Process of treating garbage with simultaneous production of methane

摘要

Garbage resulting from the preparation, cooking and dispensing of food and containing water-insoluble organic components is treated first heated in the presence of water at a temperature of 100 DEG -400 DEG C. and a pressure higher than the saturated water vapor pressure to convert at least part of the water-insoluble components into water-soluble organic components and to obtain a mixture containing the water-soluble components dissolved in the water. The mixture is then subjected to methane fermentation to convert the water-soluble organic components into methane.