2004•Journal of Nanjing UniversityRequires access

Alkylation of naphthalene with isopropanol over 12-Tungstophosphoric acid supported on γ -alumina

Yanru Wang

Abstract

Alkylation of naphthalene with isopropanol in the 100 mL batch stainless-steel autoclave with stirring was studied using 12-tungstophosphoric acid (PW) supported on alumina as catalyst. The XRD and NH_3-TPD spectra of samples showed that PW could be highly dispersed on the surface of alumina and has the highest acid amount until the concentration of PW is 40% by weight. It is preferable for the production of 2,6-DIPN. The experiment showed that 40% PW/ γ -Al_2O_3 exhibits the highest catalytic activity and the suitable activated temperature and reaction temperature are 573 K and 473 K respectively.

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Key concepts: Naphthalene, Alkylation, Catalysis, Autoclave, Chemistry, Nuclear chemistry, Inorganic chemistry, Organic chemistry