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FR1078119A - Procédé de réduction des lessives sulfitiques résiduaires - Google Patents

Procédé de réduction des lessives sulfitiques résiduaires

Info

Publication number
FR1078119A
FR1078119A FR1078119DA FR1078119A FR 1078119 A FR1078119 A FR 1078119A FR 1078119D A FR1078119D A FR 1078119DA FR 1078119 A FR1078119 A FR 1078119A
Authority
FR
France
Prior art keywords
reducing residual
alkalis
residual sulphite
sulphite alkalis
reducing
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventa AG fuer Forschung und Patentverwertung
Original Assignee
Inventa AG fuer Forschung und Patentverwertung
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 Inventa AG fuer Forschung und Patentverwertung filed Critical Inventa AG fuer Forschung und Patentverwertung
Application granted granted Critical
Publication of FR1078119A publication Critical patent/FR1078119A/fr
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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
FR1078119D 1952-06-16 1953-06-05 Procédé de réduction des lessives sulfitiques résiduaires Expired FR1078119A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH728563X 1952-06-16

Publications (1)

Publication Number Publication Date
FR1078119A true FR1078119A (fr) 1954-11-16

Family

ID=4532145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1078119D Expired FR1078119A (fr) 1952-06-16 1953-06-05 Procédé de réduction des lessives sulfitiques résiduaires

Country Status (3)

Country Link
US (1) US2809219A (fr)
FR (1) FR1078119A (fr)
GB (1) GB728563A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947739A (en) * 1958-03-07 1960-08-02 Gaslini Franco Process for the hydrogenation of lignin and lignocellulosic materials
US2994633A (en) * 1958-08-21 1961-08-01 Crossett Company Process for separating lignin solids from used neutral sulfite pulping liquors

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB371833A (en) * 1931-01-21 1932-04-21 Ig Farbenindustrie Ag Improvements in the destructive hydrogenation of carbonaceous materials
US2220624A (en) * 1939-07-15 1940-11-05 Henry A Wallace Process for the hydrogenation of lignin and waste pulp liquors and the products thereof
US2278407A (en) * 1940-04-05 1942-04-07 Ig Farbenindustrie Ag Thermal treatment of carbonaceous materials

Also Published As

Publication number Publication date
US2809219A (en) 1957-10-08
GB728563A (en) 1955-04-20

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