SE436899B - Sett att uppsluta lignocellulosahaltigt vextmaterial - Google Patents

Sett att uppsluta lignocellulosahaltigt vextmaterial

Info

Publication number
SE436899B
SE436899B SE7909674A SE7909674A SE436899B SE 436899 B SE436899 B SE 436899B SE 7909674 A SE7909674 A SE 7909674A SE 7909674 A SE7909674 A SE 7909674A SE 436899 B SE436899 B SE 436899B
Authority
SE
Sweden
Prior art keywords
acid
alcohol
lignin
cooking
water
Prior art date
Application number
SE7909674A
Other languages
English (en)
Swedish (sv)
Other versions
SE7909674L (sv
Inventor
L Paszner
P-C Chang
Original Assignee
Thermoform Bau Forschung
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 CA316,951A external-priority patent/CA1131415A/en
Application filed by Thermoform Bau Forschung filed Critical Thermoform Bau Forschung
Publication of SE7909674L publication Critical patent/SE7909674L/
Publication of SE436899B publication Critical patent/SE436899B/sv

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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment

Landscapes

  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
SE7909674A 1978-11-27 1979-11-22 Sett att uppsluta lignocellulosahaltigt vextmaterial SE436899B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA316,951A CA1131415A (en) 1978-11-27 1978-11-27 Pulping of lignocellulose with aqueous methanol/ catalyst mixture
DE2920731A DE2920731C2 (de) 1978-11-27 1979-05-22 Lignocelluloseaufschlußverfahren mit einem Gemisch von Wasser und niedrig molekularem aliphatischem Alkohol und Metallsalz

Publications (2)

Publication Number Publication Date
SE7909674L SE7909674L (sv) 1980-05-28
SE436899B true SE436899B (sv) 1985-01-28

Family

ID=25668832

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7909674A SE436899B (sv) 1978-11-27 1979-11-22 Sett att uppsluta lignocellulosahaltigt vextmaterial

Country Status (16)

Country Link
AR (1) AR223198A1 (no)
AT (1) AT372991B (no)
AU (1) AU528703B2 (no)
BR (1) BR7907651A (no)
DD (1) DD147259A5 (no)
ES (1) ES486267A1 (no)
FI (1) FI69129C (no)
FR (1) FR2442297A1 (no)
GB (1) GB2040332B (no)
NO (1) NO154274C (no)
PH (1) PH16526A (no)
PL (1) PL131834B1 (no)
PT (1) PT70475A (no)
RO (1) RO77556A (no)
SE (1) SE436899B (no)
YU (1) YU41897B (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594130A (en) * 1978-11-27 1986-06-10 Chang Pei Ching Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
CA1275286C (en) * 1986-05-29 1990-10-16 Edward A. Delong Method for extracting the chemical components from dissociated lignocellulosic material
WO2008155634A1 (en) * 2007-06-20 2008-12-24 Nagarjuna Energy Private Limited A single step process for separating biomass components
EP3167112B1 (en) 2014-07-10 2021-05-26 Leaf Sciences Pty Ltd Methods for hydrolysing lignocellulosic material
AU2015286229B2 (en) * 2014-07-10 2018-11-08 Leaf Sciences Pty Ltd Methods for treating lignocellulosic material
CN114645479B (zh) * 2020-12-19 2023-07-25 山东洲星天然物提取智能设备有限公司 一种纸浆的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI782628A (fi) * 1977-08-31 1979-03-01 Laszlo Paszner Organiska loesningsmedel utnyttjande delignifierings- och foersockringsfoerfarande foer lignocellulosahaltiga plantmaterial

Also Published As

Publication number Publication date
ES486267A1 (es) 1980-05-16
FR2442297A1 (fr) 1980-06-20
NO793738L (no) 1980-05-28
SE7909674L (sv) 1980-05-28
FI793678A (fi) 1980-05-28
AU5305679A (en) 1981-06-04
AT372991B (de) 1983-12-12
ATA726179A (de) 1983-04-15
FI69129C (fi) 1985-12-10
PH16526A (en) 1983-11-10
DD147259A5 (de) 1981-03-25
NO154274C (no) 1986-08-20
GB2040332B (en) 1983-09-07
NO154274B (no) 1986-05-12
AR223198A1 (es) 1981-07-31
AU528703B2 (en) 1983-05-12
RO77556A (ro) 1982-07-06
PL131834B1 (en) 1985-01-31
BR7907651A (pt) 1980-08-26
FI69129B (fi) 1985-08-30
PT70475A (en) 1979-12-01
YU282279A (en) 1982-10-31
GB2040332A (en) 1980-08-28
FR2442297B1 (no) 1983-05-13
YU41897B (en) 1988-02-29
PL219837A1 (no) 1980-12-15

Similar Documents

Publication Publication Date Title
Yuan et al. Effect of alkaline pre-extraction of hemicelluloses and silica on kraft pulping of bamboo (Neosinocalamus affinis Keng)
Schild et al. Sulfur-free dissolving pulps and their application for viscose and lyocell
Hamzeh et al. Pre-extraction of hemicelluloses from bagasse fibers: Effects of dry-strength additives on paper properties
Tu et al. Characterisation of cellulose pulps isolated from Miscanthus using a low-cost acidic ionic liquid
US8986501B2 (en) Methods for removing hemicellulose
CN108350090B (zh) 纤维素黄原酸酯纳米纤维
CN109071827B (zh) 交联牛皮纸浆组合物和方法
US20220298726A1 (en) Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products
GB1569138A (en) Production of monosaccharides and a cellulosicrich material from straw
De Frias et al. Switchable butadiene sulfone pretreatment of Miscanthus in the presence of water
NO742669L (no)
SE436899B (sv) Sett att uppsluta lignocellulosahaltigt vextmaterial
Johakimu et al. Hemicellulose extraction from South African Eucalyptus grandis using green liquor and its impact on kraft pulping efficiency and paper making properties
WO2015126468A1 (en) Hemicellulose compositions
JPS6328157B2 (no)
CN105339544B (zh) 生产再生的纤维素和半纤维素的方法
US3932207A (en) Process for obtaining cellulose from ligno-cellulosic raw materials
FI71781B (fi) Kokning av lignocellulosa med vattenhaltig alkohol och jordalkalimetallsaltkatalysator
CA2873716A1 (en) A method and a system for isolating xylan from plant material, as well as xylan, calcium carbonate, and cellulose fibre
CA1188686A (en) Method of producing celluloses having a low lignin content
Gong et al. Efficient fractionation of pure hemicellulose with high DP from bleached hardwood pulp using LiBr· 3H2O and co-production of dissolving pulp
Kim et al. Comparison of hemicellulose extracts from two pulping woodchips with green liquor followed by scale-up pre-hemicellulose extraction
Martino et al. Hot water pretreatment to enhance the production of a eucalypt dissolving pulp
CS222679B2 (cs) Způsob várky lignocelulózových materiálů
Magnusson et al. CHANGE IN PROPERTIES OF PROCESSED CELLULOSE COMPONENTS

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7909674-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7909674-9

Format of ref document f/p: F