CA989562A - Liquid phase coking of alkaline-sulfite waste pulping liquors at reduced ph - Google Patents
Liquid phase coking of alkaline-sulfite waste pulping liquors at reduced phInfo
- Publication number
- CA989562A CA989562A CA168,738A CA168738A CA989562A CA 989562 A CA989562 A CA 989562A CA 168738 A CA168738 A CA 168738A CA 989562 A CA989562 A CA 989562A
- Authority
- CA
- Canada
- Prior art keywords
- alkaline
- reduced
- liquid phase
- sulfite waste
- pulping liquors
- 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
Links
- 238000004939 coking Methods 0.000 title 1
- 239000007791 liquid phase Substances 0.000 title 1
- 239000003265 pulping liquor Substances 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
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
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25425072A | 1972-05-17 | 1972-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA989562A true CA989562A (en) | 1976-05-25 |
Family
ID=22963528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA168,738A Expired CA989562A (en) | 1972-05-17 | 1973-04-13 | Liquid phase coking of alkaline-sulfite waste pulping liquors at reduced ph |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4925201A (enrdf_load_stackoverflow) |
| AU (1) | AU462067B2 (enrdf_load_stackoverflow) |
| CA (1) | CA989562A (enrdf_load_stackoverflow) |
| DE (1) | DE2305546A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2184628B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1405237A (enrdf_load_stackoverflow) |
| NL (1) | NL7304643A (enrdf_load_stackoverflow) |
| NO (1) | NO137653C (enrdf_load_stackoverflow) |
| SU (1) | SU518152A3 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3518005A1 (de) * | 1985-05-18 | 1986-11-20 | Kraftanlagen Ag, 6900 Heidelberg | Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien |
-
1973
- 1973-02-05 DE DE19732305546 patent/DE2305546A1/de active Pending
- 1973-03-08 GB GB1126973A patent/GB1405237A/en not_active Expired
- 1973-03-15 AU AU53307/73A patent/AU462067B2/en not_active Expired
- 1973-03-30 NO NO131773A patent/NO137653C/no unknown
- 1973-04-02 JP JP3681273A patent/JPS4925201A/ja active Pending
- 1973-04-04 NL NL7304643A patent/NL7304643A/xx unknown
- 1973-04-13 CA CA168,738A patent/CA989562A/en not_active Expired
- 1973-04-19 SU SU1911892A patent/SU518152A3/ru active
- 1973-04-27 FR FR7315399A patent/FR2184628B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2184628A1 (enrdf_load_stackoverflow) | 1973-12-28 |
| GB1405237A (en) | 1975-09-10 |
| AU462067B2 (en) | 1975-06-12 |
| JPS4925201A (enrdf_load_stackoverflow) | 1974-03-06 |
| DE2305546A1 (de) | 1973-11-29 |
| NO137653C (no) | 1978-03-29 |
| NL7304643A (enrdf_load_stackoverflow) | 1973-11-20 |
| SU518152A3 (ru) | 1976-06-15 |
| NO137653B (no) | 1977-12-19 |
| AU5330773A (en) | 1974-10-17 |
| FR2184628B3 (enrdf_load_stackoverflow) | 1976-04-16 |
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