CS223859B2 - Method of decreasing the contamination of waters by making the bleached sulphite cellulose - Google Patents
Method of decreasing the contamination of waters by making the bleached sulphite cellulose Download PDFInfo
- Publication number
- CS223859B2 CS223859B2 CS742562A CS256274A CS223859B2 CS 223859 B2 CS223859 B2 CS 223859B2 CS 742562 A CS742562 A CS 742562A CS 256274 A CS256274 A CS 256274A CS 223859 B2 CS223859 B2 CS 223859B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- liquor
- waste liquor
- bleaching
- process according
- base
- Prior art date
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
Landscapes
- Paper (AREA)
- Treating Waste Gases (AREA)
- Removal Of Specific Substances (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI1100/73A FI51604B (ja) | 1973-04-09 | 1973-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CS223859B2 true CS223859B2 (en) | 1983-11-25 |
Family
ID=8505103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS742562A CS223859B2 (en) | 1973-04-09 | 1974-04-09 | Method of decreasing the contamination of waters by making the bleached sulphite cellulose |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5040801A (ja) |
AT (1) | ATA295574A (ja) |
CA (1) | CA1025158A (ja) |
CH (1) | CH609395A5 (ja) |
CS (1) | CS223859B2 (ja) |
DE (1) | DE2417084C3 (ja) |
FI (1) | FI51604B (ja) |
FR (1) | FR2224589B3 (ja) |
NO (1) | NO141858B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS579258B1 (ja) * | 1971-05-15 | 1982-02-20 | ||
US4155804A (en) * | 1975-03-17 | 1979-05-22 | International Telephone And Telegraph Corporation | Removal of volatile organic components from spent sulfite effluent |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
-
1973
- 1973-04-09 FI FI1100/73A patent/FI51604B/fi active
-
1974
- 1974-04-05 NO NO741270A patent/NO141858B/no unknown
- 1974-04-08 DE DE2417084A patent/DE2417084C3/de not_active Expired
- 1974-04-08 CH CH486174A patent/CH609395A5/xx not_active IP Right Cessation
- 1974-04-08 CA CA197,020A patent/CA1025158A/en not_active Expired
- 1974-04-09 CS CS742562A patent/CS223859B2/cs unknown
- 1974-04-09 FR FR7412406A patent/FR2224589B3/fr not_active Expired
- 1974-04-09 AT AT742955A patent/ATA295574A/de not_active Application Discontinuation
- 1974-04-09 JP JP49040872A patent/JPS5040801A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2224589A1 (ja) | 1974-10-31 |
FR2224589B3 (ja) | 1978-05-05 |
JPS5040801A (ja) | 1975-04-14 |
DE2417084C3 (de) | 1986-01-02 |
CA1025158A (en) | 1978-01-31 |
CH609395A5 (en) | 1979-02-28 |
DE2417084A1 (de) | 1974-10-24 |
DE2417084B2 (de) | 1978-12-14 |
NO141858B (no) | 1980-02-11 |
ATA295574A (de) | 1978-01-15 |
FI51604B (ja) | 1976-11-01 |
NO741270L (no) | 1974-10-10 |
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