Supported noble metal catalyst, preparation method thereof and method for treating hexavalent chromium in water body

The invention relates to the technical field of industrial wastewater treatment, and discloses a supported noble metal catalyst and a preparation method thereof, and a method for treating hexavalent chromium in a water body, and the preparation method of the supported noble metal catalyst comprises...

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Hauptverfasser:	CAO YUHONG, LI MINGHUI, YU DAILIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator	CAO YUHONG LI MINGHUI YU DAILIANG
description	The invention relates to the technical field of industrial wastewater treatment, and discloses a supported noble metal catalyst and a preparation method thereof, and a method for treating hexavalent chromium in a water body, and the preparation method of the supported noble metal catalyst comprises the following steps: A1, carrying out amino functionalization treatment on silicon oxide nano microspheres, the amino groups are grafted to the silicon oxide nanometer microspheres, and an intermediate is obtained; a2, adding a noble metal solution into the intermediate, stirring, then adding an ascorbic acid solution, heating and refluxing, and finally filtering and drying to obtain the amino-functionalized supported noble metal catalyst. By introducing amino functional groups, the dispersity of noble metal particles can be improved, and active sites can be increased, so that the catalytic activity of the catalyst is improved, the catalytic activity of the aminated noble metal catalyst is high, and the aminated no
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subjects	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title	Supported noble metal catalyst, preparation method thereof and method for treating hexavalent chromium in water body
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