Genetic Algorithm Optimization for Multi-Biogas Mass Transfer in Hydrophobic Polymer Biocell

Ahmad Qasaimeh¹, Talal Masoud², Hesham Al Sharie²

¹Civil Engineering Department, Jadara University, Irbid, Jordan.
²Civil Engineering Department, Jerash University, Jerash, Jordan.

DOI: 10.4236/jsbs.2015.53007                

Abstract

In this work, a new municipal biocell with new operation and waste management is proposed. The proposed system is biocell that is built gradually when the waste is being disposed. Different from conventional disposal at landfills, waste is put between “hydrophobic bricks” that are perforated permeable containments filled up with porous dumping material such as styrofoam. Genetic algorithm is used to optimize a transfer function that represents input of biogas percentages and output solutions for daily mass transfer rates for biogas mixture from which mass and volume of biogas within the biocell time of service are calculated. Transfer function is obtained by fitting dynamic input-output data to the input-output solutions. Input-output data are encoded to chromosomes (1, 0 digits). These chromosomes are subjected to genetic processes as crossover and mutations. Then a process of evaluation takes place. The evaluation process entails an objective function that evaluates the squared difference between experimental and calculated values. After the chromosomes are being evaluated, they are either selected for more iteration or decoded to the solutions. The decoding process is performed on optimal chromosomes to obtain optimal solutions and required optimal transfer function. Consequently, the mass and volume of biogas within the landfill time of service are determined for any ratio of CH₄:CO₂ in biocell.

Keywords

Genetic Algorithm, Biogas Transfer, Biocell, Hydrophobic Polymer

Conflicts of Interest

The authors declare no conflicts of interest.

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