CN105668807A - Method adopting microorganisms for treating coal chemical industrial wastewater - Google Patents
Method adopting microorganisms for treating coal chemical industrial wastewater Download PDFInfo
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- CN105668807A CN105668807A CN201610114903.1A CN201610114903A CN105668807A CN 105668807 A CN105668807 A CN 105668807A CN 201610114903 A CN201610114903 A CN 201610114903A CN 105668807 A CN105668807 A CN 105668807A
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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
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Abstract
The invention discloses a method adopting microorganisms for treating coal chemical industrial wastewater. The method comprises the following steps: mixing a functional bacteria preparation and a material dense with capillary structures according to a weight ratio of (6 to 10):1, so as to obtain a functional material, and then throwing into the coal chemical industrial wastewater. The method has the following advantages: the functional bacteria preparation can be constantly proliferated while dissolvable and colloidal organic pollutants in water are gradually consumed or converted into stable and easily degradable substances. Compared with the existing gravity oil removal and floating separation processes, the method is more economical and environment-friendly, the advantage of comprehensive energy efficiency is obvious, and great significance is put forth for harmless treatment on the coal chemical industrial wastewater.
Description
Technical field
The invention belongs to chemical field, relate to a kind of method adopting microbial treatments coal chemical industrial waste water.
Background technology
Coal chemical industrial waste water is an intractable industrial wastewater of class. Coal Chemical Industry mainly includes coal gasification, liquefaction, dry distilling and tar production and carbide acetylene chemical industry etc. Wherein coal gasification waste water be this wherein contaminant component is the most complicated, concentration is high, the difficult class waste water being biodegradable. Such contains the poisonous and harmful substances such as a large amount of phenol, cyanogen, oil, ammonia nitrogen, and organic pollution includes phenols, polycyclc aromatic compound and heterocyclic compound etc. nitrogenous, oxygen, sulfur. Easily biodegradable organics in waste water is mainly phenolic compound and benzene-like compounds, as arsenic cough up, naphthalene, furan, to narrow azole etc. be main; The Organic substance of difficult degradation mainly has arsenic pyridine, carbazole, biphenyl, terphenyl etc.
The contaminated wastewater substrate concentration that coal chemical industry enterprises produces is high, bio-toxicity is big, biodegradability is poor, so biochemical treatment increase pretreatment oil removing dephenolizing process is very necessary. Pretreatment conventional at present includes the techniques such as ammonia still process, extracting and dephenolizing, the gravity gentle flotation of oil removal.
Publication date is the Chinese patent CN102559414A on July 11st, 2012, a kind of biological degreasing agent, comprises the microbial fermentation solution of following volume ratio: bacillus subtilis 20-40%, bacillus polymyxa 20-30%, Aspergillus niger 10-25%, Nocard's bacillus 10-25%. Biological degreasing agent character described in this invention is gentle, environment-protecting asepsis, is used for oils and fats of degrading, and solves the problem of pipe blockage in kitchen that Organic substance oils and fats causes, dining room, hotel, hotel, meat product processing factory etc. The screening not posting industrial wastewater oils phenols for Coal Chemical Industry high concentration due to flora is cultivated, so being difficult to cultivate as oil removing dephenolize strain domestication.
Current each technique has different pluses and minuses, depends merely on a kind of process technique oil removing dephenolize limited in one's ability, is difficult to obtain ideal effect, so current process technique has limited the lifting of coal chemical industrial waste water treatment efficiency. And in biological utilisation field, because pollutants in coal chemical industry wastewater concentration is big compared with high bio-toxicity, common microorganism species is difficult to domestication breeding, it does not have significantly oil removing dephenolize degradation capability, does not have microorganism to be used in the successful case of Coal Chemical Industry pretreatment stage at present temporarily.So develop a kind of can in high-concentration coal wastewater from chemical industry the microorganism species of oil removing dephenolize, harmless treatment coal chemical industrial waste water is significant.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method adopting microbial treatments coal chemical industrial waste water, and the method can oil removing dephenolize effectively.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of method adopting microbial treatments coal chemical industrial waste water, comprise the following steps: function microbial inoculum is mixed by weight the ratio of 6～10:1 with the intensive material having pore to construct, obtain functional material, be then fed in coal chemical industrial waste water.
As preferably, described function microbial inoculum by light Gordonia bronchialis, rhodococcus erythropolis, Colophonium vacation Burkholderia, addicted to pyridine Rhodococcus fascians, Comamonas testosteroni, Pseudomonas alcaligenes, make addicted to root Stenotrophomonas, sphingolipid zygosaccharomyces, false pain alkali Zymomonas mobilis and Azospirillum.
As preferably, described function microbial inoculum by volume, by light Gordonia bronchialis 6～10 parts, rhodococcus erythropolis 6～10 parts, Colophonium vacation Burkholderia 6～10 parts, addicted to pyridine Rhodococcus fascians 6～10 parts, Comamonas testosteroni 6～10 parts, Pseudomonas alcaligenes 1～3 part, make addicted to root Stenotrophomonas 1～3 part, sphingolipid zygosaccharomyces 1～3 part, false pain alkali Zymomonas mobilis 1～3 part and Azospirillum 1～3 part.
As preferably, described function microbial inoculum by volume, by light Gordonia bronchialis 8 parts, rhodococcus erythropolis 8 parts, Colophonium vacation Burkholderia 8 parts, addicted to pyridine Rhodococcus fascians 8 parts, Comamonas testosteroni 8 parts, Pseudomonas alcaligenes 2 parts, make addicted to root Stenotrophomonas 2 parts, sphingolipid zygosaccharomyces 2 parts, false pain alkali Zymomonas mobilis 2 parts and Azospirillum 2 parts.
As preferably, described material is made up of inorganic material, organic material or trade waste, or is mixed by their arbitrary proportion. Material after formation is irregular three-dimensional configuration, has intensive pore structure, so having the absorbability of excellence. Irregular at the material inner pore pole of figure, size is also different. The more, then pore volume is bigger for pore, and specific surface is also big, is conducive to absorption fixation of microbe. The microbial inoculum of microorganism used therefor of the present invention mainly forms with Zymomonas mobilis, coccus and fungus, and the diameter of major part strain is at 0.1-0.6 μm, and the general diameter of fungal mycelia is at below 10um, and strain form of diverse, individual variation is big. Outer surface gross porosity is the path that microbial bacterial agent enters material internal. By tortuous path, after the bacterium solution containing microorganism penetrates into material depths, microorganism is made to be not easy to be broken up loss by appendix is fixing owing to the irregular duct of material internal becomes narrow gradually.
As preferably, the mass ratio of described functional material and coal chemical industrial waste water is 1:300～800.
As preferably, before described functional material is fed into coal chemical industrial waste water, also including the step of aeration, pH regulator.
As preferably, the time of described aeration is 24～96 hours; Described pH regulator range for 7～8.
In the present invention, light Gordonia bronchialis (Gordonianitida) is diesel oil decomposer, can decompose benzene,toluene,xylene, naphthalene, phenanthrene, DEPH, ETBE; Rhodococcus erythropolis (Rhodococcuserythropolis) is diesel oil decomposer, can decompose naphthalene, toluene, ethylbenzene, dimethylbenzene; Colophonium vacation Burkholderia (Pseudoburkholderiamalthae) is diesel oil, heavy oil decomposer, can decompose heavy oil, diesel oil; Addicted to pyridine Rhodococcus fascians (Rhodococcuspyridinivorans) be diesel oil, heavy oil decomposer, degradable phenol;Comamonas testosteroni (Comamonastestosterone) is diesel oil decomposer, can decompose Hydrocarbon, diesel oil, naphthalene, phenanthrene, phenol; Pseudomonas alcaligenes (Pseudomonasalcaligenes) is Ppolynuclear aromatic decomposer, has the potentiality of decomposing organic matter and aromatic hydrocarbons;
It is Ppolynuclear aromatic decomposer addicted to root Stenotrophomonas (Stenotrophomonasrhizophila), there is the ability decomposing lignin, organic pollution and aromatic hydrocarbons; Sphingolipid zygosaccharomyces (Novosphingobiumsp.) is Ppolynuclear aromatic decomposer, has the potentiality decomposing tricyclic aromatic Hydrocarbon naphthalene; False pain alkali Zymomonas mobilis (Pseudomonaspseudoalcaligenes) is Ppolynuclear aromatic decomposer, has the ability of decomposing organic matter and aromatic hydrocarbons pyrene; Azospirillum (Azospirillumpicis) is Ppolynuclear aromatic decomposer, has the ability of biological nitrogen fixation, synthesis plant hormone, decomposing organic pollutant.
Microbial inoculum used by the present invention is commercially available bacterium solution.
The present invention adopts the intensive material having pore to construct, and function microbial inoculum can be made to penetrate into the depths to material. Owing to material internal is irregular duct, become narrow gradually from inside to outside, function microbial inoculum can be made to be not easy after being fixed by appendix to be broken up loss, thus after being fed into coal chemical industrial waste water, it is achieved function microbial inoculum while constantly breeding gradually by water in dissolving, the organic pollution materials consumption of colloidal body or be converted into stable degradable material. The technique comparing existing gravity oil removal and dissolved air flotation, environmental protection more economically, comprehensive energy efficiency is with the obvious advantage, is significant for harmless treatment coal chemical industrial waste water.
Detailed description of the invention
Below the specific embodiment of the present invention is described further. At this it should be noted that be adapted to assist in for the explanation of these embodiments and understand the present invention, but it is not intended that limitation of the invention. As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of invention described below does not constitute conflict each other.
Embodiment 1
By coal chemical industrial waste water aeration 48 hours, regulate pH to 7.5, put into functional material, stirring and evenly mixing. Wherein, functional material is 1:500 with the mass ratio of coal chemical industrial waste water.
Functional material is mixed by weight the ratio of 8:1 with the intensive material having pore to construct by function microbial inoculum, wherein, the intensive material having pore to construct is made up of inorganic material, organic material or trade waste, or is mixed by their arbitrary proportion; Described function microbial inoculum by volume, by light Gordonia bronchialis 8 parts, rhodococcus erythropolis 8 parts, Colophonium vacation Burkholderia 8 parts, addicted to pyridine Rhodococcus fascians 8 parts, Comamonas testosteroni 8 parts, Pseudomonas alcaligenes 2 parts, be mixed addicted to root Stenotrophomonas 2 parts, sphingolipid zygosaccharomyces 2 parts, false pain alkali Zymomonas mobilis 2 parts and Azospirillum 2 parts.
Embodiment 2
By coal chemical industrial waste water aeration 96 hours, regulate pH to 8, put into functional material, stirring and evenly mixing. Wherein, functional material is 1:800 with the mass ratio of coal chemical industrial waste water.
Functional material is mixed by weight the ratio of 10:1 with the intensive material having pore to construct by function microbial inoculum, wherein, the intensive material having pore to construct is made up of inorganic material, organic material or trade waste, or is mixed by their arbitrary proportion; Function microbial inoculum by volume, by light Gordonia bronchialis 10 parts, rhodococcus erythropolis 10 parts, Colophonium vacation Burkholderia 10 parts, addicted to pyridine Rhodococcus fascians 10 parts, Comamonas testosteroni 10 parts, Pseudomonas alcaligenes 3 parts, be mixed addicted to root Stenotrophomonas 3 parts, sphingolipid zygosaccharomyces 3 parts, false pain alkali Zymomonas mobilis 3 parts and Azospirillum 3 parts.
Embodiment 3
By coal chemical industrial waste water aeration 24 hours, regulate pH to 7, put into functional material, stirring and evenly mixing. Wherein, functional material is 1:300 with the mass ratio of coal chemical industrial waste water.
Functional material is mixed by weight the ratio of 6:1 with the intensive material having pore to construct by function microbial inoculum, wherein, the intensive material having pore to construct is made up of inorganic material, organic material or trade waste, or is mixed by their arbitrary proportion; Function microbial inoculum by volume, by light Gordonia bronchialis 6 parts, rhodococcus erythropolis 6 parts, Colophonium vacation Burkholderia 6 parts, addicted to pyridine Rhodococcus fascians 6 parts, Comamonas testosteroni 6 parts, Pseudomonas alcaligenes 1 part, be mixed addicted to root Stenotrophomonas 1 part, sphingolipid zygosaccharomyces 1 part, false pain alkali Zymomonas mobilis 1 part and Azospirillum 1 part.
Comparative example 1
By coal chemical industrial waste water aeration 24 hours, regulate pH to 7.
For verifying the technique effect of the present invention, spy makes tests below, and result is in Table 1.
The different embodiment of table 1 processes the situation of coal chemical industrial waste water
From upper table, along with the passage adding the functional material time, total oil and COD degradation are also progressively decreased obviously. After process terminates, abnormal smells from the patient substantially weakens, and water surface foam significantly reduces, but colourity change is inconspicuous. Functional material used by the present invention is disposable adds recycling, harmless in biodegradation oil removing dephenolize process, does not produce secondary pollution, and surplus sludge volume is few. Phase force of gravity oil removal and air supporting separating technology are economic and environment-friendly, and comprehensive energy efficiency is with the obvious advantage, are significant for harmless treatment coal chemical industrial waste water.
Above embodiments of the present invention are explained in detail, but the invention is not restricted to described embodiment. For a person skilled in the art, when without departing from the principle of the invention and spirit, these embodiments are carried out multiple change, amendment, replacement and modification, still falls within protection scope of the present invention.
Claims (8)
1. the method adopting microbial treatments coal chemical industrial waste water, it is characterized in that, comprise the following steps: function microbial inoculum is mixed by weight the ratio of 6～10:1 with the intensive material having pore to construct, obtains functional material, be then fed in coal chemical industrial waste water.
2. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 1, it is characterised in that: described function microbial inoculum by light Gordonia bronchialis, rhodococcus erythropolis, Colophonium vacation Burkholderia, addicted to pyridine Rhodococcus fascians, Comamonas testosteroni, Pseudomonas alcaligenes, make addicted to root Stenotrophomonas, sphingolipid zygosaccharomyces, false pain alkali Zymomonas mobilis and Azospirillum.
3. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 2, it is characterized in that: described function microbial inoculum by volume, by light Gordonia bronchialis 6～10 parts, rhodococcus erythropolis 6～10 parts, Colophonium vacation Burkholderia 6～10 parts, addicted to pyridine Rhodococcus fascians 6～10 parts, Comamonas testosteroni 6～10 parts, Pseudomonas alcaligenes 1～3 part, make addicted to root Stenotrophomonas 1～3 part, sphingolipid zygosaccharomyces 1～3 part, false pain alkali Zymomonas mobilis 1～3 part and Azospirillum 1～3 part.
4. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 3, it is characterized in that: described function microbial inoculum by volume, by light Gordonia bronchialis 8 parts, rhodococcus erythropolis 8 parts, Colophonium vacation Burkholderia 8 parts, addicted to pyridine Rhodococcus fascians 8 parts, Comamonas testosteroni 8 parts, Pseudomonas alcaligenes 2 parts, make addicted to root Stenotrophomonas 2 parts, sphingolipid zygosaccharomyces 2 parts, false pain alkali Zymomonas mobilis 2 parts and Azospirillum 2 parts.
5. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 1, it is characterised in that: described material is made up of inorganic material, organic material or trade waste, or is mixed by their arbitrary proportion.
6. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 1, it is characterised in that: the mass ratio of described functional material and coal chemical industrial waste water is 1:300～800.
7. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 1, it is characterised in that: before described functional material is fed into coal chemical industrial waste water, also include the step of aeration, pH regulator.
8. a kind of method adopting microbial treatments coal chemical industrial waste water according to claim 7, it is characterised in that: the time of described aeration is 24～96 hours; Described pH regulator range for 7～8.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106082439A (en) * | 2016-07-19 | 2016-11-09 | 云南圣清环保科技有限公司 | A kind of high-efficient treatment method of low stain water remediation |
| CN106115934A (en) * | 2016-07-19 | 2016-11-16 | 云南圣清环保科技有限公司 | A kind of microorganism species of low stain water remediation |
| CN114369481A (en) * | 2021-11-30 | 2022-04-19 | 西安科技大学 | Method for degrading coal by screening microorganisms through acoustic suspension instrument |
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| CN106082439A (en) * | 2016-07-19 | 2016-11-09 | 云南圣清环保科技有限公司 | A kind of high-efficient treatment method of low stain water remediation |
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| CN114369481A (en) * | 2021-11-30 | 2022-04-19 | 西安科技大学 | Method for degrading coal by screening microorganisms through acoustic suspension instrument |
| CN114369481B (en) * | 2021-11-30 | 2023-11-14 | 西安科技大学 | Method for degrading coal by screening microorganisms through acoustic suspension instrument |
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