Design of municipal wastewater treatment plants Design standard for underground wastewater treatment plante Intelligent optimal control of municipal wastewater treatment process Biological wastewater treatment Operation and management of urban wastewater treatment plant Sludge reduction technologies in wastewater treatment plants Benchmarking of control strategies for wastewater treatment plants Development report on municipal wastewater treatment and reuse in China Sludge biological treatment and stabilization of municipal wastewater treatment plant Computational fluid dynamics of wastewater treatment reactor