CS174131B2 - - Google Patents

Info

Publication number
CS174131B2
CS174131B2 CS3150A CS315074A CS174131B2 CS 174131 B2 CS174131 B2 CS 174131B2 CS 3150 A CS3150 A CS 3150A CS 315074 A CS315074 A CS 315074A CS 174131 B2 CS174131 B2 CS 174131B2
Authority
CS
Czechoslovakia
Application number
CS3150A
Other languages
Czech (cs)
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 filed Critical
Publication of CS174131B2 publication Critical patent/CS174131B2/cs

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
CS3150A 1973-05-03 1974-05-02 CS174131B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356716A US3873415A (en) 1973-05-03 1973-05-03 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

Publications (1)

Publication Number Publication Date
CS174131B2 true CS174131B2 (ja) 1977-03-31

Family

ID=23402643

Family Applications (1)

Application Number Title Priority Date Filing Date
CS3150A CS174131B2 (ja) 1973-05-03 1974-05-02

Country Status (9)

Country Link
US (1) US3873415A (ja)
JP (1) JPS5013603A (ja)
AT (1) AT334196B (ja)
BR (1) BR7403580D0 (ja)
CA (1) CA1017505A (ja)
CS (1) CS174131B2 (ja)
DD (1) DD112795A5 (ja)
DE (1) DE2419326C3 (ja)
FR (1) FR2228133B1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI972954A (fi) * 1997-07-11 1999-01-12 Sunds Defibrator Pori Oy Menetelmä sulfaattimassan valmistuksessa syntyvän jätelipeän käsittelemiseksi

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1834845A (en) * 1929-09-23 1931-12-01 Courtaulds Ltd Treatment of waste liquors
US2644748A (en) * 1946-11-04 1953-07-07 Chempatents Inc Sulfite waste treatment process
US2739039A (en) * 1951-08-24 1956-03-20 Allied Chem & Dye Corp Treatment of waste ammonium sulfite pulping liquors
BE517582A (ja) * 1952-02-21
US3812235A (en) * 1968-02-12 1974-05-21 Spring Chemicals Ltd Process for treating magnesium-base waste sulfite liquor
DE2006326C3 (de) * 1969-02-12 1975-08-07 Spring Chemicals Ltd., Toronto, Ontario (Kanada) Verfahren zur Behandlung von Sulfitablaugen
CA928009A (en) * 1969-12-27 1973-06-12 Mita Akio Method for manufacturing sulfite pulp cooking liquor from sulfite pulp spent liquor
US3740309A (en) * 1971-09-22 1973-06-19 T Lahtvee Process for treating ammonia-base waste sulfite liquor
US3794718A (en) * 1971-09-22 1974-02-26 Spring Chemicals Ltd Process for reducing the amount of calcium contained in magnesium-base waste sulfite liquor by the use of an ammonium compound and additional calcium

Also Published As

Publication number Publication date
DE2419326B2 (de) 1979-02-15
CA1017505A (en) 1977-09-20
DE2419326A1 (de) 1974-11-14
DD112795A5 (ja) 1975-05-05
AT334196B (de) 1976-01-10
DE2419326C3 (de) 1979-10-18
BR7403580D0 (pt) 1974-11-19
FR2228133B1 (ja) 1979-08-03
FR2228133A1 (ja) 1974-11-29
US3873415A (en) 1975-03-25
JPS5013603A (ja) 1975-02-13
ATA348674A (de) 1976-04-15

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