| abstract |
This disclosure relates to hydrocarbon conversion, such as solid phosphoric acid (SPA) catalysts useful for oligomerization of olefins, methods for making such SPA catalysts, and methods for converting hydrocarbons by contacting the hydrocarbons with such catalysts. For example, in certain embodiments, the present disclosure provides a calcined solid phosphoric acid catalyst composition comprising phosphoric acid and silicon phosphate, wherein (i) each selected from the group consisting of boron, bismuth, tungsten, At least one promoter is present; (ii) said composition comprises a calcined product of a moldable mixture comprising silica-alumina clay, silica fibers and / or silica alumina fibers; Or (iii) the composition is a calcined product of a moldable mixture comprising fumed silica. |