SE390739B - Sett att minska kalciummengden i sulfitavlut pa ammoniakbas - Google Patents
Sett att minska kalciummengden i sulfitavlut pa ammoniakbasInfo
- Publication number
- SE390739B SE390739B SE7211682A SE1168272A SE390739B SE 390739 B SE390739 B SE 390739B SE 7211682 A SE7211682 A SE 7211682A SE 1168272 A SE1168272 A SE 1168272A SE 390739 B SE390739 B SE 390739B
- Authority
- SE
- Sweden
- Prior art keywords
- salve
- sulphite
- calcium
- reduce
- way
- 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 |
|---|---|---|---|
| US18283171A | 1971-09-22 | 1971-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE390739B true SE390739B (sv) | 1977-01-17 |
Family
ID=22670233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7211682A SE390739B (sv) | 1971-09-22 | 1972-09-11 | Sett att minska kalciummengden i sulfitavlut pa ammoniakbas |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3740309A (xx) |
| JP (1) | JPS4841002A (xx) |
| AT (1) | AT319738B (xx) |
| CA (1) | CA968085A (xx) |
| CS (1) | CS174839B2 (xx) |
| DE (1) | DE2244466A1 (xx) |
| FR (1) | FR2154171A5 (xx) |
| SE (1) | SE390739B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3873415A (en) * | 1973-05-03 | 1975-03-25 | Spring Chemicals Ltd | Process for reducing the amount of calcium contained in sodium-base waste sulfite liquor by the use of a sodium and/or an ammonium compound and additional calcium |
| IE47093B1 (en) * | 1977-06-23 | 1983-12-14 | Triplex Safety Glass Co | Improvements in or relating to toughened glass sheets and method for their production |
| US7402777B2 (en) * | 2004-05-20 | 2008-07-22 | Alexza Pharmaceuticals, Inc. | Stable initiator compositions and igniters |
-
1971
- 1971-09-22 US US00182831A patent/US3740309A/en not_active Expired - Lifetime
-
1972
- 1972-05-12 JP JP47046519A patent/JPS4841002A/ja active Pending
- 1972-09-11 DE DE2244466A patent/DE2244466A1/de active Pending
- 1972-09-11 SE SE7211682A patent/SE390739B/xx unknown
- 1972-09-14 CA CA151,761A patent/CA968085A/en not_active Expired
- 1972-09-19 AT AT801972A patent/AT319738B/de not_active IP Right Cessation
- 1972-09-20 CS CS6421A patent/CS174839B2/cs unknown
- 1972-09-21 FR FR7233421A patent/FR2154171A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4841002A (xx) | 1973-06-16 |
| FR2154171A5 (xx) | 1973-05-04 |
| AT319738B (de) | 1975-01-10 |
| CS174839B2 (xx) | 1977-04-29 |
| US3740309A (en) | 1973-06-19 |
| CA968085A (en) | 1975-05-20 |
| DE2244466A1 (de) | 1973-03-29 |
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