CN105178102A - Method for preparing papermaking surface sizing agent by using cellulosic ethanol fermentation residue as starting material - Google Patents
Method for preparing papermaking surface sizing agent by using cellulosic ethanol fermentation residue as starting material Download PDFInfo
- Publication number
- CN105178102A CN105178102A CN201510486389.XA CN201510486389A CN105178102A CN 105178102 A CN105178102 A CN 105178102A CN 201510486389 A CN201510486389 A CN 201510486389A CN 105178102 A CN105178102 A CN 105178102A
- Authority
- CN
- China
- Prior art keywords
- residue
- sizing agent
- fermentation residue
- starch
- alcoholic fermentation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000855 fermentation Methods 0.000 title claims abstract description 45
- 230000004151 fermentation Effects 0.000 title claims abstract description 45
- 238000004513 sizing Methods 0.000 title claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000007858 starting material Substances 0.000 title abstract 2
- 229920002472 Starch Polymers 0.000 claims abstract description 30
- 239000008107 starch Substances 0.000 claims abstract description 30
- 235000019698 starch Nutrition 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000001913 cellulose Substances 0.000 claims description 30
- 229920002678 cellulose Polymers 0.000 claims description 30
- 239000000123 paper Substances 0.000 claims description 23
- 230000001476 alcoholic effect Effects 0.000 claims description 22
- 244000085692 Cordia alliodora Species 0.000 claims description 18
- 235000004258 Cordia alliodora Nutrition 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 229920005610 lignin Polymers 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 239000012978 lignocellulosic material Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 230000001804 emulsifying effect Effects 0.000 claims description 4
- 102000004190 Enzymes Human genes 0.000 claims description 3
- 108090000790 Enzymes Proteins 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 claims description 3
- 102000004169 proteins and genes Human genes 0.000 claims description 3
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 230000007071 enzymatic hydrolysis Effects 0.000 abstract 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 abstract 1
- 235000019441 ethanol Nutrition 0.000 description 18
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 235000009973 maize Nutrition 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- FEIQOMCWGDNMHM-UHFFFAOYSA-N 5-phenylpenta-2,4-dienoic acid Chemical class OC(=O)C=CC=CC1=CC=CC=C1 FEIQOMCWGDNMHM-UHFFFAOYSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 108010058643 Fungal Proteins Proteins 0.000 description 1
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- -1 alkyl ketene dimer Chemical compound 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 229940099112 cornstarch Drugs 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012262 fermentative production Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The present invention relates to a method for preparing papermaking a surface sizing agent by using cellulosic ethanol fermentation residue as a starting material. The method comprises the steps of: a) acquisition of cellulosic ethanol fermentation residue: conducting pretreatment, enzymatic hydrolysis, fermentation and ethanol separation on the lignocellulosic feedstock to obtain cellulosic ethanol fermentation residue; 2) pretreatment of cellulosic ethanol fermentation residue: subjecting the residue to micronization treatment to reduce the particle size of residue, so as to reach the requirements of papermaking surface sizing agent; and 3) preparation of the papermaking surface sizing agent: mixing the cellulosic ethanol fermentation residue with starch, and using the mixture s the material for preparation of papermaking surface sizing agent. The invention uses cellulosic ethanol fermentation residue to substitute starch for application to papermaking surface sizing agent, and effectively promotes the healthy development of cellulosic ethanol industry, not only reduces the environmental pollution but also creates economic value, and reaches high economic and social benefits.
Description
Technical field
The present invention relates to pulp technology for making paper, be specifically related to a kind of with the fermentation residues of cellulosic ethanol for the method for paper surface-sizing agent prepared by raw material.
Background technology
At present, along with the rising day by day of global energy total amount consumed, petroleum resources day is becoming tight, and finding a kind of clean reproducible alternative energy source becomes the task of top priority, is that raw material is produced ethanol and become and solve the important of energy crisis instantly and effective way with lignocellulose.
In the annual agricultural production of China, stalk quantum of output is more than 700,000,000 tons, and the extensive utilization for biomass resource is supplied raw materials guarantee.Therefore, according to the situation of the current biomass resource of China, utilize conversion technology, agricultural stalk is converted into the fuel such as alcohol fuel.
Lignocellulosic material main component is cellulose, hemicellulose and lignin.Cellulose wherein and hemicellulose utilize technology comparatively ripe; In whole conversion process, lignin is difficult to be utilized effectively.In cellulosic ethanol production process, hemicellulose and cellulose all can fermentative production of ethanol, after fermentation residue residue be part do not transform completely cellulose, be difficult to the materials such as the lignin that utilizes and Yeast protein, be called cellulose alcoholic fermentation residue.
In view of the reason of current technical merit and material composition, utilize in the process of lignocellulosic material production of cellulosic ethanol and inevitably create abundant residues thing.If residue is as not trans-utilization in addition, bulk deposition, will become the major source of pollutant of environment.
Cypres is a class important chemical in paper industry, by improving the interfibrous adhesion of page, reaches the object of strengthening paper physical intensity.At present; the Cypres that paper industry is conventional mainly contains starch, cellulose derivative, animal glue, polyvinyl alcohol, polyacrylamide and synthetic latex etc.; wherein; using maximum is starch surface sizing agent; consider that the present world is faced with serious crisis in food, if can find a kind of suitable raw material can completely or partially substituted starch by significant.
Summary of the invention
Be intended to solve above-mentioned prior art Problems existing, inventor is found by research, main component due to Ethanol Production Process with Straw residue is the compositions such as lignin, cellulose and protein, therefore can consider to use residual fraction substituted starch to be applied to the top sizing of paper industry, this will promote the benign development of straw ethanol industry effectively, not only reduce environmental pollution and can also create economic worth, there is higher economic benefit and social benefit.
For this reason, the invention provides following technical scheme:
The invention provides the application of the fermentation residues after a kind of Production of Alcohol from Lignocellulose as paper surface-sizing agent; Routine as those skilled in the art is understood, and the fermentation residues of cellulosic ethanol is the cellulose alcoholic fermentation residue that lignocellulosic material obtains after the operations such as preliminary treatment, enzyme hydrolysis, fermentation, separation of ethanol; The main component of this material comprises lignin (30% ~ 60%), cellulose (30% ~ 60%), protein (5 ~ 15%) etc., and outward appearance is muddy, is water-insoluble materials.
The invention provides a kind of method and the application thereof of preparing paper surface-sizing agent, comprising:
1, the acquisition of cellulose alcoholic fermentation residue: by lignocellulosic material through operations such as preliminary treatment, enzyme hydrolysis, fermentation, separation of ethanols, obtain cellulose alcoholic fermentation residue, can be used as the raw material preparing glue used in paper-making.
2, cellulose alcoholic fermentation residue pre-treatment: according to application scenario, cellulosic ethanol residue can be applied under hygrometric state or dry state, and all needs to carry out miniaturization process, residue particles particle diameter is reduced, reaches paper surface-sizing agent requirement.
Under hygrometric state, cellulose alcoholic fermentation residue can use high pressure homogenizer, dispersion emulsifying machine or high speed dispersor process, reduces below its average grain diameter to 30 μm, for preparation table surface sizing agent.
If use under dry state, first that cellulose alcoholic fermentation residue is dry, then utilize mechanical means to be pulverized, screen with 60 ~ 200 object screen clothes, it is for subsequent use to get screen portion.
Repeatedly put into practice through inventor, when finding hygrometric state process, when residue average grain diameter is less than 30 μm, effect optimum, particle is excessive, both affects Process of Applying Glue, affects again the tensile strength, ring crush intensity, bursting strength etc. of page after applying glue; And during dry state process, sieve number is excessive, Cypres prepared by the cellulose alcoholic fermentation residue obtained does not reach the Expected Results of the application sometimes.
3, paper surface-sizing agent preparation: the cellulose alcoholic fermentation residue obtained above and starch mixing and water adding are mixed with concentration 2 ~ 18% suspension, the ratio of cellulose alcoholic fermentation residue and starch is 2 ~ 100:98 ~ 0, and starch can be cornstarch, tapioca, farina etc.; Preferably 2 ~ 80:98 ~ 20; Then add ammonium persulfate, consumption is 0.01 ~ 5%, after mixing, heat under constant agitation, be warming up to 80 ~ 95 DEG C, and be incubated 10 ~ 60min, finally add aluminum sulfate, consumption 0.5 ~ 5%, mix, by 60 object screen clothes, pump in dilution trap, and add warm water and dilute, starch glue is adjusted to the concentration of process stipulation.By the starch glue diluted, pump in storagetank, and keep certain temperature, namely can be used for top sizing.
Discovery is studied through inventor, by controlling the proportioning of cellulose alcoholic fermentation residue and starch, after carrying out top sizing, different page physical strengths can be obtained, be in the scope of 2 ~ 80:98 ~ 20 in the ratio of cellulose alcoholic fermentation residue and starch, can reach reasonable effect, its top sizing effect is close with starch surface sizing agent or higher;
In addition, inventor finds, adds aluminum sulfate further, can improve page physical strength further, achieve more outstanding effect by the Cypres (cellulose alcoholic fermentation residue and starch are raw material) prepared in the present invention.
4, the top sizing of page: the application mode of the Cypres prepared by the present invention is the same with common starch surface sizing agent.
In addition, the present invention also provides the application process of the above-mentioned Cypres prepared; Cypres prepared by this invention, can be used for the true qualities Paper or cardboards such as fluting medium, boxboard or cop tube paper, to improve the tensile strength, ring crush intensity, bursting strength etc. of page.Improve the water repelling property of page if need further, alkyl ketene dimer (AKD), styrene-acrylate class water repellent agent etc. can be added.
The present invention achieves following technique effect relative to prior art:
1) solve the more difficult trans-utilization in addition of the fermentation residues of cellulosic ethanol in prior art, the problem of bulk deposition, the utilization for the fermentation residues of cellulosic ethanol provides a kind of new way;
2) overcome paper surface-sizing agent in prior art and too much depend on the problem of starch;
3) relatively inherently comparatively cheap starch surface sizing agent, the Cypres of the application, reduce further production cost;
4) Cypres of the present invention reaches the conventional effect using Cypres in prior art; And make product appearance produce the tough U.S. of similar " brown paper ".
5) by the preliminary Cypres optimization (adding aluminum sulfate) obtained, the treatment effect of Cypres is further increased.
Detailed description of the invention
Embodiment 1:
Adding water is mixed with concentration 10% suspension to get maize straw production of cellulosic ethanol fermentation residues 90g (over dry, lower same), and adopt high-shearing dispersion emulsifying machine process 10min, rotating speed controls as 13000r/min.Get 30g starch to add water and be mixed with 10% concentration suspensions, both mixed, cellulosic ethanol residue: starch=75:25, then adds consumption 3% ammonium persulfate, is heated to temperature 90 DEG C, insulation 30min.During top sizing, control resin added is 10g/m
2left and right, and contrast with 100% starch surface sizing agent.Page physical strength data are as table 1.
Table 1
Embodiment 2:
Adding water is mixed with concentration 10% suspension to get maize straw production of cellulosic ethanol fermentation residues 30g (over dry, lower same), and adopt high-shearing dispersion emulsifying machine process 10min, rotating speed controls as 10000r/min.Get 90g starch to add water and be mixed with 10% concentration suspensions, both mixed, cellulosic ethanol residue: starch=25:75, then adds consumption 3% ammonium persulfate, is heated to temperature 90 DEG C, insulation 30min.During top sizing, control resin added is 10g/m
2left and right, and contrast with 100% starch surface sizing agent.Page physical strength data are as table 2.
Table 2
Embodiment 3:
Get dry corncob production of cellulosic ethanol fermentation residues 30g, adopt multifunctional crusher micronization processes, cross 100 mesh sieves, then mix with 30g starch, add water and be mixed with concentration 8% suspension, add 0.3% ammonium persulfate.Be heated to temperature 95 DEG C, temperature retention time is 10min, controlling resin added during top sizing is 10g/m
2left and right, and contrast with 100% starch surface sizing agent.Page physical strength data are as table 3.
Table 3
Embodiment 4:
The Cypres prepared in embodiment 3 is added 2% aluminum sulfate, and controlling resin added during top sizing is 10g/m
2left and right.Page physical strength data are as table 4.
Table 4
Embodiment 5:
The Cypres prepared in embodiment 3 is added 2% aluminum sulfate, and top sizing adopts the mode of one side and two-sided applying glue, and page physical strength data are as table 5.
Table 5
Although above-mentioned, the specific embodiment of the present invention is described; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. the fermentation residues after Production of Alcohol from Lignocellulose is as the application of paper surface-sizing agent.
2. apply according to claim 1, it is characterized in that, described residue mixes with starch and uses as Cypres.
3. apply according to claim 1 or 2, it is characterized in that, described Cypres adds aluminum sulfate further, then for top sizing.
4. a preparation method for paper surface-sizing agent, is characterized in that preparing using the fermentation residues after Production of Alcohol from Lignocellulose as raw material, comprising:
1) acquisition of cellulose alcoholic fermentation residue: by lignocellulosic material through preliminary treatment, enzyme hydrolysis, fermentation, separation of ethanol operation, obtain cellulose alcoholic fermentation residue;
2) cellulose alcoholic fermentation residue pre-treatment: by step 1) residue that obtains carries out miniaturization process, and residue particles particle diameter is reduced, reaches paper surface-sizing agent requirement;
3) paper surface-sizing agent preparation: by step 2) the cellulose alcoholic fermentation residue that obtains mixes with starch, prepares paper surface-sizing agent as raw material.
5. method according to claim 4, is characterized in that, step 3) in the Cypres of preparation add aluminum sulfate further, for top sizing after cooling.
6. method according to claim 4 or 5, is characterized in that, step 1) described cellulose alcoholic fermentation residue main component comprises 30% ~ 60% lignin, 30% ~ 60% cellulose, 5 ~ 15% protein, and outward appearance is muddy, water insoluble; Step 2) middle according to residue state, described pre-treatment is hygrometric state process or dry state process, described hygrometric state is treated to: cellulose alcoholic fermentation residue uses high pressure homogenizer, dispersion emulsifying machine or high speed dispersor process, reduces below its average grain diameter to 30 μm; Described dry state is treated to: cellulose alcoholic fermentation residue is dry, then utilizes mechanical means to be pulverized, and with being greater than 60 ~ 200 object screen clothes screenings, it is for subsequent use to get screen portion.
7. method described in claim 4 or 5, it is characterized in that, step 3) in, by step 2) the cellulose alcoholic fermentation residue that obtains and starch mixing and water adding be mixed with suspension, the ratio of cellulose alcoholic fermentation residue and starch is 2 ~ 100:98 ~ 0, preferably 2 ~ 80:98 ~ 20, then add ammonium persulfate, and consumption is 0.01 ~ 5%, after mixing, heat under constant agitation, be warming up to 80 ~ 95 DEG C, and be incubated 10 ~ 60min, finally add aluminum sulfate, consumption 0.5 ~ 5%, mixes, then for top sizing.
8. the paper surface-sizing agent that according to claim 4-7 prepared by preparation method.
9. paper surface-sizing agent described in claim 8 is used for the application of page surface applying glue.
10. apply according to claim 9, it is characterized in that, described Cypres is used for fluting medium, boxboard, cop tube paper or other types paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486389.XA CN105178102B (en) | 2015-08-07 | 2015-08-07 | The method for preparing paper surface-sizing agent as raw material with the fermentation residues of cellulosic ethanol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510486389.XA CN105178102B (en) | 2015-08-07 | 2015-08-07 | The method for preparing paper surface-sizing agent as raw material with the fermentation residues of cellulosic ethanol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178102A true CN105178102A (en) | 2015-12-23 |
| CN105178102B CN105178102B (en) | 2017-05-31 |
Family
ID=54900493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510486389.XA Active CN105178102B (en) | 2015-08-07 | 2015-08-07 | The method for preparing paper surface-sizing agent as raw material with the fermentation residues of cellulosic ethanol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105178102B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108330738A (en) * | 2018-02-12 | 2018-07-27 | 广东轻工职业技术学院 | Complex fiber material and the preparation method and application thereof for top sizing |
| CN109826048A (en) * | 2017-11-23 | 2019-05-31 | 瑞辰星生物技术（广州）有限公司 | For the Cypres of papermaking and the papermaking process of improvement paper strength |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386879A (en) * | 1965-03-09 | 1968-06-04 | Abitibi Power & Paper Co | Process for forming board containing cellulosic fibers, thermosetting binder and pinewood resin |
| CN101712805A (en) * | 2009-11-06 | 2010-05-26 | 北京化工大学 | Method for preparing degradable mulch by reusing organic waste residues of biomass |
| CN102076505A (en) * | 2008-06-27 | 2011-05-25 | 惠普开发有限公司 | Surface treatment composition, inkjet printable article and method of making the same |
| CN103835185A (en) * | 2014-03-26 | 2014-06-04 | 云南省轻工业科学研究院 | Lacquer wax sizing agent and preparation method thereof |
| CN104005249A (en) * | 2014-05-22 | 2014-08-27 | 云南省轻工业科学研究院 | Preparation method of mixed additive for papermaking |
| CN104593448A (en) * | 2014-12-25 | 2015-05-06 | 山东龙力生物科技股份有限公司 | Method for producing ethanol from lignocellulosic biomass |
-
2015
- 2015-08-07 CN CN201510486389.XA patent/CN105178102B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3386879A (en) * | 1965-03-09 | 1968-06-04 | Abitibi Power & Paper Co | Process for forming board containing cellulosic fibers, thermosetting binder and pinewood resin |
| CN102076505A (en) * | 2008-06-27 | 2011-05-25 | 惠普开发有限公司 | Surface treatment composition, inkjet printable article and method of making the same |
| CN101712805A (en) * | 2009-11-06 | 2010-05-26 | 北京化工大学 | Method for preparing degradable mulch by reusing organic waste residues of biomass |
| CN103835185A (en) * | 2014-03-26 | 2014-06-04 | 云南省轻工业科学研究院 | Lacquer wax sizing agent and preparation method thereof |
| CN104005249A (en) * | 2014-05-22 | 2014-08-27 | 云南省轻工业科学研究院 | Preparation method of mixed additive for papermaking |
| CN104593448A (en) * | 2014-12-25 | 2015-05-06 | 山东龙力生物科技股份有限公司 | Method for producing ethanol from lignocellulosic biomass |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826048A (en) * | 2017-11-23 | 2019-05-31 | 瑞辰星生物技术（广州）有限公司 | For the Cypres of papermaking and the papermaking process of improvement paper strength |
| CN108330738A (en) * | 2018-02-12 | 2018-07-27 | 广东轻工职业技术学院 | Complex fiber material and the preparation method and application thereof for top sizing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178102B (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sun et al. | Evaluation of enzymatic hydrolysis of wheat straw pretreated by atmospheric glycerol autocatalysis | |
| CN103755816B (en) | A kind of preparation method of sodium carboxymethylcellulose | |
| EP2785853A2 (en) | Compositions and methods for biomass liquefaction | |
| Gao et al. | Effect of depth beating on the fiber properties and enzymatic saccharification efficiency of softwood kraft pulp | |
| CN107881842B (en) | Method for preparing high-strength corrugated base paper by using straws and waste paper pulp | |
| Min et al. | Enhancement of the enzymatic hydrolysis of fines from recycled paper mill waste rejects | |
| CN108589371A (en) | A kind of natural color pulp and its preparation process and application | |
| CN104404108A (en) | Pre-treating method for improving sugar conversion rate of lignocellulose | |
| Vignesh et al. | Improved high solids loading enzymatic hydrolysis and fermentation of cotton microdust by surfactant addition and optimization of pretreatment | |
| Mo et al. | Overcoming the drying-induced pore closure of APMP poplar fibers in old newsprint by surfactant treatment to promote enzymatic hydrolysis of the cellulose | |
| Lin et al. | Effect of sodium dodecyl sulfate and cetyltrimethylammonium bromide catanionic surfactant on the enzymatic hydrolysis of Avicel and corn stover | |
| CN108221423A (en) | A kind of natural color pulp and its preparation process and application | |
| CN102070720A (en) | Preparation method of octenylsuccinate hydroxyethyl bean-dreg cellulose ester | |
| CN105178102B (en) | The method for preparing paper surface-sizing agent as raw material with the fermentation residues of cellulosic ethanol | |
| CN110004196B (en) | Process for co-producing fuel ethanol and DDGS by using straw and corn | |
| CN103362030A (en) | Composite surface sizing agent for substituting starch in paper-making industry and preparation method | |
| CN107044065B (en) | A kind of paper-making pulping process | |
| CN106436414A (en) | Method for preparing wheat straw cellulose microfibrils by auxiliary enzymatic pretreatment | |
| CN111472186A (en) | Method for preparing high-quality crop straw dissolving pulp through hydrothermal pretreatment | |
| CN103408671A (en) | Method for preparing carboxymethylcellulose and sodium lignin sulfonate from crop straws | |
| CN104651416A (en) | Method for synchronously producing biological butanol and nano cellulose from sweet sorghum | |
| CN106868940B (en) | A kind of page surface applying glue amylan and its processing method | |
| CN102635033A (en) | Preparation method of no-sizing lag beewax/AKD (alkyl ketene dimer) neutral/alkaline sizing agent | |
| CN107687112A (en) | Utilize the method for stalk manufacture boxboard | |
| CN104005249B (en) | A kind of preparation method of paper grade (stock) mixed aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180312 Granted publication date: 20170531 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210312 Granted publication date: 20170531 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210312 Granted publication date: 20170531 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230307 Granted publication date: 20170531 |