&amp;lt;i&amp;gt;Co-Products and Biofuels from Guar and Guayule Processing Residues&amp;lt;/i&amp;gt;

Audu, Meshack; Dehghanizadeh, Mostafa; Cheng, Feng; Bayat, Hengameh; Holguín, F. Omar; Jena, Umakanta; Brewer, Catherine E.

doi:10.13031/aim.201900361

Cited by 2 publications

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“…It is estimated that 4 Mt of lignocellulosic bagasse can be generated from 400 000 ha of guayule . Guayule bagasse is mainly composed of cellulose, hemicellulose, lignin, residual resin, and various plant proteins and lipids; the composition varies substantially with extraction and pretreatment methods, cultivation site, harvest date, shrub strain, shrub age, and storage conditions. , Analysis of resin-free bagasse estimated the protein content at 22–24 wt % with an attractive higher heating value of 18–24 MJ. Amino acids constitute around 18% of leaf and wood residues after resin and rubber removal . Besides bioenergy applications, − other proposed applications for guayule bagasse include soil amendments, termite-resistant composite boards, , paper, and adsorbents for removal of contaminants from aqueous solutions …”

Section: Potential Sources Of Low-cost Plant Feedstockmentioning

confidence: 99%

Recovery of Nitrogen from Low-Cost Plant Feedstocks Used for Bioenergy: A Review of Availability and Process Order

et al. 2021

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The cost of feedstock is often a major barrier to commercialization for lignocellulosic biofuels. Much of the research on biofuel and biobased chemical production has focused on the carbohydrate, lignin, and lipid components of biomass. There are numerous opportunities for the use of lower-cost feedstocks if more attention were devoted to the recovery and utilization of the protein and other N-containing components. This review compiles data from the last two decades on nonedible/ nonpalatable agricultural residues, deoiled seedcakes, bioethanol and biogas residues, and food wastes, with a focus on the amounts and types of N-containing components. Given the challenges of removing N-containing compounds from biofuel intermediates postconversion, a case is made for the extraction and purification of proteins (and other N-containing compounds) from low-cost lignocellulosic biomass before conversion to fuel. The goal of such processes is to avoid difficult fuel upgrading steps while enhancing the opportunities for additional biorefinery products and sustainable nitrogen cycles.

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