Map Viewing Service (WMS) of the dataset: Location of methanisation units in the Bouches-du-Rhône department

Methanisation is a biological process that makes it possible to produce biogas (methane) generated by biowaste and to use it as an energy source with a return to the soil of the digestate (methanisation residue). Methanisation units produce energy (biogas) from the treatment of livestock manure, sewage treatment plant sludge and/or waste from agri-food industries. The biogas produced is either injected into the gas grid after treatment, or used in a cogeneration engine (electricity and heat generation) or used on-site in a boiler. With several facilities on the department, this sector is in strong progress and has the particularity of being at the crossroads of several issues: energy (recovery of biogas in the form of electricity, heat, biomethane or biofuel), waste management (recovery of organic matter and reduction of landfill), climate (decrease in greenhouse gases by methane capture) and agriculture.甲烷化工艺（Methanisation）是一类生物过程，可通过生物废弃物制备沼气（biogas，主要成分为甲烷），并将其作为能源加以利用，同时将沼渣（digestate，甲烷化残渣）返还土壤。 甲烷化处理装置可通过处理畜禽粪便、污水处理厂污泥及/或农业食品工业废弃物生产能源（沼气，biogas）。所产生的沼气经净化处理后，可接入天然气管网，或用于热电联产机组（cogeneration engine，可同步实现发电与供热），亦可现场应用于锅炉燃烧。 该行政区内布局有多家相关设施，该领域发展势头强劲，其独特之处在于兼具能源、废弃物管理、气候保护与农业四大领域的交叉属性：能源领域（以电力、热能、生物甲烷（biomethane）或生物燃料（biofuel）形式回收沼气）、废弃物管理领域（回收有机质并减少填埋量）、气候领域（通过捕获甲烷以降低温室气体排放）以及农业领域。