75401955
Dec 8, 1997
Dec 14, 1999
filtration bags for use in filtering entrained acid mist from anode-generated gas; in preventing anode particles from escaping the interior space of the bag; and, in preventing unwanted particles outside the bag from entering the interior space of the bag, for use in base metal mining which utilizes an electro-winnning process to produce such metals as cooper, nickel, cobalt and zinc
Environmental Control Apparatus