MTP/MTO工艺技术成熟度？ agree with what have been posted above. i would like to share some development history and current commercial status of the uop/hydro methanol to olefin (mto) process technology. in 1992, uop joined with norsk hydro to develop the porosity-controlled mto-100 catalyst, a proprietary improvement of the sapo-34 with better stability and attrition resistance for use in a fluidized bed mto reactor. the mto-100 is the key to the uop/hydro mto process, which has been offered for license since 1995. the uop/hydro mto process uses a fluidized bed reactor at 420-480°c to achieve about 80[wiki]%[/wiki] carbon selectivity to light olefins (ethylene and propylene) at almost complete methanol con-version. the ethylene-to-propylene ratio can be modified within a range from about 0.75 to 1.5 by adjusting the operating severity, with higher temperatures leading to a higher percentage of eth-ylene produced. olefin yields and catalyst performance of the process have been verified at a 1,100 lb/d (0.5 t/d) methanol demonstration unit operated at hydro’s facilities in porsgrunn, nor-way. although no full-scale plant using the process has been licensed, several feasibility studies have been commissioned. in early 2008, uop announced that viva methanol limited, a subsidi-ary of eurochem, has selected the uop/hydro mto process technology to produce light olefins from natural gas-derived methanol at a new viva polymers ltd. facility in nigeria. the project will be the first commercial-scale installation of the mto process technology. the facility, located within the lagos free trade zone, nigeria, will produce 1.3 milliom mta olefins from methanol derived from natural gas, is scheduled to start up in 2012 [chemweek_08]. [ ]查看更多
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