DE69608913T2 - Verfahren zum deinken von büro-altpapier - Google Patents

Verfahren zum deinken von büro-altpapier

Info

Publication number
DE69608913T2
DE69608913T2 DE1996608913 DE69608913T DE69608913T2 DE 69608913 T2 DE69608913 T2 DE 69608913T2 DE 1996608913 DE1996608913 DE 1996608913 DE 69608913 T DE69608913 T DE 69608913T DE 69608913 T2 DE69608913 T2 DE 69608913T2
Authority
DE
Germany
Prior art keywords
carbon atoms
pulp
range
detergent
alcohol
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 - Fee Related
Application number
DE1996608913
Other languages
English (en)
Other versions
DE69608913D1 (de
Inventor
Keith Borchardt
Javier Blanco
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of DE69608913D1 publication Critical patent/DE69608913D1/de
Application granted granted Critical
Publication of DE69608913T2 publication Critical patent/DE69608913T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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)
DE1996608913 1995-10-10 1996-10-09 Verfahren zum deinken von büro-altpapier Expired - Fee Related DE69608913T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54198895A 1995-10-10 1995-10-10
US54137695A 1995-10-10 1995-10-10
PCT/EP1996/004403 WO1997013917A1 (en) 1995-10-10 1996-10-09 Office wastepaper deinking process

Publications (2)

Publication Number Publication Date
DE69608913D1 DE69608913D1 (de) 2000-07-20
DE69608913T2 true DE69608913T2 (de) 2000-11-02

Family

ID=27066693

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996608913 Expired - Fee Related DE69608913T2 (de) 1995-10-10 1996-10-09 Verfahren zum deinken von büro-altpapier

Country Status (5)

Country Link
EP (1) EP0868560B1 (de)
AT (1) ATE193911T1 (de)
CA (1) CA2233002C (de)
DE (1) DE69608913T2 (de)
WO (1) WO1997013917A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113060910B (zh) * 2021-04-06 2023-06-09 武汉汇森创新科技有限公司 联合轧钢企业综合处理乳化液含油滤纸的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3501373A (en) * 1966-11-04 1970-03-17 Garden State Paper Co Inc De-inking waste printed cellulosic stock
US4311552A (en) * 1979-02-21 1982-01-19 The Chemithon Corporation Deinking of newsprint
NZ242280A (en) * 1991-04-25 1994-02-25 Betz Int De-inking electrostatically printed paper using a surfactant in an aqueous

Also Published As

Publication number Publication date
CA2233002A1 (en) 1997-04-17
CA2233002C (en) 2005-08-16
ATE193911T1 (de) 2000-06-15
DE69608913D1 (de) 2000-07-20
EP0868560A1 (de) 1998-10-07
EP0868560B1 (de) 2000-06-14
WO1997013917A1 (en) 1997-04-17

Similar Documents

Publication Publication Date Title
ATE126847T1 (de) Entfärbungsverfahren für altpapier.
KR900018470A (ko) 고지의 생물학적 탈묵에 의한 재생방법
FI98933B (fi) Menetelmä jätepaperin käsittelemiseksi
DE69624589D1 (de) Verfahren zur entfernung von tinten aus abfallpapier
ATE174980T1 (de) Verfahren zum deinken von altpapier
DE69608913D1 (de) Verfahren zum deinken von büro-altpapier
MX9302167A (es) Tratamiento de material celulosico y composicionespara su uso.
WO1990011402A3 (de) Verfahren zur altpapieraufbereitung
BR8705311A (pt) Agente para o melhoramento da imprimibilidade de papel e papelao,bem como processo para o aperfeicoamento da imprimibilidade de papel
DE3561478D1 (en) Process and apparatus for recycling printed waste paper
WO1997022750A3 (en) Office wastepaper deinking process
DE59103923D1 (de) Verfahren zum deinking von bedruckten papieren.
FI98934B (fi) Menetelmä täyteaineiden poistamiseksi keräyspapereista vaahdottamalla polymeerien ja/tai kopolymeerien ollessa läsnä
ES2122203T3 (es) Procedimiento de desentintado de papeles de recuperacion.
ATE210217T1 (de) Verfahren zur erhöhung des weissgrades von aus altpapier gewonnenem papierfaserstoff

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee