Sealed-bladdered chemical processing method and apparatus

Details Sealed-bladdered chemical processing method and apparatus Sealed-bladdered chemical processing method and apparatus

1998-07-01

1999-12-14

Mai, Ngoclan

Chemistry of inorganic compounds

Extracting, leaching, or dissolving

423 2, 422159, 422238, 422239, 422281, 422296, 976DIG279, B01D 1100

Patent

active

060013273

ABSTRACT:
A method and apparatus which enables a complete multi-stepped chemical treatment process to occur within a single, sealed-bladdered vessel 31. The entire chemical process occurs without interruption of the sealed-bladdered vessel 31 such as opening the sealed-bladdered vessel 31 between various steps of the process. The sealed-bladdered vessel 31 is loaded with a batch to be dissolved, treated, decanted, rinsed and/or dried. A pressure filtration step may also occur. The self-contained chemical processing apparatus 32 contains a sealed-bladder 32, a fluid pump 34, a reservoir 20, a compressed gas inlet, a vacuum pump 24, and a cold trap 23 as well as the associated piping 33, numerous valves 21,22,25,26,29,30,35,36 and other controls associated with such an apparatus. The claimed invention allows for dissolution and/or chemical treatment without the operator of the self-contained chemical processing apparatus 38 coming into contact with any of the process materials.

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