CN104529055B - The method of wastewater treatment produced during junked tire reclaims - Google Patents

The method of wastewater treatment produced during junked tire reclaims Download PDF

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CN104529055B
CN104529055B CN201410705122.0A CN201410705122A CN104529055B CN 104529055 B CN104529055 B CN 104529055B CN 201410705122 A CN201410705122 A CN 201410705122A CN 104529055 B CN104529055 B CN 104529055B
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waste water
water
weight
bacterium powder
accounts
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CN104529055A (en
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尤晓明
王显涛
李洋
迟文泉
邓世海
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Shandong Yongtai Chemical Group Co Ltd
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Shandong Yongtai Chemical Group Co Ltd
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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • 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
    • C02F3/347—Use of yeasts or fungi
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/38—Polymers

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mycology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention belongs to environment-protective water processing technology field, be specifically related to the method for wastewater treatment produced during a kind of junked tire reclaims.The method of wastewater treatment produced during junked tire reclaims, comprises following step: (1) acid neutralization in waste water is 6.5-7.5 to its pH, then carries out multiple-effect evaporation desalting treatment; (2) defoamer is added in the waste water in step (1), then through aeration defoaming treatment; (3) microbial water-purifying agent is added in the waste water in step (2); (4) zymin is added in the waste water in step (3); (5) oxidation and adsorption step (4) in waste water.Adopt sewage water treatment method of the present invention, purifying water effect is good, and water purification speed is fast, security is high, the secondary pollution do not produced, is raw material with the material with adsorptive power, is aided with microorganism and processes sewage, use range is wide, and the water clarity after process is high, recoverable.

Description

The method of wastewater treatment produced during junked tire reclaims
Technical field
The invention belongs to environment-protective water processing technology field, be specifically related to the method for wastewater treatment produced during a kind of junked tire reclaims.
Background technology
Along with communications and transportation cause is day by day flourishing, the quantity of all kinds of automobile sharply increases, the consequent is not only traffic congestion and tail gas pollution problem, how to process a large amount of junked tire produced every year and also become the problem demanding prompt solution that people face, a large amount of junked tires, if stack arbitrarily, not only can affect view, also can grow mosquito and germ because of ponding, thus cause the severe contamination of environment.In addition, a large amount of junked tire stacked, or there is the hidden danger of fire disaster.How to reclaim and to fully utilize tire, both avoiding environmental pollution to reach, the object of resource regeneration can be made again, having become the problem that in industry, brainstrust is concerned about.At present, the process of junked tire is mainly used for civil engineering as raw material, or makes reclaimed rubber or other rubber item, or after cracking, extract valuable chemical products.
In the process that tire recycling is utilized, as made in the technique of reclaimed rubber, mainly contain steaming process, mechanical process, chemical method, Physical.During reclaimed rubber is produced, utilize waste old through the physical and chemical process such as pulverizing, heating, mechanical treatment, its elastic stage is become have plasticity and viscosity, can the rubber of revulcanization.The water/oil method that what current employing was more is in cooking process manufactures reclaimed rubber, and this method equipment is more, but mechanization degree is high, good quality of product and stable.But can pollution be brought in water/oil method production process, not only polluted air, also can produce a large amount of waste water.
Therefore, need improve for above-mentioned treatment process at present, design a kind for the treatment of process processing during junked tire reclaims the waste water of the process produced.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides during a kind of junked tire reclaims the method for wastewater treatment produced, the method is first to waste water water body neutralizing treatment, again through multiple-effect evaporation desalination, add defoamer process, then aeration, adopt microbial water-purifying agent and zymin to act on water body, to water body oxidation and absorption, flocculation filtration.The present invention in conjunction with microorganism and zymin acting in conjunction in water body, by the effect of bacterium and enzyme except the hazardous and noxious substances in anhydrating.
The present invention is realized by following technical scheme:
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 6.5-7.5 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add microbial water-purifying agent in the waste water in step (2), its add-on accounts for the 0.04-0.16% of waste water gross weight;
Microbiobacterial agent comprises nitrobacteria bacterium powder, Paracoccus denitrificans bacterium powder, Pseudomonas aeruginosa bacterium powder, Candida lipolytica bacterium bacterium powder, bacillus megaterium bacterium powder;
(4) add zymin in the waste water in step (3), its add-on accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Gac accounts for the 0.2-5% of waste water weight.
Preferably, above-mentioned microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8;
The parts by weight of zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6.
Preferably, microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, its add-on accounts for 0.08% of waste water gross weight.
Zymin parts by weight are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, its add-on accounts for 0.06% of waste water gross weight.
The method of wastewater treatment produced during junked tire reclaims comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add microbial water-purifying agent in the waste water in step (2), its weight accounts for the 0.05-0.18% of waste water gross weight
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8, and its weight accounts for the 0.05-0.2% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6, and its weight accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Gac accounts for the 1-5% of waste water weight.
Preferably, the method for wastewater treatment that junked tire produces in reclaiming comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer account for waste water water body heavy 0.03%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, and its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.4 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.085% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Preferably, the method for wastewater treatment that junked tire produces in reclaiming comprises following step:
(1) in waste water, acid neutralization is 6.8 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3 hours, defoamer account for waste water water body heavy 0.01%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5, Paracoccus denitrificans bacterium powder 0.4, Pseudomonas aeruginosa bacterium powder 0.2, Candida lipolytica bacterium bacterium powder 0.2, bacillus megaterium bacterium powder 0.2, and its weight accounts for 0.05% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.1, desaturase 0.2, phosphodiesterase 0.1, oxydo-reductase 0.1, zytase 0.1, and its weight accounts for 0.02% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.2 hour, then add gac, stir 0.5 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.05% of waste water cumulative volume; Gac accounts for 1% of waste water weight.
Preferably, the method for wastewater treatment that junked tire produces in reclaiming comprises following step:
(1) in waste water, acid neutralization is 7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 6 hours, defoamer account for waste water water body heavy 0.2%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 2.0, Paracoccus denitrificans bacterium powder 1.5, Pseudomonas aeruginosa bacterium powder 1.2, Candida lipolytica bacterium bacterium powder 0.8, bacillus megaterium bacterium powder 0.8, and its weight accounts for 0.2% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 1.2, desaturase 0.6, phosphodiesterase 0.8, oxydo-reductase 0.6, zytase 0.6, and its weight accounts for 0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 1 hour, then add gac, stir 2 hours with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.25% of waste water cumulative volume; Gac accounts for 5% of waste water weight.
Above-mentioned defoamer be polyethers, higher alcohols, silicone based in any one.
Preferably, the method for wastewater treatment that junked tire produces in reclaiming comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Flocculation water purification agent comprises: polymerize aluminum chloride 4-16, Polyscrylamide 4-16, ferrous sulfate 2-12, Tai-Ace S 150 3-16, and its weight accounts for the 0.05-0.2% of waste water gross weight;
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8, and its weight accounts for the 0.05-0.2% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6, and its weight accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Gac accounts for the 1-5% of waste water weight.
The waste water meta-alkalescence produced during junked tire reclaims, its pH value is high, is first neutralized with acid, reduces pH value, be conducive to various mushroom and zymin in subsequent disposal and act on water body; Some mushroom under high salt concn effectively can not play its effect, therefore, adopt multiple-effect evaporation desalting treatment, excellent environment can be provided for mushroom and zymin, can also Jiang Shui, salt, organism are effectively separated, vaporize water can as in the middle of production method Water circulation to production, not only decrease the discharge of waste water but also achieve the recycle of water, alleviate the pressure that Freshwater resources lack; Waste water can also reclaim a large amount of inorganic salt by evaporation process, produce inorganic salt can sell after refining purification, increase economic benefit, in addition can also the valuable organism of recovery part, factory effluent, by comprehensive utilization, can reduce processing costs.
The Physical that wastewater treatment is commonly used comprises filtration method, gravitational settling method and By Bubble-floating Method luggage, filtration method has the granular pellet layer in hole to retain impurities in water, mainly reduce the suspended substance in water, in the filtration treatment of wastewater from chemical industry, conventional flame filter press and microporous filter, microporous pipe is made up of polyethylene, pore size can regulate, exchange more convenient, gravitational settling method is the sedimentation function utilizing suspended particle in water, natural subsidence under the effect of gravity field, to reach a kind of process of solid-liquid separation; By Bubble-floating Method carries suspended particle and the method for taking the water surface out of by generating attached the wrapping up in of absorption micro-bubble, and these three kinds of physical method methods are simple, and convenient management, but the removal that can not be used for the soluble components of waste water, have significant limitation.
Microbial water-purifying agent, enzyme are acted on water body by the present invention respectively, better purifying water body.Inorganic water purification agent has the effect of the chlorine removed in suspended substance, oil removing, decolouring, removing heavy metals and water; Microorganism can remove the organic pollutant in water body further; Enzyme acts on water body, acts on mutually with the material being difficult to decompose in water body, reaches the object removing pollutent in water body thoroughly.
Beneficial effect of the present invention is, adopt method process waste water water body of the present invention, its purifying water effect is good, water purification speed is fast, security is high, the secondary pollution do not produced, and is raw material with the material with adsorptive power, be aided with microorganism to process sewage, use range is wide, and the water clarity after process is high, recoverable.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, so that those skilled in the art more understands the present invention, but does not therefore limit the present invention.
Embodiment 1
(1) in waste water, acid neutralization is about 7.0 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer account for waste water water body heavy 0.03%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, and its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.4 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.08% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Comparative example 1
Be with the difference of documents 1, do not add microbial water-purifying agent, doubled by the consumption of zymin, all the other are identical;
Comparative example 2
Be with the difference of documents 1, do not add zymin, doubled by the consumption of microbial water-purifying agent, all the other are identical;
Index Before process Embodiment 1 Comparative example 1 Comparative example 2
CODcr(mg/L) 490 65 162 154
NH 3-N(mg/L) 38 14 21 25
TP(mg/L) 3 0.55 1.6 1.35
SS(mg/L) 120 72 101 101
Petroleum-type (mg/L) 56 5.5 38 34
As can be seen from above contrast, combined by microbiobacterial agent with zymin, both act synergistically on water body, and the regulation effect of waste water is more satisfactory.
Embodiment 2
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 6.8 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3 hours, defoamer account for waste water water body heavy 0.01%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5, Paracoccus denitrificans bacterium powder 0.4, Pseudomonas aeruginosa bacterium powder 0.2, Candida lipolytica bacterium bacterium powder 0.2, bacillus megaterium bacterium powder 0.2, and its weight accounts for 0.05% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.1, desaturase 0.2, phosphodiesterase 0.1, oxydo-reductase 0.1, zytase 0.1, and its weight accounts for 0.02% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.2 hour, then add gac, stir 0.5 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.05% of waste water cumulative volume; Gac accounts for 1% of waste water weight.
Embodiment 3
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 6 hours, defoamer account for waste water water body heavy 0.2%;
(3) microbial water-purifying agent is added in the waste water in step (2);
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 2.0, Paracoccus denitrificans bacterium powder 1.5, Pseudomonas aeruginosa bacterium powder 1.2, Candida lipolytica bacterium bacterium powder 0.8, bacillus megaterium bacterium powder 0.8, and its weight accounts for 0.2% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 1.2, desaturase 0.6, phosphodiesterase 0.8, oxydo-reductase 0.6, zytase 0.6, and its weight accounts for 0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 1 hour, then add gac, stir 2 hours with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.25% of waste water cumulative volume; Gac accounts for 5% of waste water weight.
Embodiment 4
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is about 6.9 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 4 hours, defoamer account for waste water water body heavy 0.05%;
(3) add microbial water-purifying agent in the waste water in step (2), its weight accounts for 0.08% of waste water gross weight
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.8, Paracoccus denitrificans bacterium powder 0.8, Pseudomonas aeruginosa bacterium powder 0.5, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.4;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.5, desaturase 0.4, phosphodiesterase 0.4, oxydo-reductase 0.3, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.6 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.09% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Embodiment 5
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Flocculation water purification agent comprises: polymerize aluminum chloride 16, Polyscrylamide 12, ferrous sulfate 10, Tai-Ace S 150 12, and its weight accounts for 0.07% of waste water gross weight;
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, and its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.5 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.06% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Comparative example 3
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Flocculation water purification agent comprises: polymerize aluminum chloride 16, Polyscrylamide 12, ferrous sulfate 10, Tai-Ace S 150 12, and its weight accounts for 0.07% of waste water gross weight;
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, and its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.9, desaturase 0.5, phosphodiesterase 0.6, zytase 0.4, its weight account for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.5 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.06% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Comparative example 4
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 3-6 hour, defoamer accounts for the heavy 0.01-0.2% of waste water water body;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Flocculation water purification agent comprises: polymerize aluminum chloride 16, Polyscrylamide 12, ferrous sulfate 10, Tai-Ace S 150 12, and its weight accounts for 0.07% of waste water gross weight;
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.6, Paracoccus denitrificans bacterium powder 1.0, Pseudomonas aeruginosa bacterium powder 1.0, Candida lipolytica bacterium bacterium powder 0.7, its weight account for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.5 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.06% of waste water cumulative volume; Gac accounts for 2% of waste water weight.
Index Before process Embodiment 5 Comparative example 3 Comparative example 4
CODcr(mg/L) 490 62 122 124
NH 3-N(mg/L) 38 13 19 18
TP(mg/L) 3 0.5 1.5 1.05
SS(mg/L) 120 68 92 96
Petroleum-type (mg/L) 56 5.1 35 32
Embodiment 6
The method of wastewater treatment produced during junked tire reclaims, comprises following step:
(1) in waste water, acid neutralization is about 6.8 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in the waste water in step (1), then through aeration defoaming treatment 4 hours, defoamer account for waste water water body heavy 0.03%;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Flocculation water purification agent comprises: polymerize aluminum chloride 6, Polyscrylamide 7, ferrous sulfate 8, Tai-Ace S 150 4, and its weight accounts for 0.09% of waste water gross weight;
Microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.8, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.6, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.6, its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in the waste water in step (3); The parts by weight of zymin are: polygalacturonase 0.6, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.3, zytase 0.3, and its weight accounts for 0.08% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.5 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.08% of waste water cumulative volume; Gac accounts for 1% of waste water weight.

Claims (9)

1. the method for wastewater treatment produced in junked tire recovery, comprises following step:
(1) in waste water, acid neutralization is 6.5-7.5 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 3-6 hour, described defoamer accounts for the 0.01-0.2% of waste water water body weight;
(3) add microbial water-purifying agent in the waste water in step (2), its add-on accounts for the 0.05-0.2% of waste water gross weight;
Described microbial water-purifying agent comprises nitrobacteria bacterium powder, Paracoccus denitrificans bacterium powder, Pseudomonas aeruginosa bacterium powder, Candida lipolytica bacterium bacterium powder, bacillus megaterium bacterium powder;
(4) add zymin in waste water in step (3), its add-on accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, filter press; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Described gac accounts for the 0.2-5% of waste water weight.
2. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, is characterized in that,
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8;
The parts by weight of described zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6.
3. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1 or 2, is characterized in that,
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, its add-on accounts for 0.08% of waste water gross weight.
4. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1 or 2, is characterized in that,
Described zymin parts by weight are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, its add-on accounts for 0.06% of waste water gross weight.
5. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, it is characterized in that, described method comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 3-6 hour, described defoamer accounts for the 0.01-0.2% of waste water water body weight;
(3) microbial water-purifying agent is added in the waste water in step (2);
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8, and its weight accounts for the 0.05-0.2% of waste water gross weight;
(4) zymin is added in waste water in step (3); The parts by weight of described zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6, and its weight accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, the mud deposited in filter press settling tank; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Described gac accounts for the 1-5% of waste water weight.
6. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, its feature exists, and described method comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 3-6 hour, described defoamer accounts for 0.03% of waste water water body weight;
(3) microbial water-purifying agent is added in the waste water in step (2);
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 1.5, Paracoccus denitrificans bacterium powder 0.9, Pseudomonas aeruginosa bacterium powder 0.9, Candida lipolytica bacterium bacterium powder 0.5, bacillus megaterium bacterium powder 0.5, and its weight accounts for 0.08% of waste water gross weight;
(4) zymin is added in waste water in step (3); The parts by weight of described zymin are: polygalacturonase 0.8, desaturase 0.4, phosphodiesterase 0.5, oxydo-reductase 0.4, zytase 0.3, and its weight accounts for 0.06% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.4 hour, then add gac, stir 0.8 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, the mud deposited in filter press settling tank; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.085% of waste water cumulative volume; Described gac accounts for 2% of waste water weight.
7. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, it is characterized in that, described method comprises following step:
(1) in waste water, acid neutralization is 6.8 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 3 hours, described defoamer accounted for 0.01% of waste water water body weight;
(3) microbial water-purifying agent is added in the waste water in step (2);
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5, Paracoccus denitrificans bacterium powder 0.4, Pseudomonas aeruginosa bacterium powder 0.2, Candida lipolytica bacterium bacterium powder 0.2, bacillus megaterium bacterium powder 0.2, and its weight accounts for 0.05% of waste water gross weight;
(4) zymin is added in waste water in step (3); The parts by weight of described zymin are: polygalacturonase 0.1, desaturase 0.2, phosphodiesterase 0.1, oxydo-reductase 0.1, zytase 0.1, and its weight accounts for 0.02% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 0.2 hour, then add gac, stir 0.5 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, the mud deposited in filter press settling tank; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.05% of waste water cumulative volume; Described gac accounts for 1% of waste water weight.
8. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, it is characterized in that, described method comprises following step:
(1) in waste water, acid neutralization is 7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 6 hours, described defoamer accounted for 0.2% of waste water water body weight;
(3) microbial water-purifying agent is added in the waste water in step (2);
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 2.0, Paracoccus denitrificans bacterium powder 1.5, Pseudomonas aeruginosa bacterium powder 1.2, Candida lipolytica bacterium bacterium powder 0.8, bacillus megaterium bacterium powder 0.8, and its weight accounts for 0.2% of waste water gross weight;
(4) zymin is added in waste water in step (3); The parts by weight of described zymin are: polygalacturonase 1.2, desaturase 0.6, phosphodiesterase 0.8, oxydo-reductase 0.6, zytase 0.6, and its weight accounts for 0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation in the water body in step (4) 1 hour, then add gac, stir 2 hours with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, the mud deposited in filter press settling tank; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for 0.25% of waste water cumulative volume; Described gac accounts for 5% of waste water weight.
9. the method for wastewater treatment produced in junked tire recovery as claimed in claim 1, it is characterized in that, described method comprises following step:
(1) in waste water, acid neutralization is 6.8-7.2 to its pH, then carries out multiple-effect evaporation desalting treatment;
(2) add defoamer in waste water in step (1), then through aeration defoaming treatment 3-6 hour, described defoamer accounts for the 0.01-0.2% of waste water water body weight;
(3) add flocculation water purification agent in the waste water in step (2), then add microbial water-purifying agent;
Described flocculation water purification agent comprises: polymerize aluminum chloride 4-16, polyacrylamide 4-16, ferrous sulfate 2-12, Tai-Ace S 150 3-16, and its weight accounts for the 0.05-0.2% of waste water gross weight;
Described microbial water-purifying agent parts by weight are: nitrobacteria bacterium powder 0.5-2.0, Paracoccus denitrificans bacterium powder 0.4-1.5, Pseudomonas aeruginosa bacterium powder 0.2-1.2, Candida lipolytica bacterium bacterium powder 0.2-0.8, bacillus megaterium bacterium powder 0.2-0.8, and its weight accounts for the 0.05-0.2% of waste water gross weight;
(4) zymin is added in waste water in step (3); The parts by weight of described zymin are: polygalacturonase 0.1-1.2, desaturase 0.2-0.6, phosphodiesterase 0.1-0.8, oxydo-reductase 0.1-0.6, zytase 0.1-0.6, and its weight accounts for the 0.02-0.25% of waste water gross weight;
(5) add hydrogen peroxide oxidation 0.2-1 hour in the water body in step (4), then add gac, stir 0.5-2 hour with the rotating speed of 15r/min, get upper strata clear water, discharge bottom sediment, upper strata clear water is sent in settling tank, add flocculation agent, the mud deposited in filter press settling tank; Described hydrogen peroxide concentration is 23.5%, and its volume accounts for the 0.05-0.25% of waste water cumulative volume; Described gac accounts for the 1-5% of waste water weight.
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