Abstract:
Ethylene is compressed to a reaction pressure of 1 500 bar, initiated with
air or oxygen and passed to an autoclave reactor. This has an L/D ratio of
10/1. Lower conversions of 15-20 percent per pass at residence terms of 30
seconds to 2 minutes. Molecular weight distributions tailored to specific
needs are possible.
Separation sequence is similar to the tubular reactor apart from the
difference that more ethylene is recycled due to the low conversion.