http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Study of alkylation on a Lewis and Brønsted acid hybrid catalyst and its industrial test
Naiwang Liu,Xin Pu,Xin Wang Li Shi,Li Shi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.5
A novel catalyst ZnBr2 modified bentonite is prepared. Pyridine adsorbed FTIR spectra demonstrated the amount of Brønsted and Lewis acid was improved to 2 and 5 times, respectively. Thermal analysis indicated the thermal stability of ZnBr2-bentonite could reach 350 ℃. Mechanism research led to an interesting hypothesis that in the former stage, the active position is Brønsted acid sites and in the later stage, both Lewis acid and Brønsted acid sites act as active positions. Industrial test showed the ability of ZnBr2-bentonite to remove olefins is 17 times higher than that of bentonite, and the industrial application prospect is good.