CA989561A - Coking of waste kraft pulping liquors at lowered ph - Google Patents
Coking of waste kraft pulping liquors at lowered phInfo
- Publication number
- CA989561A CA989561A CA162,881A CA162881A CA989561A CA 989561 A CA989561 A CA 989561A CA 162881 A CA162881 A CA 162881A CA 989561 A CA989561 A CA 989561A
- Authority
- CA
- Canada
- Prior art keywords
- coking
- lowered
- kraft pulping
- pulping liquors
- waste kraft
- 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
- 239000002655 kraft paper 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22560672A | 1972-02-11 | 1972-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA989561A true CA989561A (en) | 1976-05-25 |
Family
ID=22845529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA162,881A Expired CA989561A (en) | 1972-02-11 | 1973-02-05 | Coking of waste kraft pulping liquors at lowered ph |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS512521B2 (enrdf_load_stackoverflow) |
| CA (1) | CA989561A (enrdf_load_stackoverflow) |
| DE (1) | DE2248134A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2163251A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1356074A (enrdf_load_stackoverflow) |
| IT (1) | IT973216B (enrdf_load_stackoverflow) |
| SE (1) | SE382085B (enrdf_load_stackoverflow) |
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 |
|---|---|
| GB1356074A (en) | 1974-06-12 |
| JPS512521B2 (enrdf_load_stackoverflow) | 1976-01-27 |
| SE382085B (sv) | 1976-01-12 |
| FR2163251A5 (enrdf_load_stackoverflow) | 1973-07-20 |
| IT973216B (it) | 1974-06-10 |
| DE2248134A1 (de) | 1973-08-16 |
| JPS4892605A (enrdf_load_stackoverflow) | 1973-12-01 |
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