New reverse osmosis (RO) membrane elements from LANXESS with ASD feed spacers have undergone a trial in Germany’s largest industrial water treatment plant. More than 50,000 cubic meters of water are needed every day for pulp manufacturing at Zellstoff Stendal GmbH, Arneburg, and this is treated using reverse osmosis and ion exchange resins. The new grades impressed with their performance and consistently high level of rejection.Optimized for applications in brackish water, these Lewabrane-branded elements are characterized by very low energy consumption (LE = low energy) and high fouling resistance (FR = fouling-resistant).
“The outstanding results of our ASD products in benchmark tests with other manufacturers at one of the largest pulp manufacturers in Europe once again underline the extraordinary quality of our products,” says Alexander Scheffler, responsible for LANXESS’s global membrane business.
Frank Gorges, plant technician for water treatment at Zellstoff Stendal GmbH in Arneburg, was excited about the result: “We were very impressed by the performance of the ASD membrane elements from LANXESS. We test a lot of products in our plant and hardly any of them have been able to provide such consistently high results throughout an entire year.”
“As we calculated, using the new elements reduces energy requirements while at the same time increasing service lives,” says Dr. Jens Lipnizki, head of Technical Marketing Membranes in the Liquid Purification Technologies (LPT) business unit at LANXESS.
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