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Chlamydomonas reinhardtii cultivation in vinasse for bioethanol production

Grant number: 17/14056-9
Support type:Research Grants - Visiting Researcher Grant - International
Duration: October 18, 2017 - February 17, 2018
Field of knowledge:Engineering - Chemical Engineering
Principal Investigator:Rubens Maciel Filho
Grantee:Rubens Maciel Filho
Visiting researcher: Marija Tasic
Visiting researcher institution: University of Nis, Serbia
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas, SP, Brazil
Associated research grant:15/20630-4 - Biorefinery development integrated to a bioethanol sugar cane plant with zero CO2 emission: routes to convert renewable resources to bio-products and bio-electricity, AP.TEM

Abstract

The sugarcane vinasse produced by Brazilian biorefineries currently has been used for fertirrigation of the sugarcane field. This straightforward and inexpensive approach was reported to have negative environmental impact. Additionally, local communities are facing the problem of vinasse's strong unpleasant odor. Anaerobic digestion of vinasse can generate better environmental impact producing a surplus of bioenergy. However, this comes with unchanged odor and still relatively high nutrients concentrations in anaerobic digestion effluent. In this study, Chlamydomonas reinhardtii strain will be tested for growth in digested vinasse and potential use for bioethanol production. The objectives will be to determine optimal cultivation conditions and to analyze the algal biomass composition. (AU)

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