aOthers have different opinions.Theythink that cars gibe off waste gas and pollute the environment.too many cars will have some bad effects,such as more accidents .besides,overloaded parking cars is another big
Denitrifying phosphorus removalAnaerobic digestionA novel strategy to achieve substantial polyhydroxyalkanoates (PHA) accumulation in waste activated sludge (WAS) was developed, which was conducted in a two-sludge system consisted of an anaerobic/anoxic/oxic reactor (AAO-SBR) and a nitrifying reactor ...