Profile: Koch Membrane Systems, Inc. provides tubular, spiral, and hollow fiber membranes for microfiltration, ultrafiltration, nanofiltration & reverse osmosis. We are an ISO 9001 certified company. We offer an efficient and reliable method for beverage & soft drink blending operations. Our quality water entering downstream systems reduces fouling and maintenance requirements. Our crossflow membrane filtration controls the effect of concentration polarization and the gel layer.