FI981803A0 - Method for preventing the formation of precipitates - Google Patents

Method for preventing the formation of precipitates

Info

Publication number
FI981803A0
FI981803A0 FI981803A FI981803A FI981803A0 FI 981803 A0 FI981803 A0 FI 981803A0 FI 981803 A FI981803 A FI 981803A FI 981803 A FI981803 A FI 981803A FI 981803 A0 FI981803 A0 FI 981803A0
Authority
FI
Finland
Prior art keywords
precipitates
preventing
formation
Prior art date
Application number
FI981803A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI981803A (en
Inventor
Kaj Henricson
Erkki Kiiskilae
Original Assignee
Ahlstrom Machinery Oy
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 Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI981803A priority Critical patent/FI981803A/en
Publication of FI981803A0 publication Critical patent/FI981803A0/en
Priority to PCT/FI1999/000689 priority patent/WO2000011263A1/en
Publication of FI981803A publication Critical patent/FI981803A/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
    • 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
    • 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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
FI981803A 1998-08-21 1998-08-21 Procedure for preventing precipitation formation FI981803A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI981803A FI981803A (en) 1998-08-21 1998-08-21 Procedure for preventing precipitation formation
PCT/FI1999/000689 WO2000011263A1 (en) 1998-08-21 1999-08-20 Method of preventing scaling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI981803A FI981803A (en) 1998-08-21 1998-08-21 Procedure for preventing precipitation formation

Publications (2)

Publication Number Publication Date
FI981803A0 true FI981803A0 (en) 1998-08-21
FI981803A FI981803A (en) 2000-02-22

Family

ID=8552343

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981803A FI981803A (en) 1998-08-21 1998-08-21 Procedure for preventing precipitation formation

Country Status (2)

Country Link
FI (1) FI981803A (en)
WO (1) WO2000011263A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI110327B (en) * 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Process for the production of pulp
SE515970C2 (en) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Continuous boiling of pulp less used cooking liquor partly from the digester and partly from a subsequent pressure diffuser
US7241363B2 (en) 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
ES2729110T3 (en) * 2011-09-05 2019-10-30 Stora Enso Oyj Process for treating black hardwood liquor and black hardwood liquor treated according to the process
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8502807D0 (en) * 1985-06-06 1985-06-06 Ahlstroem Foeretagen SET AND DEVICE DISABLE DEVICE
CA1299322C (en) * 1987-10-26 1992-04-28 Larry A. Wilhelmsen Apparatus and methods for reducing the formation of scale in pulping operations
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
FI972954A (en) * 1997-07-11 1999-01-12 Sunds Defibrator Pori Oy Process for treating waste liquor from the manufacture of sulphate pulp

Also Published As

Publication number Publication date
WO2000011263A1 (en) 2000-03-02
FI981803A (en) 2000-02-22

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