A.a new bacteria colony should be put into the plant in advance
B.the disinfection chemicals should be always used
C.the air blower should be started and keep running in advance
D.the nutrient for bacteria should put into plant in advance
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A.anaerobic bacteria
B.aerobic bacteria
C.air bubbles
D.disinfection chemicals
A.deoxygenating
B.oxygenating
C.chemicalizing
D.disinfecting
A.deoxygenating
B.extended aeration
C.oxygenating
D.bubbling air
A.waste oil
B.waste cloths
C.Oil rags
D.Waste food
A.should be stopped manually
B.keeps the combustion as usual
C.would be cut off by an interlock
D.would replace the waste oil burner and keep going on
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