Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1993-01-06
1996-04-09
Mai, Ngoclan
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
422186, 423249, 96108, 96143, B01D 500
Patent
active
055058299
ABSTRACT:
A method and apparatus for separating a gaseous mixture of chemically identical but physically different molecules based on their polarities. The gaseous mixture of molecules is introduced in discrete quantities into the proximal end of a porous glass molecular. The molecular sieve is exposed to microwaves to excite the molecules to a higher energy state from a lower energy state, those having a higher dipole moment being excited more than those with a lower energy state. The temperature of the sieve kept cold by a flow of liquid nitrogen through a cooling jacket so that the heat generated by the molecules colliding with the material is transferred away from the material. The molecules thus alternate between a higher energy state and a lower one, with the portion of molecules having the higher dipole moment favored over the others. The former portion can then be extracted separately from the distal end of the molecular sieve.
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Dixon Harold M.
Mai Ngoclan
Moser William R.
Tumm Brian R.
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