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Review
. 2020 Apr 28:8:370.
doi: 10.3389/fbioe.2020.00370. eCollection 2020.

Review on Bioenergy Storage Systems for Preserving and Improving Feedstock Value

Lynn M Wendt  1   2   3 , Haiyan Zhao  3
Affiliations
Review

Review on Bioenergy Storage Systems for Preserving and Improving Feedstock Value

Lynn M Wendt et al. Front Bioeng Biotechnol. .

Abstract

Long-term storage is a necessary unit operation in the biomass feedstock logistics supply chain, enabling biorefineries to run year-round despite daily, monthly, and seasonal variations in feedstock availability. At a minimum, effective storage approaches must preserve biomass. Uncontrolled loss of biomass due to microbial degradation is common when storage conditions are not optimized. This can lead to physical and mechanical challenges with biomass handling, size reduction, preprocessing, and ultimately conversion. This review summarizes the unit operations of dry and wet storage and how they may contribute to preserving or even improving feedstock value for biorefineries.

Keywords: biofuels; biomass; feedstock logistics; long-term storage; recalcitrance.

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Figures

FIGURE 1
FIGURE 1
Unit operations in the conversion of lignocellulosic biomass to fuels and chemicals through a biochemical conversion approach. This review will describe the impact of long-term storage (gray box) on conversion operations.
FIGURE 2
FIGURE 2
Biomass plant cell wall structure. Photo credit: U.S. Department of Energy Genomic Science Program. https://genomicscience.energy.gov.
FIGURE 3
FIGURE 3
Cellulose backbone consisting of D-glucose molecules linked in the β-1,4 position and rotated 180 degrees from each other.
FIGURE 4
FIGURE 4
Graphical description of cellulose microbifibrils (brown) surrounded by hemicellulose (blue) and pectin (red). Adapted from Cosgrove, 2005.
FIGURE 5
FIGURE 5
Lignin alcohol precursors and resulting monolignins.
FIGURE 6
FIGURE 6
Corn stover bale stack at a satellite storage location.
FIGURE 7
FIGURE 7
Collection of corn stover with forage chopper into a walking floor trailer.
FIGURE 8
FIGURE 8
Simultaneous formation and compaction of a drive over storage pile with corn stover unloaded from walking floor trailers.
FIGURE 9
FIGURE 9
Covered drive over storage pile.
See this image and copyright information in PMC

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