CN102888365A - Acinetobacter lwoffii and biological bacteria liquid pulping method thereof - Google Patents
Acinetobacter lwoffii and biological bacteria liquid pulping method thereof Download PDFInfo
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- CN102888365A CN102888365A CN2012103421624A CN201210342162A CN102888365A CN 102888365 A CN102888365 A CN 102888365A CN 2012103421624 A CN2012103421624 A CN 2012103421624A CN 201210342162 A CN201210342162 A CN 201210342162A CN 102888365 A CN102888365 A CN 102888365A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
- 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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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention relates to acinetobacter lwoffii and a biological bacteria liquid pulping method of the acinetobacter lwoffii. The acinetobacter lwoffii is stored with a number of CGMCC No. 5973. The biological bacteria liquid pulping method mainly comprises the following steps of: preparing bacteria liquid; processing raw materials; and pulping, wherein pulping steps comprise the following steps of: degrading, biologically degrading, sterilizing through steam, carrying out rough pulping, carrying out fine pulping, screening a sizing agent, removing latency, and washing the sizing agent. A paperboard prepared by the biological bacteria liquid pulping method provided by the invention reaches a level over AA grade; waste liquid produced in a pulping process can be recycled or transformed into methane which can be served as an energy resource or organic fertilizer, and therefore, energy resources are saved, and environment protection is achieved.
Description
Technical field
The present invention relates to a kind of biological bacteria liquid pulping method, relate in particular to a kind of acinetobacter lwoffii and biological bacteria liquid pulping method thereof.
Background technology
Pulping technique is exactly with materials such as the stalk of plant, branch, trunks, removes wherein xylogen and the material such as pectin by degraded (or dissociating), obtains the process of fibrous matter.Fiber is the main component of papermaking.
In pulping process, isolate fiber, at first will be these non-fibrous material strippings, obtaining fiber is exactly the slurrying purpose.
According to the present situation of the present slurrying industry of China, mainly occupy an leading position the waste liquor contamination sublimity that produces during chemical pulp is produced, damage to land, polluted air in being applied to produce with chemical pulp; Add a large amount of sodium hydroxide (caustic soda) in slurrying, also use chemical harmful element in the bleaching process, producing waste liquid can't all recycle.And it is high to consume energy, and power consumption and water consumption are large; All using a large amount of electricity in whole production process, causing becomes the power consumption rich and influential family.The waste liquid blowdown flow rate is large; The waste liquid that can't recycle can only outwards discharge.Do not meet national energy-saving and reduce discharging policy.Material can not reach the Efficient Cycle recycling.Chemicals can't separate from waste liquid, and organism and chemicals mix, and organism also can't be reused, and causes a large amount of losses.
Therefore, be necessary to develop the bio-pulping technology, fundamentally solve the pollution difficult problem of pulping and papermaking industry.Although the bio-pulping of employing technology is also arranged in the prior art, but the biological bacteria that usually adopts is whiterot fungi or actinomycetes, although it makes moderate progress with respect to traditional chemical pulping technology, the defective that but the fiber fineness that still have long reaction time, makes is low, yield is low is difficult to be applied to actual production.Therefore, still need the further new biological bacteria of exploitation, improve bio-pulping process, overcoming defects, and realize simultaneously energy-saving and emission-reduction, water-saving reduces production costs and improves the rate of utilization of material.
Summary of the invention
The objective of the invention is to overcome the chemical pulping method of prior art and the defects of bio-pulping method, a kind of new slurrying biological bacteria is provided.The contriver has obtained to be suitable for the biological bacteria that can realize the foregoing invention purpose of bio-pulping by long screening operation.
Particularly, biological bacteria provided by the invention is a kind of acinetobacter lwoffii (Acinetobacter lwoffii), and its preserving number is CGMCC No.5973.
Described acinetobacter lwoffii can be used in the slurrying of biological bacteria liquid.
The present invention also provides a kind of biological bacteria liquid pulping method, and it mainly comprises step:
1) configuration of bacterium liquid: above-mentioned acinetobacter lwoffii is mixed with water, form bacterium liquid;
2) raw material is processed: woody raw material is removed the peel rear segment or section, or the draft raw material is cut into chunks, the raw material that cuts is put into the fermentation vat swollen;
3) slurrying, it comprises step:
Discongest: with raw material thread rolling and/or crowded stone roller of swollen;
Biological degradation: the raw material soaking after will discongesting is in the bacterium liquid that configures;
Wet sterilization: with the raw material after the above-mentioned biological degradation from bacterium liquid, pull out, draining, pass into water vapor sterilization;
The corase grind slurry: the raw material after will sterilizing carries out one section corase grind slurry, becomes fibrous bundle;
Fine grinding slurry: above-mentioned one section corase grind slurry is carried out two sections fine grinding slurries, make fibrous bundle disperse into single fiber;
Slurry screening: screening, filter through the fibrous bundle in the slurry behind one section corase grind slurry and the two sections fine grindings slurries, defibrination makes it make single fiber again;
Latent, pulp washing disappears: the above-mentioned paper pulp that makes is soaked in warm water, be used for cardboard processed.
The density of the bacterium liquid that forms wherein, step 1) be 6,000 ten thousand/more than the ml bacterium.
Wherein, step 2) in, the woody raw material length that cuts is 3-4cm, the draft raw material length that cuts is 4-5cm.The described swollen time is 10-12h.
Wherein, step 3) described biological degradation temperature remains on 35-40 ℃, time 34-36 hour.The mass ratio of the raw material after discongesting and bacterium liquid is 1:6-8.Described steam sterilizing is water at atmospheric pressure steam sterilizing 10-30 minute.
Further, the soak solution step 2) behind the immersion raw material is through flocculating, precipitate, supernatant liquor recycling, throw out input methane-generating pit fermentation generation biogas.
The advantage of biological bacteria liquid pulping method provided by the invention is: 1) free from environmental pollution: waste liquid directly changes into organic fertilizer, reaches zero release, and zero pollutes.2) bio-pulping can play a protective role to fiber, compares with traditional chemical process, and present method can all reclaim full fiber and half fiber, has therefore improved slurry yield.Reduce energy consumption 30% than traditional slurrying; Paper pulp yield improves 20-25%.3) bio-pulping is to carry out lignin degradation under normal pressure, energy-conservation, reduction of discharging, low-carbon (LC).4) production cost is low, and economic benefit is high.Adopt the cardboard of this biological bacteria liquid pulping method preparation to reach the above level of AA level.Byproduct of the present invention is transported to settling tank flocculation, precipitation, and supernatant liquor returns second stage employ, remakes presoak and uses.Contain gas chromatography and the nutrient for plants such as N, P, K such as abundant xylogen in the throw out, throw out mixes with old bacterium liquid (the raw material thickness bacterium liquid of repeatedly degrading also contains N, P, K, Fe and trace element) again, acidifying, then together enter in the marsh gas fermentation pool, produce biogas.With the Boiler Ash mixing granulation of natural pond slag, natural pond liquid and pulverizing, the granulation fertilizer dispatches from the factory at last, realizes zero release.
The biological bacteria of the present invention by providing above-mentioned contriver to obtain through long creation work, further perfect existing bio-pulping technology, this technology reduced the reaction times, improved the purity and the yield that make fiber, so that can be applied in actual production on a large scale.Applying biological bacterium of the present invention at short notice in the degrading plant body xylogen produce paper pulp, papermaking, the byproduct twice transformation becomes biogas, biogas coal supply, gas boiler for dual purpose combustion heating are saved coal consumption.At last, the natural pond slag is made organic fertilizer, has formed the economic circulation new model of " material organic transformation ", reaches the no waste discharging, namely zero release.Fundamentally solved the pollution difficult problem of pulping and papermaking industry.Energy-saving and emission-reduction, water-saving has reduced production cost, has improved the rate of utilization of material.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperation accompanying drawing are described in detail below.
Description of drawings
Fig. 1 is the schema according to the biological bacteria liquid pulping method of one embodiment of the invention;
Fig. 2 is the schema of biological bacteria liquid pulping method according to another embodiment of the present invention.
Embodiment
The configuration of embodiment 1 bacterium liquid
The biological bacteria that adopts among the present invention on April 6th, 2012 at the common micro-organisms center (CGMCC of China Committee for Culture Collection of Microorganisms, No. 3, Yard 1, BeiChen xi Road, Chaoyang District, Beijing City) preservation, it is CGMCC No.5973 number acinetobacter lwoffii (Acinetobacter lwoffi) for preserving number.
Above-mentioned biological bacteria is mixed with water, forms bacterium liquid, the density of the bacterium liquid of formation be 6,000 ten thousand/more than the ml bacterium, for subsequent use.
The biological bacteria liquid slurrying of embodiment 2 woody raw materials
Take caragana microphylla as raw material, specify the biological bacteria liquid pulping method when adopting woody raw material.All the other woody raw materials, for example the bio-pulping method of willow, eucalyptus can be carried out with reference to this technique.
Specifically please refer to Fig. 1, the flow process of biological bacteria liquid pulping method is divided into three phases: preparatory stage, slurrying workshop section and byproduct workshop section.
(1) preparatory stage: 1-4
1)-2): the caragana microphylla that harvesting is returned carries out the separation of skin bar.Adopt winnowing machine or other mechanical separation all can.After the skin bar separates, skin is inputted organic feed workshop processing feed, the bar after the decortication is inputted next program.
3) with bar segment on cutting machine, length is 3-4cm, and angle is for well, to increase infiltrating area.
4) the branch section input after will peeling soak in storehouse or the fermentation vat wash, cold soaking, at first with foreign material flush awaies such as raw material appearance earth, soak simultaneously, water temperature is natural temperature, the time with soak into, swollen is as the criterion 10-12h.After the liquid muddiness after repeatedly soaking, supernatant liquor can also reuse after flocculating, precipitating.Biogas is produced in the fermentation of throw out input methane-generating pit.
Above four steps can be that intermittent type also can be linkage type.
(2) slurrying workshop section: 5-12
5) discongest: with the branch section input thread-rolling machine of swollen or squeeze grind, kneading machine comes the innovation wood segment structure, makes it loose one-tenth wood wool shape, is conducive to the biological bacteria infiltration, brings into play its Degradation.
6) biological degradation: in the raw material input biological bacteria degraded storehouse or tank after will discongesting, be immersed in the bacterium liquid of embodiment 1 preparation, the mass ratio of the raw material after discongesting and bacterium liquid is 1:6, and temperature remains on 35-40 ℃, time 34-36 hour.The xylogen degradation reaction occurs under the condition of biological bacteria, brings into play its single-minded effect.
7) wet sterilization: after raw materials pretreatment is finished, with raw material from bacterium liquid, pull out, draining, be input in the steam storehouse, pass into water at atmospheric pressure steam 10-30 minute sterilization.Paste roller mill is inputted with raw material in the lower end.
8) corase grind slurry: carry out one section corase grind slurry in the raw material input high-density paste mill after will sterilizing, become coarse fiber bundle.
9) fine grinding slurry: enter again high-density paste mill from the coarse particles of above-mentioned output and carry out the fine grinding slurry, make fibrous bundle disperse into single fiber.
10) slurry screening: in the slurry behind two sections defibrinations, contain the minority fibrous bundle, need through screening, filter tow, defibrination has reached single fiber again.
11) latent, the pulp washing that disappears: the paper pulp behind corase grind slurry and fine grinding slurry, be subjected to mechanical friction, major part is bended, torsional deformation, soaks the fiber deflection that the elimination defibrination causes in warm water, makes it to unfold.
12) cardboard processed: with the fiber slurry of above-mentioned preparation input paper machine, cardboard processed after copying the technical process such as paper.
(3) byproduct stage: A-C
Isolated caragana microphylla skin contains abundant nutritive ingredient among the A, 3, and fermentation changes into ox, sheep feed.
After the liquid muddiness through repeatedly soaking, washing among the B, 4, through flocculation, precipitation, the supernatant liquor recycling, the fermentation of throw out input methane-generating pit produces biogas, passes into the coal gas boiler for dual purpose and does fuel, can play effect of energy.
C, biological organic fertilizer: natural pond slag, natural pond liquid after the methane-generating pit fermentation are the biological organic fertilizers that enriches, and liquid topdresses as farm crop and flower nutrient solution uses, and the solid granulation is made base manure and used, and all is green fertilizers.
Paper physical property index determining result please see following table 1 for details behind the defibrination.
Table 1
The biological bacteria liquid slurrying of embodiment 3 draft raw materials
Take wheat straw as raw material, specify the biological bacteria liquid pulping method when adopting the draft raw material.All the other draft raw materials, for example the bio-pulping method of wheat straw, straw, cornstalk can be carried out with reference to this technique.
Specifically please refer to Fig. 2, the flow process of biological bacteria liquid pulping method is divided into three phases: preparatory stage, slurrying workshop section and byproduct workshop section.
(1) preparatory stage: 1,4
Wheat straw is cut into the segment of 4-5cm, input soak in storehouse or the fermentation vat wash, cold soaking, at first with foreign material flush awaies such as raw material appearance earth, soak simultaneously, water temperature is natural temperature, the time with soak into, swollen is as the criterion 10-12h.After the liquid muddiness after repeatedly soaking, supernatant liquor can also reuse after flocculating, precipitating.Biogas is produced in the fermentation of throw out input methane-generating pit.
(2) slurrying workshop section: 5-12 and (three) byproduct stage: A-C are with embodiment 2, and wherein employed biological bacteria such as embodiment 1 do not repeat them here, and wherein during biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid is 1:8.
Paper physical property index determining result please see following table 2 for details behind the defibrination.
Table 2
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the present invention; when can doing a little change and improvement, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (10)
1. an acinetobacter lwoffii (Acinetobacter lwoffi), its preserving number is CGMCC No.5973.
2. the application of acinetobacter lwoffii claimed in claim 1 in the slurrying of biological bacteria liquid.
3. a biological bacteria liquid pulping method is characterized in that, comprises step:
1) configuration of bacterium liquid: acinetobacter lwoffii claimed in claim 1 is mixed with water, form bacterium liquid;
2) raw material is processed: will cut into slices after the woody raw material peeling, or the draft raw material is cut into chunks, the raw material that cuts is put into the fermentation vat swollen;
3) slurrying, it comprises step:
Discongest: with raw material thread rolling and/or crowded stone roller of swollen;
Biological degradation: the raw material soaking after will discongesting is in the bacterium liquid that configures;
Wet sterilization: with the raw material after the above-mentioned biological degradation from bacterium liquid, pull out, draining, pass into water vapor sterilization;
The corase grind slurry: the raw material after will sterilizing carries out one section corase grind slurry, becomes fibrous bundle;
Fine grinding slurry: above-mentioned one section corase grind slurry is carried out two sections fine grinding slurries, make fibrous bundle disperse into single fiber;
Slurry screening: screening, filter through the fibrous bundle in the slurry behind one section corase grind slurry and the two sections fine grindings slurries, defibrination makes it make single fiber again;
Latent, pulp washing disappears: the above-mentioned paper pulp that makes is soaked in warm water, be used for cardboard processed.
4. biological bacteria liquid pulping method according to claim 3 is characterized in that step 1) in the density of the bacterium liquid that forms be 6,000 ten thousand/more than the ml bacterium.
5. biological bacteria liquid pulping method according to claim 3 is characterized in that step 2) in, the woody raw material length that cuts is 3-4cm, the draft raw material length that cuts is 4-5cm.
6. according to claim 3 or 5 described biological bacteria liquid pulping methods, it is characterized in that step 2) the described swollen time is 10-12h.
7. biological bacteria liquid pulping method according to claim 3 is characterized in that step 3) described biological degradation temperature remains on 35-40 ℃, time 34-36 hour.
8. biological bacteria liquid pulping method according to claim 3 is characterized in that step 3) in the described biological degradation, the mass ratio of the raw material after discongesting and bacterium liquid is 1:6-8.
9. biological bacteria liquid pulping method according to claim 3 is characterized in that step 3) described steam sterilizing is water at atmospheric pressure steam sterilizing 10-30 minute.
10. biological bacteria liquid pulping method according to claim 3 is characterized in that step 2) in soak soak solution behind the raw material through flocculation, precipitation, the supernatant liquor recycling, the fermentation of throw out input methane-generating pit produces biogas.
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| CN201210342162.4A CN102888365B (en) | 2012-09-17 | 2012-09-17 | A kind of acinetobacter lwoffii and biological bacteria liquid pulping method thereof |
| PCT/CN2013/001078 WO2014040377A1 (en) | 2012-09-17 | 2013-09-16 | Acinetobacter lwoffii and uses thereof |
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| WO2014040377A1 (en) * | 2012-09-17 | 2014-03-20 | 北京天安生物科技有限公司 | Acinetobacter lwoffii and uses thereof |
| CN104312965A (en) * | 2014-10-30 | 2015-01-28 | 临沂大学 | Decoloration bacterium and application thereof |
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