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 ...

MBRs, or membrane bioreactor systems, combine either flat-plate or hollow-strand plastic membranes spotted with tiny pores and a conventional activated-sludge biological system. Cassettes or banks of ...

Next-generation Sequencing Bath Reactors are rapidly making inroads into WwTWs. Ian Sully takes an in-depth look at the technology, and reveals how it is being used at Wessex Water's Charmouth site.

The use of membrane technology for biomass separation in the activated sludge processes has been an important advance in biological wastewater treatment technology. The advantages of membrane ...