Brewer's grains are a by-product of beer brewing. They are rich in organic matter such as grain residues, sugars and proteins. These organic matters are easily biodegradable and can be transformed into biogas during the methanation process.
White water is liquid effluent from various industrial processes, such as the dairy and cheese industries. By using it in methanization, this liquid waste is recovered and its direct discharge into the environment is avoided. They are pushed into water...