CN106365321A - Method for effectively removing COD from polluted water - Google Patents
Method for effectively removing COD from polluted water Download PDFInfo
- Publication number
- CN106365321A CN106365321A CN201610340766.3A CN201610340766A CN106365321A CN 106365321 A CN106365321 A CN 106365321A CN 201610340766 A CN201610340766 A CN 201610340766A CN 106365321 A CN106365321 A CN 106365321A
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- China
- Prior art keywords
- parts
- water
- cod
- polluted
- bacteria
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
The invention discloses a method for effectively removing COD from polluted water. The method comprises the following steps: 1, selecting florae composed of 5-15 parts of pseudomonas, 15-25 parts of Bacillus spp, 5-10 parts of acinetobacter, 5-10 parts of nitrobacteria, 10-15 parts of denitrifying bacteria, 10-20 parts of microzyme and 10-15 parts of photosynthetic bacteria; 2, directly inoculating a medium with the florae according to an inoculation amount of 1% (w/v), and activating bacterial strains at 37 DEG C under 120 rpm for 16 h to make the total strain quantity be greater than 10<9> CFU/ml; and 3, adding 0.05-0.1% of a mixed bacterial liquid formed by the activated florae to polluted water to be treated. The microbial florae applied to the invention have high adaptability, and can effectively remove the COD pollutants in the polluted water, and the removal rate reaches 90% or above; and the method has the advantages of reduction of the content of ammonia nitrogen, total nitrogen and total phosphorus in water, deodorization and turbidity reduction effects, inhibition of growth and breeding of harmful bacteria, and substantial water purifying effect in order to recover the self-cleaning ability of water.
Description
Technical field
The present invention relates to technology of waste water control field, the side of more particularly, to a kind of effective removal polluted-water cod
Method.
Background technology
Statement in this part merely provide the background information relevant with present disclosure thereby increases and it is possible to
Do not constitute prior art.
COD cod (chemical oxygen demand) is chemically to measure in water sample to need
The amount of reducing substanceses that will be oxidized.In waste water, wastewater treatment plant effluent and contaminated water, can be strong
The oxygen equivalent of oxidizing material (generally Organic substance).In grinding of river pollution and industrial wastewater property
Study carefully and the operational management of waste water treatment plant in, it is that one is important and the Organic substance that can comparatively fast measure is dirty
Dye parameter, is often represented with symbol cod.
With the quickening developing rapidly with Development of China's Urbanization of China's economy, China's water environment suffers from unprecedented
Threaten, the contaminated problem of water environment becomes increasingly conspicuous.2014 China Environmental State Bulletin, national 423 masters
Want the water quality monitoring of 968 surface water monitoring sections (point position) of river, 62 emphasis lakes (reservoir)
Result shows, and bad class water quality section accounts for 20.9%, 6.8%, 9.2% respectively.The richness of environment water
Nutrient laden, blackening foul, pathogen is exceeded, have badly influenced ecology, people's people's livelihood in water environment region
Live and industrial and agricultural production safety, the restoration of the ecosystem of therefore water environment is the important environmental problem of urgent need to resolve.
In existing sewage cod processing method, especially basin contaminant water, majority is with physics and chemistry side
Based on method, these methods not only invest greatly, maintenance cost high, and the long-term regulation effect of difficult to reach, change
Method may also result in secondary pollution.At present, biology in situ recovery technique pollution administration water body is the safest
And environmental protection.In view of microorganism has the advantages that source is wide, easily culture, breeding is fast, strong to environmental suitability,
And microorganism by the metabolic response of itself by pollutant oxidation be decomposed into the end-products such as carbon dioxide and water or
Person is converted into the nutrient substance of microorganism, promotes the growth and breeding of itself；Microorganism can also utilize itself
Thalline or secretion polysaccharose substance adsorbed water body float reduce water turbidity, hence with microorganism in situ
The cod reducing polluted-water has efficient, inexpensive advantage.
Key using microorganism remediation pollution administration water body technology is to improve the thalline number of function of water body microorganism
And activity, the method currently commonly used is the micro- life of function adding in growth of microorganism activator fast-propagation water body
Thing, or add the functional microorganism flora of high concentration, accelerate to reduce water body cod, and the former microorganism is given birth to
Also expanding propagation non-functional microorganism while long activator activation functional microorganism, final effect is not often good；Throw
The method of high concentration functional microorganism flora can quickly reduce water body cod, but when front to polluted-water throwing
Plus microorganism species species and concentration proportioning unreasonable, be likely to result in treatment effect not good it is also possible to cause
Secondary pollution.
Therefore prior art has much room for improvement and develops.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of safety and environmental protection, application wide, has significant water
Matter clean-up effect, the method recovering effective removal polluted-water cod of the original self-purification capacity of water body.
The technical solution of the present invention is: a kind of method of effective removal polluted-water cod, step 1: choosing
Take by 5～15 parts of pseudomonass, 15～25 parts of bacillus cereuss, 5～10 parts of acinetobacter calcoaceticus, 5～10 parts of nitrobacteria,
10～15 parts of denitrifying bacteria, 10～20 parts of yeast, the flora of 10～15 parts of compositions of photosynthetic bacteria；
Step 2: in culture medium as described in 0.5～2% inoculum concentration (w/v) direct inoculation flora, 28～40 DEG C,
Actication of culture 12～24h under the conditions of 100～150rpm, thalline sum reaches 1.0～10 × 109cfu/ml；
Step 3: the flora after activation, add 0.05～0.1% mixed bacteria liquid according to institute's pollution administration water body amount.
10 parts of described pseudomonass, 25 parts of described bacillus cereuss, 10 parts of described acinetobacter calcoaceticus, described nitrobacteria
5 parts, 15 parts of described denitrifying bacteria, 20 parts of described yeast, 15 parts of described photosynthetic bacteria.
The group of wherein culture medium is divided into: peptone 0.5～1g/l, yeast powder 0.5～1g/l, glucose 3～5g/l,
Sodium chloride 5～10g/l, dipotassium hydrogen phosphate 0.1～0.5g/l, magnesium sulfate 0.5g/l, ammonium sulfate 0.5～1g/l, from
Water 1l, ph6.5～7.5.
Peptone 1g/l, yeast powder 0.5g/l, glucose 5g/l, sodium chloride 5g/l, dipotassium hydrogen phosphate 0.3g/l,
Magnesium sulfate 0.5g/l, ammonium sulfate 1g/l, tap water 1l, ph7.0.
Beneficial effects of the present invention:
The microorganism species strong adaptability of present invention application, effectively quickly removes cod pollutant in polluted-water,
Reduction rate reaches more than 90%, will not cause the secondary pollution of water body；Reduce the ammonia nitrogen of water body, total nitrogen, total simultaneously
Phosphorus equal size, and can also deodorization the turbid descending degree；And the growth and breeding of harmful bacteria can be suppressed, have significantly
Effects of purification quality, thus reaching the purpose repairing water body, recovers water body self-purification ability.The present invention is using throwing
Plus feature and all good food chain characteristic composite flora of adaptability, ecologic stability is strong, low cost, keeps
Water quality, practical, there is good economic, ecological, social benefit.The present invention can be used for being contaminated
Point source or basin water body improvement.
Specific embodiment
According to the theory of aquatic food chain, from the efficient functional microorganism bacterium of the elite domestication of nature, Jing Guoxun
Change and directive breeding improves effect of bacterial strain further, all good to polluted-water feeding function and adaptability
Food chain characteristic flora, cod pollutant are finally decomposed to titanium dioxide by the metabolic response using microorganism itself
The end-product such as carbon and water or the nutrient substance being converted into microorganism, promote the growth and breeding of itself；Not only root
Except cod pollutant, and avoid secondary pollution；The microbial cells of this flora or its secretion polysaccharide
Material adsorbed water body float reduces water turbidity；Reduce polluted-water ammonia nitrogen, total nitrogen, total phosphorus etc., deodorization,
The growth and breeding of suppression harmful bacteria, thus reaching the effect that purifies water, recovers water body self-purification ability.
Embodiment 1: a kind of method of effective reduction polluted-water cod it is characterised in that: it includes following
The component of volume ratio: 10 parts of pseudomonass, 25 parts of bacillus cereuss, 10 parts of acinetobacter calcoaceticus, nitrobacteria 5
Part, 15 parts of denitrifying bacteria, 20 parts of yeast, 15 parts of photosynthetic bacteria.Press 1% inoculum concentration (w/v) in culture medium
The above-mentioned flora of direct inoculation, activated spawn 16h under the conditions of 37 DEG C, 120rpm, thalline sum reaches and is more than
109cfu/ml；After activation, mixed bacterial 0.05% adds the result such as table 1 in certain basin polluted-water, from table 1
It can be seen that the method for the present invention has good reducing effect to cod, ammonia nitrogen, total nitrogen, total phosphorus, process
Water quality afterwards reaches class water standard, and clearance reaches 92.59%, 93.04%, 92.82% and 85.61% respectively.
Table 1
| cod(mg/l) | nh3-n(mg/l) | tn(mg/l) | tp(mg/l) | |
| Before contamination data analysis | 205.2 | 11.50 | 20.90 | 1.39 |
| After process | 15 | 0.8 | 1.5 | 0.2 |
| Clearance (%) | 92.59 | 93.04 | 92.82 | 85.61 |
In the description of this specification, the description of term " embodiment " etc. mean with reference to this embodiment or
The specific features of example description, structure, material or feature are contained at least one embodiment of the present invention or show
In example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.And, the specific features of description, structure, material or feature can be in any one or more realities
Apply in example or example and combine in an appropriate manner.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in domain, the present invention can have various modifications and variations.All in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement made etc., should be included in protection scope of the present invention it
Interior.
Claims (4)
1. a kind of method of effective removal polluted-water cod it is characterised in that:
Step 1: choose by 5～15 parts of pseudomonass, 15～25 parts of bacillus cereuss, 5～10 parts of acinetobacter calcoaceticus, nitre
Change 5～10 parts of antibacterial, 10～15 parts of denitrifying bacteria, 10～20 parts of yeast, the bacterium of 10～15 parts of compositions of photosynthetic bacteria
Group；
Step 2: in culture medium as described in 0.5～2% inoculum concentration (w/v) direct inoculation flora, 28～40 DEG C,
Actication of culture 12～24h under the conditions of 100～150rpm, thalline sum reaches 1.0～10 × 109cfu/ml；
Step 3: the flora after activation, add 0.05～0.1% mixed bacteria liquid according to institute's pollution administration water body amount.
2. as claimed in claim 1 effectively remove polluted-water cod method it is characterised in that: described
10 parts of pseudomonass, 25 parts of described bacillus cereuss, 10 parts of described acinetobacter calcoaceticus, 5 parts of described nitrobacteria, institute
State 15 parts of denitrifying bacteria, 20 parts of described yeast, 15 parts of described photosynthetic bacteria.
3. the effective removal polluted-water cod described in claim 1 method it is characterised in that: wherein train
The group of foster base is divided into: peptone 0.5～1g/l, yeast powder 0.5～1g/l, glucose 3～5g/l, sodium chloride
5～10g/l, dipotassium hydrogen phosphate 0.1～0.5g/l, magnesium sulfate 0.5g/l, ammonium sulfate 0.5～1g/l, tap water 1l,
Ph6.5～7.5.
4. the effective removal polluted-water cod described in claim 3 method it is characterised in that: peptone
1g/l, yeast powder 0.5g/l, glucose 5g/l, sodium chloride 5g/l, dipotassium hydrogen phosphate 0.3g/l, magnesium sulfate 0.5
G/l, ammonium sulfate 1g/l, tap water 1l, ph7.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610340766.3A CN106365321A (en) | 2016-05-19 | 2016-05-19 | Method for effectively removing COD from polluted water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340766.3A CN106365321A (en) | 2016-05-19 | 2016-05-19 | Method for effectively removing COD from polluted water |
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| CN106365321A true CN106365321A (en) | 2017-02-01 |
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| CN201610340766.3A Pending CN106365321A (en) | 2016-05-19 | 2016-05-19 | Method for effectively removing COD from polluted water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220186A (en) * | 2017-12-20 | 2018-06-29 | 无锡市拜沃特环保科技有限公司 | A kind of denitrogenation is except algae microbial bacterial agent and preparation method thereof |
| CN110669695A (en) * | 2019-10-28 | 2020-01-10 | 德蓝水技术股份有限公司 | Composite biological synergist for petrochemical wastewater treatment and preparation method thereof |
| CN113371850A (en) * | 2021-08-12 | 2021-09-10 | 山东得和明兴生物科技有限公司 | Compound microbial agent for efficiently purifying water and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381768A (en) * | 2011-07-26 | 2012-03-21 | 泉州师范学院 | Method for purifying mariculture wastewater by utilizing compound microbial inoculant |
| CN103205382A (en) * | 2013-04-12 | 2013-07-17 | 杭州一清环保工程有限公司 | Microbial agent for purifying river wastewater and preparation method of microbial agent |
-
2016
- 2016-05-19 CN CN201610340766.3A patent/CN106365321A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381768A (en) * | 2011-07-26 | 2012-03-21 | 泉州师范学院 | Method for purifying mariculture wastewater by utilizing compound microbial inoculant |
| CN103205382A (en) * | 2013-04-12 | 2013-07-17 | 杭州一清环保工程有限公司 | Microbial agent for purifying river wastewater and preparation method of microbial agent |
Non-Patent Citations (2)
| Title |
|---|
| 任南琪等: "《环境污染防治中的生物技术》", 31 March 2004, 化学工业出版社 * |
| 唐欣昀: "《微生物学》", 30 September 2009, 中国农业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108220186A (en) * | 2017-12-20 | 2018-06-29 | 无锡市拜沃特环保科技有限公司 | A kind of denitrogenation is except algae microbial bacterial agent and preparation method thereof |
| CN110669695A (en) * | 2019-10-28 | 2020-01-10 | 德蓝水技术股份有限公司 | Composite biological synergist for petrochemical wastewater treatment and preparation method thereof |
| CN113371850A (en) * | 2021-08-12 | 2021-09-10 | 山东得和明兴生物科技有限公司 | Compound microbial agent for efficiently purifying water and application thereof |
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Application publication date: 20170201 |
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