The effect of poly(ethylene-alt-maleic anhydride) on the reduction crystallisation behaviour of nickel powder

T. F. Bodoza, F. Ntuli, D. F. Chauke, E. Muzenda

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The effect of poly(ethylene-alt-maleic anhydride) (EMA), an additive used in nickel powder precipitation, has been studied using sodium hypophosphite as a reducing agent. Reduction experiments were conducted using a 10L stainless steel batch reactor. The effect of EMA was investigated by studying the evolution of the particle size distribution (PSD) and its derived moments, specific surface area, rate of reduction, pH-redox potential and elemental composition of the powder product. EMA has been found to act as a reduction catalyst and anti-agglomerating agent. The major particulate processes identified were size dependent aggregation, molecular growth and breakage.

Original languageEnglish
Pages (from-to)822-829
Number of pages8
JournalCanadian Journal of Chemical Engineering
Issue number5
Publication statusPublished - May 1 2013


All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

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