DE3676453D1 - Verfahren zur rueckgewinnung von natriumhydroxid aus einer fuer die pulpherstellung gebrauchten alkalischen ablauge. - Google Patents
Verfahren zur rueckgewinnung von natriumhydroxid aus einer fuer die pulpherstellung gebrauchten alkalischen ablauge.Info
- Publication number
- DE3676453D1 DE3676453D1 DE8686308274T DE3676453T DE3676453D1 DE 3676453 D1 DE3676453 D1 DE 3676453D1 DE 8686308274 T DE8686308274 T DE 8686308274T DE 3676453 T DE3676453 T DE 3676453T DE 3676453 D1 DE3676453 D1 DE 3676453D1
- Authority
- DE
- Germany
- Prior art keywords
- recovery
- sodium hydroxide
- pulp production
- alkaline waste
- waste used
- 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
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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
- D21C11/0092—Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24238185 | 1985-10-29 | ||
JP61203886A JPH0784716B2 (ja) | 1985-10-29 | 1986-09-01 | アルカリパルプ廃液から苛性ソ−ダを回収する方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3676453D1 true DE3676453D1 (de) | 1991-02-07 |
Family
ID=26514158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686308274T Expired - Fee Related DE3676453D1 (de) | 1985-10-29 | 1986-10-24 | Verfahren zur rueckgewinnung von natriumhydroxid aus einer fuer die pulpherstellung gebrauchten alkalischen ablauge. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0223438B1 (de) |
JP (1) | JPH0784716B2 (de) |
AU (1) | AU599933B2 (de) |
BR (1) | BR8605262A (de) |
CA (1) | CA1282210C (de) |
DE (1) | DE3676453D1 (de) |
FI (1) | FI85514C (de) |
NO (1) | NO172137C (de) |
NZ (1) | NZ218076A (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI77278C (fi) * | 1986-10-31 | 1989-02-10 | Ahlstroem Oy | Foerfarande och anordning foer foerbraenning av sodasvartlut. |
ZA937253B (en) * | 1992-09-30 | 1994-04-19 | North Broken Hill Ltd | A process for recovering alkali metal hydroxide from organic liquors |
CN1989292A (zh) * | 2004-09-07 | 2007-06-27 | 株式会社K·I*** | 黑液的处理方法 |
US7713422B2 (en) | 2004-09-07 | 2010-05-11 | K.I. System Co., Ltd. | Black liquor treatment method |
WO2008108506A1 (ja) * | 2007-03-07 | 2008-09-12 | Nihon Cellulose Co., Ltd. | 硫化物を含有しない黒液の処理方法 |
JP5420858B2 (ja) * | 2007-06-14 | 2014-02-19 | 仁 村上 | 黒液処理方法及び黒液処理装置並びに発電システム |
JP2009029796A (ja) * | 2007-07-04 | 2009-02-12 | Hitoshi Murakami | 多糖類由来化合物の生成方法並びに生成装置 |
CN110982500B (zh) * | 2019-11-20 | 2022-05-10 | 中国石油天然气股份有限公司 | 交联剂、其制备、深部调剖剂及深部调剖剂的制备与应用 |
CN116427199A (zh) * | 2023-05-30 | 2023-07-14 | 陕西科技大学 | 含硅木质素分离协同非木浆黑液流变性改善及黑液燃烧法绿液除硅的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR847415A (fr) * | 1937-12-13 | 1939-10-10 | Procédé et dispositif de récupération des liquides résiduels dans la fabrication de la cellulose | |
US3635790A (en) * | 1969-07-02 | 1972-01-18 | Dorr Oliver Inc | Process for the thermal oxidation of spent liquor |
CA1188485A (en) * | 1982-03-25 | 1985-06-11 | Kien L. Nguyen | Alkali regeneration process |
ZA849901B (en) * | 1983-12-23 | 1985-08-28 | North Broken Hill Ltd | Method of improving the purity of alkali-metal hydroxides |
-
1986
- 1986-09-01 JP JP61203886A patent/JPH0784716B2/ja not_active Expired - Lifetime
- 1986-10-09 CA CA000520222A patent/CA1282210C/en not_active Expired - Fee Related
- 1986-10-24 DE DE8686308274T patent/DE3676453D1/de not_active Expired - Fee Related
- 1986-10-24 EP EP86308274A patent/EP0223438B1/de not_active Expired - Lifetime
- 1986-10-27 FI FI864358A patent/FI85514C/fi not_active IP Right Cessation
- 1986-10-27 AU AU64444/86A patent/AU599933B2/en not_active Ceased
- 1986-10-28 NO NO864308A patent/NO172137C/no unknown
- 1986-10-28 BR BR8605262A patent/BR8605262A/pt not_active IP Right Cessation
- 1986-10-28 NZ NZ218076A patent/NZ218076A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FI85514B (fi) | 1992-01-15 |
NO172137C (no) | 1993-06-09 |
AU599933B2 (en) | 1990-08-02 |
JPS62276095A (ja) | 1987-11-30 |
NO864308L (no) | 1987-04-30 |
NO172137B (no) | 1993-03-01 |
EP0223438A1 (de) | 1987-05-27 |
AU6444486A (en) | 1987-04-30 |
FI85514C (fi) | 1992-04-27 |
FI864358A0 (fi) | 1986-10-27 |
EP0223438B1 (de) | 1991-01-02 |
NO864308D0 (no) | 1986-10-28 |
FI864358A (fi) | 1987-04-30 |
CA1282210C (en) | 1991-04-02 |
BR8605262A (pt) | 1987-07-28 |
NZ218076A (en) | 1990-06-26 |
JPH0784716B2 (ja) | 1995-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |