A gas purifier having a removeable sample canister apparatus and gas adsorber in combination is provided for use in atmospheric containment and cleanup systems in nuclear power plants and other air and gas filtering applications. The sample canister is particularly adapted for removeable
Methods for removing radioactive isotopes from contaminated gas streams for use in atmospheric containment and cleanup systems in nuclear power plants are provided. The methods provide for removal of radioactive isotopes from a first portion of the contaminated stream, separated from the
A closure apparatus is provided for optionally closing and opening a storage hopper portion of an adsorber filter fill system used for filling adsorber filter cells in a gas adsorber filter system. The closure apparatus is particularly adapted to have a portion thereof move with resp
System includes a closed housing having a plurality of rectangularly configured beds with perforate sidewalls longitudinally disposed in housing in laterally spaced disposition with each other. Alternate spaces at inlet end are closed and alternate spaces opposite the open ends are c
Standby gas treatment system for removal of radioactive release from a nuclear containment structure not only during normal purge operations but also in the event of a design basis accident. Ventiduct trains arranged in parallel so that one is redundant are each operative to extract dust