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Response surface modeling of acid activation of raw diatomite using in sunflower oil bleaching by: Box–Behnken experimental design

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Abstract

The optimum conditions for acid activation of diatomite for maximizing bleaching efficiency of the diatomite in sun flower oil treatment were studied. Box–Behnken experimental design combining with response surface modeling (RSM) and quadratic programming (QP) was employed to obtain the optimum conditions of three independent variables (acid concentration, activation time and solid to liquid) for acid activation of diatomite. The significance of independent variables and their interactions were tested by means of the analysis of variance (ANOVA) with 95 % confidence limits (α = 0.05). The optimum values of the selected variables were obtained by solving the quadratic regression model, as well as by analyzing the response surface contour plots. The experimental conditions at this global point were determined to be acid concentration = 8.963 N, activation time = 11.9878 h, and solid to liquid ratio = 221.2113 g/l, the corresponding bleaching efficiency was found to be about 99 %.

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Authors and Affiliations

  1. The Faculty of Natural and Life Sciences, Laboratory of BGMSS, Mascara University, P.O. Box 763, 29000, Mascara, Algeria

    M. Larouci, M. Safa, B. Meddah, A. Aoues & P. Sonnet

  2. Department of Biology, Laboratory of Experimental Biotoxicology, Biodepollution and Phytoremediation, University of Es-Senia, Oran, Algeria

    M. Larouci, M. Safa, B. Meddah & A. Aoues

  3. Laboratoire des glucides‐ FRE‐CNRS 3517, UFR de Pharmacie, Université de Picardie, 80037, Amiens, France

    P. Sonnet

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  1. M. Larouci
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  2. M. Safa
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  3. B. Meddah
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  4. A. Aoues
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  5. P. Sonnet
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Correspondence to M. Larouci.

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Larouci, M., Safa, M., Meddah, B. et al. Response surface modeling of acid activation of raw diatomite using in sunflower oil bleaching by: Box–Behnken experimental design. J Food Sci Technol 52, 1677–1683 (2015). https://doi.org/10.1007/s13197-013-1113-9

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  • DOI: https://doi.org/10.1007/s13197-013-1113-9

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