CH339488A - Verfahren zur Herstellung einer alkalischen Sulfidlauge - Google Patents
Verfahren zur Herstellung einer alkalischen SulfidlaugeInfo
- Publication number
- CH339488A CH339488A CH339488DA CH339488A CH 339488 A CH339488 A CH 339488A CH 339488D A CH339488D A CH 339488DA CH 339488 A CH339488 A CH 339488A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- alkaline sulphide
- sulphide liquor
- liquor
- alkaline
- 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
- D21C11/0085—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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US391753A US2774665A (en) | 1953-11-12 | 1953-11-12 | Production of soluble sulfides |
Publications (1)
Publication Number | Publication Date |
---|---|
CH339488A true CH339488A (de) | 1959-06-30 |
Family
ID=23547792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH339488D CH339488A (de) | 1953-11-12 | 1955-03-18 | Verfahren zur Herstellung einer alkalischen Sulfidlauge |
Country Status (5)
Country | Link |
---|---|
US (1) | US2774665A (de) |
CH (1) | CH339488A (de) |
DE (1) | DE1027501B (de) |
FR (1) | FR1132369A (de) |
GB (1) | GB757964A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1169274B (de) * | 1960-01-08 | 1964-04-30 | Sterling Drug Inc | Verfahren zur Regenerierung von Zellstoffablaugen |
CN102877350B (zh) * | 2012-09-29 | 2014-10-15 | 广西大学 | 一种木素提取联合碱回收的黑液处理方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE218344C (de) * | ||||
SE80421C1 (de) * | ||||
US1249287A (en) * | 1914-02-03 | 1917-12-04 | William H Sharp | Manufacture of chemical sulfate pulp. |
US1279604A (en) * | 1918-03-14 | 1918-09-24 | Ola Georg Stage | Process for treating cellulose-containing materials and recovering substances used therein. |
DE513755C (de) * | 1927-01-15 | 1931-12-14 | I G Farbenindustrie Akt Ges | Verfahren zur Wiedergewinnung von AEtzalkalien aus mit organischer Substanz verunreinigten Alkalilaugen |
US2072177A (en) * | 1933-10-24 | 1937-03-02 | Brown Co | Manufacture and refinement of chemical pulps and regeneration of the spent chemical liquors |
US2406581A (en) * | 1939-05-20 | 1946-08-27 | Bergstrom Hilding Olof Vidar | Process of utilizing waste liquors |
US2481408A (en) * | 1946-08-13 | 1949-09-06 | Olin Mathieson | Regeneration of caustic soda-sodium sulfide cooking liquor |
US2665249A (en) * | 1950-03-27 | 1954-01-05 | Sterling Drug Inc | Waste disposal |
-
1953
- 1953-11-12 US US391753A patent/US2774665A/en not_active Expired - Lifetime
-
1954
- 1954-10-26 GB GB30888/54A patent/GB757964A/en not_active Expired
- 1954-11-09 DE DEST9023A patent/DE1027501B/de active Pending
-
1955
- 1955-03-18 CH CH339488D patent/CH339488A/de unknown
- 1955-03-21 FR FR1132369D patent/FR1132369A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1132369A (fr) | 1957-03-07 |
GB757964A (en) | 1956-09-26 |
US2774665A (en) | 1956-12-18 |
DE1027501B (de) | 1958-04-03 |
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