FR890647A - Process for the use of cellulosic raw materials with simultaneous use of the accompanying cellulose bodies which come from the extraction of cellulose - Google Patents

Process for the use of cellulosic raw materials with simultaneous use of the accompanying cellulose bodies which come from the extraction of cellulose

Info

Publication number
FR890647A
FR890647A FR890647DA FR890647A FR 890647 A FR890647 A FR 890647A FR 890647D A FR890647D A FR 890647DA FR 890647 A FR890647 A FR 890647A
Authority
FR
France
Prior art keywords
cellulose
extraction
come
raw materials
accompanying
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)
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.)
Phrix Arbeitsgemeinschaft
Original Assignee
Phrix Arbeitsgemeinschaft
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 Phrix Arbeitsgemeinschaft filed Critical Phrix Arbeitsgemeinschaft
Application granted granted Critical
Publication of FR890647A publication Critical patent/FR890647A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/74—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber wherein the break is in gas
    • 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
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/164—Impedances connected with contacts the impedance being inserted in the circuit by blowing the arc onto an auxiliary electrode
FR890647D 1939-12-13 1942-10-07 Process for the use of cellulosic raw materials with simultaneous use of the accompanying cellulose bodies which come from the extraction of cellulose Expired FR890647A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE218203X 1939-12-13
DE211040X 1940-10-21

Publications (1)

Publication Number Publication Date
FR890647A true FR890647A (en) 1944-02-14

Family

ID=25760752

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890647D Expired FR890647A (en) 1939-12-13 1942-10-07 Process for the use of cellulosic raw materials with simultaneous use of the accompanying cellulose bodies which come from the extraction of cellulose

Country Status (4)

Country Link
BE (1) BE442623A (en)
CH (2) CH218203A (en)
FR (1) FR890647A (en)
GB (1) GB575854A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328795A1 (en) * 1975-10-24 1977-05-20 Valkanas George METHOD OF MAJOR USE OF AGRICULTURAL CELLULOSIC WASTE
FR2495654A1 (en) * 1980-12-08 1982-06-11 Ahlstroem Oy High alpha-cellulose content pastes for special paper prodn. - is produced by acid pre-hydrolysis of wood shavings, the hydrolysate by=product being useful in animal feeds
FR2520396A1 (en) * 1982-01-22 1983-07-29 Kamyr Inc METHOD AND DEVICE FOR PRODUCING KRAFT CARBON AND KRAFT PULP MATERIALS FROM PULVERIZED CELLULOSIC FIBER MATERIALS

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761935A (en) * 1952-07-30 1956-09-04 David C Prince Circuit breaker
DE1069737B (en) * 1952-12-23 1959-11-26
FR1183278A (en) * 1957-11-05 1959-07-06 Merlin Gerin Improvements to magnetic blow switches

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2328795A1 (en) * 1975-10-24 1977-05-20 Valkanas George METHOD OF MAJOR USE OF AGRICULTURAL CELLULOSIC WASTE
FR2495654A1 (en) * 1980-12-08 1982-06-11 Ahlstroem Oy High alpha-cellulose content pastes for special paper prodn. - is produced by acid pre-hydrolysis of wood shavings, the hydrolysate by=product being useful in animal feeds
FR2520396A1 (en) * 1982-01-22 1983-07-29 Kamyr Inc METHOD AND DEVICE FOR PRODUCING KRAFT CARBON AND KRAFT PULP MATERIALS FROM PULVERIZED CELLULOSIC FIBER MATERIALS
DE3301957A1 (en) * 1982-01-22 1983-08-04 Kamyr, Inc., 12801 Glens Falls, N.Y. METHOD AND DEVICE FOR PRODUCING CARBOHYDRATE MATERIAL AND FUEL PULP FROM CRUSHED CELLULOSE FIBER MATERIAL

Also Published As

Publication number Publication date
CH218203A (en) 1941-11-30
BE442623A (en)
GB575854A (en) 1946-03-07
CH226031A (en) 1943-03-15

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