Inventors:
James L. Filson - Rockford IL
Ramesh R. Bhave - Cranberry Township, Butler County PA
James R. Morgart - Stillman Valley Township, Ogle County IL
James M. Graaskamp - Machesney Park IL
Assignee:
Aluminum Company of America - Pittsburgh PA
International Classification:
B01D 6100
Abstract:
The method of the present invention for separating pyrogens includes passing a pyrogen-containing liquid through a zirconium oxide membrane on a ceramic support. The membrane on ceramic support preferably includes a porous sintered zircondium oxide membrane on alpha-alumina support.