Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Halogenous component
Patent
1991-05-22
1993-04-13
Straub, Gary P.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Halogenous component
423DIG13, 2082621, 585612, 585641, 588205, 570227, C01B 700
Patent
active
052021025
ABSTRACT:
A process is disclosed which comprises: contacting a catalyst such as alumina silica, aluminosilicates, titanium oxide, magnesium oxide, and the metals of Groups III and IIB of the Periodic Table under reducing conditions with a gaseous mixture comprising elemental chlorine gas and a diluent under conditions effective to improve the ability of the catalyst to dehydrohalogenate halogenated hydrocarbons: contacting the catalyst with a halogenated hydrocarbon feedstock, the halogenated hydrocarbon feedstock with or without a carrier gas, in the gas phase under dehydrohalogenation conditions; and recovering a dehydrohalogenated product.
REFERENCES:
patent: 2249512 (1941-07-01), Wimmer et al.
patent: 2253471 (1941-08-01), Muskat et al.
patent: 2410541 (1946-11-01), Joyce
patent: 2593451 (1952-04-01), Hill et al.
patent: 2676997 (1954-04-01), Brown et al.
patent: 2803677 (1957-08-01), Neher et al.
patent: 2803678 (1957-08-01), Conrad
patent: 3268602 (1966-08-01), Goble et al.
patent: 3304336 (1967-02-01), Callahan
patent: 3553281 (1971-01-01), Goble et al.
patent: 3567794 (1971-03-01), Eberly
patent: 3637872 (1972-01-01), Berkowitz
patent: 3725304 (1973-04-01), Wilheim
patent: 3760015 (1973-09-01), Berkowitz
patent: 3870762 (1975-03-01), Stacey et al.
patent: 3892683 (1975-07-01), Germanas
patent: 3948804 (1976-04-01), Rausch
patent: 3968053 (1976-07-01), Rausch
patent: 4016068 (1977-04-01), Rausch
patent: 4225519 (1980-09-01), Reinhardt
patent: 4317800 (1982-03-01), Sloterdijk et al.
patent: 4485081 (1984-11-01), Magistro
patent: 4672146 (1987-06-01), Abrevaya et al.
patent: 4899001 (1990-02-01), Kalnes et al.
patent: 4982039 (1991-01-01), Benson et al.
Indian J. Technol., 1978, 16(6), pp. 223-231 Jun. 1978.
Indian J. Technol., 1878(16)6, pp. 232-237 Jun. 1978.
Derwent 45405 K/19 (abstract only of J58055-436) to Nissan Chem Ind. KK Sep. 26, 1981.
Derwent 83504B/46 (abstract only of J54130-506) to Daikin Kogyo KK Mar. 30, 1978.
Derwent 12223V/07 (abstract only of J48085-51) to Kureha Chem. Ind. Co., Ltd. Feb. 22, 1972.
Straub Gary P.
The Dow Chemical Company
Vanoy Timothy C.
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