NANOPOROUS SOLID ACID BASED ON SILICA AEROGEL AND PREPARATION METHOD THEREFOR

The present invention provides a nanoporous solid acid based on a silica aerogel and a preparation method therefor. In the nanoporous solid acid based on a silica aerogel of the present invention, the solid acid is dispersed in a nanoporous structure of the silica aerogel, and the weight ratio of th...

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Bibliographische Detailangaben
Hauptverfasser:	ZHU, Hao, PANG, Denghong, LUO, Chenghao, HUANG, Ronghua, HUANG, Long
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention provides a nanoporous solid acid based on a silica aerogel and a preparation method therefor. In the nanoporous solid acid based on a silica aerogel of the present invention, the solid acid is dispersed in a nanoporous structure of the silica aerogel, and the weight ratio of the solid acid to the silica aerogel is 1:10-100. In addition, the present invention also provides use of the nanoporous solid acid based on a silica aerogel in catalyzing the Maillard reaction intermediate pyrolysis. The research finds that the nanoporous solid acid based on a silica aerogel of the present invention has higher catalytic activity than the conventional solid acid to the Maillard reaction intermediate pyrolysis, and can promote release of aroma substances. La présente invention concerne un acide solide nanoporeux à base d'aérogel de silice et son procédé de préparation. Dans l'acide solide nanoporeux à base d'un aérogel de silice de la présente invention, l'acide solide est dispersé dans une structure