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Pilot scale columns Pinch

Practically all sources explain the increase of HETP with column diameter in terms of enhanced maldistribution or issues with the scale-up procedure. Lab-scale and pilot columns seldom operate at column-to-packing diameter ratios (DT/Dp) larger than 20 under these conditions, lateral mixing effectively offsets loss of efficiency due to maldistribution pinch. In contrast, industrial-scale columns usually operate at Dt/Dp ratios of 30 to 100 under these conditions, lateral mixing is far less effective for offsetting maldistribution pinch. [Pg.72]

See also in sourсe #XX -- [ Pg.42 , Pg.44 , Pg.45 , Pg.46 , Pg.72 , Pg.73 , Pg.74 , Pg.75 , Pg.79 , Pg.80 , Pg.104 , Pg.194 , Pg.197 , Pg.388 , Pg.401 , Pg.404 , Pg.406 , Pg.537 , Pg.538 , Pg.539 , Pg.540 , Pg.541 , Pg.546 , Pg.551 , Pg.552 , Pg.553 , Pg.554 , Pg.555 , Pg.589 ]

See also in sourсe #XX -- [ Pg.42 , Pg.44 , Pg.45 , Pg.46 , Pg.72 , Pg.73 , Pg.74 , Pg.75 , Pg.79 , Pg.80 , Pg.104 , Pg.194 , Pg.197 , Pg.386 , Pg.401 , Pg.404 , Pg.406 , Pg.546 , Pg.551 , Pg.552 , Pg.553 , Pg.554 , Pg.555 , Pg.569 ]



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