PROCESS FOR THE PRODUCTION OF A GRANULE OF A COATED OXIDIZING COMPOUND SUCH GRANULE AND USES OF THE GRANULE

The invention provides a process for the production of a granule of a coated oxidizing compound which granule has good delayed release properties, said process comprising a) providing cores of an oxidizing compound produced by fluidized bed spray granulation, b) spraying on the oxidizing compound co...

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Hauptverfasser: MONTEITH, GEOFFREY, WATSON, WALTER, AFTEN, CARL, WEGNER, CAROLINE, LALAMA, RICHARD, ANDERSSON, CAROLINA, JOHANSSON, CECILIA, SVENSSON, MARKUS, EZZELARAB, MONA, SCHINKEL, FRANK, SANDQVIST, AJSE, OLSSON, LARSE
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creator MONTEITH, GEOFFREY
WATSON, WALTER
AFTEN, CARL
WEGNER, CAROLINE
LALAMA, RICHARD
ANDERSSON, CAROLINA
JOHANSSON, CECILIA
SVENSSON, MARKUS
EZZELARAB, MONA
SCHINKEL, FRANK
SANDQVIST, AJSE
OLSSON, LARSE
description The invention provides a process for the production of a granule of a coated oxidizing compound which granule has good delayed release properties, said process comprising a) providing cores of an oxidizing compound produced by fluidized bed spray granulation, b) spraying on the oxidizing compound cores an aqueous solution of metal sili- cate in a fluidized bed, said aqueous solution comprising at least 15 % by weight metal silicate, and c)drying to form a metal silicate coating layer on the oxidizing compound core, provided that the amount of metal silicate coating layer is at least 8%,preferably at least 10 % by weight based on the total weight of the granule. The invention also provides such granule andwell treatment fluids including such granule, and processes for use.
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subjects ADHESIVES
CHEMISTRY
COMPOUNDS THEREOF
DYES
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
POLISHES
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title PROCESS FOR THE PRODUCTION OF A GRANULE OF A COATED OXIDIZING COMPOUND SUCH GRANULE AND USES OF THE GRANULE
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