CN107244781A - A kind of processing method of paper waste - Google Patents

A kind of processing method of paper waste Download PDF

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Publication number
CN107244781A
CN107244781A CN201710499428.9A CN201710499428A CN107244781A CN 107244781 A CN107244781 A CN 107244781A CN 201710499428 A CN201710499428 A CN 201710499428A CN 107244781 A CN107244781 A CN 107244781A
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waste
paper waste
paper
processing method
particle mud
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许亦南
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ANHUI BILUN LIVING PAPER Co Ltd
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ANHUI BILUN LIVING PAPER 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
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/10—Energy recovery
    • 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
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Wood Science & Technology (AREA)
  • Biotechnology (AREA)
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  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
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  • Paper (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The present invention relates to paper industry technical field, a kind of processing method of paper waste is disclosed, is comprised the following steps：（1）Cultivate microbial cells：Using the degradation characteristic of microbial bacteria, advantage thalline is built, treatment characteristic of the free state flora for waste water is effectively utilized；（2）Strengthen aerobic particle mud：Strengthen aerobic particle mud using the advantage thalline of structure, optimization granule sludge to the disposal ability of paper waste, can many chlorine organics and harmful inorganic compound in chloro-bleaching effluents effectively in Degradation and Transformation paper pulp, reduce COD and BOD values in waste water；（3）Biogas is prepared using discarded object：Further to papermaking waste material carry out biological treatment, by the waste product of processing according to a certain percentage and condition carry out biogas manufacture, realize the very big utilization of recycling.

Description

A kind of processing method of paper waste
Technical field
The invention belongs to paper industry technical field, and in particular to a kind of processing method of paper waste.
Background technology
Paper industry energy consumption, material consumption are high, and environmental pollution is also very serious, and SS, COD concentration wherein in waste water are higher, right Environment and human health bring significant damage.Paper-making industrial waste water is that a kind of water is big, colourity is high, suspension content is big, organic Thing concentration is high, the difficult organic wastewater of complicated components.Paper waste mainly has 3 sources：Pulping waste liquor, middle section water, paper machine Plain boiled water：Slurrying is that the fiber separation in plant material is come out, and slurry is made, then through bleaching；Copy paper be pulp dilution, into Type, squeezing, drying, are made paper.This 2 techniques all discharge a large amount of waste water.The waste water that slurrying is produced, pollutes the most serious.Wash It is in dark brown that waste water is discharged during slurry, referred to as Heisui River, and pollutant concentration is very high in Heisui River, contains a large amount of fibers, inorganic salts and pigment. At most, polluter has the lignin, cellulose and resin acid of higher concentration to the middle section water water produced during detergent bleach Salt etc. is compared with the composition of difficult for biological degradation, and colourity is deep.The waste water of paper machine discharge, referred to as plain boiled water, wherein containing a large amount of fibers and The filler and sizing material added in process of production.
The existing method of wastewater treatment for papermaking, cost is high, and poisonous and harmful substance residual quantity is big, and recovery utilization rate It is not high.
The content of the invention
The purpose of the present invention is, there is provided a kind of processing method of paper waste, to utilize microorganism the problem of being directed to existing Edman degradation Edman, decomposition is carried out by paper waste, and poisonous and harmful and coloring matter is carried out into sorption enhanced, and dead meal can also be answered Production for fermentation methane.
The present invention is achieved by the following technical solutions：
A kind of processing method of paper waste, comprises the following steps：
（1）Cultivate microbial cells
Mixed bacteria is inoculated on the culture medium prepared, concussion and cultivate 30-36 hours at 28-32 DEG C, at 20-25 DEG C Quiescent culture 20-24 hours, nutrient solution is poured into centrifuge tube, is centrifuged 8-10 minutes under 4500-5000 revs/min, is removed Supernatant, residue is rinsed 2-3 times using PBS, and collection obtains microbial cells and saved backup at 5-8 DEG C, should Content shared by each composition of culture medium is：Beef extract 1.5-2.0g/L, glucose 1.0-1.5g/L, tryptone 4.5-5.5g/L, Dusty yeast 4.0-5.0g/L, sodium chloride 0.5-1.0g/L, surplus is universal support；
（2）Strengthen aerobic particle mud
Obtained microbial cells will be cultivated according to 1：1000 volume ratio, which is put into the glucose solution that concentration is 5-7g/L, divides Dissipate, be laid on aerobic particle mud, it is lower rotating and culturing 20-24 hours at 100-150 revs/min under the conditions of 25-30 DEG C, will It is 6.8-7.0 that paper waste is adjusted to pH value using acid-base modifier, by the aerobic particle mud of obtained absorption microbial bacteria Put into paper waste, it is fast under 0.10-0.15mg/L, normal temperature to add polymeric aluminum chlorides solution to its concentration in waste water Speed stirring 3-5 minutes, then mix slowly 15-20 minutes, after standing 1-2 hours, it is filtered to remove sediment and flocculate；
（3）Biogas is prepared using discarded object
Obtained sediment and flocculate are ground to form into particle size for 2-4 millimeters, is added in fermentation vat, contains in fermentation vat Volume fraction is 60-70% biogas slurry, then adds the pig manure that percentage by weight is 10-15%, after being sufficiently stirred for, sealing, in 30-35 Fermentation carries out anaerobic fermentation at DEG C, prepares biogas.
It is used as further improvement of these options, step（1）Described in mixed bacteria according to volume percentage by with Lower composition composition：Agrobacterium, which accounts for 20-30%, rod bacterium and accounts for 15-25%, Gordonia bronchialis, accounts for 15-20%, remaining as Pseudomonas putida Bacterium.
It is used as further improvement of these options, step（1）Middle culture medium main body is inorganic salts ingredients, in 120-125 Sterilize 10-15 minutes and be made at DEG C.
It is used as further improvement of these options, step（2）Middle microbial cells glucose culture solution and aerobic grain The proportioning of sludge is 1：The dispensing ratio of 10000-12000, aerobic particle mud and waste water is 1：4000-5000, quick stirring Speed is 300-350 revs/min, mixes slowly speed for 150-200 revs/min.
The present invention has advantages below compared with prior art：In order to solve the existing method of wastewater treatment for papermaking, into This height, poisonous and harmful substance residual quantity is big, and recovery utilization rate it is not high the problem of, the invention provides a kind of paper waste Processing method, comprises the following steps：（1）Cultivate microbial cells：Using the degradation characteristic of microbial bacteria, advantage thalline is built, Effectively utilize treatment characteristic of the free state flora for waste water；（2）Strengthen aerobic particle mud：It is strong using the advantage thalline of structure Change aerobic particle mud, optimization granule sludge, being capable of chloride drift effectively in Degradation and Transformation paper pulp to the disposal ability of paper waste COD and BOD values in many chlorine organics and harmful inorganic compound in white waste water, reduction waste water；（3）Prepared using discarded object Biogas：Further to papermaking waste material carry out biological treatment, by the waste product of processing according to a certain percentage and condition carry out biogas Manufacture, realize the very big utilization of recycling.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment 1
A kind of processing method of paper waste, comprises the following steps：
（1）Cultivate microbial cells
Mixed bacteria is inoculated on the culture medium prepared, concussion and cultivate 30 hours at 28 DEG C, the quiescent culture at 20 DEG C 20 hours, nutrient solution is poured into centrifuge tube, centrifuged 8 minutes under 4500 revs/min, removed supernatant, residue is used PBS is rinsed 2 times, and collection obtains microbial cells and saved backup at 5 DEG C, and content shared by each composition of the culture medium is： Beef extract 1.5g/L, glucose 1.0g/L, tryptone 4.5g/L, dusty yeast 4.0g/L, sodium chloride 0.5g/L, surplus are general Carrier；
（2）Strengthen aerobic particle mud
Obtained microbial cells will be cultivated according to 1：1000 volume ratio, which is put into the glucose solution that concentration is 5g/L, disperses, It is laid on the aerobic particle mud of over dry, under the conditions of 25 DEG C, in 100 revs/min of lower rotating and culturings 20 hours, by paper waste It is 6.8 to be adjusted using acid-base modifier to pH value, and the aerobic particle mud of obtained absorption microbial bacteria is put into papermaking and given up In water, it is quick stirring 3 minutes under 0.10mg/L, normal temperature to add polymeric aluminum chlorides solution to its concentration in waste water, then slowly Speed stirring 15 minutes, after standing 1 hour, is filtered to remove sediment and flocculate；
（3）Biogas is prepared using discarded object
Obtained sediment and flocculate are ground to form into particle size for 2-4 millimeters, is added in fermentation vat, contains in fermentation vat Volume fraction is 60% biogas slurry, then adds the pig manure that percentage by weight is 10%, after being sufficiently stirred for, and sealing is fermented at 30 DEG C Anaerobic fermentation is carried out, biogas is prepared.
It is used as further improvement of these options, step（1）Described in mixed bacteria according to volume percentage by with Lower composition composition：Agrobacterium, which accounts for 20%, rod bacterium and accounts for 15%, Gordonia bronchialis, accounts for 15%, remaining as pseudomonas putida.
It is used as further improvement of these options, step（1）Middle culture medium main body is inorganic salts ingredients, at 120 DEG C Sterilizing is made for 10 minutes.
It is used as further improvement of these options, step（2）Middle microbial cells glucose culture solution and aerobic grain The proportioning of sludge is 1：10000, the dispensing ratio of aerobic particle mud and waste water is 1：4000, quick mixing speed be 300 turns/ Minute, speed is mixed slowly for 150 revs/min.
Embodiment 2
A kind of processing method of paper waste, comprises the following steps：
（1）Cultivate microbial cells
Mixed bacteria is inoculated on the culture medium prepared, concussion and cultivate 33 hours at 30 DEG C, the quiescent culture at 23 DEG C 22 hours, nutrient solution is poured into centrifuge tube, centrifuged 9 minutes under 4800 revs/min, removed supernatant, residue is used PBS is rinsed 2 times, and collection obtains microbial cells and saved backup at 6 DEG C, and content shared by each composition of the culture medium is： Beef extract 1.7g/L, glucose 1.2g/L, tryptone 5.0g/L, dusty yeast 4.5g/L, sodium chloride 0.7g/L, surplus are general Carrier；
（2）Strengthen aerobic particle mud
Obtained microbial cells will be cultivated according to 1：1000 volume ratio, which is put into the glucose solution that concentration is 6g/L, disperses, It is laid on the aerobic particle mud of over dry, under the conditions of 27 DEG C, in 120 revs/min of lower rotating and culturings 22 hours, by paper waste It is 6.9 to be adjusted using acid-base modifier to pH value, and the aerobic particle mud of obtained absorption microbial bacteria is put into papermaking and given up In water, it is quick stirring 4 minutes under 0.13mg/L, normal temperature to add polymeric aluminum chlorides solution to its concentration in waste water, then slowly Speed stirring 17 minutes, after standing 1.5 hours, is filtered to remove sediment and flocculate；
（3）Biogas is prepared using discarded object
Obtained sediment and flocculate are ground to form into particle size for 2-4 millimeters, is added in fermentation vat, contains in fermentation vat Volume fraction is 65% biogas slurry, then adds the pig manure that percentage by weight is 12%, after being sufficiently stirred for, and sealing is fermented at 32 DEG C Anaerobic fermentation is carried out, biogas is prepared.
It is used as further improvement of these options, step（1）Described in mixed bacteria according to volume percentage by with Lower composition composition：Agrobacterium, which accounts for 25%, rod bacterium and accounts for 20%, Gordonia bronchialis, accounts for 17%, remaining as pseudomonas putida.
It is used as further improvement of these options, step（1）Middle culture medium main body is inorganic salts ingredients, at 123 DEG C Sterilizing is made for 13 minutes.
It is used as further improvement of these options, step（2）Middle microbial cells glucose culture solution and aerobic grain The proportioning of sludge is 1：11000, the dispensing ratio of aerobic particle mud and waste water is 1：4500, quick mixing speed be 320 turns/ Minute, speed is mixed slowly for 170 revs/min.
Embodiment 3
A kind of processing method of paper waste, comprises the following steps：
（1）Cultivate microbial cells
Mixed bacteria is inoculated on the culture medium prepared, concussion training 36 hours, the quiescent culture 24 at 25 DEG C at 32 DEG C Hour, nutrient solution is poured into centrifuge tube, centrifuged 10 minutes under 5000 revs/min, supernatant is removed, residue is used PBS is rinsed 3 times, and collection obtains microbial cells and saved backup at 8 DEG C, and content shared by each composition of the culture medium is： Beef extract 2.0g/L, glucose 1.5g/L, tryptone 5.5g/L, dusty yeast 5.0g/L, sodium chloride 1.0g/L, surplus are general Carrier；
（2）Strengthen aerobic particle mud
Obtained microbial cells will be cultivated according to 1：1000 volume ratio, which is put into the glucose solution that concentration is 7g/L, disperses, It is laid on the aerobic particle mud of over dry, under the conditions of 30 DEG C, in 150 revs/min of lower rotating and culturings 24 hours, by paper waste It is 7.0 to be adjusted using acid-base modifier to pH value, and the aerobic particle mud of obtained absorption microbial bacteria is put into papermaking and given up In water, it is quick stirring 5 minutes under 0.15mg/L, normal temperature to add polymeric aluminum chlorides solution to its concentration in waste water, then slowly Speed stirring 20 minutes, after standing 2 hours, is filtered to remove sediment and flocculate；
（3）Biogas is prepared using discarded object
Obtained sediment and flocculate are ground to form into particle size for 2-4 millimeters, is added in fermentation vat, contains in fermentation vat Volume fraction is 70% biogas slurry, then adds the pig manure that percentage by weight is 15%, after being sufficiently stirred for, and sealing is fermented at 35 DEG C Anaerobic fermentation is carried out, biogas is prepared.
It is used as further improvement of these options, step（1）Described in mixed bacteria according to volume percentage by with Lower composition composition：Agrobacterium, which accounts for 30%, rod bacterium and accounts for 25%, Gordonia bronchialis, accounts for 20%, remaining as pseudomonas putida.
It is used as further improvement of these options, step（1）Middle culture medium main body is inorganic salts ingredients, at 125 DEG C Sterilizing is made for 15 minutes.
It is used as further improvement of these options, step（2）Middle microbial cells glucose culture solution and aerobic grain The proportioning of sludge is 1：12000, the dispensing ratio of aerobic particle mud and waste water is 1：5000, quick mixing speed be 350 turns/ Minute, speed is mixed slowly for 200 revs/min.
Contrast test
The waste water discharged respectively using embodiment 1-3 method processing paper mill, while in existing pulping wastewater treatment method Compareed, handle with a collection of waste water, COD, BOD value of waste water are recorded before and after the processing, is compared, processing is obtained Comprehensive result record as shown in the table：
Project COD clearances（%） BOD clearances（%） Chroma in waste water reduced rate（%） Processing cost reduced rate（%）
Embodiment 1 94.6 89.5 96.9 41.5
Embodiment 2 95.8 90.2 96.5 42.6
Embodiment 3 94.9 89.8 96.7 41.9
Control group 56.2 48.9 60.8 Control
From contrast test：The present invention utilizes microbial degradation method, and paper waste is carried out into decomposition, by it is poisonous and harmful with And coloring matter carries out sorption enhanced, dead meal also can apply to the production of fermentation methane, realize environmental protection and energy saving and resource The very big utilization changed.

Claims (4)

1. a kind of processing method of paper waste, it is characterised in that comprise the following steps：
（1）Cultivate microbial cells
Mixed bacteria is inoculated on the culture medium prepared, concussion and cultivate 30-36 hours at 28-32 DEG C, at 20-25 DEG C Quiescent culture 20-24 hours, nutrient solution is poured into centrifuge tube, is centrifuged 8-10 minutes under 4500-5000 revs/min, is removed Supernatant, residue is rinsed 2-3 times using PBS, and collection obtains microbial cells and saved backup at 5-8 DEG C, should Content shared by each composition of culture medium is：Beef extract 1.5-2.0g/L, glucose 1.0-1.5g/L, tryptone 4.5-5.5g/L, Dusty yeast 4.0-5.0g/L, sodium chloride 0.5-1.0g/L, surplus is universal support；
（2）Strengthen aerobic particle mud
Obtained microbial cells will be cultivated according to 1：1000 volume ratio, which is put into the glucose solution that concentration is 5-7g/L, divides Dissipate, be laid on the aerobic particle mud of over dry, it is small in 100-150 revs/min of lower rotating and culturing 20-24 under the conditions of 25-30 DEG C When, it is 6.8-7.0 that paper waste is adjusted to pH value using acid-base modifier, by the aerobic grain of obtained absorption microbial bacteria Sludge is put into paper waste, and it is 0.10-0.15mg/L, normal temperature to add polymeric aluminum chlorides solution to its concentration in waste water Lower quick stirring 3-5 minutes, then mix slowly 15-20 minutes, after standing 1-2 hours, it is filtered to remove sediment and flocculate；
（3）Biogas is prepared using discarded object
Obtained sediment and flocculate are ground to form into particle size for 2-4 millimeters, is added in fermentation vat, contains in fermentation vat Volume fraction is 60-70% biogas slurry, then adds the pig manure that percentage by weight is 10-15%, after being sufficiently stirred for, sealing, in 30-35 Fermentation carries out anaerobic fermentation at DEG C, prepares biogas.
2. a kind of processing method of paper waste as claimed in claim 1, it is characterised in that step（1）Described in mixed bacteria Consisted of the following composition according to volume percentage：Agrobacterium, which accounts for 20-30%, rod bacterium and accounts for 15-25%, Gordonia bronchialis, accounts for 15- 20%th, remaining as pseudomonas putida.
3. a kind of processing method of paper waste as claimed in claim 1, it is characterised in that step（1）Middle culture medium main body is Inorganic salts ingredients, sterilize 10-15 minutes at 120-125 DEG C and are made.
4. a kind of processing method of paper waste as claimed in claim 1, it is characterised in that step（2）Middle microbial cells Portugal The proportioning of grape sugar nutrient solution and aerobic particle mud is 1：The dispensing ratio of 10000-12000, aerobic particle mud and waste water is 1：4000-5000, quick mixing speed is 300-350 revs/min, mixes slowly speed for 150-200 revs/min.
CN201710499428.9A 2017-06-27 2017-06-27 A kind of processing method of paper waste Pending CN107244781A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110628862A (en) * 2019-09-24 2019-12-31 哈尔滨工业大学 Self-aggregation granular sludge construction method for wastewater gradient energy recovery
CN111302562A (en) * 2019-12-05 2020-06-19 柏威达(南京)环境科技有限公司 Method for treating industrial wastewater generated by papermaking
CN112094773A (en) * 2020-09-18 2020-12-18 山东大学 Strain for treating ternary combination flooding produced water, multifunctional microbial agent, culture method and application thereof
CN114950268A (en) * 2022-04-08 2022-08-30 重庆大学 Papermaking wastewater recycling process and device

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CN102390889A (en) * 2011-09-26 2012-03-28 华南理工大学 Method for treating pulping and papermaking wastewater by using dominant degradation bacteria
FR2989078A1 (en) * 2012-04-04 2013-10-11 Ondeo Ind Solutions Treating industrial or urban effluents, by subjecting effluents to first aerobic activated sludge treatment followed by second treatment with membrane filtration, where first treatment is treatment in mixed cultures with bacteria supports

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