Localization of liquid content correlated to degradation zones in a full-scale dry anaerobic digestion digester (30 m3) by electrical resistivity tomography

摘要：

　　The liquid content is an essential parameter in the dry batch anaerobic digestion to optimize the biogas production.In fact,the liquid recirculation can distribute nutrients,water,microorganisms and temperature.The electrical resistivity method is a non-intrusive method and typically used as to detect and locate liquid content in landfills.Technical adaptations were necessary to map spatial distribution of inoculum in dry batch anaerobic digestion.Three measurement campaigns were carried out in a 30 m3 dry digester at different times of anaerobic digestion.Inversion and modelling of measured resistivity were made by RES2DINV software to get resistivity sections.Samples were collected after resistivity measurements.These samples were analysed by classical physico-chemical methods and performing biochemical methane potential and fiber quantification.Reactor preparation,time of anaerobic degradation,resistivity values,liquid content,methane potential and fiber contcnt data have allowed to establish correlations.These correlations result in a liquid repartition,high methane potential zones and degradations zones in dry batch anaerobic digestion.

关键词： Electrical resistivity tomography Liquid content Degradation zones BMP Dry anaerobic digestion

作者: L.André E.Lamy P.Lutz M.Pernier A.Pauss T.Ribeiro

作者单位: Institut Polytechnique LaSalle Beauvais-ESITPA, Unité Transformations & Agroressources, rue Pierre W Sorbonne Universités, EA 4297 TIMR UTC/ESCOM, UTC, CS 60319, 60203 Compiègne Cedex, France Institut Polytechnique LaSalle Beauvais-ESITPA, Département de Géosciences, AgHyle, rue Pierre Wague

会议类型: 国际会议

会议名称: The 15th IWA World Conference on Anaerobic Digestion( 第15届IWA世界厌氧大会)

会议地点: 北京

会议语种:英文

页码: 150-153

在线出版日期: 2017-10-17（万方平台首次上网日期，不代表论文的发表时间）