The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...
To better achieve environmental goals, a growing number of wastewater treatment plants (WWTPs) are being retrofitted from the conventional activated sludge (CAS) process to the membrane bioreactor ...
Globally, activated sludge treats the majority of urban wastewaters; yet it is one of the most complex biological processes used. It is a sophisticated microbial process fraught with operational ...