Development of an optimised Chinese dome digester enables smaller reactor volumes; pilot scale performance
Chinese dome digesters are usually operated at long hydraulic retention times (HRT) and
low influent total solids (TS) concentration because of limited mixing. In this study, a newly
optimised Chinese dome digester with a self-agitating mechanism was investigated at a pilot
scale (digester volume= 500 L) and compared with a conventional Chinese dome digester
(as blank) at 15% influent TS concentration at two retention times (30 and 40 days). The
reactors were operated at ambient temperature: 27–33° C. The average specific methane …
low influent total solids (TS) concentration because of limited mixing. In this study, a newly
optimised Chinese dome digester with a self-agitating mechanism was investigated at a pilot
scale (digester volume= 500 L) and compared with a conventional Chinese dome digester
(as blank) at 15% influent TS concentration at two retention times (30 and 40 days). The
reactors were operated at ambient temperature: 27–33° C. The average specific methane …
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