N03 H2S CH4 CO2
Answer Discuss in Comment
activated sludge process contact bed trickling filter septic tank
high efficiency toxic wastes dilute inorganic wastes strong organic wastes
inert matter of sp. gr. 2.65 organic and inert matter combined colloidal matter of heavy sp. gr. organic matter of sp. gr. nearer to 1
20 min to 30 min 2 min to 5 min 2 hours to 4 hours 45 s to 90 s
15 to 45 cm/ min 15 to 45 cm/ s 30 to 60 cm/ min 30 to 60 cm/ s
any liquid waste fowl gases sewage of sullage water
a bent shape water seal sewage or sullage grating
Nahani trap floor trap Q-trap intercepting trap
hot water kills bacteria floating solids and liquids interfere with natural reaeration suspended solids settle and cover spawning grounds of fish hot water induces stratification and fish retreat to bottom layers
"Scientists dream about doing great things. Engineers do them."
