BR9101745A - PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING - Google Patents
PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHINGInfo
- Publication number
- BR9101745A BR9101745A BR9101745A BR9101745A BR9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A BR 9101745 A BR9101745 A BR 9101745A
- Authority
- BR
- Brazil
- Prior art keywords
- bleaching
- chemicals
- separation
- stage
- liquid obtained
- Prior art date
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI902261A FI85293C (en) | 1990-05-04 | 1990-05-04 | FOERFARANDE FOER RENING OCH AOTERFOERING AV CELLULOSAFABRIKERS BLEKERIAVATTEN. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9101745A true BR9101745A (en) | 1991-12-10 |
Family
ID=8530380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9101745A BR9101745A (en) | 1990-05-04 | 1991-04-30 | PROCESS FOR THE SEPARATION OF CHEMICALS THAT CONTAIN CHLORINE FROM THE LIQUID OBTAINED IN THE FIRST STAGE OF BLEACHING |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPH089837B2 (en) |
AU (1) | AU634381B2 (en) |
BR (1) | BR9101745A (en) |
CA (1) | CA2041536C (en) |
ES (1) | ES2034879B1 (en) |
FI (1) | FI85293C (en) |
SE (1) | SE507066C2 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR950702505A (en) * | 1992-07-20 | 1995-07-29 | 알 브이 테이트 | Manufacture of Gas Hydrates |
US5374333A (en) * | 1992-07-30 | 1994-12-20 | Kamyr, Inc. | Method for minimizing pulp mill effluents |
US5439555A (en) * | 1992-07-30 | 1995-08-08 | Kamyr, Inc. | Minimum adverse environmental pulp with feed to chlorate manufacture |
US5549788A (en) * | 1992-07-30 | 1996-08-27 | A. Ahlstrom Corporation | Minimal effluents discharge pulp mill with chemical recovery |
US5300191A (en) * | 1992-07-30 | 1994-04-05 | Kamyr, Inc. | Chlorine dioxide generation for a zero discharge pulp mill |
US5302246A (en) * | 1992-07-30 | 1994-04-12 | Kamyr, Inc. | Method of managing liquid steams in a pulp mill |
US5628872A (en) * | 1993-10-22 | 1997-05-13 | Kanyr Ab | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor |
CA2201117A1 (en) * | 1994-10-05 | 1996-04-18 | Johan Landfors | A process for treatment of effluents from a pulp producing plant |
FI990127A0 (en) * | 1999-01-22 | 1999-01-22 | Ahlstrom Machinery Oy | Process for treating pulp |
GB0301183D0 (en) | 2003-01-18 | 2003-02-19 | Rolls Royce Plc | Electrostatic sensors |
SE521780C2 (en) * | 2003-01-31 | 2003-12-09 | Kvaerner Pulping Tech | Method for bleaching cellulose pulp and bleaching line for this |
FI126551B (en) * | 2009-11-25 | 2017-02-15 | Andritz Oy | A method for treating fluid flows at a pulp mill |
JP7317509B2 (en) * | 2019-01-10 | 2023-07-31 | 日本製紙株式会社 | Method for producing lignin, and lignin-based dispersant |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA973661A (en) * | 1972-09-29 | 1975-09-02 | Pulp And Paper Research Institute Of Canada | Press alkaline extraction of cellulosic pulp |
US4159682A (en) * | 1977-12-01 | 1979-07-03 | Dorr-Oliver Incorporated | Fluid bed combustion with predrying of moist feed using bed sand |
DE3043194A1 (en) * | 1980-11-15 | 1982-07-01 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | DEVICE FOR MECHANICALLY SEPARATING LIQUIDS FROM LIQUIDS-SOLIDS MIXTURES IN A SCREW PRESS |
FI67894C (en) * | 1982-05-21 | 1985-06-10 | Rauma Repola Oy | FOERFARANDE OCH ANORDNING FOER BLEKNING AV FIBERMASSA |
FI77064C (en) * | 1985-04-29 | 1989-01-10 | Tampella Oy Ab | Process for boiling and bleaching cellulose |
NO159494C (en) * | 1986-10-23 | 1989-01-04 | Kvaerner Eureka As | PROCEDURE BY BLACKING CELLULOSMASS OR FRACTION THEREOF, PLANT FOR USE BY IMPLEMENTING THE PROCEDURE. |
NO882815L (en) * | 1988-06-24 | 1989-12-27 | Sigurd Fongen | PROCEDURE FOR CELLULOUS PREPARATION AND DELIGNIFICATION, WHEATING, DE-INKING AND CLEANING OF CELLULOSE FIBER AND DEVICE FOR CARRYING OUT THE PROCEDURE. |
FI893844A (en) * | 1988-08-23 | 1990-02-24 | Sappi Ltd | ELIMINERING AV BLEKNINGSAVLOPPSVAETSKOR. |
JP2972253B2 (en) * | 1988-08-26 | 1999-11-08 | キーラン・コーポレーション・ナムローゼ・フェンノートシャップ | Distillation equipment |
-
1990
- 1990-05-04 FI FI902261A patent/FI85293C/en active IP Right Grant
-
1991
- 1991-04-26 AU AU76278/91A patent/AU634381B2/en not_active Ceased
- 1991-04-26 SE SE9101278A patent/SE507066C2/en not_active IP Right Cessation
- 1991-04-29 ES ES9101076A patent/ES2034879B1/en not_active Expired - Fee Related
- 1991-04-30 BR BR9101745A patent/BR9101745A/en not_active IP Right Cessation
- 1991-04-30 JP JP9857491A patent/JPH089837B2/en not_active Expired - Fee Related
- 1991-04-30 CA CA 2041536 patent/CA2041536C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FI85293B (en) | 1991-12-13 |
AU7627891A (en) | 1991-11-07 |
FI902261A0 (en) | 1990-05-04 |
JPH089837B2 (en) | 1996-01-31 |
SE9101278D0 (en) | 1991-04-26 |
AU634381B2 (en) | 1993-02-18 |
ES2034879A1 (en) | 1993-04-01 |
ES2034879B1 (en) | 1993-11-01 |
SE507066C2 (en) | 1998-03-23 |
JPH06257088A (en) | 1994-09-13 |
FI902261A (en) | 1991-11-05 |
FI85293C (en) | 1992-03-25 |
CA2041536C (en) | 1997-12-09 |
CA2041536A1 (en) | 1991-11-05 |
SE9101278L (en) | 1991-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: granting | ||
FG9A | Patent or certificate of addition granted | ||
B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 30/04/2011 |