ES2118389T3 - Procedimiento para un tratamiento electroquimico de lejia residual de celulosa. - Google Patents

Procedimiento para un tratamiento electroquimico de lejia residual de celulosa.

Info

Publication number
ES2118389T3
ES2118389T3 ES94908258T ES94908258T ES2118389T3 ES 2118389 T3 ES2118389 T3 ES 2118389T3 ES 94908258 T ES94908258 T ES 94908258T ES 94908258 T ES94908258 T ES 94908258T ES 2118389 T3 ES2118389 T3 ES 2118389T3
Authority
ES
Spain
Prior art keywords
electrochemical treatment
procedure
bleach
residual bleach
cellulose residual
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 - Lifetime
Application number
ES94908258T
Other languages
English (en)
Inventor
Burkhard Brandt
Gerhard Born
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.)
ZELL WILDSHAUSEN CHEM WERKE
Original Assignee
ZELL WILDSHAUSEN CHEM WERKE
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 ZELL WILDSHAUSEN CHEM WERKE filed Critical ZELL WILDSHAUSEN CHEM WERKE
Application granted granted Critical
Publication of ES2118389T3 publication Critical patent/ES2118389T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/427Electro-osmosis
    • B01D61/4271Electro-osmosis comprising multiple electro-osmosis steps
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4698Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electro-osmosis
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042Fractionating or concentration of spent liquors by special methods
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/46Apparatus for electrochemical processes
    • C02F2201/461Electrolysis apparatus
    • C02F2201/46105Details relating to the electrolytic devices
    • C02F2201/46115Electrolytic cell with membranes or diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

EN UN TRATAMIENTO ELECTROQUIMICO SE ELIMINAN LOS COMPONENTES CATIONOGENOS A PARTIR DE LA LEJIA DE DESPERDICIO DE SUSTANCIA CELULOSICA CONTENIENDO SULFONATOS DE LIGNINA EN EL ESPACIO DE ANODO. LOS ACIDOS SULFONICOS DE LIGNINA SON ELABORADOS A PARTIR DE LA LEJIA DE DESPERDICIO.
ES94908258T 1993-03-01 1994-02-24 Procedimiento para un tratamiento electroquimico de lejia residual de celulosa. Expired - Lifetime ES2118389T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4306260A DE4306260C2 (de) 1993-03-01 1993-03-01 Verfahren und Anlage zu einer elektrochemischen Behandlung von Zellstoffablauge

Publications (1)

Publication Number Publication Date
ES2118389T3 true ES2118389T3 (es) 1998-09-16

Family

ID=6481607

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94908258T Expired - Lifetime ES2118389T3 (es) 1993-03-01 1994-02-24 Procedimiento para un tratamiento electroquimico de lejia residual de celulosa.

Country Status (8)

Country Link
EP (1) EP0687247B1 (es)
AT (1) ATE165585T1 (es)
CA (1) CA2157394C (es)
DE (2) DE4306260C2 (es)
ES (1) ES2118389T3 (es)
FI (1) FI116286B (es)
NO (1) NO308522B1 (es)
WO (1) WO1994020419A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0960865A1 (de) * 1998-05-25 1999-12-01 Chemische Werke Zell-Wildshausen GMBH Mittel zur Reduzierung von Chrom (VI)-Ionen in einer hydraulisch abbindenden Masse
ES2208976T3 (es) * 1998-01-27 2004-06-16 Chemische Werke Zell-Wildshausen Gmbh Agente para la reduccion de iones de cromo (vi) en cemento.
AU2718699A (en) * 1998-01-27 1999-08-09 Chemische Werke Zell-Wildshausen Gmbh Medium for reducing chromium (vi) ions in a water-curing mass
DE102009037946A1 (de) * 2009-08-18 2011-02-24 Voith Patent Gmbh Verfahren zur Nutzung von bei der Erzeugung lignozellulosischer Faserstoffe anfallendem Abwasser
CN106163643B (zh) 2014-02-28 2019-05-07 诺拉姆工程及建造有限公司 部分水解纤维素的纯化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4836401A (es) * 1971-09-09 1973-05-29
CH560289A5 (es) * 1971-12-30 1975-03-27 Danske Sukkerfab
SU504847A1 (ru) * 1973-10-15 1976-02-28 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Способ получени лигносульфонатов
AT377546B (de) * 1983-02-25 1985-03-25 Dieter J Becker Verfahren zur reinigung von bei der zellstoffherstellung, insbesondere bei der chlorbleiche von zellstoff, anfallenden abwaessern
US4717450A (en) * 1985-08-19 1988-01-05 University Of British Columbia Removal of chloride from process solutions

Also Published As

Publication number Publication date
NO953397L (no) 1995-08-30
DE4306260C2 (de) 1996-05-30
FI954089A0 (fi) 1995-08-31
EP0687247B1 (de) 1998-04-29
CA2157394C (en) 2001-05-01
FI954089A (fi) 1995-08-31
DE59405847D1 (de) 1998-06-04
FI116286B (fi) 2005-10-31
DE4306260A1 (de) 1994-09-08
EP0687247A1 (de) 1995-12-20
CA2157394A1 (en) 1994-09-15
ATE165585T1 (de) 1998-05-15
NO953397D0 (no) 1995-08-30
WO1994020419A1 (de) 1994-09-15
NO308522B1 (no) 2000-09-25

Similar Documents

Publication Publication Date Title
ES2061156T3 (es) Catalizadores de blanqueo y composiciones que los contienen.
ES522310A0 (es) Un metodo de tratar una composicion sustancialmente seca que incluye factor viii de plasma sanguineo.
AR000085A1 (es) Aparato para esponjar y contactar pulpa de madera de alta consistencia con un reactivo blanqueador gaseoso.
ES2187753T3 (es) Procedimiento para la preparacion de d-treo-(r;r)-metilfenidato y para el reciclaje de enantiomeros no deseados mediante epimerizacion.
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
NO803144L (no) Fremgangsmaate til gjenvinningsbehandling av avfallspapir
DK0487557T3 (da) Forbedring af pulpblegning
ES2118389T3 (es) Procedimiento para un tratamiento electroquimico de lejia residual de celulosa.
ES554937A0 (es) Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion
FR2604197B1 (fr) Procede de blanchiment de matieres lignocellulosiques.
FI843766L (fi) Foerfarande foer tillvaratagande av lignin ur alkaliska ligninloesningar.
ES528138A0 (es) Procedimiento para el blanqueo con peroxido de material conteniendo lignocelulosa
ES2107826T3 (es) Procedimiento de fabricacion de una pelicula biodegradable, hidrofoba y transparente y pelicula asi obtenida.
ATE106961T1 (de) Bleichverfahren zur herstellung von hochweissem zellstoff.
FI971922A (fi) Menetelmä selluloosan talteenottamiseksi
BR9910866A (pt) Método para a deslignificação seletiva demateriais lignocelulósicos
MX9101706A (es) Procedimientos para la obtencion de pulpa
ES2110191T3 (es) Procedimiento de realizacion de un compuesto activo y compuesto activo asi obtenido.
SE9402726L (sv) Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
ES2062077T3 (es) Programador, en particular para aparato electrodomestico.
ES2119957T3 (es) Procedimiento para elaborar composiciones acuosas que comprenden peracidos.
SE9700283D0 (sv) Framställningsprocess för pappersmassa
ES2017609T3 (es) Procedimiento para la destruccion de hipocloritos en una solucion de clorato.
ES2017608A4 (es) Procedimiento para la destruccion de hipocloritos en una disolucion de perclorato.
BR9803217A (pt) Processo de alvejamento livre de cloro elementar para alvejar materiais lignocelulósicos

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 687247

Country of ref document: ES