Abstract
In aqueous systems, chlorinated hydrocarbons exhibit low chemical reactivity and nonbiodegradability due to its toxicity. Relative efficiencies of 1% and 5% Ni loaded on alumina, silica and titania as catalysts for conversion of 1,2-dichlorobenzene to muchochloric acid (MCA) were investigated at (20 ± 1) °C and ∼1 atm as function of time. All nickel loaded metal oxides gave good conversions and product selectivity toward MCA, with little mineralization. Ni/SiO2 showed superior conversion with selectivity of 89.9–100% toward MCA. The ozonation products were characterized by 1H NMR, IR, Mass and GC-MS, while the catalyst materials were characterized by BET, SEM, FT-IR, ICP, and XRD methods.
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