SE506702C2 - Förbehandling av fibermaterial med in situ bildad vätesulfid - Google Patents
Förbehandling av fibermaterial med in situ bildad vätesulfidInfo
- Publication number
- SE506702C2 SE506702C2 SE9601643A SE9601643A SE506702C2 SE 506702 C2 SE506702 C2 SE 506702C2 SE 9601643 A SE9601643 A SE 9601643A SE 9601643 A SE9601643 A SE 9601643A SE 506702 C2 SE506702 C2 SE 506702C2
- Authority
- SE
- Sweden
- Prior art keywords
- liquor
- pretreatment
- alkali metal
- fibrous material
- liquid
- Prior art date
Links
- 239000002657 fibrous material Substances 0.000 title claims abstract description 25
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000002203 pretreatment Methods 0.000 title claims description 9
- 238000011065 in-situ storage Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 17
- -1 alkali metal bicarbonate Chemical class 0.000 claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 11
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims abstract description 9
- 150000008041 alkali metal carbonates Chemical class 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 25
- 239000000126 substance Substances 0.000 claims description 22
- 238000002309 gasification Methods 0.000 claims description 18
- 238000009835 boiling Methods 0.000 claims description 17
- 238000010411 cooking Methods 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 239000002737 fuel gas Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 5
- 229920005610 lignin Polymers 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 27
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 22
- 239000011734 sodium Substances 0.000 description 17
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 16
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 16
- 238000005470 impregnation Methods 0.000 description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 description 11
- 235000017550 sodium carbonate Nutrition 0.000 description 11
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 8
- 235000017557 sodium bicarbonate Nutrition 0.000 description 8
- 239000000155 melt Substances 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- UNHKSXOTUHOTAB-UHFFFAOYSA-N sodium;sulfane Chemical compound [Na].S UNHKSXOTUHOTAB-UHFFFAOYSA-N 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 101100275990 Drosophila melanogaster Naus gene Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000007832 Na2SO4 Substances 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
- WJEIYVAPNMUNIU-UHFFFAOYSA-N [Na].OC(O)=O Chemical compound [Na].OC(O)=O WJEIYVAPNMUNIU-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- ZSOMPVKQDGLTOT-UHFFFAOYSA-J sodium green Chemical compound C[N+](C)(C)C.C[N+](C)(C)C.C[N+](C)(C)C.C[N+](C)(C)C.COC=1C=C(NC(=O)C=2C=C(C(=CC=2)C2=C3C=C(Cl)C(=O)C=C3OC3=CC([O-])=C(Cl)C=C32)C([O-])=O)C(OC)=CC=1N(CCOCC1)CCOCCOCCN1C(C(=C1)OC)=CC(OC)=C1NC(=O)C1=CC=C(C2=C3C=C(Cl)C(=O)C=C3OC3=CC([O-])=C(Cl)C=C32)C(C([O-])=O)=C1 ZSOMPVKQDGLTOT-UHFFFAOYSA-J 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/10—Physical methods for facilitating impregnation
-
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
-
- 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
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Glass Compositions (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9601643A SE506702C2 (sv) | 1996-04-30 | 1996-04-30 | Förbehandling av fibermaterial med in situ bildad vätesulfid |
| EP97922238A EP0896648B1 (de) | 1996-04-30 | 1997-04-24 | Schwefelwasserstoff-vorbehandlung von lignocellulosematerial bei kontinuierlichen aufschlussverfahren |
| PCT/SE1997/000686 WO1997041294A1 (en) | 1996-04-30 | 1997-04-24 | Hydrogen sulphide pretreatment of lignocellulosic material in continuous pulping processes |
| DE69725976T DE69725976D1 (de) | 1996-04-30 | 1997-04-24 | Schwefelwasserstoff-vorbehandlung von lignocellulosematerial bei kontinuierlichen aufschlussverfahren |
| BR9709122A BR9709122A (pt) | 1996-04-30 | 1997-04-24 | Pretamento de sulfeto de hidrogênio de material lignocelulosico em processos continuo de produção de polpa |
| JP9538802A JP2000509115A (ja) | 1996-04-30 | 1997-04-24 | 製紙用パルプの製造方法 |
| AT97922238T ATE253661T1 (de) | 1996-04-30 | 1997-04-24 | Schwefelwasserstoff-vorbehandlung von lignocellulosematerial bei kontinuierlichen aufschlussverfahren |
| CA002253301A CA2253301C (en) | 1996-04-30 | 1997-04-24 | Hydrogen sulphide pretreatment of lignocellulosic material in continuous pulping processes |
| US08/960,271 US5976321A (en) | 1996-04-30 | 1997-10-29 | Process for making sulfur enhanced undigested cellulosic fiber material and pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9601643A SE506702C2 (sv) | 1996-04-30 | 1996-04-30 | Förbehandling av fibermaterial med in situ bildad vätesulfid |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9601643D0 SE9601643D0 (sv) | 1996-04-30 |
| SE9601643L SE9601643L (sv) | 1997-10-31 |
| SE506702C2 true SE506702C2 (sv) | 1998-02-02 |
Family
ID=20402396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9601643A SE506702C2 (sv) | 1996-04-30 | 1996-04-30 | Förbehandling av fibermaterial med in situ bildad vätesulfid |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5976321A (de) |
| EP (1) | EP0896648B1 (de) |
| JP (1) | JP2000509115A (de) |
| AT (1) | ATE253661T1 (de) |
| BR (1) | BR9709122A (de) |
| CA (1) | CA2253301C (de) |
| DE (1) | DE69725976D1 (de) |
| SE (1) | SE506702C2 (de) |
| WO (1) | WO1997041294A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9703365D0 (sv) * | 1997-09-18 | 1997-09-18 | Kvaerner Pulping Tech | Method in connection with impregnation and digestion of lignocelulosic material |
| JP4205855B2 (ja) * | 1997-09-18 | 2009-01-07 | ケムレック アクチボラグ | ポリサルファイドパルプ化プロセス |
| SE518993E (sv) * | 2002-01-24 | 2013-04-23 | Metso Paper Sweden Ab | Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut |
| SE525064C2 (sv) * | 2003-04-17 | 2004-11-23 | Kvaerner Pulping Tech | Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa |
| SE525065C2 (sv) * | 2003-04-17 | 2004-11-23 | Kvaerner Pulping Tech | Förbehandling av flis med sur vätska vid ångbasning |
| US20050076568A1 (en) * | 2003-10-09 | 2005-04-14 | Stigsson Lars Lennart | Partial oxidation of cellulose spent pulping liquor |
| US20110314726A1 (en) * | 2008-11-21 | 2011-12-29 | Hasan Jameel | Production of ethanol from lignocellulosic biomass using green liquor pretreatment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841962A (en) * | 1972-07-31 | 1974-10-15 | Mac Millan Bloedel Ltd | Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes |
| SE407244B (sv) * | 1976-02-05 | 1979-03-19 | Mo Och Domsjoe Ab | Forfarande for framstellning av cellulosamassa av lovved i tva steg |
| SE468600B (sv) * | 1991-12-16 | 1993-02-15 | Chemrec Ab | Saett att framstaella koklut med hoeg sulfiditet |
-
1996
- 1996-04-30 SE SE9601643A patent/SE506702C2/sv not_active IP Right Cessation
-
1997
- 1997-04-24 EP EP97922238A patent/EP0896648B1/de not_active Expired - Lifetime
- 1997-04-24 CA CA002253301A patent/CA2253301C/en not_active Expired - Fee Related
- 1997-04-24 DE DE69725976T patent/DE69725976D1/de not_active Expired - Lifetime
- 1997-04-24 WO PCT/SE1997/000686 patent/WO1997041294A1/en not_active Ceased
- 1997-04-24 BR BR9709122A patent/BR9709122A/pt not_active Application Discontinuation
- 1997-04-24 AT AT97922238T patent/ATE253661T1/de not_active IP Right Cessation
- 1997-04-24 JP JP9538802A patent/JP2000509115A/ja active Pending
- 1997-10-29 US US08/960,271 patent/US5976321A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0896648A1 (de) | 1999-02-17 |
| JP2000509115A (ja) | 2000-07-18 |
| DE69725976D1 (de) | 2003-12-11 |
| ATE253661T1 (de) | 2003-11-15 |
| CA2253301C (en) | 2008-01-29 |
| WO1997041294A1 (en) | 1997-11-06 |
| BR9709122A (pt) | 1999-08-03 |
| SE9601643D0 (sv) | 1996-04-30 |
| SE9601643L (sv) | 1997-10-31 |
| EP0896648B1 (de) | 2003-11-05 |
| US5976321A (en) | 1999-11-02 |
| CA2253301A1 (en) | 1997-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |