Valorization of Cereal Based Biorefinery Byproducts: Reality and Expectations

Abstract

The growth of the biobased economy will lead to an increase in new biorefinery activities. All biorefineries face the regular challenges of efficiently and economically treating their effluent to be compatible with local discharge requirements and to minimize net water consumption. The amount of wastes resulting from biorefineries industry is exponentially growing. The valorization of such wastes has drawn considerable attention with respect to resources with an observable economic and environmental concern. This has been a promising field which shows great prospective toward byproduct usage and increasing value obtained from the biorefinery. However, full-scale realization of biorefinery wastes valorization is not straightforward because several microbiological, technological and economic challenges need to be resolved. In this review we considered valorization options for cereals based biorefineries wastes while identifying their challenges and exploring the opportunities for future process.

Low-Transition Temperature Mixtures (LTTMs) Made of Bioorganic Molecules: Enhanced Extraction of Antioxidant Phenolics from Industrial Cereal Solid Wastes

“…Financially viable directions for cereal-based biorefineries would therefore embrace a reorientation in the current cereal processing methodologies by implementing parallel production lines for the efficient exploitation of cereal processing wastes [3]. One of the most versatile classes of substances that occur in abundant industrial cereal solid wastes (ICSWs), such as brans, is polyphenols which are secondary plant metabolites with potential health benefits, attributed to their antioxidant activity, but also their antimicrobial, antiviral, and anti-inflammatory effects [4,5].…”

Anodic and cathodic microbial communities in single chamber microbial fuel cells

“…Microbial fuel cells (MFCs) are innovative systems for energy production from renewable biomass sources and from biomass derived wastes [1]. In an MFC bacteria can oxidize organic matter in anaerobic conditions and transfer the electrons to an anode that serves as solid electron acceptor.…”

Solid-State Fermentation as a Novel Paradigm for Organic Waste Valorization: A Review

“…Additionally, tapioca industry waste which contains considerable organic matter with a strong odor that could cause environmental pollution has been successfully converted into poly-3-hydroxybutyrate (PHB) via SSF, thus possibly becoming an alternative process and reducing the total production cost [55]. Food processing industries generate many by-products able to be used in SSF for producing valuable bio-products [28,56]. The use of fruits and vegetable waste for production of organic acid and vital enzymes has been widely reported [30].…”