SE390739B - Sett att minska kalciummengden i sulfitavlut pa ammoniakbas - Google Patents

Sett att minska kalciummengden i sulfitavlut pa ammoniakbas

Info

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
Application number
SE7211682A
Other languages
English (en)
Inventor
T Lahtvee
B K Sethi
W H Stark
Original Assignee
Spring Chemicals Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spring Chemicals Ltd filed Critical Spring Chemicals Ltd
Publication of SE390739B publication Critical patent/SE390739B/sv

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/02Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
SE7211682A 1971-09-22 1972-09-11 Sett att minska kalciummengden i sulfitavlut pa ammoniakbas SE390739B (sv)

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 (sv)
JP (1) JPS4841002A (sv)
AT (1) AT319738B (sv)
CA (1) CA968085A (sv)
CS (1) CS174839B2 (sv)
DE (1) DE2244466A1 (sv)
FR (1) FR2154171A5 (sv)
SE (1) SE390739B (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS4841002A (sv) 1973-06-16
FR2154171A5 (sv) 1973-05-04
AT319738B (de) 1975-01-10
CS174839B2 (sv) 1977-04-29
US3740309A (en) 1973-06-19
CA968085A (en) 1975-05-20
DE2244466A1 (de) 1973-03-29

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