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The production of succinic acid from biodiesel based glycerol was carried out using Escherichia coli K-12 MG1655 strain. The contribution of every parameter was evaluated and optimized using statistical modeling. A 26-1 fractional factorial design (FFD) was applied to screen the effect of substrate concentration, tryptone concentration, sodium carbonate concentration, inoculums density, pH and incubation...
The main objective of this project is the implementation of a biodigester used in the production of methane gas based on temperature, pressure and the pH level of substrate. During the investigation we analyzed the biogas production process swine manure generated at various temperatures within the mesophilic range.
Biogas plants are reliable sources of energy based on renewable materials including organic waste. There is a high demand from industry to run these plants efficiently, which leads to a highly complex simulation and optimization problem. A comparison of several algorithms from computational intelligence to solve this problem is presented in this study. The sequential parameter optimization was used...
The technical features of a large (300 - 500 kW) anaerobic digester (AD) plant operating on recycled organic waste are presented. The plant is located on the remote Hebridean island of Lewis off the west coast of Scotland. Excess electrical production from the AD plant's biogas engine will be used by the Hebridean Hydrogen Park currently under development for the generation of hydrogen through water...
The need of alternative energy source has intensified the efforts to produce bio-ethanol and study the efficiency of its industrial processes using microorganisms. Our work intends to study and analyze the alcohol producing pathways of bacteria, signifying the importance of regulatory sequence, on genomic level. Zymomonas mobilis, considered as a potent future organism for alcohol production, was...
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