Advanced treatment methods of melanoidin for the effective remediation of distillery spentwash
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2023
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Abstract
The melanoidin-containing wastewater, particularly distillery spentwash possesses very high loads of chemical oxygen demand (COD) and other organic and inorganic pollutants. The discharge of this dark brown colour wastewater to water bodies results in eutrophication, reduction of dissolved oxygen level, obstruction of sunlight penetration, inhibition of photosynthesis of aquatic plants and groundwater contamination. The treatment efficacies of the conventional methods are quite low due to the poor biodegradability of melanoidin. In this regard, the present study explores adsorption, advanced oxidation process, and photocatalysis to remove melanoidin from wastewater. In addition, the bioprocessing of molasses to produce alternative metabolite biosurfactants has been investigated to decrease the pollution load of wastewater. Chapter 1 and chapter 2 demonstrate the introduction and literature review on melanoidin removal in distillery spentwash.
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Supervisors: Pandey, Lalit Mohan and Kundu, Lal Mohan