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Presse

Endurance test at the Pflegelberg central sewage plant

Real-time comparison of press belt mesh efficiency in sludge dewatering

Over a ten-week period at the Pflegelberg Central Sewage Treatment Plant, the leading specialist for filtration and process belt meshes GKD – GEBR. KUFFERATH AG (GKD) and the company Sülzle Klein GmbH tested the new press belt mesh type Speed-Drain, which combines high dewatering rates with reliable particle retention. The two companies compared the efficiency of the new mesh with that of the GKD mesh type 1003 previously used there, under real operating conditions on two structurally identical belt presses. Plant manager Michael Sturm expected the test to demonstrate enough of an improvement of dewatering results to reduce the run duration of the sewage sludge drying stage. From the very start, the new belt fulfilled all expectations. Thanks to its significantly better dewatering performance, compared to the 1003 mesh type, the dry matter content (DM) increased by 0.8% – enough to reduce dryer utilisation in Pflegelberg by about nine days a year (3%).

The full press release is available as PDF download:

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