EP0262988A3 - Herstellung einer Pulpe - Google Patents
Herstellung einer Pulpe Download PDFInfo
- Publication number
- EP0262988A3 EP0262988A3 EP87308780A EP87308780A EP0262988A3 EP 0262988 A3 EP0262988 A3 EP 0262988A3 EP 87308780 A EP87308780 A EP 87308780A EP 87308780 A EP87308780 A EP 87308780A EP 0262988 A3 EP0262988 A3 EP 0262988A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lignocellulose
- sulphite
- delignification
- pulp
- digested
- 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.)
- Withdrawn
Links
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
- D21C3/222—Use of compounds accelerating the pulping 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
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ217786 | 1986-10-02 | ||
NZ21778686 | 1986-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0262988A2 EP0262988A2 (de) | 1988-04-06 |
EP0262988A3 true EP0262988A3 (de) | 1988-06-29 |
Family
ID=19921815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87308780A Withdrawn EP0262988A3 (de) | 1986-10-02 | 1987-10-02 | Herstellung einer Pulpe |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0262988A3 (de) |
BR (1) | BR8705254A (de) |
FI (1) | FI874289A (de) |
PT (1) | PT85862B (de) |
ZA (1) | ZA877379B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325892B1 (en) | 1998-09-23 | 2001-12-04 | University Of New Brunswick | Method of delignifying sulphite pulp with oxygen and borohydride |
US6464827B1 (en) * | 2000-11-28 | 2002-10-15 | Praxair Technology, Inc. | Method of digesting wood with an alkaline liquor by adding an acidic agent to precipitate dissociated lignin |
FI122838B (fi) | 2005-03-31 | 2012-07-31 | Metso Paper Inc | Menetelmä massan valmistamiseksi lignoselluloosamateriaalista |
US20070240837A1 (en) * | 2006-04-13 | 2007-10-18 | Andritz Inc. | Hardwood alkaline pulping processes and systems |
AR091998A1 (es) * | 2012-05-03 | 2015-03-18 | Annikki Gmbh | Procedimiento de preparacion de celulosa con baja concentracion de lignina |
CN115976865A (zh) * | 2021-10-14 | 2023-04-18 | 中国科学院大连化学物理研究所 | 一种化学法制备木质纤维素本色浆联产木质素磺酸盐的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1651665A (en) * | 1927-12-06 | And edward p | ||
US2528351A (en) * | 1950-08-17 | 1950-10-31 | Hardwood By Products Inc | Alkaline sulfite digestion of hardwood |
US4213871A (en) * | 1976-07-06 | 1980-07-22 | Societe Anonyme dite:EPARCO | Biological activators |
JPS55163291A (en) * | 1979-05-31 | 1980-12-19 | Oji Paper Co | Alkaline sulfite pulping method |
JPS56118988A (en) * | 1980-02-18 | 1981-09-18 | Oji Paper Co | Alkali sulfite pulping method |
US4363700A (en) * | 1977-12-14 | 1982-12-14 | Oji Paper Co., Ltd. | Process for pulping lignocellulosic material with an alkaline sulfide cooking liquor containing an accelerating additive and reducing assistant |
-
1987
- 1987-09-30 ZA ZA877379A patent/ZA877379B/xx unknown
- 1987-09-30 FI FI874289A patent/FI874289A/fi not_active Application Discontinuation
- 1987-10-02 EP EP87308780A patent/EP0262988A3/de not_active Withdrawn
- 1987-10-02 PT PT85862A patent/PT85862B/pt unknown
- 1987-10-02 BR BR8705254A patent/BR8705254A/pt unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1651665A (en) * | 1927-12-06 | And edward p | ||
US2528351A (en) * | 1950-08-17 | 1950-10-31 | Hardwood By Products Inc | Alkaline sulfite digestion of hardwood |
US4213871A (en) * | 1976-07-06 | 1980-07-22 | Societe Anonyme dite:EPARCO | Biological activators |
US4363700A (en) * | 1977-12-14 | 1982-12-14 | Oji Paper Co., Ltd. | Process for pulping lignocellulosic material with an alkaline sulfide cooking liquor containing an accelerating additive and reducing assistant |
JPS55163291A (en) * | 1979-05-31 | 1980-12-19 | Oji Paper Co | Alkaline sulfite pulping method |
JPS56118988A (en) * | 1980-02-18 | 1981-09-18 | Oji Paper Co | Alkali sulfite pulping method |
Non-Patent Citations (8)
Title |
---|
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 50, no. 10, April 1980, pages 1010,1011, abstract 9393 Appleton, Wisconsin, US; J. KETTUNEN et al.: "Effect of anthraquinone on neutral sulfite and alkaline sulfite cooking of pine" & PAPERI PUN 61, no. 11:6845-690, 693-694, 699-700 (Nov. 1979) * |
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 52, no. 1, July 1981, page 129, abstract no. 1082 Appleton, Wisconsin, US; & JP - A - 55 163 291(OJI PAPER) 19-12-1980 * |
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 52, no. 9, March 1982, page 110, abstract no. 10562 Appleton, Wisconsin, US; & JP - A - 56 118 988 (OJI PAPER) 18-09-1981 * |
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 56, no. 5, November 1985, pages 586, 587 abstract no. 5231 Appleton, Wisconsin, US; T.J. McDONOUGH ET AL.: "Sulfite-anthraquinone pulping of southern pine for bleachable grades" & CPPA ANN.MFG. (MONTREAL) REPRINTS 71A: 161-170(Jan. 20-30 1985) * |
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 57, no. 9, page 1258, abstract no. 11374 Appleton, Wisconsin, US; H. OHI et al.: "Modified soda/quinone cooking.(1). Soda/Quinone cooking with sodium sulfite" & J. JAPAN WOOD RES.SOC. (MOKUZAI GAKKAISHI) 32, no. 9: pages 697-704 * |
TAPPI JOURNAL, vol. 69, no. 12, December 1986, pags 89,90 Norcross, GA, US; P. HE et al.: "Influence of sulfite on the effectiveness of anthraquinone in soda pulping" * |
TAPPI JOURNAL, vol. 69, no. 8, Agust 1986, pages 102-105, Norcross, GA, US; I.B. SANBORN et al.: "An evaluation of the sulfite-AQ pulping process" * |
TAPPI JOURNAL. vol. 66, no. 12, December 1983, pages 81,82 Norcross, GA, US; J.M. MACLEOD et al.: "Delignification rates of alkaline-AQ processes" * |
Also Published As
Publication number | Publication date |
---|---|
FI874289A0 (fi) | 1987-09-30 |
FI874289A (fi) | 1988-04-03 |
PT85862A (en) | 1987-11-01 |
PT85862B (en) | 1990-01-12 |
BR8705254A (pt) | 1988-05-24 |
EP0262988A2 (de) | 1988-04-06 |
ZA877379B (en) | 1989-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19880630 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: FULLERTON, TERRY J. |