[go: up one dir, main page]

Dyhr et al., 1999 - Google Patents

Effects of zeolite addition on the manganese catalyzed decomposition of hydrogen peroxide

Dyhr et al., 1999

Document ID
1357482230498726578
Author
Dyhr K
Sterte J
Publication year
Publication venue
Journal of porous Materials

External Links

Snippet

Manganese catalyzed decomposition of hydrogen peroxide in the presence of various zeolites was investigated at different pH values, Mn concentrations and zeolite: Mn ratios. Depending upon the level of these parameters the zeolites studied displayed both catalytic …
Continue reading at link.springer.com (other versions)

Classifications

    • 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
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1042Use of chelating agents
    • 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
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching; Apparatus therefor
    • D21C9/16Bleaching; Apparatus therefor with per compounds
    • D21C9/163Bleaching; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • 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
    • C02F1/70Treatment of water, waste water, or sewage by reduction

Similar Documents

Publication Publication Date Title
Mustranta et al. Dewatering of activated sludge by an oxidative treatment
US5470480A (en) Process for treating waste water effluent
US5227022A (en) Process for increasing pulp brightness with zeolites and easily decomposable organic chelating agents
DE69016678T2 (en) PEROXYCARBOXIC ACID GENERATOR.
US4661205A (en) Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal
CA2155124C (en) Inhibition of hydrogen peroxide decomposing enzymes, e.g. catalase and peroxidase during bleaching of cellulose fibers
PT1975310E (en) Process for the control of pitch
EP0317921B1 (en) Bleaching agent additive
Brown et al. Effects of metal ions and stabilisers on peroxide decomposition during bleaching
Dyhr et al. Effects of zeolite addition on the manganese catalyzed decomposition of hydrogen peroxide
Hobbs et al. The role of the hydroxyl radical in peroxide bleaching processes
RU2131491C1 (en) Method of bleaching cellulose pulp (its version), biodegradable chelation agent for bleaching cellulose pulp with hydrogen peroxide, and method of removing printer's ink from cellulose pulp
Sain et al. Bleach activation of thermomechanical pulp
Parra et al. Hydroxamate iron complex with phenoloxidase activity acting on lignin and chlorolignins
RU2021408C1 (en) Method of treatment of sewage sediment from paper production
Hoang et al. Application of magnetically recyclable ZSM-5 zeolite for enhancement of peroxide bleaching of thermal-mechanical pulp
Wekesa et al. Stabilization of manganese (Mn)-induced peroxide decomposition
Dyhr Zeolites in pulp bleaching
CA2377695A1 (en) Method for eliminating detrimental substances in a process liquid
Finnegan Novel methods in peroxide bleaching
Hobbs The role of radical species in peroxide bleaching processes
Finnegin et al. Peroxide bleaching with zeolites Part 2: Bleaching of pine TMP and eucalypt CCS
Dyhr et al. Use of zeolites in hydrogen peroxide bleaching of pulp
Finnegin et al. Peroxide bleaching using zeolites Part 1: peroxide decomposition
Banat et al. Photodegradation of methylene blue dye using bentonite as a catalyst