FR2168175A1 - - Google Patents
Info
- Publication number
- FR2168175A1 FR2168175A1 FR7201759A FR7201759A FR2168175A1 FR 2168175 A1 FR2168175 A1 FR 2168175A1 FR 7201759 A FR7201759 A FR 7201759A FR 7201759 A FR7201759 A FR 7201759A FR 2168175 A1 FR2168175 A1 FR 2168175A1
- Authority
- FR
- France
- 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.)
- Pending
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/14—Preparation of sulfites
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- 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
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7878868 | 1968-10-30 | ||
JP5840769 | 1969-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2168175A1 true FR2168175A1 (fr) | 1973-08-31 |
Family
ID=26399463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7201759A Pending FR2168175A1 (fr) | 1968-10-30 | 1972-01-19 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3698860A (fr) |
DE (1) | DE2200641A1 (fr) |
FR (1) | FR2168175A1 (fr) |
GB (1) | GB1328920A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980002574A1 (fr) * | 1979-05-18 | 1980-11-27 | Australian Paper Manufacturers | Reutilisation de la liqueur de pate a papier |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4141785A (en) * | 1976-03-17 | 1979-02-27 | Ebara Manufacturing Co., Ltd. | Process for recovery of chemicals from pulping waste liquor |
US4100253A (en) * | 1976-06-25 | 1978-07-11 | Union Carbide Corporation | Recovery of sodium and antimony values from spent ethylene glycol residues |
CN100463855C (zh) * | 2006-10-31 | 2009-02-25 | 赵志军 | 利用硫化碱还原废水生产亚硫酸钠和硫化钠的方法 |
EP2696954B1 (fr) | 2011-04-15 | 2021-08-25 | Aditya Birla Science and Technology Company Private Limited | Procédé de séparation et de purification de sulfure de sodium |
CN104136551B (zh) | 2011-10-24 | 2016-09-21 | 埃迪亚贝拉努沃有限公司 | 生产碳黑的改进工艺 |
RU2635808C2 (ru) | 2012-03-30 | 2017-11-16 | Адитиа Бирла Сайенс Энд Текнолоджи Компани Лтд. | Способ получения порошка технического углерода с пониженным содержанием серы |
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 |
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1969
- 1969-10-28 US US871930A patent/US3698860A/en not_active Expired - Lifetime
-
1971
- 1971-12-30 GB GB6085571A patent/GB1328920A/en not_active Expired
-
1972
- 1972-01-07 DE DE19722200641 patent/DE2200641A1/de active Pending
- 1972-01-19 FR FR7201759A patent/FR2168175A1/fr active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980002574A1 (fr) * | 1979-05-18 | 1980-11-27 | Australian Paper Manufacturers | Reutilisation de la liqueur de pate a papier |
Also Published As
Publication number | Publication date |
---|---|
DE2200641A1 (de) | 1973-07-19 |
US3698860A (en) | 1972-10-17 |
GB1328920A (en) | 1973-09-05 |