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Extraction Column Limitations

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#1 himanshujdalal0713


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Posted 21 July 2013 - 12:06 AM

Dear sir,
As i am new to the forum so message was posted to wrong place by error, I will take due care to avoid mistake in future. Now I will again describe problem in detail.
I am running extraction column having 19 sieve trays each tray having 384 holes having 5 mm dia.feed rate from top (ammonium sulphate ) is 21m3/hr with density of 1210 kg/m3.i am not able to put more than 6m3/hr bottom feed(cyclohexanone) because of slippage of anone from tower bottom. Required rate of bottom feed is7.2 m3/hr.
bottom sparger (2") has 100 holes of 5 mm diameter in 5 rows
Top sparger (3") has 100 holes of 7 mm diameter in 5 rows
tower ID is 800 mm
downcomer area is0.05 m2
Downcomer ht is 100 mm
dist. Betn two tray is 200 mm.
can you pl.guide about reason for limitations.

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