Apparatus and methods for collection and removal of particulate matter, including fine particulate matter, from a gas stream, comprising a unique combination of high collection efficiency and ultralow pressure drop across the filter. The apparatus and method utilize simultaneous electrostatic precipitation and membrane filtration of a particular pore size, wherein electrostatic collection and filtration occur on the same surface.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
This invention was made with U.S. Government support under the U.S. Department of Energy Cooperative Agreement No. DE-FC26-98FT40320, Base Cooperative Agreement, Task 2.5--Emissions Control for Diesel Systems. The U.S. Government has certain rights in this invention.