DataVXAdvanced Sustainable SystemsPaper
journal article·2018-03

Lactic Acid Production from Renewable Feedstock: Fractionation, Hydrolysis, and Fermentation

Llorenç Gavilà, Magda Constantí, Francisco Medina, Ricardo Pezoa‐Conte, Ikenna Anugwom, Jyri‐Pekka Mikkola

Advanced Sustainable Systems· Volume 2· Issue 3
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Source abstract

Abstract

Abstract In this paper, an integrated fractionation with a switchable ionic liquid (SIL), pulp hydrolysis, and lactic acid fermentation is carried out. For this, SO2‐swithced SIL is used for fractionation of sugar cane (Saccharum officinarum) bagasse and giant cane (Arundo donax, AD). SIL is able to extract ≈2/3 of lignin when relatively large wood chips (≈4 mm) are used without any mechanical agitation and just 1 h of treatment time for AD. Furthermore, SIL reuse is successfully demonstrated for four runs. Subsequently, the produced pulps are hydrolyzed within 15 min in a microwave reactor, producing a glucose rich hydrolysates. Finally, these hydrolysates are used as a carbohydrate source for Lactobacillus delbrueckii fermentation, which selectively transform all glucose present into optically pure d‐lactic acid. Hence, the whole chain for lactic acid production from biomass is successfully demonstrated.
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Research context

OpenAlex topics: Biofuel production and bioconversion · Catalysis for Biomass Conversion · Lignin and Wood Chemistry

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemical Engineering Universitat Rovira i Virgili Av Països Catalans 26 43007 Tarragona Spain

Industrial Chemistry and Reaction Engineering Johan Gadolin Process Chemistry Centre Åbo Akademi University Biskopsgatan 8 Åbo‐Turku FI 20500 Finland

LUT RE‐SOURCE Research Platform School of Engineering Science Lappeenranta University of Technology 53850 Lappeenranta Finland

Industrial Chemistry & Reaction Engineering Johan Gadolin Process Chemistry Centre Åbo Akademi University FI‐20500 Åbo‐Turku Finland

Technical Chemistry Department of Chemistry Chemical‐Biological Centre Umeå University SE‐901 87 Umeå Sweden

Funding

Ministerio de Economía y Competitividad

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