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Comparative kinetic study for the conversion of lactose and whey permeate powder into 5-hydroxymethylfurfural

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  2021 ASABE Annual International Virtual Meeting  2100747.(doi:10.13031/aim.202100747)
Authors:   Surabhi Pandey, Miss, Marie Josee Dumont, Dr., Valerie Orsat, Dr.
Keywords:   5-hydroxymethylfurfural; Lactose; Reaction kinetics; Simulink; Whey permeate

Abstract. The worldwide whey production is estimated at 180-190 x 106 ton/year, out of which only 50% is further processed. The dairy industry is currently dealing with the whey permeate surplus by selling it as dry permeate powder, through incorporation into animal feed, or simply disposing it as waste. However, the disposal of surplus whey requires extensive pretreatments due to its high biological oxygen demand (30 to 50g/L), which incur additional operating costs to the dairy industries. Therefore, this work aimed at converting whey permeate powered residues into 5-hydroxymethylfurfural (HMF), a platform chemical currently being used in several industries including personal care products, lubricants, adsorbents, electronics, photography, batteries, and drug delivery systems. To further gain insights about the HMF formation we have conducted a reaction kinetics study to determine the reaction pathways followed during the conversion. The study showed the influence free amino groups present in whey permeate powder, and how the HMF formation happens through different routes in Lactose.

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