Microtack

    #bio digester

    #biodigesters

    #wastewater treatment bacteria

    #clarifier

    #chemical oxygen demand

    #filamentous

    #cod vs bod

    #specific capacity

    #sewage treatment plant

    #calculate brake horsepower

    #facultative bacteria

    #thrust block

    #microtack

    #aerobic bacteria

    #engest

    #biological catalyst

    #are enzymes biological catalysts