Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1991-06-07
1993-02-02
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
55 17, 55392, B01D 4500
Patent
active
051834812
ABSTRACT:
A supersonic gas flow is employed with a virtual impactor to separate fine particles completely from the gas. The carrying gas and fine particles are accelerated to supersonic speeds and then impacted against a virtual impactor. When the supersonic stream strikes the virtual impactor, a shock wave forms in the gas stream near the impactor surface. The carrying gas turns sharply away while the particles in the gas stream, carried by their inertia, continue in their original direction and pass into the virtual impactor. On the downstream side of the virtual impactor surface, a non-contaminating inert gas maintains a pressure equal to or greater than the pressure of the carrying gas between the virtual impactor surface and the shock wave. By using a supersonic flow to carry the particles, the carrying gas can be effectively completely separated from the particles and the minimum size of particles that can be separated from the carrying gas can be reduced from those achievable by conventional prior art subsonic flow virtual impactors.
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Aerochem Research Laboratories Inc.
Nozick Bernard
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