CA1064206A - Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure - Google Patents

Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure

Info

Publication number
CA1064206A
CA1064206A CA237,121A CA237121A CA1064206A CA 1064206 A CA1064206 A CA 1064206A CA 237121 A CA237121 A CA 237121A CA 1064206 A CA1064206 A CA 1064206A
Authority
CA
Canada
Prior art keywords
lye
brine
bleaching
stock
chlorine
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
Application number
CA237,121A
Other languages
English (en)
Other versions
CA237121S (en
Inventor
Nils V. Mannbro
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1064206A publication Critical patent/CA1064206A/fr
Expired 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

  • Paper (AREA)
CA237,121A 1974-10-08 1975-10-06 Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure Expired CA1064206A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7412638A SE435302B (sv) 1974-10-08 1974-10-08 Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel

Publications (1)

Publication Number Publication Date
CA1064206A true CA1064206A (fr) 1979-10-16

Family

ID=20322352

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237,121A Expired CA1064206A (fr) 1974-10-08 1975-10-06 Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure

Country Status (2)

Country Link
CA (1) CA1064206A (fr)
SE (1) SE435302B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995004188A1 (fr) * 1993-08-03 1995-02-09 Kvaerner Pulping Technologies Ab Procede integrant le blanchiment et la recuperation dans la production de pate a papier
WO1995018884A1 (fr) * 1994-01-04 1995-07-13 Nils Mannbro Procede de recuperation de substances chimiques et d'energie provenant d'effluents de blanchiment de pate a papier
AU681613B2 (en) * 1992-12-02 1997-09-04 Kvaerner Pulping Technologies Ab Method of bleaching pulp without using chlorine-containing chemicals
US5855736A (en) * 1995-11-06 1999-01-05 Kvaerner Pulping Oy Method of reducing corrosion in a power boiler of a pulp mill
US5989387A (en) * 1993-07-23 1999-11-23 Tampella Power Oy Method for controlling chloride concentration in the flue gas of a recovery boiler

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU681613B2 (en) * 1992-12-02 1997-09-04 Kvaerner Pulping Technologies Ab Method of bleaching pulp without using chlorine-containing chemicals
US6336994B1 (en) 1992-12-02 2002-01-08 Kvaerner Pulping Aktiebolag Totally chlorine free bleaching process using recovered filtrate
US5989387A (en) * 1993-07-23 1999-11-23 Tampella Power Oy Method for controlling chloride concentration in the flue gas of a recovery boiler
WO1995004188A1 (fr) * 1993-08-03 1995-02-09 Kvaerner Pulping Technologies Ab Procede integrant le blanchiment et la recuperation dans la production de pate a papier
WO1995018884A1 (fr) * 1994-01-04 1995-07-13 Nils Mannbro Procede de recuperation de substances chimiques et d'energie provenant d'effluents de blanchiment de pate a papier
US5855736A (en) * 1995-11-06 1999-01-05 Kvaerner Pulping Oy Method of reducing corrosion in a power boiler of a pulp mill

Also Published As

Publication number Publication date
SE7412638L (sv) 1976-04-09
SE435302B (sv) 1984-09-17

Similar Documents

Publication Publication Date Title
US4039372A (en) Bleach plant filtrate recovery
US3698995A (en) Digestion and bleaching of wood pulp followed by recovery of chemicals and countercurrent flow of wash water
US5853535A (en) Process for manufacturing bleached pulp including recycling
CA2155439A1 (fr) Usine effectuant la distillation de la pate a papier, la recuperation des sels et la gestion des eaux de traitement sans dechets residuels
CA1283512C (fr) Methode de cuisson au sulfite pour la production de cellulose a partir de materiaux a teneur de lignocellulose, avec recuperation des produits chimiques de cuisson
JPH08504005A (ja) 塩素含有薬品を使用せずにパルプを漂白する方法
US3909344A (en) Removal of sodium chloride from pulp mill operations
US3366534A (en) Complete chemical system for a kraft mill
AU2020222028B2 (en) A method of replacing sodium losses in a pulp mill, a method of producing bleached cellulosic pulp, and a system
US4329199A (en) Process for digesting and bleaching cellulosic material with reduced emissions
US5549788A (en) Minimal effluents discharge pulp mill with chemical recovery
US1689534A (en) Cyclic process for the manufacture of kraft pulp
CA1064206A (fr) Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure
WO1993004000A1 (fr) Production de soude caustique
US3954552A (en) Removal of sodium chloride from pulp mill systems
US4005060A (en) Method, applied in the production of tall oil, of preventing or reducing the emission of odorous sulphur compounds and/or acid sulphur combustion products from the black liquor recovery process in alkaline pulping
US5507912A (en) Kraft pulping process wherein sulphide-rich and sulphide-lean white liquors are generated
US20190112759A1 (en) Selective removal of k+ and cl- from recovery boiler electrostatic precipitator ashes in a kraft process
US3945880A (en) Sodium chloride removal in pulp mill systems
US3740307A (en) Recovery of sodium chloride from white pulping liquor
CA1059271A (fr) Suppression du chlorure de sodium dans les installations de fabrication de pate a papier
US3740308A (en) Recovery of sodium chloride from spent pulping liquors
Benjamin et al. A general description of commercial wood pulping and bleaching processes
CA1103412A (fr) Traduction non-disponible
WO1995018884A1 (fr) Procede de recuperation de substances chimiques et d'energie provenant d'effluents de blanchiment de pate a papier