CN104928965A - 一种全棉秸秆化机浆制浆废液的零排放工艺 - Google Patents
一种全棉秸秆化机浆制浆废液的零排放工艺 Download PDFInfo
- Publication number
- CN104928965A CN104928965A CN201510232229.2A CN201510232229A CN104928965A CN 104928965 A CN104928965 A CN 104928965A CN 201510232229 A CN201510232229 A CN 201510232229A CN 104928965 A CN104928965 A CN 104928965A
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- China
- Prior art keywords
- pulp washing
- dosing
- washing
- pulp
- thread rolling
- 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
- 238000000034 method Methods 0.000 title claims abstract description 103
- 239000002699 waste material Substances 0.000 title claims abstract description 86
- 238000004537 pulping Methods 0.000 title claims abstract description 82
- 229920000742 Cotton Polymers 0.000 title claims abstract description 61
- 230000008569 process Effects 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 title claims abstract description 38
- 239000010902 straw Substances 0.000 title abstract 2
- 238000005406 washing Methods 0.000 claims abstract description 261
- 239000002994 raw material Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000001704 evaporation Methods 0.000 claims abstract description 45
- 230000008020 evaporation Effects 0.000 claims abstract description 45
- 239000000049 pigment Substances 0.000 claims abstract description 34
- 238000004064 recycling Methods 0.000 claims abstract description 27
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 92
- 238000007598 dipping method Methods 0.000 claims description 51
- 239000002351 wastewater Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 41
- 238000010411 cooking Methods 0.000 claims description 39
- 238000004061 bleaching Methods 0.000 claims description 38
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 28
- 238000007670 refining Methods 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 23
- 239000000284 extract Substances 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 18
- 150000008064 anhydrides Chemical class 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 14
- 229920002472 Starch Polymers 0.000 claims description 13
- 235000019698 starch Nutrition 0.000 claims description 13
- 239000011734 sodium Substances 0.000 claims description 12
- 239000008107 starch Substances 0.000 claims description 11
- 239000003337 fertilizer Substances 0.000 claims description 10
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000002738 chelating agent Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000004076 pulp bleaching Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 229920001131 Pulp (paper) Polymers 0.000 description 10
- 208000028659 discharge Diseases 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008719 thickening Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000006424 Flood reaction Methods 0.000 description 4
- 229920005610 lignin Polymers 0.000 description 4
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002025 wood fiber Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 238000005374 membrane filtration Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- KSSNXJHPEFVKHY-UHFFFAOYSA-N phenol;hydrate Chemical compound O.OC1=CC=CC=C1 KSSNXJHPEFVKHY-UHFFFAOYSA-N 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019082 Osmanthus Nutrition 0.000 description 1
- 241000333181 Osmanthus Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000168036 Populus alba Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003866 digestant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- -1 starching dense 30% Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- 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
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Abstract
Description
成分 | 有机物含量 | 氮含量 | 磷含量 | 钾含量 |
数值 | 31.38% | 0.5% | 0% | 0% |
Claims (28)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510232229.2A CN104928965B (zh) | 2015-05-08 | 2015-05-08 | 一种全棉秸秆化机浆制浆废液的零排放工艺 |
PCT/CN2015/079084 WO2016179846A1 (zh) | 2015-05-08 | 2015-05-15 | 一种全棉秸秆化机浆制浆废液的零排放工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510232229.2A CN104928965B (zh) | 2015-05-08 | 2015-05-08 | 一种全棉秸秆化机浆制浆废液的零排放工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104928965A true CN104928965A (zh) | 2015-09-23 |
CN104928965B CN104928965B (zh) | 2017-08-25 |
Family
ID=54116374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510232229.2A Active CN104928965B (zh) | 2015-05-08 | 2015-05-08 | 一种全棉秸秆化机浆制浆废液的零排放工艺 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN104928965B (zh) |
WO (1) | WO2016179846A1 (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107723809A (zh) * | 2017-11-02 | 2018-02-23 | 天津容业达科技发展有限公司 | 一种秸秆纤维提取工艺 |
CN110670396A (zh) * | 2019-10-15 | 2020-01-10 | 史晓菲 | 一种秸秆原料制备黄腐酸和生物纤维生产工艺 |
CN111485439A (zh) * | 2020-06-01 | 2020-08-04 | 河南大学 | 一种纤维浆料逆向循环洗涤方法 |
CN112064393A (zh) * | 2020-09-07 | 2020-12-11 | 顾理富 | 植物纤维素制备设备及工艺 |
CN114293395A (zh) * | 2021-12-24 | 2022-04-08 | 辛书彬 | 一种低废排放的制浆工艺 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109423915A (zh) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | 一种以禾本类植物为原料的联合工艺 |
CN109423909A (zh) * | 2017-08-30 | 2019-03-05 | 黑龙江如柏科技有限公司 | 一种以禾本类植物为原料的联合工艺 |
CN112853793B (zh) * | 2020-12-31 | 2023-07-28 | 齐鲁工业大学 | 一种热蒸汽协同生物酶处理麦草制备原色生物机械浆及副产物全利用的方法 |
CN114808519B (zh) * | 2022-04-22 | 2023-03-03 | 山东大汶河农业发展集团有限公司 | 一种姜秸秆高值化利用的方法 |
Citations (4)
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---|---|---|---|---|
US20030150065A1 (en) * | 1998-12-30 | 2003-08-14 | Sheng-Hsin Hu | Liquid ammonia explosion treatment of wood fibers |
CN101046072A (zh) * | 2006-03-28 | 2007-10-03 | 天津科技大学 | 全棉秆原料生产漂白化机浆预处理工艺 |
CN101314924A (zh) * | 2008-06-26 | 2008-12-03 | 晏永祥 | 一种污水可零排放的制浆造纸方法 |
CN102587181A (zh) * | 2012-02-27 | 2012-07-18 | 谢明文 | 一种环保清洁制浆工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5302246A (en) * | 1992-07-30 | 1994-04-12 | Kamyr, Inc. | Method of managing liquid steams in a pulp mill |
FI20080298L (fi) * | 2007-06-15 | 2009-10-22 | Andritz Oy | Menetelmä nestevirtojen käsittelemiseksi ja käyttämiseksi sellutehtaalla |
CN101476256A (zh) * | 2008-11-19 | 2009-07-08 | 岳阳纸业股份有限公司 | 造纸黑液预提取方法 |
CN102230293A (zh) * | 2011-06-02 | 2011-11-02 | 山东太阳纸业股份有限公司 | 化机浆蒸发预处理工艺方法 |
CN103205909B (zh) * | 2013-04-17 | 2015-12-02 | 潍坊恒联浆纸有限公司 | 一种棉浆黑液的提取工艺 |
CN103334328A (zh) * | 2013-06-17 | 2013-10-02 | 中国林业科学研究院林产化学工业研究所 | 利用桉木屑制漂白化机浆的方法 |
-
2015
- 2015-05-08 CN CN201510232229.2A patent/CN104928965B/zh active Active
- 2015-05-15 WO PCT/CN2015/079084 patent/WO2016179846A1/zh active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030150065A1 (en) * | 1998-12-30 | 2003-08-14 | Sheng-Hsin Hu | Liquid ammonia explosion treatment of wood fibers |
CN101046072A (zh) * | 2006-03-28 | 2007-10-03 | 天津科技大学 | 全棉秆原料生产漂白化机浆预处理工艺 |
CN101314924A (zh) * | 2008-06-26 | 2008-12-03 | 晏永祥 | 一种污水可零排放的制浆造纸方法 |
CN102587181A (zh) * | 2012-02-27 | 2012-07-18 | 谢明文 | 一种环保清洁制浆工艺 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107723809A (zh) * | 2017-11-02 | 2018-02-23 | 天津容业达科技发展有限公司 | 一种秸秆纤维提取工艺 |
CN110670396A (zh) * | 2019-10-15 | 2020-01-10 | 史晓菲 | 一种秸秆原料制备黄腐酸和生物纤维生产工艺 |
CN110670396B (zh) * | 2019-10-15 | 2021-02-02 | 史晓菲 | 一种秸秆原料制备黄腐酸和生物纤维生产工艺 |
CN111485439A (zh) * | 2020-06-01 | 2020-08-04 | 河南大学 | 一种纤维浆料逆向循环洗涤方法 |
CN112064393A (zh) * | 2020-09-07 | 2020-12-11 | 顾理富 | 植物纤维素制备设备及工艺 |
CN114293395A (zh) * | 2021-12-24 | 2022-04-08 | 辛书彬 | 一种低废排放的制浆工艺 |
Also Published As
Publication number | Publication date |
---|---|
WO2016179846A1 (zh) | 2016-11-17 |
CN104928965B (zh) | 2017-08-25 |
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