CN109024034A - A kind of paper-making pulping digestant - Google Patents
A kind of paper-making pulping digestant Download PDFInfo
- Publication number
- CN109024034A CN109024034A CN201811016275.9A CN201811016275A CN109024034A CN 109024034 A CN109024034 A CN 109024034A CN 201811016275 A CN201811016275 A CN 201811016275A CN 109024034 A CN109024034 A CN 109024034A
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- China
- Prior art keywords
- enzyme
- digestant
- enzyme solution
- paper
- fermentation
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Abstract
The present invention relates to a kind of paper-making pulping digestants, belong to field of papermaking.A kind of paper-making pulping digestant, characterized in that the digestant is made of the enzyme of graphene aerogel powder and load on it, the enzyme is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein, the enzyme solution I is after milky white rake bacterium is fermented, through enzyme obtained by separating thallus；The enzyme solution II is after coarse wool removes from office pore fungi fermentation, through enzyme obtained by separating thallus.Digestant of the present invention is mainly used for grass raw pulp technique.The digestant combines biological enzyme with carrier, guarantees that enzyme is not lost when in use for it, can recycle, and probable life is long, and cooking effect is good.
Description
Technical field
The present invention relates to a kind of paper-making pulping digestants, belong to field of papermaking.
Background technique
Paper production is divided into two basic processes of slurrying and papermaking.Pulping process method therefor includes mechanical means, chemistry
Plant fiber material dissociation is become true qualities paper pulp or bleached pulp by the method that method or both combines.Wherein, change legal system
Slurry is more common method, and principle is to utilize chemical liquid boiling tablet, at high temperature the wood in chemical agent and tablet
Element reaction generates the hydrotrope, so that fiber separation is dispersed into slurry, chemical pulping method is divided into soda pulping process and acid polishing again.Change
Length of schooling starches people from day length that can substantially retain fiber, removes most of lignin, can produce the high-grade paper that intensity is high, soft,
But its disadvantage is also fairly obvious low to get rate, pollution is big, and boiling raffinate contains a large amount of alkaline matters, pollutes environment.Grass family
Plant is one of common raw material of papermaking, is with the features such as with short production cycle, resource distribution is wide relative to wood raw material
Good raw material cheap and easy to get.
Summary of the invention
The object of the present invention is to provide a kind of paper-making pulping digestant, which is mainly used for grass raw pulp
Technique.The digestant combines biological enzyme with carrier, guarantees that enzyme is not lost when in use for it, can recycle, can use the longevity
Life length, cooking effect are good.
A kind of paper-making pulping digestant, enzyme group of the digestant by graphene aerogel powder and load on it
At,
The enzyme is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein the enzyme solution I be milky white rake bacterium (Irpex lacteus) after CGMCC3.275 fermentation, through enzyme obtained by separating thallus；The enzyme solution II be coarse wool remove from office pore fungi (Coriolopsis gallica) after CICC2689 fermentation, through enzyme obtained by separating thallus.
Preferably, the graphene aerogel powder is made as follows: the oxidation stone for being 5% ~ 20% by mass fraction
Black alkene dispersion liquid is freeze-dried at -40 ~ -80 DEG C after freezing processing, is crushed, sieving；Under hydrogen atmosphere, 300 ~ 400 DEG C
6 ~ 12h of calcination processing.
Preferably, the digestant is made as follows: graphene aerogel powder is dispersed in water to obtain quality point
Mixed enzyme solution with dispersion liquid is that 1 ~ 5:1 is mixed by the dispersion liquid that number is 1 ~ 30% by volume, room temperature stirs 24 under confined conditions ~
48h, both,
Mixed enzyme solution used is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein the enzyme solution I is milky white rake bacterium
(Irpex lacteus) after CGMCC3.275 fermentation, through clarifying crude enzyme liquid obtained by separating thallus；The enzyme solution II is that coarse wool removes from office hole
Bacterium (Coriolopsis gallica) after CICC2689 fermentation, through clarifying crude enzyme liquid obtained by separating thallus.
A kind of paper-making pulping cooking liquor, by digestant, gained, the dosage of the water after water dilutes are the cooking liquor
100 ~ 200 times of digestant,
The digestant is made of the enzyme of graphene aerogel powder and load on it,
The enzyme is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein the enzyme solution I be milky white rake bacterium (Irpex lacteus) after CGMCC3.275 fermentation, through enzyme obtained by separating thallus；The enzyme solution II be coarse wool remove from office pore fungi (Coriolopsis gallica) after CICC2689 fermentation, through enzyme obtained by separating thallus.
Gramineae plant of the present invention is preferably reed, wheat straw, Nan Di etc..
The beneficial effects of the present invention are: digestant of the present invention is mainly used for grass raw pulp technique.The steaming
It boils agent and combines biological enzyme with carrier, guarantee that enzyme is not lost when in use for it, can recycle, probable life is long, boiling effect
Fruit is good.The present invention carries out boiling using mixed enzyme solution simultaneously, decomposes lignin using biological enzyme, fiber is made to be separated into single fiber.
Specific embodiment
The graphene aerogel powder is made as follows: the graphene oxide that mass fraction is 15% is dispersed
Liquid is freeze-dried at -60 DEG C after freezing processing, is crushed, sieving；Under hydrogen atmosphere, 360 DEG C of calcination processing 6h.
The enzyme solution I: culture medium: 12 Brix. brewer's wort 1.0L, agar 15.0g, natural pH.By milky white rake bacterium
(Irpex lacteus) CGMCC3.275 strain inoculated is on slant medium, after being cultivated 4 days in 26 DEG C of constant incubators, then
Move in culture medium, 26 DEG C constant temperature incubation 3 days, obtain fermentation liquid；Fermentation liquid is both obtained after 0.22 micron membrane filter filtration sterilization.
The enzyme solution II: culture medium: potato extracting solution 1.0L, glucose 20.0g, agar 15.0g, pH is natural.Horse
Bell potato extracting solution: taking peeled potatoes 200g, be cut into small pieces, and water 1.0L is added to boil 30min, filters off potato ball, filtrate is mended
Enough to 1.0L.By coarse wool remove from office pore fungi (Coriolopsis gallica) CICC2689 strain inoculated is on slant medium, 28 DEG C
After being cultivated 4 days in constant incubator, then move in culture medium, 28 DEG C constant temperature incubation 3 days, obtain fermentation liquid；By fermentation liquid through 0.22
After micron membrane filter filtration sterilization both.
Embodiment 1
S1 stock will remove impurity after the chopping of reed raw material；
S2 once boiling: once boiling is carried out by liquor ratio 1:4,80 DEG C of boiling temperature, digestion time 15min, is washed, steaming used
Boil liquid is grouped as by following groups by mass percentage: sodium hydroxide 6%, sodium sulfite 0.5%, vulcanized sodium 1.6%, anthraquinone 0.5%,
Dodecyl sodium sulfate 0.03%, excess water；
S3 is secondary boiled: it is secondary boiled by liquor ratio 1:5 progress, 60 DEG C of boiling temperature, digestion time 15min, and washing, steaming used
Boil liquid gained after water dilutes by digestant, the dosage of the water are 120 times of digestant；The digestant is made as follows
: by graphene aerogel powder be dispersed in water mass fraction be 15% dispersion liquid, mixed enzyme solution and dispersion liquid are pressed into body
For product than being that 3:1 is mixed, room temperature stirs 36h under confined conditions, both, wherein mixed enzyme solution used presses matter by enzyme solution I and enzyme solution II
Amount is formed than 2.1:1.
Embodiment 2
S1 stock will remove impurity after the chopping of reed raw material；
S2 once boiling: once boiling is carried out by liquor ratio 1:4,80 DEG C of boiling temperature, digestion time 15min, is washed, steaming used
Boil liquid is grouped as by following groups by mass percentage: sodium hydroxide 6%, sodium sulfite 0.5%, vulcanized sodium 1.6%, anthraquinone 0.5%,
Dodecyl sodium sulfate 0.03%, excess water；
S3 is secondary boiled: it is secondary boiled by liquor ratio 1:5 progress, 60 DEG C of boiling temperature, digestion time 15min, and washing, steaming used
Boil liquid gained after water dilutes by digestant, the dosage of the water are 120 times of digestant；The digestant is made as follows
: by graphene aerogel powder be dispersed in water mass fraction be 18% dispersion liquid, mixed enzyme solution and dispersion liquid are pressed into body
For product than being that 3.5:1 is mixed, room temperature stirs 36h under confined conditions, both, wherein mixed enzyme solution used is pressed by enzyme solution I and enzyme solution II
Mass ratio 1.8:1 composition.
Embodiment 3
S1 stock will remove impurity after the chopping of reed raw material；
S2 once boiling: once boiling is carried out by liquor ratio 1:4,80 DEG C of boiling temperature, digestion time 15min, is washed, steaming used
Boil liquid is grouped as by following groups by mass percentage: sodium hydroxide 6%, sodium sulfite 0.5%, vulcanized sodium 1.6%, anthraquinone 0.5%,
Dodecyl sodium sulfate 0.03%, excess water；
S3 is secondary boiled: it is secondary boiled by liquor ratio 1:5 progress, 60 DEG C of boiling temperature, digestion time 15min, and washing, steaming used
Boil liquid gained after water dilutes by digestant, the dosage of the water are 120 times of digestant；The digestant is made as follows
: by graphene aerogel powder be dispersed in water mass fraction be 12% dispersion liquid, mixed enzyme solution and dispersion liquid are pressed into body
For product than being that 4:1 is mixed, room temperature stirs 36h under confined conditions, both, wherein mixed enzyme solution used presses matter by enzyme solution I and enzyme solution II
Amount is formed than 1.5:1.
Comparative example 1
Other conditions are same as Example 1, and difference is only mixed enzyme solution, dosage and 1 phase of embodiment of biological enzyme in cooking liquor
Together.
Table 1
Boiling raffinate described in embodiment 1 and comparative example 1 is removed after solid impurity plus water complements to after meeting liquor ratio requirement
It is directly used in boiling next time, each conditions of cooking is all the same, the results are shown in Table 2.
Table 2
Claims (5)
1. a kind of paper-making pulping digestant, characterized in that the digestant is by graphene aerogel powder and loads on it
Enzyme composition,
The enzyme is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein the enzyme solution I be milky white rake bacterium (Irpex lacteus) after CGMCC3.275 fermentation, through enzyme obtained by separating thallus；The enzyme solution II be coarse wool remove from office pore fungi (Coriolopsis gallica) after CICC2689 fermentation, through enzyme obtained by separating thallus.
2. digestant according to claim 1, characterized in that the graphene aerogel powder is made as follows:
The graphene oxide dispersion for being 5% ~ 20% by mass fraction is freeze-dried at -40 ~ -80 DEG C after freezing processing, is crushed,
Sieving；Under hydrogen atmosphere, 300 ~ 400 DEG C of 6 ~ 12h of calcination processing.
3. digestant according to claim 1, characterized in that the digestant is made as follows: by graphene gas
Gel powder be dispersed in water mass fraction be 1 ~ 30% dispersion liquid, be by volume 1 ~ 5:1 by mixed enzyme solution and dispersion liquid
Mixing, room temperature stir 24 ~ 48h under confined conditions, both,
Mixed enzyme solution used is made of enzyme solution I and enzyme solution II 1 ~ 3:1 in mass ratio, wherein the enzyme solution I is milky white rake bacterium
(Irpex lacteus) after CGMCC3.275 fermentation, through clarifying crude enzyme liquid obtained by separating thallus；The enzyme solution II is that coarse wool removes from office hole
Bacterium (Coriolopsis gallica) after CICC2689 fermentation, through clarifying crude enzyme liquid obtained by separating thallus.
4. a kind of paper-making pulping cooking liquor, characterized in that cooking liquor digestant as described in claim 1 is after water dilutes
Gained, the dosage of the water are 100 ~ 200 times of digestant.
5. a kind of paper-making pulping process, characterized in that include the steps that boiling at least once, boiling used in the boiling step
Liquid is cooking liquor described in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016275.9A CN109024034B (en) | 2018-09-02 | 2018-09-02 | Cooking agent for papermaking pulping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811016275.9A CN109024034B (en) | 2018-09-02 | 2018-09-02 | Cooking agent for papermaking pulping |
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| CN109024034A true CN109024034A (en) | 2018-12-18 |
| CN109024034B CN109024034B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811016275.9A Active CN109024034B (en) | 2018-09-02 | 2018-09-02 | Cooking agent for papermaking pulping |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109881520A (en) * | 2019-03-26 | 2019-06-14 | 秾源科技(北京)有限公司 | A kind of paper pulp complex enzyme processed and preparation method thereof and application method |
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Cited By (2)
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| Publication number | Publication date |
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| CN109024034B (en) | 2022-01-18 |
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Effective date of registration: 20220105 Address after: 223341 Zhaoji town industrial concentration zone, Huaiyin District, Huai'an City, Jiangsu Province Applicant after: Huai'an Jingyuan Technology Co.,Ltd. Address before: 116011 room 2206, 100 Shengli Road, Xigang District, Dalian, Liaoning. Applicant before: DALIAN SHENGDUO EDUCATION CONSULTING CO.,LTD. |
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