Koch Membrane Systems, Inc. (KMS), a world-class developer and manufacturer of innovative membranes and membrane filtration systems, announces the first North American installation of a PURON™ PLUS packaged membrane bioreactor (MBR) wastewater treatment system. The new PURON PLUS MBR system will serve an apartment complex in Massachusetts and is designed to meet stringent surface discharge limits for biochemical oxygen demand, total suspended solids, and total nitrogen. The packaged system consists of two membrane trains each containing one PURON membrane module, as well as ancillary equipment, controls, engineering and technical services, and is designed for an average flow of 24,000 gpd and peak flow of 32,000 gpd.