Preprint Article Version 1 This version is not peer-reviewed

Design and Construction of a Biohydrogen and Bioethanol Production System from the Biomass of the Eichhornia Crassipes

Version 1 : Received: 25 May 2018 / Approved: 28 May 2018 / Online: 28 May 2018 (10:03:51 CEST)

How to cite: Carreño Sayago, U.F.; Rodríguez, C. Design and Construction of a Biohydrogen and Bioethanol Production System from the Biomass of the Eichhornia Crassipes. Preprints 2018, 2018050393 (doi: 10.20944/preprints201805.0393.v1). Carreño Sayago, U.F.; Rodríguez, C. Design and Construction of a Biohydrogen and Bioethanol Production System from the Biomass of the Eichhornia Crassipes. Preprints 2018, 2018050393 (doi: 10.20944/preprints201805.0393.v1).

Abstract

Introduction: Biofuels, biohydrogen and bioethanol have properties that stand out from other fossil fuels, are colorless, odorless, and insipid, therefore, they are free of contaminants. Its production can be generated from the biomass of the aquatic plant Eichhornia crassipes, since this alternative is timely and viable due to its high energy composition. This plant is a problem in wetlands, rivers and other hydrosystems, due to its abundance and dominance over other species of aquatic plants, and which in effect causes an ecological imbalance. Objective: To evaluate the production of biohydrogen and bioethanol from the biomass of the E. crassipes plant. Materials and methods: Lignocellulosic material was used, realizing different physical, chemical and biological processes such as: reduction of size, lignin removal, acid hydrolysis, fermentation and distillation. a laboratory scale production system was designed and built where two bioreactors were used in the process. Results and discussion: the production of bioethanol and biohydrogen showed a production index of more than 40 mg of bioethanol per gram of bio-mass of E. crassipes and in relation to biohydrogen, 65 mmol / L was obtained. Conclusion: With the biomass of E. crassipes it is possible to obtain a high index of bio-fuel production, since it is possible to take advantage of its physical characteristics and its high proliferation in hydrosystems, in this way it constitutes an optimal alternative to produce biohydrogen and bioethanol at a high scale.

Subject Areas

bioreactor; hydrolysis; fermentation; biofuels

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