SE389520B - Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial - Google Patents

Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial

Info

Publication number
SE389520B
SE389520B SE7311940A SE7311940A SE389520B SE 389520 B SE389520 B SE 389520B SE 7311940 A SE7311940 A SE 7311940A SE 7311940 A SE7311940 A SE 7311940A SE 389520 B SE389520 B SE 389520B
Authority
SE
Sweden
Prior art keywords
hydrolysate
fiber material
continuous extraction
finely distributed
distributed fiber
Prior art date
Application number
SE7311940A
Other languages
English (en)
Swedish (sv)
Other versions
SE7311940L (de
Inventor
J C F C Richter
Original Assignee
Kamyr 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
Application filed by Kamyr Ab filed Critical Kamyr Ab
Priority to SE7311940A priority Critical patent/SE389520B/xx
Priority to DE2439077A priority patent/DE2439077C3/de
Priority to FR7428417A priority patent/FR2242510B1/fr
Priority to FI2437/74A priority patent/FI55877C/fi
Priority to US05/500,900 priority patent/US4174997A/en
Priority to CA208,238A priority patent/CA1038113A/en
Priority to BR7239/74A priority patent/BR7407239D0/pt
Priority to JP49099997A priority patent/JPS5053603A/ja
Publication of SE7311940L publication Critical patent/SE7311940L/xx
Publication of SE389520B publication Critical patent/SE389520B/xx

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
SE7311940A 1973-09-03 1973-09-03 Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial SE389520B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE7311940A SE389520B (sv) 1973-09-03 1973-09-03 Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial
DE2439077A DE2439077C3 (de) 1973-09-03 1974-08-14 Vorrichtung zur kontinuierlichen Hydrolyse eines feinzerteilten zellulosehaltigen Materials
FR7428417A FR2242510B1 (de) 1973-09-03 1974-08-19
FI2437/74A FI55877C (fi) 1973-09-03 1974-08-19 Apparat foer kontinuerlig utvinning av hydrolysat ur finfoerdelat fibermaterial
US05/500,900 US4174997A (en) 1973-09-03 1974-08-26 Method and apparatus for continuous hydrolysis of cellulosic fiber material
CA208,238A CA1038113A (en) 1973-09-03 1974-08-30 Hydrolysis treatment
BR7239/74A BR7407239D0 (pt) 1973-09-03 1974-08-30 Processo e aparelho para hidrolise continua de material de fibras finamente divididas
JP49099997A JPS5053603A (de) 1973-09-03 1974-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7311940A SE389520B (sv) 1973-09-03 1973-09-03 Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial

Publications (2)

Publication Number Publication Date
SE7311940L SE7311940L (de) 1975-03-04
SE389520B true SE389520B (sv) 1976-11-08

Family

ID=20318409

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7311940A SE389520B (sv) 1973-09-03 1973-09-03 Apparat for kontinuerlig utvinning av hydrolysat ur finfordelat fibermaterial

Country Status (8)

Country Link
US (1) US4174997A (de)
JP (1) JPS5053603A (de)
BR (1) BR7407239D0 (de)
CA (1) CA1038113A (de)
DE (1) DE2439077C3 (de)
FI (1) FI55877C (de)
FR (1) FR2242510B1 (de)
SE (1) SE389520B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4123318A (en) * 1976-06-29 1978-10-31 Kamyr, Inc. Three-vessel treatment system
US4071399A (en) * 1976-09-01 1978-01-31 Kamyr, Inc. Apparatus and method for the displacement impregnation of cellulosic chips material
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
DE2744067C3 (de) * 1977-09-30 1982-05-06 Hans Dipl.-Ing. 7758 Meersburg Knauth Verfahren zur kontinuierlichen Hydrolyse von pflanzlichen Stoffen
US4221632A (en) * 1979-04-03 1980-09-09 Weyerhaeuser Company Method and apparatus for determining the location of the chip level in a pulping digester
CA1173380A (en) * 1980-02-19 1984-08-28 Michael I. Sherman Acid hydrolysis of biomass for ethanol production
US4385172A (en) * 1980-03-24 1983-05-24 International Paper Company Prevention of hornification of dissolving pulp
FI63267B (fi) * 1980-12-08 1983-01-31 Ahlstroem Oy Foerfarande foer framstaellning av specialcellulosa med hoegt alfatal genom flerstegskokning innefattande syrafoerhydrolys
US4436586A (en) 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
US4557905A (en) * 1983-06-10 1985-12-10 Kamyr, Inc. Leaching and washing a flocculated slurry having a fiber content
US4501721A (en) * 1983-06-10 1985-02-26 Kamyr, Inc. Leaching and washing a flocculated slurry having a fiber content
US4668340A (en) * 1984-03-20 1987-05-26 Kamyr, Inc. Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material
US4816234A (en) * 1985-05-10 1989-03-28 Kamyr, Inc. Utilization of oxygen in leaching and/or recovery procedures employing carbon
GB2181166B (en) * 1985-10-01 1989-02-01 Shell Int Research Method of preparing a pumpable slurry
AT387247B (de) * 1987-05-12 1988-12-27 Voest Alpine Ind Anlagen Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural
FI103898B (fi) * 1994-01-24 1999-10-15 Sunds Defibrator Pori Oy Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6123808A (en) * 1997-12-09 2000-09-26 Ahlstrom Machinery Inc. Distribution of dilution liquor to the discharge of a cellulose pulp digester
US5876505A (en) * 1998-01-13 1999-03-02 Thermo Fibergen, Inc. Method of producing glucose from papermaking sludge using concentrated or dilute acid hydrolysis
US8317975B2 (en) 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
PL1883731T3 (pl) * 2005-05-24 2016-03-31 Int Paper Co Zmodyfikowana siarczanowa masa włóknista
US7815741B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815876B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
US9260818B2 (en) * 2007-05-23 2016-02-16 Andritz Inc. Single vessel reactor system for hydrolysis and digestion of wood chips with chemical enhanced wash method
FI126649B (fi) * 2010-06-07 2017-03-31 Aalto Univ Found Uusi menetelmä mikroselluloosan valmistamiseksi
CN101914863B (zh) * 2010-07-28 2012-07-25 商丘市丰源纸业科技有限公司 蒸汽法提取造纸黑液工艺
US8916023B2 (en) * 2011-03-18 2014-12-23 Andritz, Inc. Vapor phase hydrolysis vessel and methods related thereto
US8951388B2 (en) 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
JP5712754B2 (ja) * 2011-04-13 2015-05-07 王子ホールディングス株式会社 溶解パルプの製造方法
JP6581137B2 (ja) * 2017-03-24 2019-09-25 日本製紙株式会社 溶解クラフトパルプの製造方法
BR112020003285A2 (pt) * 2017-08-25 2020-09-01 Valmet Ab processo para a preparação de polpa a partir de material celulósico contendo lignina

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE499010C (de) * 1926-12-11 1930-05-30 Erich Laaser Dipl Ing Verfahren zur fortlaufenden Herstellung von Zellstoff
GB740684A (en) * 1951-10-17 1955-11-16 Ralph Harper Mckee Continuous process for digesting pulp
US2858211A (en) * 1956-02-13 1958-10-28 Condi Engineering Corp Apparatus for wood chip digestion
CH405352A (de) * 1958-12-17 1966-01-15 Carlsson Skogh Carl Gunnar Verfahren zur kontinuierlichen Gewinnung von Furfural aus festen Pentosan- und Pentose-haltigen Rohmaterialien nebst Anordnung zur Ausführung des Verfahrens
US3044541A (en) * 1959-09-26 1962-07-17 Sugasawa Masao Continuous digesting and extracting apparatus
US3380883A (en) * 1963-09-27 1968-04-30 Kamyr Ab Method and apparatus for performing prehydrolysis in a continuous counterflow digester
US3413189A (en) * 1964-01-29 1968-11-26 Kamyr Ab Method of performing hydrolysis and alkalic digestion of cellulosic fiber material with prevention of lignin precipitation
SE300755B (de) * 1964-04-16 1968-05-06 Kamyr Ab
JPS4942249B1 (de) * 1970-04-30 1974-11-14
US3814664A (en) * 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber

Also Published As

Publication number Publication date
FI55877B (fi) 1979-06-29
US4174997A (en) 1979-11-20
DE2439077C3 (de) 1982-05-13
FR2242510A1 (de) 1975-03-28
SE7311940L (de) 1975-03-04
BR7407239D0 (pt) 1975-07-01
DE2439077B2 (de) 1977-02-17
FI243774A (de) 1975-03-04
JPS5053603A (de) 1975-05-12
FR2242510B1 (de) 1976-12-31
FI55877C (fi) 1979-10-10
DE2439077A1 (de) 1975-03-20
CA1038113A (en) 1978-09-12

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