The process technology and economics for making polymer grade propylene via enhanced FCC processes are assessed. Production economics are compared for enhanced FCC versus conventional FCC with ZSM- additive versus conventional naphtha steam cracking.
The chemistry, process technology and production economics for sulfuric acid manufacture are presented. The historical development of various process routes are reviewed and a detailed description of the modern double absorption contact process is presented. Regional supply/demand balances out to 2013 are given.