Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1974-07-22
1977-06-21
Gantz, Delbert E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260656R, 260659A, 423481, C07C 2100
Patent
active
040311490
ABSTRACT:
There is disclosed an improved method of making chlorinated derivatives of ethylene wherein chlorine-containing by-products are burned in a catalytic combustion reactor to produce primarily a hydrogen halide which is recycled to the chlorinated derivative reaction and the heat of combustion from said reactor is utilized to preheat the materials used in said chlorinated derivative reaction. The catalyst employed is one containing 5% to 20% of UO.sub.3 (uranium trioxide) on 80% to 95% Al.sub.2 O.sub.3, SiO.sub.2 or a combination of Al.sub.2 O.sub.3 and SiO.sub.2 as a support and having a surface area of at least 50 square meters per gram. The catalytic combustion reaction is carried out at temperatures in the range of about 350.degree. C. to about 450.degree. C. to produce a mixture of gases containing essentially hydrogen chloride and being substantially free of elemental chlorine and chlorohydrocarbon compounds, said gases being then mixed with ethylene and reacted to form ethylene dichloride (EDC).
REFERENCES:
patent: 3453073 (1969-07-01), Sims
patent: 3879481 (1975-04-01), Sze et al.
Boska Joseph A.
Gantz Delbert E.
The B. F. Goodrich Company
Wymbs Roy P.
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