[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.17137/korrae.2017.25.3.99

A Study on Establishment of Technical Guideline of the Installation and Operation for the Efficient Bio-gasification Facility of Pig Manure and Food Waste(III): Design and Operation Guideline

Lee, Dongjin (Environmental Resource Research Department, National Institute of Environmental Research)
Moon, HeeSung (Environmental Resource Research Department, National Institute of Environmental Research)
Son, Jihwan (Environmental Resource Research Department, National Institute of Environmental Research)
Bae, Jisu (Environmental Resource Research Department, National Institute of Environmental Research)

Publication Information

Journal of the Korea Organic Resources Recycling Association / v.25, no.3, 2017 , pp. 99-111 More about this Journal

Abstract

The purpose of this study is to provide a design and operation technical guideline for meeting the appropriate design criteria to bio-gasification facilities treating organic wastes. Based on the results obtained during the field surveys, the overall design and operation guidelines for bio-gasification facilities, monitoring items, cycle and commissioning period were presented. According to the flow of anaerobic digestion process, Various design factors for bio-gasification facilities were proposed in this study. When designing the initial anaerobic digestion capacity, 10 ~ 30% of the treatment capacity was applied considering the discharge characteristics by the incoming organic wastes. At the import storage hopper process, limit concentration of transporting organic wastes was limited to TS 10 % or less, and limit concentration of inhibiting factor was suggested in operation of anaerobic digester. In addition, organic loading rate (OLR) was shown as $1.5{\sim}4.0kgVS_{in}/(m^3{\cdot}day)$ for the combined bio-gasification facilities of animal manure and food wastes. Desulfurization and dehumidification methods of biogas from anaerobic digestor and proper periods of liquifization tank were suggested in design guideline. It is recommended that the operating parameters of the biogasification facilities to be maintained at pH (acid fermentation tank 4.5~6.5, methane fermentation tank 6.0~8.0), temperature variation range within $2^{\circ}C$ , management of volatile fatty acid and ammonia concentration less than 3,000 mg/L, respectively.

Keywords

Swine manure; Food waste; Anaerobic digestion; Bio-gasification;

Citations & Related Records

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