ammoxidation

ammoxidation

[‚am‚äk·sə′dā·shən]
(chemical engineering)
A process in which mixtures of propylene, ammonia, and oxygen are converted in the presence of a catalyst, with acrylonitrile as the primary product. Also known as ammonoxidation; oxyamination.
References in periodicals archive ?
They begin by describing the fundamentals of integrated process design, then get into specifics by describing case studies relating to process synthesis using the hierarchical approach, synthesis of separator systems, reactor/separation/recycling systems, phenol hydrogenation to cyclohexone, alkylation of benzene by propylene to cumene, vinyl chloride monomer processing, fatty-ester synthesis by catalytic distillation, isobutane alkylation, vinyl acetate monomer processing, acrylonitrile by propene ammoxidation, biochemical processes for nitrogen oxide removal, polyvinylchloride manufacturing by suspension polymerization, biodiesel and bioethanol manufacturing.
MXDA has been manufactured by ammoxidation of pure meta-xylene into isophthalonitrile, followed by hydrogenation of the nitrile in the presence of ammonia using a nickel catalyst or other metallic catalyst under high temperature and pressures.
5,883,281 that covers a process for increasing the yield of acrylonitrile by adding oxygen to reduce inerts in an ammoxidation process.
Table 13: Asia Pacific, Acrylonitrile Industry, Installed Plant Capacity by Propylene Ammoxidation, 2011 28
BP Chemicals' interest in propane ammoxidation began several years ago when the company decided to explore a one-step catalytic process for producing acrylonitrile from propane, ammonia and oxygen.
Though lower cost options are available, the only process technology that is expected to affect propylene consumption is the propane ammoxidation route to acrylonitrile.
today announced the successful operation of a first-stage demonstration unit for the production of acrylonitrile from propane ammoxidation.
The new reactor uses the BP Chemicals proprietary, fluid-bed propylene ammoxidation process and the company's newest high efficiency catalyst, C49MC.
The company, for 40 years the world leader in propylene-based technology for acrylonitrile, has developed a propane ammoxidation process offering nearly 20% lower production costs compared to the propylene route.
The new reactor will use the latest generation of BP Chemicals proprietary, fluid-bed propylene ammoxidation process, developed by company scientists in the mid-1950's.
is the world's leading acrylonitrile producer, using a proprietary one-step ammoxidation technology (called the Sohio process) developed in 1960.