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In spite of previous reports, nickel catalysts appeared active in hydrodechlorination of 1,2-dichloroethane, producing ethylene with very high selectivity (up to 97%) at low temperatures of reaction (210–230°C). In addition, at these temperatures, nickel deactivation by surface chloriding, observed by others, does not practically occur. The use of different nickel salts (chloride, nitrate, acetate)...
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