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[9002330.] رقم البحث : 9002330 - |
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Application of nano-hydroxyapatite in sugar cane juice clarification / تطبيق استخدام النانو هيدروكسي ابيتايت في معالجة عصير قصب السكر |
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Egyptian sٍugar journal / |
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Sugar technology |
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In this study, the application of nano-hydroxyapatite (NHA) in the clarification of mixed cane juice ”MJ” were investigated via batch experiments in pilot scale. Control points ( pH, doses, retention time, color, and turbidity) of this process were evaluated compared with traditional sulfitation process. The results were evaluated using statistical T- test. The results showed that the most proper pH, doses and retention time are 7.5, 300 ppm, and 1.5 hr, respectively. Since, applying such values led to significant reduction in turbidity and color of clear juice (55 % and 19 % respectively) compared with traditional sulfitation and phosphation process. These results mean a predicted soft scale formed in the evaporators, lower in color of produced sugar , higher sugar recovery, removing the cost of sulfur, and minimize the cost of calcium oxide to the half. The results were discussed via properties of hydroxyapatite and its highest surface area that adsorbs denatured proteins, prevent formation of melanoidin coloring compounds and promote clarification efficiency. |
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