Yokoi H, Obita T, Hirose J, Hayashi S, Takasaki Y
Flocculation properties of pectin in various suspensions. [Journal Article]
Bioresour Technol 2002 Sep; 84(3):287-90.
Pectin had a flocculating activity and its flocculating activities in various suspensions were investigated. Flocculating activity of pectin in a kaolin suspension was markedly stimulated by the addition of Al3+ and Fe3+ to the suspension. Optimum temperature for flocculating activity of pectin in the kaolin suspension was around 30 degrees C and high flocculating activity was obtained when 30 mg/l of pectin and 0.2 mM Fe3+ were added to the suspension. Other inorganic suspensions of activated carbon and acid clay were flocculated by pectin in the presence of Al3+ or Fe3+. Flocculation of organic suspensions such as cellulose and yeast by pectin occurred when 0.1-0.2 mM Fe3+ was present in the suspensions.
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