Following Flixborough one company did devise a lower inventory
process but abandoned the development programme when it became clear
that no new plants would be needed in the foreseeable future. Union
Carbide have described an improved pot reactor for gas/liquid reactions8
.
The gas is added to the vapour phase and is pulled down into the liquid
by a down-pumping impeller which is used in place of a conventional
stirrer. Higher gas solution rates are said to be obtainable without the risk
of high local concentrations and the conversion is improved.