Glass / Ceramic / Stone
Purification of grinding water using a vacuum belt filter
The Franconian company Apollo-Optik GmbH& Co. KG in Schwabach, as a part of the Pearle group, has more than 700 branches in Germany. The company’s product range reaches from cutting-edge eyeglass frames and fashionable sunglasses to special glasses and high quality contact lenses.
One production step is the full and semi-automatic grinding of customer-specific spectacle lenses, which are sent, together with the frames, to the branches for the final assembly.
Treatment of process water from glass fibres production
A manufacturer of glass fibres for the production of high-quality products as for example filter fabric, wallpapers, refractory products, roofing membranes etc. operates several spinning mills. In the spinning machines glass granulate is melted and thinnest glass fibres are produced. Process water is needed for cooling and for transportation of glass fluffs.