This standard is formulated in order to standardize, serialize and generalize the construction of biogas digesters in rural households in my country, and to meet the requirements of biogas fermentation, fertilizer, sanitation and use.
GB 4750-1984 history
2016GB/T 4750-2016 Criteria for designing of household anaerobic digesters
2002GB/T 4750-2002 The collection of standard design drawings for household anerobie digesters
1984GB 4750-1984 Rural Household Hydraulic Digester Standard Atlas
GB 4750-1984 was changed to GB/T 4750-2002 The collection of standard design drawings for household anerobie digesters.