Beeinflussung des Bleichprozesses bei Pflanzenölen |
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Authors: | Th. Krause |
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Abstract: | Influencing the Bleaching Processes of Vegetable Oils The report describes the influence of the acid-, water- and bleaching earth concentration to the parameters lovibond red, the content of carotene, phosphorus and heavy metals, the peroxid-, the anisidine- and extinction value at 232 nm. As an acid the citric acid has been used in different concentrations. After a bleaching process at 90°C the palm oil was bleached in a heat-bleaching-process at 260°C and a pressure of 1 mbar. The possibility of getting good bleaching with 0.5% bleaching earth by optimizing the bleaching process will be shown. |
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