Separation of solids and disinfection for agronomical use of the effluent from a UASB reactor
The present work addresses the preparation of the effluent from a full-scale upflow anaerobic sludge blanket (UASB) reactor for drip irrigation of orange crops. The pilot plant included a lamella plate clarifier followed by a geo-textile blanket filter and a UV disinfection reactor. The clarifier operated with a surface load of 115 m3m−2d−1, whereas the filter operated with 10 m3m−2d−1. The UV reactor was an open-channel type and the effective dose was approximately 2.8 W h m−3. The effluent of the UASB reactor received 0.5 mg L−1 cationic polyelectrolyte before entering the high-rate clarifier. Suspended solids’ concentrations and
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