ATA295574A - Umweltschonendes verfahren fur herstellung von gebleichtem sulfitzellstoff - Google Patents
Umweltschonendes verfahren fur herstellung von gebleichtem sulfitzellstoffInfo
- Publication number
- ATA295574A ATA295574A AT742955A AT295574A ATA295574A AT A295574 A ATA295574 A AT A295574A AT 742955 A AT742955 A AT 742955A AT 295574 A AT295574 A AT 295574A AT A295574 A ATA295574 A AT A295574A
- Authority
- AT
- Austria
- Prior art keywords
- production
- environmentally friendly
- friendly process
- sulphite pulp
- white
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI1100/73A FI51604B (fr) | 1973-04-09 | 1973-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATA295574A true ATA295574A (de) | 1978-01-15 |
Family
ID=8505103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT742955A ATA295574A (de) | 1973-04-09 | 1974-04-09 | Umweltschonendes verfahren fur herstellung von gebleichtem sulfitzellstoff |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5040801A (fr) |
| AT (1) | ATA295574A (fr) |
| CA (1) | CA1025158A (fr) |
| CH (1) | CH609395A5 (fr) |
| CS (1) | CS223859B2 (fr) |
| DE (1) | DE2417084C3 (fr) |
| FI (1) | FI51604B (fr) |
| FR (1) | FR2224589B3 (fr) |
| NO (1) | NO141858B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS579258B1 (fr) * | 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/fr not_active Expired
- 1974-04-09 JP JP49040872A patent/JPS5040801A/ja active Pending
- 1974-04-09 AT AT742955A patent/ATA295574A/de not_active Application Discontinuation
- 1974-04-09 CS CS742562A patent/CS223859B2/cs unknown
- 1974-04-09 FR FR7412406A patent/FR2224589B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2224589B3 (fr) | 1978-05-05 |
| CA1025158A (fr) | 1978-01-31 |
| NO141858B (no) | 1980-02-11 |
| CH609395A5 (en) | 1979-02-28 |
| FI51604B (fr) | 1976-11-01 |
| JPS5040801A (fr) | 1975-04-14 |
| DE2417084A1 (de) | 1974-10-24 |
| FR2224589A1 (fr) | 1974-10-31 |
| DE2417084C3 (de) | 1986-01-02 |
| CS223859B2 (en) | 1983-11-25 |
| DE2417084B2 (de) | 1978-12-14 |
| NO741270L (no) | 1974-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| A1V | Refusal |