[go: up one dir, main page]

FR837128A - Improvements to processes for the pre-treatment of vegetable fibrous materials - Google Patents

Improvements to processes for the pre-treatment of vegetable fibrous materials

Info

Publication number
FR837128A
FR837128A FR837128DA FR837128A FR 837128 A FR837128 A FR 837128A FR 837128D A FR837128D A FR 837128DA FR 837128 A FR837128 A FR 837128A
Authority
FR
France
Prior art keywords
processes
treatment
fibrous materials
vegetable fibrous
vegetable
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Wohl
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 filed Critical
Application granted granted Critical
Publication of FR837128A publication Critical patent/FR837128A/en
Expired legal-status Critical Current

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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
FR837128D 1937-04-28 1938-04-25 Improvements to processes for the pre-treatment of vegetable fibrous materials Expired FR837128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL514384X 1937-04-28

Publications (1)

Publication Number Publication Date
FR837128A true FR837128A (en) 1939-02-02

Family

ID=19936422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837128D Expired FR837128A (en) 1937-04-28 1938-04-25 Improvements to processes for the pre-treatment of vegetable fibrous materials

Country Status (3)

Country Link
DE (2) DE672945C (en)
FR (1) FR837128A (en)
GB (1) GB514384A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514044A1 (en) * 1981-10-07 1983-04-08 Lemaire Jacques Paper pulp prodn. from annual plants e.g. sugar cane bagasse - involves hydrolysis with dil. acid prior to delignification

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022088B (en) * 1952-12-19 1958-01-02 Elbert Clyde Lathrop Method for breaking down annual, vegetable fibers, in particular straw od.
US3436302A (en) * 1965-09-02 1969-04-01 Dow Chemical Co Method of bleaching groundwood pulp web with acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514044A1 (en) * 1981-10-07 1983-04-08 Lemaire Jacques Paper pulp prodn. from annual plants e.g. sugar cane bagasse - involves hydrolysis with dil. acid prior to delignification

Also Published As

Publication number Publication date
DE707725C (en) 1941-07-01
DE672945C (en) 1939-03-13
GB514384A (en) 1939-11-07

Similar Documents

Publication Publication Date Title
FR818390A (en) Improvements to processes for joining parts together
FR854788A (en) Process for making fibrous materials hydrophobic
FR755688A (en) Improvements to devices for the treatment of textile materials
FR834985A (en) Improvements to compositions to dampen sounds
FR837128A (en) Improvements to processes for the pre-treatment of vegetable fibrous materials
FR830608A (en) Process for improving fibrous materials
FR836069A (en) Improvements in the treatment of cellulosic materials
FR952174A (en) Improvements to processes for treating fibrous pulp materials in the presence of liquid
FR838677A (en) Improvements to garment presses
FR739542A (en) Improvements to processes for the treatment of oils
FR846992A (en) Improvements to processes for the production of polarizing materials
FR822787A (en) Process for the treatment of cellulosic materials
FR823110A (en) Improvements to the processes for the treatment of distillation residues
BE428088A (en) Process for the pre-treatment of seeds
FR818591A (en) Improvements made to the processes to prevent the premature ignition of dubois
FR862575A (en) Improvements to processes and installations for drying wood
FR846723A (en) Process improvements to configure or shape pipes
FR841688A (en) Improvements to processes and machines for planking wood
FR838454A (en) Improvements to synthetic processes
FR809881A (en) Improvements to processes and devices for the treatment of bituminous materials
FR48717E (en) Process for the reduction of oxides
FR843919A (en) Process for the distillation of fuels
FR836589A (en) Mineral concentration process
FR832110A (en) Improvements to processes and apparatus for the treatment of integuments
FR785782A (en) Improvements to devices for the treatment of molten materials