Dyhr et al., 1999 - Google Patents
Effects of zeolite addition on the manganese catalyzed decomposition of hydrogen peroxideDyhr 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 …
- 239000010457 zeolite 0 title abstract description 111
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
- D21C9/00—After-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
- D21C9/10—Bleaching; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating agents
-
- 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
- D21C9/00—After-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
- D21C9/10—Bleaching; Apparatus therefor
- D21C9/16—Bleaching; Apparatus therefor with per compounds
- D21C9/163—Bleaching; Apparatus therefor with per compounds with peroxides
-
- 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
- D21C9/00—After-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
- D21C9/10—Bleaching; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment 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 |