Influence of substrate concentration on the macroenergetic parameters of anaerobic digestion of black-olive wastewater |
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Authors: | R Borja A Garrido A Martin V Alonso |
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Institution: | (1) Instituto de la Grasa y sus Derivados (C.S.I.C.), Avda. Padre García Tejero, 4, 41012 Sevilla, Spain;(2) Departamento de Ingeniería Quimica, Facultad de Ciencias, Avda. San Alberto Magno s/n, 14004 Córdoba, Spain |
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Abstract: | Summary The macroenergetic parameters of the anaerobic digestion of black-olive wastewater, i.e. the yield coefficient for the biomass (Y. g VSS/g COD) and the specific rate of substrate uptake for cell maintenance (m, g COD/g VSS-day) decreased 6 limes and increased 5 times. respectively, when the influent substrate concentration increased from 1.1 to 4.4 g COD/l. This was significant at 95% confidence level. The use of the Guiot kinetic model allows a more accurate prediction of growth yield to be made as it relates substrate utilization to product formation. |
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