CN102604867A - Compound strain and method for treating industrial sludge by compound strain - Google Patents
Compound strain and method for treating industrial sludge by compound strain Download PDFInfo
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- CN102604867A CN102604867A CN2012100697492A CN201210069749A CN102604867A CN 102604867 A CN102604867 A CN 102604867A CN 2012100697492 A CN2012100697492 A CN 2012100697492A CN 201210069749 A CN201210069749 A CN 201210069749A CN 102604867 A CN102604867 A CN 102604867A
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- industrial sludge
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- mud
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a compound strain and a method for treating industrial sludge by the compound strain. The compound strain comprises bacillus natto powder, lactic acid bacteria powder and thiobacillus powder by mass ratio of 1:0-50:0-30, wherein the lactic acid bacteria powder and the thiobacillus powder cannot be 0 at the same time. In the method for treating industrial sludge by compound strain, the compound strain is inoculated to the industrial sludge according to the mass ratio of 1:10-100000 and cultured for more than 12 hours. The method is simple in operation management, low in running cost and safe and reliable.
Description
Technical field
The present invention relates to technical field of environmental pollution treatment, be specifically related to a kind ofly utilize mikrobe to carry out industrial sludge to fall malicious de-odorised treatment process.
Background technology
Pure terephthalic acid (PTA) is a kind of important chemical material, at synthon, produce terylene, preparation polyester plastics and coating, have widespread use as many-sides such as softening agent and dyestuff intermediates.But in the device production process of PTA, part PTA is always arranged along with the by product that generates in the reaction process effluxes; Simultaneously, the PTA waste material that effluxes when adding in the device production process because of run, drip, leak or accidental state makes the total amount that on average effluxes waste material account for l%～2% of PTA ultimate production.And the PTA waste material that these efflux, get into wastewater disposal basin after, wherein about 50% directly reclaims through settlement separate back, other has an appointment after the processing of 50% entering waste water processing station, final form with black PTA mud precipitates.
Traditional P TA wastewater treatment is to handle through anaerobic unit earlier, gets into aerobic unit then, and the treatment process of the excess sludge that produces is; Excess sludge is transported to sludge thickener to be concentrated; Moisture percentage in sewage sludge after concentrating is about about 98%, then gets into sludge dehydration device, removes the part moisture in the mud; Obtain the dewatered sludge of water ratio about 85%, dewatered sludge is again through further directly transporting outward landfill or burning after the oven dry.But because PTA mud has stronger corrodibility and unpleasant acid smell, and two kinds of methods do not carry out stabilizing treatment to mud, still have pollution hidden trouble.
The annual in addition a large amount of industrial sludges that also have pharmaceutical factory, printing and dyeing mill etc. to be produced; Main at present direct landfill method and the burning method of using of the processing of above-mentioned these mud; But, use direct burying method can cause secondary pollution, directly jeopardize ecotope and HUMAN HEALTH; And the obnoxious flavour that burning method can produce on the one hand causes secondary pollution, consumes a large amount of energy on the other hand.Objectionable constituent and stink how to handle industrial sludge also become the key problem in technology that ensures that mud is effectively disposed.
Summary of the invention
Be difficult to remove acid smell when solving the processing industrial sludge that prior art exists; The shortcoming that energy consumption is big; The present invention provides a kind of composite bacterial classification and utilizes it to handle the method for industrial sludge; This method utilizes mikrobe can reduce the sludge treatment cost, reduces mud to the pollution in environment soil with to appropriation of land.
Technical scheme of the present invention does: a kind of composite bacterial classification, composition is by quality ratio: Bacillus natto powder: lactobacillus powder: grate sulfur thiobacillus powder=1:0～50:0～30; Wherein, lactobacillus powder and grate sulfur thiobacillus powder are not 0 simultaneously.
Form and be by quality ratio: Bacillus natto: milk-acid bacteria: grate sulfur thiobacillus=1:1～10:1～6.
Utilize described composite bacterial classification to handle the method for industrial sludge, according to the mass ratio of composite bacterial classification and industrial sludge be 1:10～100000 with composite bacterial classification inoculation to industrial sludge, more than the cultivation 12h.
The mass ratio of described composite bacterial classification and industrial sludge is 1:100～10000.
Described industrial sludge is for the dewatered sludge of oven dry or without the dewatered sludge of drying.
Utilize described composite bacterial classification to handle the method for industrial sludge,, composite bacterial classification inoculation to industrial sludge, is cultivated more than the 12h according to the ratio of inoculating the composite bacterial classification of 0.0001～10g in every 100ml industrial sludge.
Inoculate 0.001～1g in every 100ml industrial sludge.
Described industrial sludge is anaerobic pond mud or Aerobic Pond mud or concentration basin mud.
Beneficial effect:
1.This method operational administrative is simple;
2.Composite bacterial classification is a pulvis, and transportation, easy to use also can be used by wiring solution-forming;
3.The acid smell effect that composite bacterial classification of the present invention reduces industrial sludge is obvious, obviously alleviates since the 6th～8 day acid smell, and acid smell disappears basically during by 14～20 days, and the COD value obviously descends, and reaches the industrial discharge standard;
4.Can reduce mud effectively to the pollution of atmospheric environment with to the injury of HUMAN HEALTH.
Embodiment
Below in conjunction with instance, specific embodiments of the invention further describes.
Bacillus natto, milk-acid bacteria and grate sulfur thiobacillus used in following examples are the bacterium powder.
Embodiment 1
With 0.001g Bacillus natto, 0.05g milk-acid bacteria, be inoculated into 100g without the oven dry dehydration PTA mud in; Surveying initial COD concentration is 4000 mg/L; If blank; At room temperature placed 20 days, and changed respectively at the sense of smell observation analysis mud smell that utilized human body on the the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows, a little less than the industrial sludge that has added composite bacterium was obviously seen since the acid smell of the 8th day mud, acid smell was not obvious after the 16th day, and acid smell disappears basically after 20 days, and the concentration of the COD that surveys at last is 460 mg/L, reaches the industrial discharge standard.
Embodiment 2
With 1g Bacillus natto, 5g lactobacillus inoculum in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 4th day mud, acid smell is not obvious after the 6th day, and acid smell disappears basically after 10 days, and the concentration of the COD that surveys at last is 220 mg/L, reaches the industrial discharge standard.
Embodiment 3
0.1g Bacillus natto, 1g grate sulfur thiobacillus are inoculated in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 6th day mud, acid smell is not obvious after the 8th day, and acid smell disappears basically after 12 days, and the concentration of the COD that surveys at last is 420 mg/L, reaches the industrial discharge standard.
Embodiment 4
0.01g Bacillus natto, 0.3g grate sulfur thiobacillus are inoculated in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 6th day mud, acid smell is not obvious after the 10th day, and acid smell disappears basically after 14 days, and the concentration of the COD that surveys at last is 460 mg/L, reaches the industrial discharge standard.
Embodiment 5
0.01g Bacillus natto, 0.5g milk-acid bacteria, 0.3g grate sulfur thiobacillus are inoculated in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day mud, acid smell is not obvious after the 12nd day, and acid smell disappears basically after 16 days, and the concentration of the COD that surveys at last is 470 mg/L, reaches the industrial discharge standard.
Embodiment 6
0.1g Bacillus natto, 1g milk-acid bacteria, 0.5g grate sulfur thiobacillus are inoculated in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day mud, acid smell is not obvious after the 12nd day, and acid smell disappears basically after 16 days, and the concentration of the COD that surveys at last is 420 mg/L, reaches the industrial discharge standard.
Embodiment 7
0.001g Bacillus natto, 0.04g milk-acid bacteria, 0.02g grate sulfur thiobacillus are inoculated in the dehydration PTA mud of 100g without oven dry; Surveying initial COD concentration is 4000 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 10th day mud, acid smell is not obvious after the 14th day, and acid smell disappears basically after 18 days, and the concentration of the COD that surveys at last is 490 mg/L, reaches the industrial discharge standard.
Embodiment 8
0.0001g Bacillus natto, 0.005g milk-acid bacteria, 0.003g grate sulfur thiobacillus are inoculated in the 100ml anaerobic pond mud; Surveying initial COD concentration is 2300 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 12nd day mud, acid smell is not obvious after the 18th day, and acid smell disappears basically after 20 days, and the concentration of the COD that surveys at last is 350 mg/L, reaches the industrial discharge standard.
Embodiment 9
0.1g Bacillus natto, 0.5g milk-acid bacteria, 0.3g grate sulfur thiobacillus are inoculated in the 100ml Aerobic Pond mud; Surveying initial COD concentration is 2800 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day mud, acid smell is not obvious after the 12nd day, and acid smell disappears basically after 14 days, and the concentration of the COD that surveys at last is 320 mg/L, reaches the industrial discharge standard.
Embodiment 10
0.1g Bacillus natto, 0.5g milk-acid bacteria, 0.3g grate sulfur thiobacillus are inoculated in the 100ml concentration basin mud; Surveying initial COD concentration is 3200 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day PTA mud, acid smell is not obvious after the 12nd day, and acid smell disappears basically after 16 days, and the concentration of the COD that surveys at last is 360 mg/L, reaches the industrial discharge standard.
Embodiment 11
0.1g Bacillus natto, 0.5g milk-acid bacteria, 0.3g grate sulfur thiobacillus are inoculated in the dewatered sludge of 100g oven dry; Surveying initial COD concentration is 5200 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 6th day PTA mud, acid smell is not obvious after the 10th day, and acid smell disappears basically after 14 days, and the concentration of the COD that surveys at last is 440 mg/L, reaches the industrial discharge standard.
Embodiment 12
0.1g Bacillus natto, 0.5g milk-acid bacteria, 1g grate sulfur thiobacillus are inoculated in pharmaceutical factory's dewatered sludge of 100g without oven dry; Surveying initial COD concentration is 3200 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day mud, acid smell is not obvious after the 14th day, and acid smell disappears basically after 18 days, and the concentration of the COD that surveys at last is 360 mg/L, reaches the industrial discharge standard.
Embodiment 13
0.3g Bacillus natto, 0.6g milk-acid bacteria, 1g grate sulfur thiobacillus are inoculated in printing and dyeing mill's dewatered sludge of 100g without oven dry; Surveying initial COD concentration is 5600 mg/L; At room temperature placed 20 days; Utilized the sense of smell observation analysis mud smell of human body to change in the 2nd, 4,6,8,10,12,14,16,18,20 day, and measure CO D concentration.
The result shows that a little less than obviously seeing since the acid smell of the 8th day PTA mud, acid smell is not obvious after the 12nd day, and acid smell disappears basically after 16 days, and the concentration of the COD that surveys at last is 480 mg/L, reaches the industrial discharge standard.
Claims (8)
1. a composite bacterial classification is characterized in that, forms to be by quality ratio: Bacillus natto powder: lactobacillus powder: grate sulfur thiobacillus powder=1:0～50:0～30; Wherein, lactobacillus powder and grate sulfur thiobacillus powder are not 0 simultaneously.
2. composite bacterial classification according to claim 1 is characterized in that: composition is by quality ratio: Bacillus natto: milk-acid bacteria: grate sulfur thiobacillus=1:1～10:1～6.
3. utilize claim 1 or 2 described composite bacterial classifications to handle the method for industrial sludges, it is characterized in that: according to the mass ratio of composite bacterial classification and industrial sludge be 1:10～100000 with composite bacterial classification inoculation to industrial sludge, more than the cultivation 12h.
4. the method for utilizing composite bacterial classification to handle industrial sludge according to claim 3, it is characterized in that: the mass ratio of described composite bacterial classification and industrial sludge is 1:100～10000.
5. according to claim 3 or the 4 described methods of utilizing composite bacterial classification to handle industrial sludge, it is characterized in that: described industrial sludge is for the dewatered sludge of oven dry or without the dewatered sludge of drying.
6. utilize claim 1 or 2 described composite bacterial classifications to handle the method for industrial sludge, it is characterized in that:, composite bacterial classification inoculation to industrial sludge, is cultivated more than the 12h according to the ratio of inoculating the composite bacterial classification of 0.0001～10g in every 100ml industrial sludge.
7. the method for utilizing composite bacterial classification to handle industrial sludge according to claim 6 is characterized in that: inoculate 0.001～1g in every 100ml industrial sludge.
8. according to claim 6 or the 7 described methods of utilizing composite bacterial classification to handle industrial sludge, it is characterized in that: described industrial sludge is anaerobic pond mud or Aerobic Pond mud or concentration basin mud.
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Cited By (2)
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| CN106277659A (en) * | 2015-05-15 | 2017-01-04 | 轻工业环境保护研究所 | A kind of method of sludge organism acidifying dehydration |
| CN107057706A (en) * | 2017-05-15 | 2017-08-18 | 成都蜀恒污水处理有限公司 | The preparation method of soil conditioner based on industrial sludge and agricultural crop straw |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106277659A (en) * | 2015-05-15 | 2017-01-04 | 轻工业环境保护研究所 | A kind of method of sludge organism acidifying dehydration |
| CN107057706A (en) * | 2017-05-15 | 2017-08-18 | 成都蜀恒污水处理有限公司 | The preparation method of soil conditioner based on industrial sludge and agricultural crop straw |
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| CN102604867B (en) | 2013-10-30 |
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