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Open AccessJournal ArticleDOI

Increasing the revenue from lignocellulosic biomass: Maximizing feedstock utilization

TLDR
This work proposes a biomass conversion strategy that maximizes the conversion of lignocellulosic biomass into high-value products that can be commercialized, providing the opportunity for successful translation to an economically viable commercial process.
Abstract
The production of renewable chemicals and biofuels must be cost- and performance- competitive with petroleum-derived equivalents to be widely accepted by markets and society We propose a biomass conversion strategy that maximizes the conversion of lignocellulosic biomass (up to 80% of the biomass to useful products) into high-value products that can be commercialized, providing the opportunity for successful translation to an economically viable commercial process Our fractionation method preserves the value of all three primary components: (i) cellulose, which is converted into dissolving pulp for fibers and chemicals production; (ii) hemicellulose, which is converted into furfural (a building block chemical); and (iii) lignin, which is converted into carbon products (carbon foam, fibers, or battery anodes), together producing revenues of more than $500 per dry metric ton of biomass Once de-risked, our technology can be extended to produce other renewable chemicals and biofuels

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Journal ArticleDOI

Highly Bleachable Wood Fibers Containing Less Condensed Lignin from Acid Hydrotropic Fractionation (AHF)

TL;DR: The authors evaluated the bleachability of wood fibers from acid hydrotropic fractionation (AHF) of birch using p-toluenesulfonic acid (p-TsOH) at low temperatures below 90 °C.
Journal ArticleDOI

Lewis acid-mediated aqueous glycerol pretreatment of sugarcane bagasse: Pretreatment recycling, one-pot hydrolysis and lignin properties

TL;DR: In this article, Sugarcane bagasse was pretreated with lewis acid-mediated glycerol, results showed that 98.47% glucan recovery, 95.31% xylan removal and 49.69% delignification were achieved by pretreatment using 80 ¼wt% aqueous glycerols combined with 1.0 ¼ kg AlCl3 at 150 ¼C for 1h.
Journal ArticleDOI

Revealing the structural characteristics of lignin macromolecules from perennial ryegrass during different integrated treatments.

TL;DR: In this article, the structural characteristics and physicochemical properties of ryegrass lignin were analyzed using ultrasonic and hydrothermal pretreatments, and the results revealed that sequential alkali extractions released 89.4% of the original lignins from the cell walls and 0.75-4.16% of associated carbohydrates as compared to double ball-milling and enzymatic hydrolysis.
Journal ArticleDOI

Techno-economics of lignocellulose biorefineries at South African sugar mills using the biofine process to co-produce levulinic acid, furfural and electricity along with gamma valeractone

TL;DR: In this article, the economic feasibility of bioenergy self-sufficient biorefineries annexed to a conventional South African sugar mill was evaluated using Aspen Plus v 8.6 to generate mass and energy balances.
Journal ArticleDOI

Roles of ZnCl2 and FeCl3 in preparing high performance corn stover-based carbon materials for efficient removal of Cr (VI) from wastewater

TL;DR: In this paper , the roles of ZnCl2 and FeCl3 in preparing carbon materials from corn stover for efficient removal of Cr(VI) from wastewater were investigated.
References
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Book

Elements of X-ray diffraction

TL;DR: In this article, the authors present a chemical analysis of X-ray diffraction by Xray Spectrometry and phase-diagram Determination of single crystal structures and phase diagrams.
Journal ArticleDOI

The path forward for biofuels and biomaterials

TL;DR: The integration of agroenergy crops and biorefinery manufacturing technologies offers the potential for the development of sustainable biopower and biomaterials that will lead to a new manufacturing paradigm.
Journal ArticleDOI

Catalytic conversion of biomass to biofuels

TL;DR: A review of catalytic strategies to produce bio-fuels from aqueous solutions of carbohydrates, which are isolated through biomass pretreatment and hydrolysis is presented in this paper.
Journal ArticleDOI

Valorization of Biomass: Deriving More Value from Waste

TL;DR: The opportunities for diverting existing residual biomass—the by-products of present agricultural and food-processing streams—to this end are highlighted.
ReportDOI

Process Design and Economics for Biochemical Conversion of Lignocellulosic Biomass to Ethanol: Dilute-Acid Pretreatment and Enzymatic Hydrolysis of Corn Stover

TL;DR: The conceptual design presented in this paper reports ethanol production economics as determined by 2012 conversion targets and 'nth-plant' project costs and financing for the biorefinery described here, processing 2,205 dry ton/day at 76% theoretical ethanol yield.
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