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Microalgal Engineering Aspects Of Biopolymer Production | 31360
ISSN: 2169-0022

Journal of Material Sciences & Engineering
Open Access

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Microalgal engineering aspects of biopolymer production

International Conference and Exhibition on Biopolymers & Bioplastics

Jorge Alberto Vieira Costa

ScientificTracks Abstracts: J Material Sci Eng

DOI: 10.4172/2169-0022.S1.022


Many analyses have been carried out about the future possibility of exhausting the planet’s resources and its ability to sustain
its inhabitants. The use of microorganisms and their metabolic products by humans is one of the most significant fields of
biotechnology. Microalgae are descendants of the first photosynthetic life forms. More than 3,500 million years ago the atmosphere
was made up of microalgae with oxygen, since then, they have contributed to regulating the planet’s biosphere. The use of solar energy
through photosynthesis in microalgae cultivation is a clean, efficient and low cost process, since the sun’s energy is virtually free
and unlimited. The biomass of microalgae and its processing products are employed as biopolymers. Biopolymers can be produced
using biofixation of carbon dioxide by microalgae and could reduce dependency on both petroleum and carbon dioxide emissions.
Cyanobacteria have potential for the production of biopolymers and their yield can be increased by stressing the culture via nutrient
limitation or other means, use of recombinant strains, control of metabolic flux and the use of different bioreactor types. Unlike with
crop plants, the cultivation of microalgae does not require the use of large areas of ground and can occupy areas inappropriate for
agriculture and thus do not compete with food production. The biopolymers from microalgae have thermoplastic, mechanical and
physical properties similar to polypropylene. They are biocompatible, recyclable and biodegradable and produce zero toxic waste
since they biodegrade into carbon dioxide and water by microbial attack in about three months to one year.


Jorge Alberto Vieira Costa completed his PhD in Food Engineering from the State University of Campinas in 1996. He is currently Professor at the Federal University
of Rio Grande, Researcher level 1C of the CNPq and Head of the Laboratory of Biochemical Engineering. He is coordinator of the Biochemical Engineering course.
He was coordinator of the Graduate Food Engineering course and Food Engineering and Chemical Engineering courses. He has published more than 135 papers
in reputed journals. He mainly works on science and food technology with emphasis on food engineering, and other topics, such as microalgae, biopolymers and