FIELD: chemistry.
SUBSTANCE: invention relates to a catalytic composition containing disulphonic acid of cobalt phthalocyanine or chloro- and oxy-substituted derivative thereof, an alkaline agent, a synergetic additive and water, wherein the alkaline agent used is alkanolamine of formula (CH3)n-N-(CH2-CH2-OH)3-n where n=0-2, and the synergetic additive used is a linear (polyethylene glycol) or cyclic (crown ether) polyether, with the following ratio of components in wt %: disulphonic acid of cobalt phthalocyanine or chloro-and oxy-substituted derivative thereof 15-25, alkanolamine 7-25, polyethylene glycol or crown ether 0.5-4, water - up to 100.
EFFECT: high specific catalytic activity in demercaptanisation processes.
7 ex, 1 tbl
| Title | Year | Author | Number |
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SU910733A1 |
