatically, and the throwing of catalyst Dosage is bigger, and the domestication time accordingly shortens more, is more conducive to oxygen-enriched biological prosthetic.

CODcr removal effect test of black and odorous water under the conditions of oxygen-enriched (DO is greater than 5mg/L):

The black and odorous water of different CODcr is chosen respectively, the catalyst that different quality is added in water body is compared experiment, The CODcr removal rate being aerated under the conditions of oxygen-enriched (DO be greater than 5mg/L) is as shown in table 2.

Table 2 is aerated the CODcr removal rate (%) under excess oxygen

As shown in Table 2: after having added catalyst of the invention, oxygen-enriched biological prosthetic effect is obviously improved, and is urged The dosage of agent is bigger, and the removal rate of CODcr is higher.

The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (5)

1. a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is characterised in that: it is contained by following quality percentage The raw material of amount forms:
Lime: 0.5~3.5%;
Flyash: 12~38%;
Powdered Activated Carbon: 3~15%;
Powder fluorite: 10~25%;
Excess sludge: 30~65%;
The partial size of the flyash is less than 180 μm;
The partial size of the Powdered Activated Carbon is less than 180 μm;
The partial size of the powder fluorite is less than 180 μm.
2. according to claim 1 be used for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is characterised in that: described Flyash be Industrial Boiler flyash.
3. according to claim 1 be used for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is characterised in that: described Excess sludge be municipal sewage plant's secondary settling tank or biochemistry pool residual active sludge.
4. according to claim 3 be used for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is characterised in that: described Excess sludge partial size less than 180 μm.
5. being used for the preparation of the oxygen-enriched biological prosthetic catalyst of black-odor river water body described in any one of Claims 1 to 4 Method, it is characterised in that: the following steps are included:
1) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are subjected to nature desiccation at normal temperature respectively;
2) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge after desiccation are pulverized into powder respectively, then carried out Screening;
3) lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge that screening obtains are mixed in proportion, is obtained To for the oxygen-enriched biological prosthetic catalyst of black-odor river water body.
CN201610846962.8A 2016-09-23 2016-09-23 It is a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body CN106396128B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986789A (en) * 2006-12-20 2007-06-27 福州晨翔环保工程有限公司 Composite immobilized enzyme material for repairing polluted water source and its preparing process
CN104386825A (en) * 2014-12-01 2015-03-04 广西大学 Method for remediating pond water in situ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986789A (en) * 2006-12-20 2007-06-27 福州晨翔环保工程有限公司 Composite immobilized enzyme material for repairing polluted water source and its preparing process
CN104386825A (en) * 2014-12-01 2015-03-04 广西大学 Method for remediating pond water in situ

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