CS174840B2 - - Google Patents
Info
- Publication number
- CS174840B2 CS174840B2 CS6422A CS642272A CS174840B2 CS 174840 B2 CS174840 B2 CS 174840B2 CS 6422 A CS6422 A CS 6422A CS 642272 A CS642272 A CS 642272A CS 174840 B2 CS174840 B2 CS 174840B2
- Authority
- CS
- Czechoslovakia
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
- D21C11/02—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 |
|---|---|---|---|
| US18283271A | 1971-09-22 | 1971-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS174840B2 true CS174840B2 (https=) | 1977-04-29 |
Family
ID=22670237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS6422A CS174840B2 (https=) | 1971-09-22 | 1972-09-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3794718A (https=) |
| JP (1) | JPS4861390A (https=) |
| AT (1) | AT319737B (https=) |
| CA (1) | CA974353A (https=) |
| CS (1) | CS174840B2 (https=) |
| FR (1) | FR2153361B1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873415A (en) * | 1973-05-03 | 1975-03-25 | Spring Chemicals Ltd | Process for reducing the amount of calcium contained in sodium-base waste sulfite liquor by the use of a sodium and/or an ammonium compound and additional calcium |
| US4002457A (en) * | 1974-08-19 | 1977-01-11 | International Telephone And Telegraph Corporation | Soil conditioners and fertilizers from spent sulfite liquor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2433458A (en) * | 1943-03-04 | 1947-12-30 | Infilco Inc | Treatment of pickle liquor |
| US2644748A (en) * | 1946-11-04 | 1953-07-07 | Chempatents Inc | Sulfite waste treatment process |
| US3085858A (en) * | 1959-11-09 | 1963-04-16 | Aluminium Lab Ltd | Recovery of magnesium compounds from ores |
-
1971
- 1971-09-22 US US00182832A patent/US3794718A/en not_active Expired - Lifetime
-
1972
- 1972-05-12 JP JP47046518A patent/JPS4861390A/ja active Pending
- 1972-09-14 CA CA151,760A patent/CA974353A/en not_active Expired
- 1972-09-19 AT AT801872A patent/AT319737B/de not_active IP Right Cessation
- 1972-09-20 CS CS6422A patent/CS174840B2/cs unknown
- 1972-09-21 FR FR7233422A patent/FR2153361B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3794718A (en) | 1974-02-26 |
| CA974353A (en) | 1975-09-16 |
| AT319737B (de) | 1975-01-10 |
| FR2153361A1 (https=) | 1973-05-04 |
| FR2153361B1 (https=) | 1974-01-04 |
| JPS4861390A (https=) | 1973-08-28 |