AN ELECTROSTATIC PRECIPITATOR

摘要

There is provided an electrostatic precipitator comprising air inlet means to a conduit for the passage of an air flow containing particles and means generating a focusing electrostatic field within the conduit substantially orthogonal to the air flow in which the generating means comprise a two dimensional surface electrode including an ion source and an earthed counter electrode and in which the air inlet means and the surface electrode are adapted to direct ion substantially against the direction of the air flow in the conduit.