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FI964852A - Menetelmä ja laite massan retentioajan valvomiseksi automaattisesti - Google Patents

Menetelmä ja laite massan retentioajan valvomiseksi automaattisesti Download PDF

Info

Publication number
FI964852A
FI964852A FI964852A FI964852A FI964852A FI 964852 A FI964852 A FI 964852A FI 964852 A FI964852 A FI 964852A FI 964852 A FI964852 A FI 964852A FI 964852 A FI964852 A FI 964852A
Authority
FI
Finland
Prior art keywords
retention time
automatically monitoring
pulp retention
monitoring pulp
automatically
Prior art date
Application number
FI964852A
Other languages
English (en)
Swedish (sv)
Other versions
FI964852A0 (fi
FI111962B (fi
Inventor
Patrick J Foody
Brian W Creber
Original Assignee
Iogen Corp
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 Iogen Corp filed Critical Iogen Corp
Publication of FI964852A0 publication Critical patent/FI964852A0/fi
Publication of FI964852A publication Critical patent/FI964852A/fi
Application granted granted Critical
Publication of FI111962B publication Critical patent/FI111962B/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/343—Paper pulp
    • 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
    • D21C7/12—Devices for regulating or controlling

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
FI964852A 1995-12-07 1996-12-04 Menetelmä ja laite sellumassan retentioajan automaattiseksi valvomiseksi FI111962B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/568,516 US5755928A (en) 1995-12-07 1995-12-07 Method for automated monitoring of pulp retention time using an iodide salt as a tracer
US56851695 1995-12-07

Publications (3)

Publication Number Publication Date
FI964852A0 FI964852A0 (fi) 1996-12-04
FI964852A true FI964852A (fi) 1997-06-08
FI111962B FI111962B (fi) 2003-10-15

Family

ID=24271621

Family Applications (1)

Application Number Title Priority Date Filing Date
FI964852A FI111962B (fi) 1995-12-07 1996-12-04 Menetelmä ja laite sellumassan retentioajan automaattiseksi valvomiseksi

Country Status (4)

Country Link
US (2) US5755928A (fi)
CA (1) CA2192406C (fi)
FI (1) FI111962B (fi)
SE (1) SE515939C2 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8364185B2 (en) * 2005-04-18 2013-01-29 Samsung Electronics Co., Ltd. Method and system for synchronizing a clock for an adjacent network to a clock for an overlay network
US8057635B2 (en) * 2006-08-10 2011-11-15 Iogen Energy Corporation Method and system for the large scale collection, preparation, handling and refining of ligno-cellulosic biomass
US8157955B2 (en) 2006-08-10 2012-04-17 Iogen Energy Corporation Method and system for the large scale collection of ligno-cellulosic biomass

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298426A (en) * 1979-06-15 1981-11-03 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence
US4295927A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen and storing the treated pulp
US4298427A (en) * 1979-06-15 1981-11-03 Weyerhaeuser Company Method and apparatus for intimately mixing oxygen and pulp while using an alkali to extract bleaching by-products
US4783314A (en) * 1987-02-26 1988-11-08 Nalco Chemical Company Fluorescent tracers - chemical treatment monitors
US4946555A (en) * 1989-01-19 1990-08-07 Canadian Liquid Air Ltd./Air Liquide Canada Apparatus and method for measuring vent gas flow rates and parameters in pulp and paper processing
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp

Also Published As

Publication number Publication date
SE9604380L (sv) 1997-06-08
SE9604380D0 (sv) 1996-11-28
US5755928A (en) 1998-05-26
FI964852A0 (fi) 1996-12-04
SE515939C2 (sv) 2001-10-29
US6017420A (en) 2000-01-25
CA2192406C (en) 2003-11-18
FI111962B (fi) 2003-10-15
CA2192406A1 (en) 1997-06-08

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Legal Events

Date Code Title Description
MA Patent expired