Patent ID: 8133441
Filing Date: 2012-03-13
Classification: B01D,B01J,B22F

Abstract:
1. An apparatus for producing inorganic metal oxide nanopowders and metal nanoparticles, comprising: a stirrer, a measuring pump, a reactor, a micro-membrane tube unit, a container, and an ultrasonic generator; wherein the micro-membrane tube unit is installed in the reactor, the reactor is coupled to the ultrasonic generator at a controlled temperature and frequency, the micro-membrane tube unit is connected via an inlet with the measuring pump that is linked to the container, the stirrer has an oar and is installed in the reactor, and wherein the micro-membrane tube unit comprises a plurality of micro-membrane tubes around a central axis of the reactor and are arranged along an axial direction of the central axis, micro-holes are formed on walls of the micro-membrane tubes, the size of the micro-holes on the walls of the micro-membrane tubes is ranged from 0.03 to 0.3 μm, and the oar of the stirrer is located within a space surrounded by the micro-membrane tubes.