BR7703215A - Processo para a fabricacao de polpa de celulose - Google Patents

Processo para a fabricacao de polpa de celulose

Info

Publication number
BR7703215A
BR7703215A BR3215/77A BR7703215A BR7703215A BR 7703215 A BR7703215 A BR 7703215A BR 3215/77 A BR3215/77 A BR 3215/77A BR 7703215 A BR7703215 A BR 7703215A BR 7703215 A BR7703215 A BR 7703215A
Authority
BR
Brazil
Prior art keywords
manufacture
cellulose pulp
pulp
cellulose
Prior art date
Application number
BR3215/77A
Other languages
English (en)
Inventor
R Andrew
W Wojtowicz
C Berthold
Original Assignee
Sappi 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 Sappi Ltd filed Critical Sappi Ltd
Publication of BR7703215A publication Critical patent/BR7703215A/pt

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
BR3215/77A 1976-05-19 1977-05-18 Processo para a fabricacao de polpa de celulose BR7703215A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA762995A ZA762995B (en) 1976-05-19 1976-05-19 Improvements relating to recovery of chemicals

Publications (1)

Publication Number Publication Date
BR7703215A true BR7703215A (pt) 1978-01-31

Family

ID=25570328

Family Applications (1)

Application Number Title Priority Date Filing Date
BR3215/77A BR7703215A (pt) 1976-05-19 1977-05-18 Processo para a fabricacao de polpa de celulose

Country Status (6)

Country Link
US (1) US4138312A (pt)
JP (1) JPS52152503A (pt)
BR (1) BR7703215A (pt)
CA (1) CA1096110A (pt)
MX (1) MX145631A (pt)
ZA (1) ZA762995B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67732C (fi) * 1982-10-20 1985-05-10 Tampella Oy Ab Saett att aotervinna kemikalier fraon kloridhaltig groenlut
CH686682A5 (de) * 1992-05-05 1996-05-31 Granit Sa Herstellung von Zellstoff nach dem S.A.P.-Verfahren.
US5911959A (en) * 1993-05-25 1999-06-15 Environmental Projects, Inc. Method for purification and production of saline minerals from trona
FI95608B (fi) * 1994-06-17 1995-11-15 Ahlstroem Oy Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä
TR200002222T2 (tr) 1998-01-28 2000-12-21 Environmental Projects,Inc. Sodyum karbonatın yeniden kristalleştirilmesi
US6699447B1 (en) 1999-01-08 2004-03-02 American Soda, Llp Sodium bicarbonate production from nahcolite
US6609761B1 (en) 1999-01-08 2003-08-26 American Soda, Llp Sodium carbonate and sodium bicarbonate production from nahcolitic oil shale
US6464736B1 (en) 1999-08-05 2002-10-15 Environmental Projects, Inc. Recrystallization process
US11608385B2 (en) 2015-10-30 2023-03-21 Cellulose Sciences International, Inc Alternative post treatment for stabilizing highly disordered celluloses
FI127474B (fi) 2017-01-20 2018-06-29 Valmet Technologies Oy Menetelmä ja järjestelmä lämmön talteenottamiseksi soodakattilan liuotussäiliön toimintaan liittyen
WO2018204061A1 (en) * 2017-05-02 2018-11-08 Cellulose Sciences International, Inc. Treatment of brown stock
CN115924938A (zh) * 2022-12-30 2023-04-07 华融化学股份有限公司 一种食品级碳酸钾和食品级碳酸氢钾的生产工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1906886A (en) * 1927-11-23 1933-05-02 Brown Co Process of recovering and utilizing the valuable compounds in spent cooking liquors
US2120287A (en) * 1935-06-15 1938-06-14 Mathieson Alkali Works Inc Production of sodium carbonate monohydrate
US2842489A (en) * 1957-03-05 1958-07-08 Struthers Wells Corp Production of soda ash
FR1375278A (fr) * 1962-09-15 1964-10-16 Dominion Tar & Chemical Co Perfectionnements à la fabrication de pâtes cellulosiques
US3367735A (en) * 1965-09-23 1968-02-06 Container Corp Separation and recovery of sodium sulfate and sodium carbonate from admixtures thereof
SE362453C (sv) * 1971-02-05 1976-02-26 Mo Och Domsjoe Ab Sett att forhindra utslepp av klorhaltiga fororeningar vid natriumbaserade cellulosafabriker
JPS5510716B2 (pt) * 1971-11-02 1980-03-18
US3909344A (en) * 1973-12-03 1975-09-30 Erco Envirotech Ltd Removal of sodium chloride from pulp mill operations
US3954552A (en) * 1974-08-05 1976-05-04 Erco Envirotech Ltd. Removal of sodium chloride from pulp mill systems

Also Published As

Publication number Publication date
MX145631A (es) 1982-03-17
US4138312A (en) 1979-02-06
CA1096110A (en) 1981-02-24
JPS52152503A (en) 1977-12-19
ZA762995B (en) 1977-07-27

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