JPS6225796B2 - - Google Patents
Info
- Publication number
- JPS6225796B2 JPS6225796B2 JP13522879A JP13522879A JPS6225796B2 JP S6225796 B2 JPS6225796 B2 JP S6225796B2 JP 13522879 A JP13522879 A JP 13522879A JP 13522879 A JP13522879 A JP 13522879A JP S6225796 B2 JPS6225796 B2 JP S6225796B2
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- calcium
- added
- bleaching
- sodium
- 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
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13522879A JPS5663089A (en) | 1979-10-22 | 1979-10-22 | Deinking of waste paper pulp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13522879A JPS5663089A (en) | 1979-10-22 | 1979-10-22 | Deinking of waste paper pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5663089A JPS5663089A (en) | 1981-05-29 |
JPS6225796B2 true JPS6225796B2 (enrdf_load_stackoverflow) | 1987-06-04 |
Family
ID=15146802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13522879A Granted JPS5663089A (en) | 1979-10-22 | 1979-10-22 | Deinking of waste paper pulp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5663089A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9507710D0 (en) * | 1995-04-13 | 1995-05-31 | Ecc Int Ltd | Waste paper treatment process |
US6059927A (en) | 1997-09-23 | 2000-05-09 | Queen's University At Kingston | Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps |
GB9804068D0 (en) * | 1998-02-27 | 1998-04-22 | Mcilroy Andrew | Bleach stabiliser |
-
1979
- 1979-10-22 JP JP13522879A patent/JPS5663089A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5663089A (en) | 1981-05-29 |
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