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New disc technology boosts centrifuge separation capacity

| By Chemical Engineering

Alfa Laval

Alfa Laval

UniDisc (photo) is this company’s latest innovation for disc stack separators. This new disc technology is said to increase separation capacity by as much as 30%, while simultaneously providing an extremely high degree of hygiene. Unlike traditional separator discs with caulks that have been welded to the plates, discs with UniDisc technology feature micro-caulks that are formed during the pressing process. This ensures even, minimal spacing between the discs in the disc stack. By reducing the amount of spacing between each disc, it is possible to fit more discs within the same volume. Increasing the number of discs, in turn, means increased separation area with an improved flow capacity. The micro-caulks are integrated into the design of the disc itself. The multitude of small caulks strengthens the disc construction while simultaneously ensuring greater hygienic properties than possible in previous generations of disc stack technology. — Alfa Laval AB, Lund, Sweden