BR8805152A - PROCESS FOR REDUCING SCALE FORMATION AND APPLIANCE TO REDUCE SCALE FORMATION IN THE TREATMENT OF CELLULOSIC MATERIAL - Google Patents

PROCESS FOR REDUCING SCALE FORMATION AND APPLIANCE TO REDUCE SCALE FORMATION IN THE TREATMENT OF CELLULOSIC MATERIAL

Info

Publication number
BR8805152A
BR8805152A BR8805152A BR8805152A BR8805152A BR 8805152 A BR8805152 A BR 8805152A BR 8805152 A BR8805152 A BR 8805152A BR 8805152 A BR8805152 A BR 8805152A BR 8805152 A BR8805152 A BR 8805152A
Authority
BR
Brazil
Prior art keywords
scale formation
appliance
treatment
cellulosic material
reducing
Prior art date
Application number
BR8805152A
Other languages
Portuguese (pt)
Inventor
Larry A Wilhelmsen
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of BR8805152A publication Critical patent/BR8805152A/en

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/226—Use of compounds avoiding scale formation
    • 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
    • D21C7/00—Digesters
BR8805152A 1987-10-26 1988-10-06 PROCESS FOR REDUCING SCALE FORMATION AND APPLIANCE TO REDUCE SCALE FORMATION IN THE TREATMENT OF CELLULOSIC MATERIAL BR8805152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11208187A 1987-10-26 1987-10-26

Publications (1)

Publication Number Publication Date
BR8805152A true BR8805152A (en) 1989-05-16

Family

ID=22342018

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8805152A BR8805152A (en) 1987-10-26 1988-10-06 PROCESS FOR REDUCING SCALE FORMATION AND APPLIANCE TO REDUCE SCALE FORMATION IN THE TREATMENT OF CELLULOSIC MATERIAL

Country Status (6)

Country Link
EP (1) EP0313730A1 (en)
JP (1) JPH01148889A (en)
BR (1) BR8805152A (en)
CA (1) CA1299322C (en)
FI (1) FI883513A (en)
NO (1) NO883329L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI972954A (en) * 1997-07-11 1999-01-12 Sunds Defibrator Pori Oy Process for treating waste liquor from the manufacture of sulphate pulp
FI981803A (en) * 1998-08-21 2000-02-22 Ahlstrom Machinery Oy Procedure for preventing precipitation formation
FI110327B (en) * 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Process for the production of pulp
JP4763917B2 (en) * 2001-05-29 2011-08-31 シチズンホールディングス株式会社 Electronic clock
SE520956C2 (en) * 2001-12-05 2003-09-16 Kvaerner Pulping Tech Continuous boiling with extra residence time for drained liquid outside the boiler
US7241363B2 (en) 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
PT2753750T (en) * 2011-09-05 2019-06-06 Stora Enso Oyj Process for treating hardwood black liquor and hardwood black liquor treated according to the process
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945205A (en) * 1929-11-15 1934-01-30 Chemipulp Process Inc Paper manufacture
US2008839A (en) * 1932-09-15 1935-07-23 Samson Torsten Method and means for cleaning sulphite cellulose preheaters
SE8502807D0 (en) * 1985-06-06 1985-06-06 Ahlstroem Foeretagen SET AND DEVICE DISABLE DEVICE

Also Published As

Publication number Publication date
EP0313730A1 (en) 1989-05-03
CA1299322C (en) 1992-04-28
NO883329L (en) 1989-04-27
FI883513A (en) 1989-04-27
JPH01148889A (en) 1989-06-12
NO883329D0 (en) 1988-07-27
FI883513A0 (en) 1988-07-26

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Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))