FI49438C - Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation - Google Patents

Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation

Info

Publication number
FI49438C
FI49438C FI2313/73A FI231373A FI49438C FI 49438 C FI49438 C FI 49438C FI 2313/73 A FI2313/73 A FI 2313/73A FI 231373 A FI231373 A FI 231373A FI 49438 C FI49438 C FI 49438C
Authority
FI
Finland
Prior art keywords
processcirkulation
hemicellulosahaltiga
hemicellulosa
alkaliloesningar
foerfarande foer
Prior art date
Application number
FI2313/73A
Other languages
English (en)
Other versions
FI49438B (fi
Inventor
Hannes Sihtola
Original Assignee
Keskuslaboratorio
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 Keskuslaboratorio filed Critical Keskuslaboratorio
Priority to FI2313/73A priority Critical patent/FI49438C/fi
Priority to GB3680573A priority patent/GB1409586A/en
Priority to US05/464,304 priority patent/US3935022A/en
Priority to IN1559/CAL/1974A priority patent/IN141048B/en
Priority to DE2433235A priority patent/DE2433235A1/de
Priority to NL7409374A priority patent/NL7409374A/xx
Priority to CH955674A priority patent/CH601552A5/xx
Priority to DD179991A priority patent/DD113236A5/xx
Priority to IT69275/74A priority patent/IT1020664B/it
Priority to CA205,019A priority patent/CA1032707A/en
Priority to NO742669A priority patent/NO742669L/no
Priority to SE7409515A priority patent/SE7409515L/xx
Priority to JP49084029A priority patent/JPS5082164A/ja
Priority to FR7425518A priority patent/FR2238714B1/fr
Priority to BR6081/74A priority patent/BR7406081D0/pt
Priority to PL1974172933A priority patent/PL91400B1/pl
Publication of FI49438B publication Critical patent/FI49438B/fi
Application granted granted Critical
Publication of FI49438C publication Critical patent/FI49438C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FI2313/73A 1973-07-23 1973-07-23 Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation FI49438C (fi)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FI2313/73A FI49438C (fi) 1973-07-23 1973-07-23 Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation
GB3680573A GB1409586A (en) 1973-07-23 1973-08-02 Process for the removal of hemicellulose from hemicellulose- containing caustic liquors obtained in the treatment of cellulose-
US05/464,304 US3935022A (en) 1973-07-23 1974-04-26 Method for the removal of hemicellulose from hemicellulose-containing caustic liquors
IN1559/CAL/1974A IN141048B (fi) 1973-07-23 1974-07-11
DE2433235A DE2433235A1 (de) 1973-07-23 1974-07-11 Verfahren zum entfernen von hemizellulose aus in prozesszirkulation befindlichen hemizellulosehaltigen alkalischen loesungen
NL7409374A NL7409374A (nl) 1973-07-23 1974-07-11 Werkwijze voor het verwijderen van hemicellu- lose uit zich in procescirculatie bevindende hemicellulose-bevattende alkalische oplossingen.
CH955674A CH601552A5 (fi) 1973-07-23 1974-07-11
DD179991A DD113236A5 (fi) 1973-07-23 1974-07-13
IT69275/74A IT1020664B (it) 1973-07-23 1974-07-17 Procedimento per la rimozione di semicellulosa da semicellulosa con tenente liquori caustici in proces so di circolazione
CA205,019A CA1032707A (en) 1973-07-23 1974-07-18 Method for the removal of hemicellulose from hemicellulose-containing caustic liquors in process circulation
NO742669A NO742669L (fi) 1973-07-23 1974-07-22
SE7409515A SE7409515L (fi) 1973-07-23 1974-07-22
JP49084029A JPS5082164A (fi) 1973-07-23 1974-07-22
FR7425518A FR2238714B1 (fi) 1973-07-23 1974-07-23
BR6081/74A BR7406081D0 (pt) 1973-07-23 1974-07-24 Processo para extracao de hemicelulose das solucoes alcalinas
PL1974172933A PL91400B1 (fi) 1973-07-23 1974-07-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI2313/73A FI49438C (fi) 1973-07-23 1973-07-23 Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation

Publications (2)

Publication Number Publication Date
FI49438B FI49438B (fi) 1975-02-28
FI49438C true FI49438C (fi) 1980-12-23

Family

ID=8506932

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2313/73A FI49438C (fi) 1973-07-23 1973-07-23 Foerfarande foer avlaegsnande av hemicellulosa ur hemicellulosahaltiga alkaliloesningar i processcirkulation

Country Status (16)

Country Link
US (1) US3935022A (fi)
JP (1) JPS5082164A (fi)
BR (1) BR7406081D0 (fi)
CA (1) CA1032707A (fi)
CH (1) CH601552A5 (fi)
DD (1) DD113236A5 (fi)
DE (1) DE2433235A1 (fi)
FI (1) FI49438C (fi)
FR (1) FR2238714B1 (fi)
GB (1) GB1409586A (fi)
IN (1) IN141048B (fi)
IT (1) IT1020664B (fi)
NL (1) NL7409374A (fi)
NO (1) NO742669L (fi)
PL (1) PL91400B1 (fi)
SE (1) SE7409515L (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278790A (en) * 1978-07-31 1981-07-14 Hopkins Agricultural Chemical Co. Novel cellulose solutions
US4395543A (en) * 1981-08-12 1983-07-26 Massachusetts Institute Of Technology Selective solvent extraction of cellulosic material
FI69854C (fi) * 1984-04-02 1986-05-26 Enso Gutzeit Oy Foerfarande foer foervaratagning av loesliga kolhydrater i trae
US7101996B2 (en) * 2003-09-23 2006-09-05 Corn Products International, Inc. Process for preparing purified fractions of hemicellulose and cellulose-hemicellulose complexes from alkali treated fiber and products made by the process
AT413548B (de) * 2004-06-02 2006-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines chemiezellstoffes und seine verwendung
DE102004060283A1 (de) * 2004-12-15 2006-06-29 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Gewinnung von Hemicellulosen aus lignocellulosischem Material
US7815876B2 (en) * 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815741B2 (en) * 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7699958B2 (en) * 2006-11-27 2010-04-20 Ut-Battelle, Llc Method for improving separation of carbohydrates from wood pulping and wood or biomass hydrolysis liquors
FI126512B (fi) * 2011-03-09 2017-01-13 Nanorefix Oy Menetelmä ligniinin erottamiseksi kasvimateriaalista ja saatava tuote
GB2501732A (en) 2012-05-02 2013-11-06 Innovia Films Ltd Improved steeping conditions for manufacture of viscose
US10927497B2 (en) * 2014-06-27 2021-02-23 Inventure Renewables Inc. Methods for the production of high alpha-cellulose pulp
FI125891B (fi) * 2014-08-14 2016-03-31 Scitech Service Oy Menetelmä selluloosan käsittelemiseksi sekä selluloosan käsittelystä saatuja alkaliliuoksia
CN105525525A (zh) * 2014-10-24 2016-04-27 上海凯鑫分离技术有限公司 化纤浆纤维素碱压榨液的处理回收工艺
CA2987869C (en) 2015-06-10 2023-03-28 Stora Enso Oyj Methods for treating lignocellulosic materials
AU2018425691B2 (en) * 2018-05-28 2022-06-30 Pierson Capital Environmental (Beijing) Limited Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials
CN114014957A (zh) * 2021-11-30 2022-02-08 上海昶法新材料有限公司 一种从废纸中提取半纤维素的方法
CN114044836A (zh) * 2021-11-30 2022-02-15 上海昶法新材料有限公司 一种从化学浆中提取半纤维素的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2362217A (en) * 1943-01-13 1944-11-07 Rayonier Inc Production of cellulosic products
US2686132A (en) * 1950-07-14 1954-08-10 Rayonier Inc Improved refined wood pulp and a method of improving it
US2859210A (en) * 1956-12-10 1958-11-04 Stewart E Seaman Method of producing alkali cellulose
US3728330A (en) * 1971-06-02 1973-04-17 B Nizovsky Process for manufacturing cellulose xanthate and viscose prepared from said cellulose xanthate

Also Published As

Publication number Publication date
NL7409374A (nl) 1975-01-27
FR2238714B1 (fi) 1978-03-24
FI49438B (fi) 1975-02-28
US3935022A (en) 1976-01-27
PL91400B1 (fi) 1977-02-28
GB1409586A (en) 1975-10-08
DD113236A5 (fi) 1975-05-20
SE7409515L (fi) 1975-01-24
DE2433235A1 (de) 1975-02-13
JPS5082164A (fi) 1975-07-03
CH601552A5 (fi) 1978-07-14
IN141048B (fi) 1977-01-15
IT1020664B (it) 1977-12-30
CA1032707A (en) 1978-06-13
FR2238714A1 (fi) 1975-02-21
NO742669L (fi) 1975-02-17
BR7406081D0 (pt) 1975-05-13

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