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Article Dans Une Revue Biotechnology and Biotechnological Equipment Année : 2010

Biogas Production from Organic Wastes in Suspeded Cell Cultures and in Biofilms

Résumé

The results of a comparative study of two biogas production bioprocess systems are presented. The systems submitted to comparison are based on the suspended cells cultures and the biofilm formed on solid inert support. A comprehensive research concept is formulated and discussed. It includes the main considerations regarding the choice of substrate, bioagent as mixed microbial society, type of bioreactors, regimes of functioning, analytical determinations and method of comparison. The main requirements for efficient experimental activity in comparative investigations are formulated. Their satisfaction can grant correctness of the experimental design and data acquisition. On this basis the key parameter of comparison of the two systems is defined as the specific productivity of the bioprocess systems. Under these conditions series of preliminary experiments are carried out for testing the readiness of experimental set ups for long time stable functioning and monitoring devices capabilities to maintain the bioprocess parameters at the determined intervals. These tests grant continuous incessant experimentation with the investigated bioprocess systems. The results obtained show that biofilm bioprocess systems possess up to two and half time higher specific productivity in comparison with the bioprocess systems with the suspended cells. Some visions about the future developments of comparative research on the influence of additional parameters like the mixer rotation steed, organic loads, and higher values of dilution rates are outlined.
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Dates et versions

pasteur-00755387 , version 1 (21-11-2012)

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Ivan Simeonov, E. Choruкоva, V. Mamatarkova, L. Nikolov. Biogas Production from Organic Wastes in Suspeded Cell Cultures and in Biofilms. Biotechnology and Biotechnological Equipment, 2010, SECOND BALKAN CONFERENCE ON BIOLOGY, 21–23 MAY, 2010, 24 (sup. 1), pp.558-566. ⟨10.1080/13102818.2010.10817897⟩. ⟨pasteur-00755387⟩

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