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In this study, flux, retention, and permeate quality of various nanofiltration and low-pressure reverse osmosis membranes were investigated at two temperatures and by using a low shear (DSS Labstak M20 ® ) and a high shear (CR250/2) filter. The overall aim was to study the suitability of nanofiltration in purification of the discharge water from external activated sludge processes in the pulp...
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