Chemometric analysis of cow dung ash as an adsorbent for purifying biodiesel from waste cooking oil

This article discusses a novel way of purifying biodiesel without using water in the biodiesel purification process.In this work, waterless purification of biodiesel has been investigated using cow dung ash as an adsorbent. This method is used to eliminate aqueous effluent, which might cause a harmful environmental impact. This research, through which the author was able to find optimum concentration of cow dung ash for biodiesel purification through chemometric analysis by comparing the Fourier transform infrared transmission spectral characteristics of cow dung ash with the water treated FTIR. Overall, this work proved that the use of bio-waste cow dung ash is an effective adsorbent in purifying biodiesel analogous to traditional water washing technology.

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