Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain

W. Alex Marvin; Lanny D. Schmidt; Saif Benjaafar; Douglas G. Tiffany; Prodromos Daoutidis

doi:10.1016/j.ces.2011.05.055

Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain

W. Alex Marvin, Lanny D. Schmidt, Saif Benjaafar, Douglas G. Tiffany, Prodromos Daoutidis

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187 Scopus citations

Abstract

This paper presents an optimization study of the net present value of a biomass-to-ethanol supply chain in a 9-state region in the Midwestern United States. The study involves formulating and solving a mixed integer linear programming (MILP) problem. A biochemical technology is assumed for converting five types of agricultural residues into ethanol utilizing dilute acid pretreatment and enzymatic hydrolysis. Optimal locations and capacities of biorefineries are determined simultaneously with biomass harvest and distribution. Sensitivity analysis is performed to elucidate the impact of price uncertainty on the robustness of the supply chain and whether or not the proposed biorefineries will be built or will fail financially after being built.

Original language	English (US)
Pages (from-to)	68-79
Number of pages	12
Journal	Chemical Engineering Science
Volume	67
Issue number	1
DOIs	https://doi.org/10.1016/j.ces.2011.05.055
State	Published - Jan 1 2012

Bibliographical note

Funding Information:
We are grateful for the assistance by Adam Terlson on generating Google Maps driving distances between all locations. The work carried out in this paper was supported by a grant from the University of Minnesota Initiative for Renewable Energy and the Environment (large grant RL-0004-09 ).

Keywords

Economics
Energy
Fuels
Mixed integer programming
Optimization
Supply chain design

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Economic Optimization of a Lignocellulosic Biomass-to-Ethanol Supply Chain

Abstract

Bibliographical note

Keywords

UN SDGs

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