IT1105547B - PROCEDURE FOR THE REDUCTION OF MATERIALS SUCH AS CLAY WOOD PASTE AND SIMILAR - Google Patents

PROCEDURE FOR THE REDUCTION OF MATERIALS SUCH AS CLAY WOOD PASTE AND SIMILAR

Info

Publication number
IT1105547B
IT1105547B IT49932/78A IT4993278A IT1105547B IT 1105547 B IT1105547 B IT 1105547B IT 49932/78 A IT49932/78 A IT 49932/78A IT 4993278 A IT4993278 A IT 4993278A IT 1105547 B IT1105547 B IT 1105547B
Authority
IT
Italy
Prior art keywords
procedure
reduction
materials
similar
wood paste
Prior art date
Application number
IT49932/78A
Other languages
Italian (it)
Other versions
IT7849932A0 (en
Original Assignee
Ventron Corp
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 Ventron Corp filed Critical Ventron Corp
Publication of IT7849932A0 publication Critical patent/IT7849932A0/en
Application granted granted Critical
Publication of IT1105547B publication Critical patent/IT1105547B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
    • D06P1/221—Reducing systems; Reducing catalysts
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D21C9/1089—Bleaching ; Apparatus therefor with reducing compounds with dithionites
IT49932/78A 1977-06-17 1978-06-19 PROCEDURE FOR THE REDUCTION OF MATERIALS SUCH AS CLAY WOOD PASTE AND SIMILAR IT1105547B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80746377A 1977-06-17 1977-06-17

Publications (2)

Publication Number Publication Date
IT7849932A0 IT7849932A0 (en) 1978-06-19
IT1105547B true IT1105547B (en) 1985-11-04

Family

ID=25196428

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49932/78A IT1105547B (en) 1977-06-17 1978-06-19 PROCEDURE FOR THE REDUCTION OF MATERIALS SUCH AS CLAY WOOD PASTE AND SIMILAR

Country Status (8)

Country Link
JP (1) JPS546901A (en)
BE (1) BE868255A (en)
DE (1) DE2826821A1 (en)
FI (1) FI781941A (en)
FR (1) FR2394639A1 (en)
IT (1) IT1105547B (en)
NO (1) NO782114L (en)
SE (1) SE7806928L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9212926D0 (en) * 1992-06-18 1992-07-29 Morton Int Inc Method of bleaching paper pulp
EP1146089A1 (en) * 2000-04-10 2001-10-17 Rohm And Haas Company Methods for bleaching kaolin clay and other minerals and bleached products obtained by the method
US20100224333A1 (en) 2009-03-09 2010-09-09 Prasad Duggirala Method and chemical composition to improve efficiency of mechanical pulp
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production

Also Published As

Publication number Publication date
IT7849932A0 (en) 1978-06-19
BE868255A (en) 1978-10-16
FR2394639A1 (en) 1979-01-12
NO782114L (en) 1978-12-19
DE2826821A1 (en) 1979-01-18
JPS546901A (en) 1979-01-19
FI781941A (en) 1978-12-18
SE7806928L (en) 1978-12-18

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