Michigan State University

Wisconsin Alumni Research Foundation

Montana State University

David B Hodge

Eric Linke Hegg

Shannon S Stahl

Bryan Bals

Zhaoyang Yuan

Vaidyanathan Mathrubootham

Thomas Dominic Russo, Jr

Zhenglun Li

Aditya Bhalla

Namita Bansal

An improved alkaline pretreatment of biomass is provided that is a single-stage, two oxidant alkaline oxidative pretreatment process. The process uses a homogenous catalyst with at least two oxidants (Hydrogen peroxide and enhanced levels of oxygen) in an alkaline environment to catalytically pretreat lignocellulosic biomass in a single-stage oxidation reaction. The provided single-stage alkaline-oxidative pretreatment improves biomass pretreatment and increase enzymatic digestibility to improve the economic feasibility of production of lignocellulose derived sugars.

Economical methods for performing oxidative catalytic pretreatment of plant biomass using a single-stage two oxidant process

A homogeneous catalyst is provided comprising one or more metals; and at least two metal coordinating ligands wherein the homogeneous catalyst is a multi-ligand metal complex adapted for use with an oxidant in an oxidation reaction to catalytically pretreat lignocellulosic biomass. In one embodiment, the homogenous catalyst is copper (II) 2, 2' bipyridine ethylenediamine (Cu(bpy)en). Related methods are also disclosed.

Methods of using multi-ligand metal complexes to perform oxidative catalytic pretreatment of lignocellulosic biomass

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Bozeman, MT, United States of America

David B Hodge