IT7922888A0 - Procedimento per il ricupero difibre di scarto da carta per copie. - Google Patents

Procedimento per il ricupero difibre di scarto da carta per copie.

Info

Publication number
IT7922888A0
IT7922888A0 IT7922888A IT2288879A IT7922888A0 IT 7922888 A0 IT7922888 A0 IT 7922888A0 IT 7922888 A IT7922888 A IT 7922888A IT 2288879 A IT2288879 A IT 2288879A IT 7922888 A0 IT7922888 A0 IT 7922888A0
Authority
IT
Italy
Prior art keywords
recovery
procedure
copy paper
waste fibers
fibers
Prior art date
Application number
IT7922888A
Other languages
English (en)
Other versions
IT1120195B (it
Original Assignee
Wiggins Teape Group Ltd
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 Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Publication of IT7922888A0 publication Critical patent/IT7922888A0/it
Application granted granted Critical
Publication of IT1120195B publication Critical patent/IT1120195B/it

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/1246—Application of the layer, e.g. by printing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling
IT2288879A 1978-05-22 1979-05-22 Procedimento per il ricupero di fibre di scarto da carta per copie IT1120195B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2124578 1978-05-22

Publications (2)

Publication Number Publication Date
IT7922888A0 true IT7922888A0 (it) 1979-05-22
IT1120195B IT1120195B (it) 1986-03-19

Family

ID=10159664

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2288879A IT1120195B (it) 1978-05-22 1979-05-22 Procedimento per il ricupero di fibre di scarto da carta per copie

Country Status (8)

Country Link
US (1) US4264412A (it)
JP (1) JPS556580A (it)
BE (1) BE876422A (it)
CA (1) CA1114562A (it)
DE (1) DE2919866A1 (it)
ES (1) ES480805A1 (it)
FR (1) FR2426766A1 (it)
IT (1) IT1120195B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482989A1 (fr) * 1980-05-22 1981-11-27 Interox Procede pour la regeneration de vieux papiers
FR2550561B1 (fr) * 1983-08-08 1986-08-08 Interox Procede pour la regeneration des vieux papiers
SE439787B (sv) * 1984-03-19 1985-07-01 Berol Kemi Ab Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper
US4935096A (en) * 1988-12-06 1990-06-19 Garden State Paper Company, Inc. Process for the deinking of cellulosic materials
FR2664627B1 (fr) * 1990-07-12 1995-11-24 Tech Ind Papiers C Centre Procede pour desencrer les papiers imprimes.
US5151155A (en) * 1991-05-09 1992-09-29 Rheox, Inc. Process for deinking wastepaper with organically modified smectite clay
CA2082557C (en) * 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
US5225046A (en) * 1992-02-26 1993-07-06 Shell Oil Company Wastepaper deinking process
US5266158A (en) * 1992-03-09 1993-11-30 Interox America Process for the colour stripping and bleaching of coloured waste paper
US5580422A (en) * 1993-07-27 1996-12-03 Hoechst Celanese Corporation Brightening color dyed wastepaper with a bleaching agent and a quaternary compound
ES2386045B1 (es) * 2012-05-03 2013-04-18 Saica Pack, S.L. Procedimiento de obtención de celulosa nanofibrilada a partir de papel recuperado

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394273A (en) * 1942-04-01 1946-02-05 American Cyanamid Co Defibering of wet strength paper
US3619347A (en) * 1969-03-13 1971-11-09 Salvox Mfg Co Recovery of wastepaper treated with urea or the like resins to impart wet strength
JPS506802A (it) * 1973-05-30 1975-01-24
ATA654976A (de) * 1976-08-31 1977-10-15 Escher Wyss Gmbh Verfahren zur regenerierung von altpapier mit mikroverkapselten bestandteilen

Also Published As

Publication number Publication date
FR2426766A1 (fr) 1979-12-21
BE876422A (fr) 1979-09-17
ES480805A1 (es) 1980-01-16
US4264412A (en) 1981-04-28
JPS556580A (en) 1980-01-18
IT1120195B (it) 1986-03-19
DE2919866A1 (de) 1979-11-29
JPS6261710B2 (it) 1987-12-23
DE2919866C2 (it) 1989-10-19
CA1114562A (en) 1981-12-22
FR2426766B1 (it) 1982-07-16

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