CA2291722C - Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product - Google Patents
Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product Download PDFInfo
- Publication number
- CA2291722C CA2291722C CA002291722A CA2291722A CA2291722C CA 2291722 C CA2291722 C CA 2291722C CA 002291722 A CA002291722 A CA 002291722A CA 2291722 A CA2291722 A CA 2291722A CA 2291722 C CA2291722 C CA 2291722C
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- spent
- digestion liquor
- process according
- digestion
- 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.)
- Expired - Fee Related
Links
- 230000029087 digestion Effects 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims description 88
- 230000008569 process Effects 0.000 title claims description 71
- 238000004537 pulping Methods 0.000 title claims description 42
- 239000002699 waste material Substances 0.000 title description 21
- 239000007787 solid Substances 0.000 claims abstract description 65
- 229920005610 lignin Polymers 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims abstract description 23
- 230000020477 pH reduction Effects 0.000 claims abstract description 20
- 239000000701 coagulant Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 49
- 239000002655 kraft paper Substances 0.000 claims description 39
- 239000000377 silicon dioxide Substances 0.000 claims description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 19
- 239000004094 surface-active agent Substances 0.000 claims description 9
- 239000000123 paper Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims 1
- 239000013530 defoamer Substances 0.000 abstract description 10
- 230000005484 gravity Effects 0.000 abstract description 6
- 150000003839 salts Chemical class 0.000 abstract description 5
- 230000001079 digestive effect Effects 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 description 39
- 239000000126 substance Substances 0.000 description 23
- 241000196324 Embryophyta Species 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 239000000203 mixture Substances 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 11
- 239000002244 precipitate Substances 0.000 description 11
- 239000000835 fiber Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 description 6
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 239000010902 straw Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- -1 kraft Chemical compound 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 239000003265 pulping liquor Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 159000000011 group IA salts Chemical class 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000003784 tall oil Substances 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000000359 Triticum dicoccon Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- YXZBWJWYWHRIMU-UBPCSPHJSA-I calcium trisodium 2-[bis[2-[bis(carboxylatomethyl)amino]ethyl]amino]acetate ytterbium-169 Chemical compound [Na+].[Na+].[Na+].[Ca+2].[169Yb].[O-]C(=O)CN(CC([O-])=O)CCN(CC(=O)[O-])CCN(CC([O-])=O)CC([O-])=O YXZBWJWYWHRIMU-UBPCSPHJSA-I 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
- 235000019800 disodium phosphate Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010805 inorganic waste Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1997/009418 WO1998054400A1 (en) | 1993-08-20 | 1997-05-29 | Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2291722A1 CA2291722A1 (en) | 1998-12-03 |
| CA2291722C true CA2291722C (en) | 2006-06-13 |
Family
ID=22261000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002291722A Expired - Fee Related CA2291722C (en) | 1997-05-29 | 1997-05-29 | Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2002500707A (de) |
| AT (1) | ATE288967T1 (de) |
| AU (1) | AU3224797A (de) |
| CA (1) | CA2291722C (de) |
| DE (1) | DE69732499D1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4670011B2 (ja) * | 2005-10-18 | 2011-04-13 | 独立行政法人産業技術総合研究所 | リグニン含有樹脂、その製造方法、及びリグニン分離方法 |
| WO2011162420A1 (ja) * | 2010-06-25 | 2011-12-29 | ロペスアンドエヌティ有限会社 | パルプ蒸解廃液から中性領域でリグニンを回収する方法 |
-
1997
- 1997-05-29 JP JP50061699A patent/JP2002500707A/ja active Pending
- 1997-05-29 AT AT97927900T patent/ATE288967T1/de not_active IP Right Cessation
- 1997-05-29 AU AU32247/97A patent/AU3224797A/en not_active Abandoned
- 1997-05-29 DE DE69732499T patent/DE69732499D1/de not_active Expired - Lifetime
- 1997-05-29 CA CA002291722A patent/CA2291722C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2291722A1 (en) | 1998-12-03 |
| DE69732499D1 (de) | 2005-03-17 |
| JP2002500707A (ja) | 2002-01-08 |
| AU3224797A (en) | 1998-12-30 |
| ATE288967T1 (de) | 2005-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20170529 |