FI87811C - Kemisk aotervinningsprocess - Google Patents

Kemisk aotervinningsprocess

Info

Publication number
FI87811C
FI87811C FI880167A FI880167A FI87811C FI 87811 C FI87811 C FI 87811C FI 880167 A FI880167 A FI 880167A FI 880167 A FI880167 A FI 880167A FI 87811 C FI87811 C FI 87811C
Authority
FI
Finland
Prior art keywords
aeration process
chemical aeration
chemical
aeration
Prior art date
Application number
FI880167A
Other languages
English (en)
Swedish (sv)
Other versions
FI880167A0 (fi
FI87811B (fi
FI880167A (fi
Inventor
Arthur Lionel Kohl
Albert Earl Stewart
Original Assignee
Rockwell International 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 Rockwell International Corp filed Critical Rockwell International Corp
Publication of FI880167A0 publication Critical patent/FI880167A0/fi
Publication of FI880167A publication Critical patent/FI880167A/fi
Application granted granted Critical
Publication of FI87811B publication Critical patent/FI87811B/fi
Publication of FI87811C publication Critical patent/FI87811C/fi

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/122—Treatment, e.g. dissolution, of the smelt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor
FI880167A 1987-01-30 1988-01-15 Kemisk aotervinningsprocess FI87811C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/008,989 US4761204A (en) 1987-01-30 1987-01-30 Chemical recovery process using break up steam control to prevent smelt explosions
US898987 1987-01-30

Publications (4)

Publication Number Publication Date
FI880167A0 FI880167A0 (fi) 1988-01-15
FI880167A FI880167A (fi) 1988-07-31
FI87811B FI87811B (fi) 1992-11-13
FI87811C true FI87811C (fi) 1996-01-03

Family

ID=21734899

Family Applications (1)

Application Number Title Priority Date Filing Date
FI880167A FI87811C (fi) 1987-01-30 1988-01-15 Kemisk aotervinningsprocess

Country Status (6)

Country Link
US (1) US4761204A (fi)
JP (1) JPS63203891A (fi)
CA (1) CA1285354C (fi)
FI (1) FI87811C (fi)
NO (1) NO173456C (fi)
SE (1) SE465782B (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204069A (en) * 1991-10-07 1993-04-20 Westvaco Corporation Recovery boiler smelt shattering spray
DE4344552A1 (de) * 1993-12-24 1995-06-29 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zur Ausstattung von Wertpapieren mit Echtheitsmerkmalen
JPH08170802A (ja) * 1994-11-02 1996-07-02 Kopuran:Kk 減圧蒸気式加熱装置の消音方法及び減圧蒸気式加熱装置
US5624470A (en) * 1995-12-22 1997-04-29 Combustion Engineering, Inc. Black liquor gasification with integrated warm-up and purge
FR2870154B1 (fr) * 2004-05-13 2012-12-14 Bio 3D Applic Procede et systeme bio-thermiques pour stabiliser des bois d'oeuvre
FI121313B2 (fi) * 2005-08-11 2015-06-10 Metso Power Oy Soodakattilan sularännialueen suojausjärjestely
US7735435B2 (en) * 2006-05-24 2010-06-15 Diamond Power International, Inc. Apparatus for cleaning a smelt spout of a combustion device
US7806127B2 (en) * 2006-09-29 2010-10-05 Alstom Technology Ltd Smelt spout enclosure for chemical recovery boilers
CN101746781B (zh) * 2009-12-11 2012-07-25 贵州赤天化纸业股份有限公司 碱回收炉溶解槽内壁的保护装置
US10557235B2 (en) * 2017-07-21 2020-02-11 Andritz Inc. Ultrasonic semelt dissolving and shattering system
US12071723B2 (en) * 2020-09-10 2024-08-27 The Babcock & Wilcox Company Smelt shattering method and apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967758A (en) * 1956-06-21 1961-01-10 Babcock & Wilcox Co Method of and apparatus for disintegrating and dispersing a molten smelt stream
US3122421A (en) * 1959-07-13 1964-02-25 Combustion Eng Apparatus and method of operating a chemical recovery furnace
US4017254A (en) * 1975-12-15 1977-04-12 S. J. Agnew Recirculating furnace-dryer combination
US4312702A (en) * 1980-05-06 1982-01-26 Domtar Inc. Fluidized bed start up and operation
JPS57161188A (en) * 1981-03-31 1982-10-04 Oji Paper Co Smell grinding method
JPS5947493A (ja) * 1982-09-13 1984-03-17 バブコツク日立株式会社 スラツジ混合撹拌装置
SU1150283A1 (en) * 1983-05-24 1985-04-15 Z Vtuz Pri Proizv Obedinenii T Device for automatic controlling of spray of black-liquor recovery furnace cake of fusion

Also Published As

Publication number Publication date
FI880167A0 (fi) 1988-01-15
US4761204A (en) 1988-08-02
SE8703766D0 (sv) 1987-09-30
NO173456B (no) 1993-09-06
JPS63203891A (ja) 1988-08-23
FI87811B (fi) 1992-11-13
SE465782B (sv) 1991-10-28
NO875365D0 (no) 1987-12-21
NO875365L (no) 1988-08-01
NO173456C (no) 1993-12-15
SE8703766L (sv) 1988-07-31
FI880167A (fi) 1988-07-31
CA1285354C (en) 1991-07-02

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: ROCKWELL INTERNATIONAL CORPORATION