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Environmental concerns on the negative impact and depletion of fossil fuels have triggered a search for alternative energy sources. Biofuels are recognised as one of the most potential renewable alternatives. In order to have a sustainable production of biofuels, a processing facility (i.e., biorefinery) that converts biomass into value-added products is needed. As the first and second generations...
Biofuels have become popular in recent years, as a result of growing concerns about climate change coupled with the need to enhance energy security. However, first generation biofuels have been criticized as competing with food production for increasingly scarce agricultural resources. As a result, enhancing the sustainability of biofuel production requires systematic, life-cycle based optimization...
Computer aided techniques form an efficient approach to solve chemical product design problems such as the design of blended liquid products (chemical blending). In chemical blending, one tries to find the best candidate, which satisfies the product targets defined in terms of desired product attributes (properties). The systematic computer-aided technique first establishes the search space, and then...
An experimental study was conducted that promoted the efficiency of anaerobic digestion by hydrolyzing pig manure in advance with amylase before loading it into the digester. A modified Gompertz equation was applied to determinate the kinetic parameters of biogas production. The results showed that the removal percentage of TS and VS, the biogas production potentials and rates have been improved through...
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.
The jatropha curcas methyl ester can be produced through a transesterification reaction by using an alkaline catalyst with an alcohol as the excess reactant. The reaction was carried out in a batch mixed reactor under various operating condition. The kinetics study on the transesterification of jatropha curcas-based triglycerides with methanol was carried out under various temperatures (323, 328,...
The objective of this study is to estimate the potential of energy from dairy cow manure for the dairy cooperatives in Thailand. According to the information from the Cooperative Promotion Department, there are 118 cooperatives with 25,757 dairy farmers and 364,745 dairy cows. In addition, the dairy cow cooperatives, farmer numbers and cow numbers are divided by regions and the potential of energy...
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