International Sugar Journal

Design and industrial applications of Louisiana low turbulence (LLT) clarifiers* [Full subscriber]

A new Louisiana Low Turbulence (LLT) juice clarifier has been developed, successfully tested and installed at several sugar factories in Louisiana. The principal difference of the new concept is that the flashed juice is introduced into a trayless clarifier through a network of uniformly distributed pipes. Each pipe has a patent pending turbulence reduction device (TRD) attached to the juice exit point. As a result, both velocity and momentum of juice entering the clarifier are reduced by a factor of approximately 50, compared to parameters in the pipe, and the large-scale turbulent eddies are virtually eliminated. Computational fluid dynamics (CFD)…

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