Production of cello‐oligosaccharides through the biorefinery concept: A technical‐economic and life‐cycle assessment

Abstract

Producers look for co-products to increase the value chain and production flexibility. With a high market aggregate value, the production of cello-oligosaccharides (COS) as functional oligosaccharides from cellulosic substrates has been investigated. As COS/cellopentaose production process are rarely described in the literature, this study estimated the cellopentaose production cost and performed a lifecycle assessment of the cellopentaose production process previously developed using sugarcane straw as a substrate. The results demonstrated that, through the six scenarios studied, it was possible to obtain a cellopentaose unit production cost varying between USD 0.40 and 1.15/mg, and that optimization in the upstream sector can reduce the total plant direct cost and the overall life-cycle impact. The results also

Xylooligosaccharides: A Bibliometric Analysis and Current Advances of This Bioactive Food Chemical as a Potential Product in Biorefineries’ Portfolios

“…Barbosa et al [ 110 ] assessed the economic and environmental perspective of the co-production of cello-oligosaccharides (COS) and XOS from sugarcane straw (COS is the main product and XOS the byproduct). Regarding the capital expenditures of their most optimistic scenario, the higher fraction (78%) was related to the COS production stage, followed by the XOS production stage (12%), and sugarcane pretreatment (~10%), indicating that the costs related to XOS purification (chromatography costs) tend to be higher than the costs related to sugarcane straw pretreatment in higher scales.…”