Patent ID: 9701557
Date: 2017-07-11
CPC Classifications: B01J,C02F

Claim:
1. A method of treating cyanide containing material comprising exposing the cyanide containing material to ClO 2 − and a manganese porphyrazine catalyst having a structure of formula VI: wherein a is the oxidation state II, III or IV of the Mn and each of A when N when N is selected, only one in each set of A each R Ar is substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, or substituted or unsubstituted naphthyl and when Ar is the phenyl in —CH n is 1 to 10; m is 1 to 200; p is 1 or 2; X is COOH, COO(alkyl L