Gravel and Sand Industry

Wet processing of gravel and sand with minimum need of freshwater

A modern treatment system for the processing of gravel and sand has been installed for Zwisler in Tettnang only a few kilometres away from the Bodensee. As products of high quality are manufactured by the company, a multi-stage wet processing plant had to be installed.

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Purification of washing water for railway ballast

Washing water of a railway treatment plant (System Knape GSG). The formation rehabilitation plant with a ballast treatment and washing system was fitted with a washing water treatment plant. The ballast is excavated, treated and washed and re-laid to the route at the end of the train.

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Pilot Plants

Customer-specific pilot
plants for testing purposes.