Patent ID: 9523102
Filing Date: 2016-12-20
CPC Classification: C12M,C12P,Y02E

Claim Text:
1. A method of producing biogas comprising: (a)(i) grinding an organic substrate comprising solids to produce smaller solids particles; (a)(ii) transferring the substrate with smaller solids particles to a hydrolysis tank; (a)(iii) hydrolyzing the substrate in anaerobic condition in a hydrolysis tank comprising Fe (a)(iv) transferring effluent from the hydrolysis tank to a solids separator (a)(v) separating solids from the hydrolysis effluent to produce a solids fraction and a screened hydrolysis effluent; (b)(i) transferring the screened hydrolysis effluent for a period of time (b)(ii) transferring the methanogenesis tank (b)(iii) discharging methanogenesis tank (c) and then switching the order of methanogenesis tanks (c)(i) transferring the screened hydrolysis effluent for a period of time (c)(ii) transferring the methanogenesis tank (c)(iii) discharging methanogenesis tank