Rochem, Fm modules flat, Membranes have been developed especially for the seperation of bacteria, Viruses and fine solids from water and wastewater boasting a superior fouling potential. Most importantly the modules exhibit low specific energy consumption at high and steady state fluxes. Rochem membrane filtration plants are compact and rooted in a standardized design. The integration of a hydrodynamically optimised module with a standardized and steadily improved plant design guarantees a high and stable productivity. Princilple of ultrafiltrationultrafiltration membranes form for bacteria and viruses and a stable operation for long periods without use of chemical cleaning agents. In addition the wide spectrum of commercially available membranes featuring a flat configuration for ultra, Filtration uf allows the optimal selection of a membrane for each individual application. Module advantagesultra filtration membranesafety barrier for pathogenic microorganisms like viruses and bacteria. Seperation of colloids and dissolved organics of high molecular weight. Long service lifetime of membranes since internal pore blocking is unlikely if there happens to be uf. High availability of units. Low operating costlow specific energy consumption. Fully automated operation. High water recovery tariffs climbing to 98%simple pant, Assemblysimple membrane replacement. Low investment coststandardized plant designoptimum material selection low cost plastic where possible minimum number of sealings. Simple system design by modular construction