The design of ceramic membranes made by atech innovations is aimed at making plant engineering easier: whether by constantly raising the number of membrane channels to as many as 85 or by increasing the length of membrane elements to up to 1.5 m. When both features are combined a filtering surface of 1.32 m² per membrane element can be achieved, corresponding to 39.6 m² per module when the biggest standard module is used. This results in lower capital expenditure per square meter of filtering surface, reduced casing costs and a very compact design of the filtration plant. In addition, series connection of modules in membrane plants is easier: the number of elements to be connected is smaller – resulting in smaller pressure losses, smaller piping requirements on the permeate side and additional cost savings.
For the filtration of highly abrasive fluids atech has developed DURatech, a highly abrasion-resistant membrane. This membrane is produced using an innovative coating process which ensures high robustness while at the same time maintaining high flux rates. For the separation of very small particles such as is the case with dyestuffs atech offers a 1 kD membrane. The latter can be used to process fluids requiring a particularly small cut point.
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