CH459739A - Process for the regeneration of waste paper - Google Patents

Process for the regeneration of waste paper

Info

Publication number
CH459739A
CH459739A CH915065A CH915065A CH459739A CH 459739 A CH459739 A CH 459739A CH 915065 A CH915065 A CH 915065A CH 915065 A CH915065 A CH 915065A CH 459739 A CH459739 A CH 459739A
Authority
CH
Switzerland
Prior art keywords
regeneration
waste paper
waste
paper
Prior art date
Application number
CH915065A
Other languages
German (de)
Inventor
Wilhelm Dr Berndt
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of CH459739A publication Critical patent/CH459739A/en

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
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Paper (AREA)
CH915065A 1964-07-29 1965-06-30 Process for the regeneration of waste paper CH459739A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6408629A NL6408629A (en) 1964-07-29 1964-07-29
DED0045076 1964-07-30

Publications (1)

Publication Number Publication Date
CH459739A true CH459739A (en) 1968-07-15

Family

ID=25971944

Family Applications (1)

Application Number Title Priority Date Filing Date
CH915065A CH459739A (en) 1964-07-29 1965-06-30 Process for the regeneration of waste paper

Country Status (3)

Country Link
BE (1) BE667578A (en)
CH (1) CH459739A (en)
NL (2) NL6408629A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2610581B1 (en) * 1976-03-13 1977-08-11 Voith Gmbh J M METHOD AND DEVICE FOR THE OBTAINING RELATIVELY PURE FIBER SUSPENSIONS IN THE PROCESSING OF WASTE PAPER

Also Published As

Publication number Publication date
BE667578A (en) 1965-11-16
DE1517172A1 (en) 1969-12-18
NL6509829A (en) 1966-01-31
NL6408629A (en) 1966-01-31

Similar Documents

Publication Publication Date Title
AT259469B (en) Process for dewatering sludge
AT257789B (en) Process for the hydrocatalytic conversion of hydrocarbons
AT303239B (en) Process for the conversion of hydrocarbons
CH491835A (en) Process for the separation of racemic mixtures
CH434227A (en) Process for purifying adipinedinitrile
CH490475A (en) Process for the selective conversion of components of hydrocarbon mixtures
AT269818B (en) Process for purifying olefins
AT248985B (en) Process for preparing pre-doughs
CH471764A (en) Process for purifying xylenol
DD38244A1 (en) Process for the purification of polyester solutions
CH457389A (en) Process for the purification of adiponitrile
CH450433A (en) Process for purifying lactams
CH454327A (en) Process for purifying hydrocarbons
AT259761B (en) Process for purifying plasminogen
CH437291A (en) Methods for purifying pyrrolidone- (2)
AT257155B (en) Process for improving the stability of polyolefins
CH459739A (en) Process for the regeneration of waste paper
AT248352B (en) Process for the purification of sewage
CH441138A (en) Process for purifying waste water
CH425724A (en) Process for the purification of crystallizable materials
AT247804B (en) Process for increasing the solids content of sludge
AT261099B (en) Process for splitting hydrocarbons
CH427617A (en) Process for the aftertreatment of cigars
CH462807A (en) Process for the dehydration of A-nor-B-homosteroids
CH484017A (en) Process for the purification of 2,2,2-trifluoro-1-chloro-1-bromo-ethane