R. Jansson, N. Tomov
May 1, 1980
Citations
0
Influential Citations
10
Citations
Journal
Electrochimica Acta
Abstract
Abstract The dehydrodimerisation of diethyl malonate to ethyl-1,1,2,2, ethane tetracarboxylate has been studied in six varieties of cell — a pump cell, a capillary gap cell, a bipolar trickle tower, a paralled plate cell, a parallel plate cell with turbulence promoters and a poorly stirred tank — with potassium iodide as electrolyte. At low conversion the simplest cells give the most ideal performance, since the anolyte and catholyte layers are naturally segregated from the bulk and the stable malonate anion reacts with electrogenerated iodine in the reactor loop where mixing is good. At higher conversions, the segregation leads to the formation of a sequential product, ethyl-1,1,2,2, ethene tetracarboxylate, and it is the cells with greater mixing that give the greater specificity.