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http://dx.doi.org/10.17137/korrae.2018.26.2.95

A Study on Establishment of Technical Guideline of the Installation and Operation for the Biogas Utilization of Power generation and Stream - Design and Operation Guideline  

Moon, HeeSung (Environmental Resource Research Department, National Institute of Environmental Research)
Bae, Jisu (Environmental Resource Research Department, National Institute of Environmental Research)
Pack, Hoyeun (Environmental Resource Research Department, National Institute of Environmental Research)
Jeon, Taewan (Environmental Resource Research Department, National Institute of Environmental Research)
Lee, Younggi (Environmental Resource Research Department, National Institute of Environmental Research)
Lee, Dongjin (Environmental Resource Research Department, National Institute of Environmental Research)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.26, no.2, 2018 , pp. 95-103 More about this Journal
Abstract
As a guideline for desulfurization and dehumidification pretreatment facility for optimizing utilization of biogas, the $H_2S$ concentration is set at 150 % which can be treated with iron salts, dehumidification is the optimum value for generator operation, and the relative humidity applied at the utilization of biogas in EU is set at 60 %. We have set up the generator facility guidelines to optimize utilization of biogas. The appropriate amount of biogas should be at least 90 % of the total gas generation, and the capacity of generator facility should be set at 20~30 %. In order to equalize the pressure of the incoming gas the generator, a gas equalization tank should be installed and the generator room average temperature should be kept at $45^{\circ}C$ or less. Since the gas is not produced at a certain methane concentration in the digester, the efficiency is lowered. Therefore, it is required to install an air fuel ratio control system according to the change in methane concentration. Therefore, it is necessary to compensate for the disadvantages of biogasification facilities of organic waste resources and optimize utilization of biogas and improve operation of facilities. This study was conducted to optimize biogas utilization of type of organic waste(containing sewage sludge and food waste, animal manure), investigate the facilities problem and propose design, operation guidelines such as pre-treatment facilities and generators.
Keywords
anaerobic digestion; biogas; power generation; steam; food wastes;
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