Technologies for propylene oxide (PO) production are undergoing a flurry of activity, according to a new outlook from global energy consultancy Nexant, Inc. (www.nexant.com). Since the commercializati..
Technologies for propylene oxide (PO) production are undergoing a flurry of activity, according to a new outlook from global energy consultancy Nexant, Inc. (www.nexant.com). Since the commercialization of Sumitomo Chemical's PO-only route in 2003, other companies have declared their intentions of developing PO-only technologies. These new methods generally fall into four categories:
Cumene hydroperoxide-based propylene oxidation with cumene recycle (i.e., the Sumitomo process)
Hydrogen peroxide-based propylene oxidation
Direct propylene oxidation with oxygen technology
Direct propylene hydro-oxidation with oxygen and hydrogen.
New construction. Several companies have been d
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