WO2014040389A1

WO2014040389A1 - Complex microbial flora and application thereof

Info

Publication number: WO2014040389A1
Application number: PCT/CN2013/001090
Authority: WO
Inventors: 贾平
Original assignee: 北京天安生物科技有限公司
Priority date: 2012-09-17
Filing date: 2013-09-16
Publication date: 2014-03-20

Abstract

A complex microbial flora, an application of same and an application method therefor in preparing a textile fiber, a cellulose for use as an additive, and a biological bacterial solution pulp. The complex microbial flora comprises Bacillus sp. of deposit number CGMCC No. 5971, Rheinheimera tangshanensis of deposit number CGMCC No. 5972, and Pseudomonas fluorescens of deposit number CGMCC No. 5974. The method comprises the following steps: formulation of a bacterial solution, processing of raw materials, and preparation or pulping of the fiber. The method does not pollute the environment, and the wastewater is transformed directly into an organic fertilizer. A biological treatment process plays a protective role for the fiber, and, compared with a conventional chemical method, reduces production costs and increases economic benefits.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite flora and its use in the preparation of textile fibers, cellulose for additives, and pulping of biological bacteria. Background technology

Book

In recent years, with the depletion of petrochemical resources, hemp fiber has been favored by consumers because of its ecological and environmental protection characteristics. Its demand is increasing year by year, and the global natural fiber growth rate is 8% per year. The main characteristics of hemp fiber raw materials are high fiber content, slender fiber is conducive to interweaving, and good strength; small cell cavity, thick cell wall, and large wall-to-cavity ratio; due to the fine cell and fine fiber of hemp fiber, the opacity is high. However, the disadvantage is that the fibers are not easily separated into filaments, resulting in a fabric having a low gas permeability.

In the prior art, the fiber is prepared from the hemp raw material, and the waste liquid generated by the chemical method and the chemical method is polluted, destroys the land, pollutes the air, and has high energy consumption, power consumption and large water consumption. According to the current status of China's current pulping industry, it is mainly used in the production of chemical pulp. The waste liquid generated in chemical pulp production pollutes the environment, destroys the land and pollutes the air. Adds a large amount of sodium hydroxide (caustic soda) in the pulping. ), chemical harmful elements are also used in the bleaching process, and the waste liquid cannot be completely recycled. Moreover, it consumes a lot of energy, consumes a lot of electricity and consumes a large amount of electricity; it uses a large amount of electricity throughout the production process, resulting in a large power consumer. Waste liquid discharge is large; waste that cannot be reused can only be discharged to the outside. Does not comply with national energy conservation and emission reduction policies. Substances cannot be effectively recycled. Chemical preparations cannot be separated from waste liquids, organic substances are mixed with chemical preparations, and organic substances cannot be reused, resulting in a large loss.

Therefore, it is necessary to develop bio-fiber technology to fundamentally solve the above-mentioned pollution problems, save energy and reduce emissions, save water, reduce production costs and increase the use rate of materials. SUMMARY OF THE INVENTION It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art chemical fiber making and to provide a novel biological fungus for the preparation of fibers. The inventors obtained a biological bacterium suitable for the production of fibers capable of achieving the above object of the invention by a long-term screening work. Specifically, the present invention provides a composite flora comprising a spore rod of the accession number CGMCC No. 5971 Bacillus sp., Rheinheimera tangshanemis, deposited by CGMCC No. 5972, Pseudomonas fluorescens, deposited under CGMCC No. 5974

The composite flora can be used for preparing textile fibers, cellulose for additives, and biological bacterial liquid pulping.

The invention also provides a method for preparing textile fibers, which mainly comprises the steps of:

1) Disposition of the bacterial solution: The above-mentioned composite bacterial group is configured as a mixed bacterial aqueous solution according to the following mass ratio, that is, the bacterial liquid:

Bacillus: R. jejuni: Pseudomonas fluorescens 2-3: 1-2: 1-2;

2) Raw material processing: cutting the hemp raw material into segments, and swelling the raw materials into the soaking pool; preferably, the hemp raw materials are flax, ramie, yellow kenaf or sisal;

3) Preparation of fibers, which comprises the steps of:

Biodegradation: Soak the raw material after dissolving into the configured bacterial liquid;

Steam sterilization: the biodegradable raw materials are removed from the bacterial liquid, drained, and steamed; the fiber is obtained: the sterilized raw material is subjected to coarse grinding to form a fiber bundle; Two-stage fine grinding to disperse the fiber bundle into a single fiber; screening and filtering the fiber bundle in the slurry after a rough grinding and two fine grinding, and re-pulping to make a single fiber;

Drying, carding: The fibers obtained above are soaked in warm water, then dried and carded for the preparation of textile fibers.

The invention also provides a method for preparing cellulose for additives, which mainly comprises the steps of:

Bacillus: R. jejuni: Pseudomonas fluorescens 2-3: 1-2: 1-2;

2) Raw material processing: After peeling the woody raw materials, or cutting the herbal raw materials into segments, the cut raw materials are placed in the soaking pool to swell;

3) Preparation of fibers, which comprises the steps of:

Disintegration: squeezing the swollen raw material and/or squeezing;

Steam sterilization: the biodegradable raw materials are removed from the bacterial liquid, drained, and steamed; the fiber is obtained: the sterilized raw material is subjected to coarse grinding to form a fiber bundle; Two-stage fine grinding to disperse the fiber bundle into a single fiber; screening and filtering the fiber bundle in the slurry after a rough grinding and two fine grinding, and re-pulping to make a single fiber; Sterilization: Soak the fiber prepared above in warm water, then dry and sterilize;

Grinding: The sterilized fibers are ground into cellulose as an additive.

The invention also provides a biological bacterial liquid pulping method, which mainly comprises the steps of:

Bacillus: R. jejuni: Pseudomonas fluorescens 2-3: 1-2: 1-2;

2) Raw material processing: After peeling or cutting the woody raw materials, or cutting the herbal raw materials into sections, the cut raw materials are put into the soaking pool to swell;

3) Pulping, which includes the steps:

Disintegration: squeezing the swollen raw material and/or squeezing;

Steam sterilization: the above biodegraded raw materials are taken out from the bacterial liquid, drained, and steam sterilized; coarsely refining: the sterilized raw material is subjected to a rough refining to become a fiber bundle;

Fine refining: The above-mentioned one-stage coarse refining is subjected to two-stage fine refining to disperse the fiber bundle into a single fiber; slurry screening: screening, filtering through a slurry after a coarse refining and two-stage fine refining The fiber bundle is repulped and made into a single fiber;

Submersible, washing: The pulp obtained above is soaked in warm water and used for making cardboard.

In the above method, the density of the bacterial liquid formed in the step 1) is 60 million / ml or more.

In step 2), the swelling time is 10-12h.

Step 3) The biodegradation temperature is maintained at 35-40 ° C for 32-36 hours. The mass ratio of the raw material to the bacterial liquid after the disintegration is 1: 6-9. The steam sterilization is autoclaved for 10-30 minutes.

Further, in step 2), the soaking liquid after soaking the raw material is flocculated and precipitated, and the supernatant is recovered and reused, and the precipitate is input into the biogas tank to be fermented to generate biogas.

The biological method provided by the invention has the advantages of: 1) no pollution to the environment: the waste liquid is directly converted into an organic fertilizer, achieving zero discharge and zero pollution. 2) The biological method protects the fiber. Compared with the conventional chemical method, the method can recover both the whole fiber and the half fiber, thereby increasing the yield. 3) Biological methods are degraded under normal pressure, energy saving, emission reduction, and low carbon. 4) Low production cost and high economic efficiency.

The by-product of the present invention is transported to a sedimentation tank for flocculation and sedimentation, and the supernatant liquid is returned to secondary use, and then used as a pre-dip liquid. The floc is rich in a variety of organic matter and phytonutrients such as N, P, K, and the floc is mixed with the old bacteria liquid (multiple degradation of the raw material viscous liquid, also containing N, P, K, Fe and trace elements). , acidified, and then discharged into the biogas fermentation tank to produce biogas. The biogas residue, the biogas slurry and the pulverized boiler ash are mixed and granulated to form a granular organic fertilizer, and finally discharged to the factory to achieve zero discharge. The present invention further improves the existing techniques for preparing cellulose and biopulping by providing the above-mentioned biological bacteria obtained by the inventor after a long period of creative labor, which reduces the reaction time and improves the purity and yield of the obtained fiber. This enables the technology to be widely applied in actual production. The application of the biological bacteria degrades the plant to obtain the fiber in a short time, and the biological bacteria degrade the lignin in the plant body to produce pulp and paper in a short time, and the by-product is converted into biogas twice, and the biogas is supplied to the coal and gas boiler for combustion and heating. Save coal consumption. Finally, the biogas residue is made into organic fertilizer, which forms a new economic cycle of “substance organic transformation”, which achieves no waste discharge, that is, zero emissions. The problem of pollution of chemically prepared fibers in the prior art is fundamentally solved. Energy saving and emission reduction, saving water, reducing production costs and increasing the use rate of materials.

The above and other objects, features and advantages of the present invention will become more <RTIgt; BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow diagram of the preparation of textile fibers in accordance with an embodiment of the present invention;

2 is a flow chart of preparing cellulose for an additive according to an embodiment of the present invention;

3 is a flow chart of preparing cellulose for an additive according to another embodiment of the present invention;

4 is a flow chart of a biological bacterial liquid pulping method according to an embodiment of the present invention;

Figure 5 is a flow chart of a biological bacterial liquid pulping process in accordance with another embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION Example 1 Configuration of Bacterial Solution The biological bacteria used in the present invention were on April 6, 2012 at the General Microbiology Center of the China Microbial Culture Collection Management Committee (CGMCC, No. 1 Courtyard, Beichen West Road, Chaoyang District, Beijing, China) No.) preserved, including Bacillus sp. Bacillus sp. with the accession number CGMCC No. 5971, Rheinheimera tangshanensis deposited under the accession number CGMCC No. 5972, and Pseudomonas fluorescens with the accession number CGMCC No. 5974 ( Pseudomonas fluorescens). The above composite bacteria group is arranged as a mixed bacteria aqueous solution according to the following mass ratio, that is, a bacterial liquid: Bacillus: R. jejuni: Pseudomonas fluorescens is 2-3: 1-2: 1-2; The density of the bacterial liquid is 60 million / ml or more, and is reserved. Example 2 Fibers were prepared from flax and flax was used as a raw material, and a method for preparing the fibers was specifically described. The complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:1:2. For details, please refer to Figure 1. The flow of the fiber preparation method is divided into three stages: preparation stage, fiber section and by-product section.

(1) Preparation stage: 1. 4 Dip the harvested flax into the soaking bin or soaking tank for washing and cold soaking. First, wash away the foreign materials such as dirt and soaking at the same time, the water temperature is natural temperature, and the time is saturated. , swelling is subject to 10-12 hours. After the liquid is turbid after repeated immersion, the supernatant can be reused after flocculation and precipitation. Sediment input Fermentation in biogas digesters to produce biogas.

(2) Fiber section: 6-12

6) Biodegradation: The decomposed raw materials are input into the biological bacteria degradation tank or tank, and immersed in the bacterial liquid prepared in Example 1. The mass ratio of the decomposed raw materials to the bacterial liquid is 1:8, and the temperature is maintained at 35- 40 ° C, time 32-36 hours. The degradation reaction occurs under the conditions of the biological bacteria, and its specific effect is exerted.

7) Steam sterilization: After the raw material pretreatment is completed, the raw materials are removed from the bacterial liquid, drained, and input into a steam storage tank, and sterilized by flowing water vapor at normal pressure for 10-30 minutes. The lower end feeds the raw material into the refiner.

8) Acquisition of fiber: The sterilized raw material is subjected to coarse grinding to form a fiber bundle.

9) The above-mentioned one-stage rough grinding is subjected to two-stage fine grinding to disperse the fiber bundle into a single fiber.

10) Re-screening: Screening and filtering the fiber bundles in a slurry after a coarse grinding and a second-stage fine grinding, and re-pulping them to make a single fiber.

11) Drying and carding: The fibers obtained above are soaked in warm water, then dried, carded, and drawn to further parallel the fibers.

12) Preparation of textile fibers: The fibers obtained above were subjected to further processing techniques for the preparation of textile fibers.

(3) By-product stage: A-C

The residue of the raw materials separated in A and 3 is rich in nutrients and fermented into cattle and sheep.

After immersing and washing the liquid in B and 4, the liquid is turbid, and after flocculation and sedimentation, the supernatant is recovered and reused. The sediment is input into the biogas tank to produce biogas, which is fed into the gas dual-purpose boiler for fuel, which can save energy. Consumption.

C. Bio-organic fertilizer: Biogas residue and biogas slurry fermented by biogas digesters are rich in bio-organic fertilizers, Crop topdressing and flower nutrient solution use, solid granulation for base fertilizer use, are all green fertilizer.

The measurement results of the physical properties of the obtained fibers are shown in Table 1.

Example 3 Preparation of cellulose from ramie

The specific preparation process is the same as in Example 2. The difference is that the composite flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3: 1 : 2; When biodegrading, the quality of the raw materials and bacteria after decontamination The ratio is 1:7.

Example 4 Preparation of cellulose from yellow kenaf

The specific preparation process is the same as in Example 2. The difference is that the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:2:2; When biodegrading, the quality of the raw materials and bacteria after disintegration The ratio is 1:8.5.

Example 5 Preparation of cellulose from sisal

The specific preparation process is the same as in Example 2. The difference is that the composite flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens 2: 1 : 2; Biodegradable, quality of raw materials and bacterial solution after decontamination The ratio is 1:9.

The measurement results of the physical properties of the obtained fibers are shown in Table 1. Table 1

Linen ramie yellow kenaf sisal fineness dtex 5 4.3 4.5 4.5 crack length km 6.32 6.12 4.23 3.41 breaking strength cN/dtex 10.5 9.6 9.7 9 elongation at break % 5 4.6 3.5 4 Example 6 Preparation of fiber from woody material

Taking Caragana korshinskii as raw material, the preparation method of cellulose when using woody raw materials is specifically described. The preparation process of the remaining woody materials, such as poplar and willow, can be carried out by referring to the process. When using Caragana, the complex flora is The following mass ratios were configured: Bacillus: R. jejuni: Pseudomonas fluorescens 3: 1 : 2; When poplar was used, the complex population was configured according to the following mass ratio: Bacillus: R. jejuni : Pseudomonas fluorescens is 2: 1 : 2; When using willow, the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:2:2. Specifically, referring to Figure 2, the process of the cellulose preparation method is divided into three stages: a preparation stage, a cellulose section, and a by-product section.

(1) Preparation stage: 1-4

1) -2) : Separate the harvested caragana strips. It can be separated by air separator or other mechanical means. After the skin rod is separated, the skin is input into the organic word material workshop to process the word material, and the peeled rod is input into the next program.

3) Cut the rod on the cutting machine, the length is 3-4 cm, and the oblique opening is good to increase the penetration area.

4) Input the peeled branches into the soaking bin or soaking tank for washing and cold soaking. First, wash off the foreign materials such as the outer surface of the raw materials, and soak them at the same time. The water temperature is the natural temperature, and the time is based on soaking and swelling. 10-12h. After the liquid is turbid after repeated immersion, the supernatant can be reused after flocculation and precipitation. Sediment input Fermentation in biogas digesters to produce biogas. The above four steps can be intermittent or interlocking.

(2) Cellulose section: 5-12

5) Disintegration: The swollen branches are input into the reeling machine or squeezed and smashed to modify the wood structure to loosen into a wood-like shape, which is beneficial to the penetration of the biological bacteria and exerts its degradation effect.

6) Biodegradation: The decomposed raw materials are input into the biological bacteria degradation tank or tank, and immersed in the bacterial liquid prepared in Example 1. The mass ratio of the decomposed raw materials to the bacterial liquid is 1:6, and the temperature is maintained at 35- 40 ° C, time 32-36 hours. The lignin reaction is degraded under the conditions of biological bacteria, and its specific effect is exerted.

8) Obtaining the fiber: the sterilized raw material is subjected to a rough grinding to form a fiber bundle; the above-mentioned one-stage coarse grinding is subjected to two-stage fine grinding to disperse the fiber bundle into a single fiber; screening, filtering through a rough grinding and two The fiber bundle in the finely ground slurry is reground to make a single fiber.

9) Sterilization: After coarse grinding and fine grinding, mechanical friction, most of the bending, distortion, warm water The soaking removes the fiber deflection caused by the refining, stretches it, and then dries and sterilizes.

10) Grinding: After sterilizing the fibers, the lignin is removed by conventional techniques known to those skilled in the art (for example, the dilute alkali method), and then sterilized and ground into cellulose 11) for food or medical or Japanese. Chemical additives 12)

(3) By-product stage: A-C

The caragana peel isolated from A 3 is rich in nutrients and fermented into cattle and sheep.

After the immersion and washing of the liquid in B 4 is turbid, the flocculation and sedimentation are carried out, and the supernatant is recovered and reused. The sediment is input into the biogas digester to produce biogas, and the gas is used as a dual-purpose boiler to make fuel, which can save energy and reduce consumption. effect.

C. Bio-organic fertilizer: The biogas residue and biogas slurry fermented by the biogas tank are rich in bio-organic fertilizer. The liquid is used as crop topdressing and flower nutrient solution, and solid granulation is used as base fertilizer, which is green fertilizer.

The results of the physical properties of the obtained cellulose are shown in Table 2 below: Table 2 Caragana poplar willow n 560 520 500 Apparent specific volume cm ³ /g 7.3 7.2 7.1 Average particle size μπι 200 180 190

Example 7 Preparation of cellulose from herbal raw materials Using wheat straw as a raw material, a method for preparing cellulose using a herbal raw material will be specifically described. The preparation process of the remaining herbal materials, such as straw and reed, can be carried out by referring to the process. When wheat straw is used, the composite flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:2:2; when straw is used, the composite flora is subjected to the following mass ratio Configuration: Bacillus: R. jejuni: Pseudomonas fluorescens is 2:2:2; When reeds are used, the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Fluorescent The bacteria is 3:1:3. Please refer to Figure 3 for details. The process of cellulose preparation is divided into three stages: preparation stage, cellulose section And by-product sections.

(1) Preparation stage: 1 4 Cut the wheat straw into 4-5cm cut sections, input into the soaking tank or soaking tank for washing and cold soaking. First, wash the raw materials such as dirt and so on, and soak them at the same time. The water temperature is natural. The temperature and time are based on soaking and swelling. After 10-12 hours of liquid immersion after repeated immersion, the supernatant can be reused after flocculation and precipitation. Sediment input Fermentation in biogas digesters to produce biogas.

(2) Cellulose section: 5-12 and (3) By-product stage: AC is the same as in Example 2, wherein the biological bacteria used are not described here as in Example 1, and in the case of biodegradation, the raw materials and bacteria after decontamination The measurement results of the physical properties of the obtained cellulose with a mass ratio of 1:8 are shown in Table 3 below: Table 3

Wheat straw straw reed n 480 450 440

Apparent specific volume cm ³ /g 7 6.6 6.8 Average particle size μπι 180 150 160 Example 8 Biological bacterial liquid pulping of woody raw materials

Taking Caragana korshinskii as raw material, the biological bacterial liquid pulping method when using woody raw materials is specifically described. The biopulping process of the remaining woody materials, such as poplar and eucalyptus, can be carried out with reference to the process. In the case of Caragana korshinskii, the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:1:2; when poplar is used, the complex is performed according to the following mass ratio Configuration: Bacillus: R. jejuni: Pseudomonas fluorescens is 3:2:2; When eucalyptus is used, the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Fluorescent The bacteria is 2:2:2. Please refer to Figure 4 for details. The flow of the biological bacterial slurry method is divided into three stages: preparation stage, pulping section and by-product section.

(1) Preparation stage: 1-4

1) -2) : Separate the harvested caragana strips. It can be separated by air separator or other mechanical means. Leather After the rod is separated, the skin is input into the organic word shop to process the word material, and the peeled rod is input to the next program.

(2) Pulping section: 5-12

8) Crude refining: The sterilized raw materials are fed into a high-concentration refiner for a length of coarse refining to form a coarse fiber bundle.

9) Fine refining: From the above-mentioned crude slurry, it is then transferred to a high-concentration refiner for fine refining to disperse the fiber bundle into a single fiber.

10) Slurry screening: After two stages of refining, the slurry contains a small number of fiber bundles, which are screened, filtered, and re-slurry to reach a single fiber.

11) Submersible, washing: The pulp after coarse refining and fine refining is mechanically rubbed, most of which is bent and twisted. It is soaked in warm water to eliminate the fiber deflection caused by refining and stretch it.

12) Paperboard: The paper pulp prepared above is fed into a paper machine, and paperboard is produced by a papermaking process.

(3) By-product stage: A-C

The caragana peels separated in A and 3 are rich in nutrients and fermented into cattle and sheep.

After immersing and washing the liquid in B and 4, it is turbid, flocculated, precipitated, and the supernatant is recycled and reused. The ferment is input into the biogas digester to produce biogas, and the gas is fed into the dual-purpose boiler for fuel, which can save energy and reduce consumption. C. Bio-organic fertilizer: The biogas residue and biogas slurry fermented by the biogas tank are rich in bio-organic fertilizer. The liquid is used as crop topdressing and flower nutrient solution, and solid granulation is used as base fertilizer, which is green fertilizer. The results of measuring the physical properties of the paper after refining are detailed in Table 4 below. The data have reached the AA grade of corrugated paper (Table 6):

Table 4 Caragana korshinskii poplar freeness / ml 125 215 290 Quantitation / g / cm ² 115 118.5 112.7 Whiteness /% ISO 40.6 37.95 48.36 Loose / cm ³ / g 1.78 1.88 2.24 tear index / mN m ² / g 7.13 3.99 3.89 Tensile index / N m / g 39.07 51.6 35.4 Breaking index / kPa m ² /g 1.59 2.1 1.3 Ring compressive strength index / N m / g 9.6 10.1 9.1

Example 9 Biological bacterial liquid pulping of herbal raw materials

Using wheat straw as raw material, the biological bacterial liquid pulping method when using herbal raw materials is specifically described. The biopulping of the remaining herbal materials, such as wheat straw, straw, and corn stalk, can be carried out with reference to the process. When wheat straw is used, the composite flora is configured according to the following mass ratio: Bacillus: R. jejuni: Pseudomonas fluorescens is 2:2:2; when straw is used, the composite flora is subjected to the following mass ratio Configuration: Bacillus: R. jejuni: Pseudomonas fluorescens 1:3:2; When using corn stalks, the complex flora is configured according to the following mass ratio: Bacillus: R. jejuni: Fluorescent false Monasis is 2:2: 1 For details, please refer to Figure 5. The flow of the biological bacterial slurry method is divided into three stages: preparation stage, pulping section and by-product section.

(1) Preparation stage: 1, 4 Cut the wheat straw into 4-5cm cut sections, input into the soaking tank or the soaking tank for washing and cold soaking. First, wash the foreign materials such as dirt and so on, and soak at the same time, the water temperature is Natural temperature, time is based on soaking and swelling, 10-12h. After the liquid is turbid after repeated immersion, the supernatant can be reused after flocculation and precipitation. Sediment input Fermentation in biogas digesters to produce biogas.

(2) Pulping section: 5-12 and (3) By-product stage: AC is the same as in Example 2, wherein the biological bacteria used are as described in Example 1, and the materials and bacteria after degrading are biodegraded. The mass ratio of the liquid is 1:8.

The results of measuring the physical properties of the paper after refining are shown in Table 5 below. Table 5 Straw degree of wheat straw straw corn stalks / ° SR 48 46 45 Quantitative / g / cm ² 60.4 62.6 57.3 Whiteness /% ISO 19.9 23.6 20.8 Loose / cm ³ / g 2.1 2.46 2.80 tear index / mN, m ² / g 3.39 4.77 2.8 Tensile index / N, m / g 70.6 47.6 43.9 Breaking index / kPa, m ² / g 3.09 1.89 1.87

Table 6 Quality indicators of corrugated base paper Regulation

Indicator name unit

Grade superior product one: mouth

Temple mouth, qualified product

(80, 90,

AAA

100, 110, (80, 90, 100, 110, quantitative (80, 90, 100, 110,

g/cm ² AA 120, 140, 120, 140, 160, 180, 120, 140, 160, 180, 200)

160, 180, 200) ± 5%

A

200) ±4%

AAA 0.55

The tightness is not less than g/cm ³ AA 0.53 0.50 0.45

A 0.50

AAA 5.0

Longitudinal crack length not less than km AA 4.5 3.75 2.50

A 4.3

7.5

8.5

AAA

10.0

11.5

Lateral ring pressure index is not less than

7.0 5.0 3.0 90 g/cm ²

7.5 5.3 3.5 >90~140 g/cm ² Nm/g AA

9.0 6.3 4.4 ^ 140-180 g/cm ²

10.5 7.7 5.5 ^ 180g/cm ²

6.5

6.8

A

7.7

9.2 Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and those skilled in the art can make some modifications and improvements without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the claims.

Claims

Claim

A composite flora comprising Bacillus sp. having a deposit number of CGMCC No. 5971, Rheinheimera tangshanensis having a deposit number of CGMCC No. 5972, and a deposit number of CGMCC No. 5974 of Pseudomonas fluorescens.

2. Use of the composite flora of claim 1 for the preparation of textile fibers, cellulose for additives or pulping of biological bacteria.

3. A method of making a textile fiber, comprising the steps of:

1) Arrangement of the bacterial liquid: The composite bacterial group according to claim 1 is configured as a mixed bacterial aqueous solution according to the following mass ratio, that is, the bacterial liquid:

Bacillus: R. jejuni: Pseudomonas fluorescens: 2-3 : 1-2 : 1-2 ;

2) Raw material processing: Cut the hemp raw material into sections, and put the raw materials into the soaking tank to swell;

3) Preparation of fibers, which comprises the steps of:

A method for preparing cellulose for an additive, comprising the steps of:

Bacillus: R. jejuni: Pseudomonas fluorescens: 2-3: 1-2: 1-2;

2) Raw material processing: The woody raw materials are peeled and sliced, or the herbal raw materials are cut into segments, and the cut raw materials are placed in a soaking pool to swell;

3) Preparation of fibers, which comprises the steps of:

Disintegration: squeezing the swollen raw material and/or squeezing;

Steam sterilization: the biodegradable raw materials are removed from the bacterial liquid, drained, and steamed; the fiber is obtained: the sterilized raw material is subjected to coarse grinding to form a fiber bundle; Two-stage fine grinding to disperse the fiber bundle into a single fiber; screening and filtering the slurry after a rough grinding and two fine grinding The fiber bundle is re-pulped to make a single fiber;

Sterilization: Soak the fiber prepared above in warm water, then dry and sterilize;

Grinding: The sterilized fibers are ground into cellulose as an additive.

5. A biological bacterial liquid pulping method, comprising the steps of:

Bacillus: R. jejuni: Pseudomonas fluorescens: 2-3: 1-2: 1-2;

3) Pulping, which includes the steps:

Disintegration: squeezing the swollen raw material and/or squeezing;

The method according to any one of claims 3 to 5, characterized in that the density of the bacterial liquid formed in the step 1) is 60 million / ml or more.

The method according to any one of claims 3 to 5, characterized in that the swelling time of step 2) is 10-12ho

The method according to any one of claims 3 to 5, wherein the biodegradation temperature of step 3) is maintained at 35-40 V for 32-36 hours.

The method according to any one of claims 3 to 5, wherein in the biodegradation, the mass ratio of the decomposed raw material to the bacterial liquid is 1: 6-9.

The method according to any one of claims 3 to 5, wherein the soaking liquid after soaking the raw material in step 2) is flocculated, precipitated, and the supernatant is recovered and reused, and the precipitate is input into the biogas tank to be fermented. Biogas.