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FR639900A - Inner hearth washer for converting plants into paper pulp by ozone oxidation and leaching using plant ash - Google Patents

Inner hearth washer for converting plants into paper pulp by ozone oxidation and leaching using plant ash

Info

Publication number
FR639900A
FR639900A FR639900DA FR639900A FR 639900 A FR639900 A FR 639900A FR 639900D A FR639900D A FR 639900DA FR 639900 A FR639900 A FR 639900A
Authority
FR
France
Prior art keywords
leaching
washer
paper pulp
plant ash
ozone oxidation
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
Gaston-Amedee Mourlaque
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 FR639900A publication Critical patent/FR639900A/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/028—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FR639900D 1927-09-24 1927-08-22 Inner hearth washer for converting plants into paper pulp by ozone oxidation and leaching using plant ash Expired FR639900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25193/27A GB299965A (en) 1927-09-24 1927-09-24 Improvements in and relating to the manufacture of paper

Publications (1)

Publication Number Publication Date
FR639900A true FR639900A (en) 1928-07-02

Family

ID=10223727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR639900D Expired FR639900A (en) 1927-09-24 1927-08-22 Inner hearth washer for converting plants into paper pulp by ozone oxidation and leaching using plant ash

Country Status (5)

Country Link
US (1) US1710375A (en)
BE (1) BE353573A (en)
DE (1) DE504613C (en)
FR (1) FR639900A (en)
GB (1) GB299965A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012927A (en) * 1957-09-11 1961-12-12 Process Evaluation Devel Continuous process of converting vegetable stock to paper pulp

Also Published As

Publication number Publication date
US1710375A (en) 1929-04-23
DE504613C (en) 1930-08-06
GB299965A (en) 1928-11-08
BE353573A (en)

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