Compared to RO, ED technology can concentrate dissolved solids to salinity up to 200 g/l
Leading Slovak producer of aluminium, ZSNP, produces a large amount of sludge, which is deposited in a tailing pond. The wastewater from this tailing pond is strongly saline with a high pH, therefore, it cannot be discharged into the river. In this case, MEGA used the experience of previous projects and designed a technology that is based on the so-called FEED and BLEED mode. Thanks to this system we were able to ensure continuous quality of both the desalinated stream (6 g/l) and the concentrate stream (180 g/l), which is subsequently processed in the evaporator.
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