Optimization of Light Hydrocarbon Resources and Its Economical Analysis

After discussing economics on using refinery dry gases and propane as fee dstocks of steam cracker and using olefin dispro-portionation technology to produce propylene,this article concludes t hat refinery dry gases are good crack ing feedstocks and have ad-vantages of low investment and consu mption.The article also points out t hat the appropriate price critical p oint of using propane as ethylene feedstock and using olefin disproportionation technology to p roduce propylene is an effective way adapted to future propylene development trend and to avoid competing with low cost ethylene in middle east.