JPS512521B2 - - Google Patents
Info
- Publication number
- JPS512521B2 JPS512521B2 JP875573A JP875573A JPS512521B2 JP S512521 B2 JPS512521 B2 JP S512521B2 JP 875573 A JP875573 A JP 875573A JP 875573 A JP875573 A JP 875573A JP S512521 B2 JPS512521 B2 JP S512521B2
- Authority
- JP
- Japan
- 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
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22560672A | 1972-02-11 | 1972-02-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4892605A JPS4892605A (https=) | 1973-12-01 |
| JPS512521B2 true JPS512521B2 (https=) | 1976-01-27 |
Family
ID=22845529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP875573A Expired JPS512521B2 (https=) | 1972-02-11 | 1973-01-22 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS512521B2 (https=) |
| CA (1) | CA989561A (https=) |
| DE (1) | DE2248134A1 (https=) |
| FR (1) | FR2163251A5 (https=) |
| GB (1) | GB1356074A (https=) |
| IT (1) | IT973216B (https=) |
| SE (1) | SE382085B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587187B (zh) * | 2012-02-10 | 2014-06-04 | 中国科学院过程工程研究所 | 一种基于造纸黑液的碱回收方法 |
-
1972
- 1972-02-11 SE SE17172A patent/SE382085B/xx unknown
- 1972-09-30 DE DE19722248134 patent/DE2248134A1/de active Pending
- 1972-11-16 GB GB5291572A patent/GB1356074A/en not_active Expired
- 1972-12-26 FR FR7246148A patent/FR2163251A5/fr not_active Expired
- 1972-12-29 IT IT3394472A patent/IT973216B/it active
-
1973
- 1973-01-22 JP JP875573A patent/JPS512521B2/ja not_active Expired
- 1973-02-05 CA CA162,881A patent/CA989561A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2163251A5 (https=) | 1973-07-20 |
| JPS4892605A (https=) | 1973-12-01 |
| GB1356074A (en) | 1974-06-12 |
| DE2248134A1 (de) | 1973-08-16 |
| SE382085B (sv) | 1976-01-12 |
| IT973216B (it) | 1974-06-10 |
| CA989561A (en) | 1976-05-25 |