What is the Commercial purification method for Levulinic Acid?

24 September 2020 1 5K Report

Levulinic acid produced from wheat straw biomass through acid (HCl) catalysed hydrolysis. Please suggest an economical and commercial method for the purification of levulinic acid.

Carlos Araújo Queiroz

I suggest that you go through the signalled patent literature:

World Patents WO 2014 037560 A1, WO 2015 063033 A1, and WO 2017 064069 A1;

European Patent EP 3 156 389 A1;

US Patents 3,065,263, US 3,258,481, US 6,054,611, US 8,426,619 B2, US 10,239,814 B2, and US 10,618,864 B2.

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