摘要:
A novel fluorination catalyst and its preparation, by reacting a hydrated oxide of trivalent chromium with hydrogen fluoride, is described as having utility in fluorinating halogenated aliphatic hydrocarbon.
摘要:
PROCESS FOR REGENERATING FLUORINATION CATALYSTS OF THE CHROMOXY-FLUORIDE GROUP, WHEREIN HYDROGEN FLUORIDE IS PASSED OVER THE CATALYST AT 100*-600*C. IN AN AMOUNT OF AT LEAST 5 G. PER LITER OF CATALYST PER HOUR. BY THE PROCESS THE INITIAL ACTIVITY OF SAID CATALYSTS CAN BE RESTORED IN AN ECONOMIC WAY.