FR2500858B1 - - Google Patents
Info
- Publication number
- FR2500858B1 FR2500858B1 FR8203275A FR8203275A FR2500858B1 FR 2500858 B1 FR2500858 B1 FR 2500858B1 FR 8203275 A FR8203275 A FR 8203275A FR 8203275 A FR8203275 A FR 8203275A FR 2500858 B1 FR2500858 B1 FR 2500858B1
- 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.)
- Expired
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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3107447A DE3107447C2 (de) | 1981-02-27 | 1981-02-27 | Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2500858A1 FR2500858A1 (fr) | 1982-09-03 |
FR2500858B1 true FR2500858B1 (US20090163788A1-20090625-C00002.png) | 1984-11-30 |
Family
ID=6125928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8203275A Granted FR2500858A1 (fr) | 1981-02-27 | 1982-02-26 | Procede pour eliminer sous forme de boue la silice d'une lessive noire |
Country Status (5)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2600054B1 (fr) * | 1986-06-11 | 1988-10-21 | Technip Cie | Procede et installation de separation de la silice contenue dans les liqueurs noires residuaires de la fabrication de pate a papier |
AT393284B (de) * | 1989-12-01 | 1991-09-25 | Waagner Biro Ag | Verfahren zur entkieselung der ablauge |
FI104335B1 (fi) * | 1997-10-13 | 1999-12-31 | Poeyry Jaakko & Co Oy | Menetelmä alkalin ja energian talteenottamiseksi silikaattipitoisesta mustalipeästä |
EP1664421B1 (en) * | 2003-09-08 | 2011-12-07 | Alberta Innovates - Technology Futures | Chemimechanical desilication of nonwood plant materials |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1606338A (en) * | 1921-05-19 | 1926-11-09 | Bradley Mckeefe Corp | Treatment of black liquor |
GB548280A (en) * | 1941-02-28 | 1942-10-05 | Arthur Baker | Improvements in and relating to the production of cellulose |
FR1112129A (fr) * | 1953-11-19 | 1956-03-08 | Inventa Ag | Procédé pour la préparation de la lignine à partir des liqueurs noires |
DE1119645B (de) * | 1957-01-31 | 1961-12-14 | Escher Wyss Gmbh | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie |
DE2006313A1 (de) * | 1970-02-12 | 1971-03-11 | Krupp Gmbh | Vorrichtung zum Begasen von Flüssigkeiten unterhalb der Oberfläche |
ES461364A1 (es) * | 1977-08-04 | 1978-05-01 | Torras Hostench S A | Perfeccionamientos en procedimientos para recuperacion qui- mica de hidroxido sodico y recuperacion termica de las le- jias negras residuales de la fabricacion de celulosa. |
-
1981
- 1981-02-27 DE DE3107447A patent/DE3107447C2/de not_active Expired
-
1982
- 1982-02-26 WO PCT/EP1982/000040 patent/WO1982002909A1/en active IP Right Grant
- 1982-02-26 JP JP57500968A patent/JPS58500719A/ja active Pending
- 1982-02-26 DE DE8282900800T patent/DE3272068D1/de not_active Expired
- 1982-02-26 FR FR8203275A patent/FR2500858A1/fr active Granted
- 1982-02-26 EP EP82900800A patent/EP0072844B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3107447A1 (de) | 1982-09-16 |
FR2500858A1 (fr) | 1982-09-03 |
JPS58500719A (ja) | 1983-05-06 |
EP0072844B1 (de) | 1986-07-23 |
DE3272068D1 (en) | 1986-08-28 |
WO1982002909A1 (en) | 1982-09-02 |
EP0072844A1 (de) | 1983-03-02 |
DE3107447C2 (de) | 1985-08-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |