CA944905A - Obtaining sulfate pulp having a predetermined kappa number - Google Patents

Obtaining sulfate pulp having a predetermined kappa number

Info

Publication number
CA944905A
CA944905A CA112,925A CA112925A CA944905A CA 944905 A CA944905 A CA 944905A CA 112925 A CA112925 A CA 112925A CA 944905 A CA944905 A CA 944905A
Authority
CA
Canada
Prior art keywords
kappa number
sulfate pulp
obtaining sulfate
predetermined
predetermined kappa
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA112,925A
Other versions
CA112925S (en
Inventor
Sture E. O. Noreus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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
Priority claimed from SE06795/70A external-priority patent/SE367451B/xx
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of CA944905A publication Critical patent/CA944905A/en
Expired legal-status Critical Current

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
    • D21C3/228—Automation of the pulping processes
CA112,925A 1970-05-15 1971-05-13 Obtaining sulfate pulp having a predetermined kappa number Expired CA944905A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE06795/70A SE367451B (en) 1970-05-15 1970-05-15
US14222671A 1971-05-11 1971-05-11
US402697A US3886034A (en) 1970-05-15 1973-10-02 Process for determining the conditions needed in controllably obtaining sulfate pulp having a predetermined kappa number

Publications (1)

Publication Number Publication Date
CA944905A true CA944905A (en) 1974-04-09

Family

ID=27354422

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,925A Expired CA944905A (en) 1970-05-15 1971-05-13 Obtaining sulfate pulp having a predetermined kappa number

Country Status (5)

Country Link
US (1) US3886034A (en)
AT (1) AT319735B (en)
CA (1) CA944905A (en)
DE (1) DE2123497C3 (en)
FR (1) FR2091637A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282931A (en) * 1992-07-08 1994-02-01 Pulp And Paper Research Institute Of Canada Determination and control of effective alkali in kraft liquors by IR spectroscopy

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941649A (en) * 1972-07-14 1976-03-02 Mo Och Domsjo Aktiebolag Process for obtaining a predetermined Kappa number in sulfate pulping
FI80526C (en) * 1986-09-08 1990-06-11 Savcor Consulting Oy Method for controlling cellulose boiling
DE9017325U1 (en) * 1990-12-21 1992-01-02 Siemens AG, 8000 München Process control system for controlling pulp production
WO1997013916A2 (en) * 1995-10-09 1997-04-17 Siemens Aktiengesellschaft Process for determining the final point of pulp cooking and an arrangement for controlling the pulp cooking time in a reactor
USD378439S (en) * 1995-11-21 1997-03-11 Industrial Molding Corporation Light support stake
USD377844S (en) * 1996-01-16 1997-02-04 Industrial Molding Corporation Light support stake
US6174409B1 (en) * 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
US6339222B1 (en) 1998-11-12 2002-01-15 Kvaerner Canada Inc. Determination of ionic species concentration by near infrared spectroscopy
US6635147B1 (en) * 2000-05-14 2003-10-21 U.S. Borax Inc. Method for analyzing boron-containing alkaline pulping liquors
BRPI1011265A2 (en) * 2009-05-06 2019-09-24 Fpinnovations pulp, method and process for producing pulp, and process for producing pulp materials.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB855708A (en) * 1956-02-27 1960-12-07 Ici Ltd Improvements in and relating to the determination and control of compositions in chemical processes by titration
US3553075A (en) * 1968-04-01 1971-01-05 Calgon Corp Method for controlling the hydroxide ion concentration in pulp digestion liquor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282931A (en) * 1992-07-08 1994-02-01 Pulp And Paper Research Institute Of Canada Determination and control of effective alkali in kraft liquors by IR spectroscopy
US5364502A (en) * 1992-07-08 1994-11-15 Pulp & Paper Research Institute Of Canada Control of recovery boiler operation by IR spectroscopy
US5378320A (en) * 1992-07-08 1995-01-03 Pulp & Paper Research Institute Of Canada Control of recausticizing system operation by IR spectroscopys

Also Published As

Publication number Publication date
FR2091637A5 (en) 1972-01-14
DE2123497A1 (en) 1971-11-25
DE2123497B2 (en) 1977-11-24
DE2123497C3 (en) 1978-08-03
AT319735B (en) 1975-01-10
US3886034A (en) 1975-05-27

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