Research Institute of Petroleum Processing, Sinopec

China Petroleum Chemical Corporation

China Paeto-chemical Corporation

Hongbo Ji

Peng Yu

Junfeng Rong

Jingxin Xie

Mingsheng Zong

Weiguo Lin

Genghuang Wu

Hongmei Liu

Xiaoyuan Wang

Jinfeng Wang

Ping Gao

Longxiu Dai

Qiwei Duan

Jinqiang Mo

Xiuqin Li

Jiuhua Chen

A nanocomposite has a core-shell structure with an outer shell and an inner core. The outer shell is a graphitized carbon film, and the inner core contains nickel oxide and alumina, with a nickel oxide content of 59%-80%, an alumina content of 19%-40%, and a carbon content of not more than 1%, based on the total weight of the nanocomposite. The process for catalytic combustion of volatile organic compounds may utilize the nanocomposite as a catalyst.

Carbon-coated nickel-aluminum nanocomposite, preparation method therefor and application thereof

A carbon-coated transition metal nanocomposite material includes carbon-coated transition metal particles having a core-shell structure. The shell layer of the core-shell structure is a graphitized carbon layer doped with oxygen and/or nitrogen, and the core of the core-shell structure is a transition metal nanoparticle. The nanocomposite material has a structure rich in mesopores, is an adsorption/catalyst material with excellent performance, can be used for catalyzing various hydrogenation reduction reactions, or used as a catalytic-oxidation catalyst useful for the treatment of volatile organic compounds in industrial exhaust gases.

Carbon-coated transition metal nanocomposite material, preparation and application thereof

Disclosed is a process for the preparation of bistriphenylsilyl chromate, wherein triphenylchlorosilane, potassium dichromate and any one selected from alkali metal oxides, alkali hydroxides and alkali metal carbonates are reacted in, as solvent, a mixture of glacial acetic acid and a hydrocarbon solvent at a certain temperature, whereby bistriphenylsilyl chromate having high purity can be obtained with high yield.

Process for the preparation of bistriphenylsilyl chromate

Growing community of inventors

Beijing, China

Hongbo Ji