This standard specifies the fermentation process procedures for rural household biogas digesters. This standard applies to rural household biogas digesters with a volume of less than 50 m.
NY/T 90-2014 Referenced Document
NY/T 1639 Technology criterion on rural biogas digester and three renovations
NY/T 466 Household-scaled biogas&integrated farming system-Specification on design,construction and use for northern model
NY/T 90-2014 history
2014NY/T 90-2014 Household-scaled technology rules of biogas fermentation
1988NY/T 90-1988 Technology rules of biogas fermentation for household in rural areas