https://www.yhrbiogas.com/products/pig-manure-biogas-plant/ Pig Manure Biogas Plant A pig manure gobar gas plant project, also known as a swine waste biogas plant, is a facility that utilizes pig manure and other organic waste from pig farming operations to produce biogas through anaerobic digestion. This process involves breaking down organic matter in the absence of oxygen, resulting in the production of biogas primarily composed of methane and carbon dioxide.