Method of feeding polymers

Method of filtering liquids containing dissolved carbon dioxide

Method of filtering molten coal

Method of filtering oil from liquids

Method of filtration using convertible (semifluidized) beds

Method of improving the backwashing of fixed beds formed of gran

Method of improving the operation of backwashable fixed beds for

Method of incinerating toilet wastes

Method of inhibiting scale

Method of inhibiting scale formation

Method of largely eliminating volume change in a resin bed due t

Method of lowering the color of effluent which contains aryl azo

Method of manufacture of tubular inertial filter

Method of obtaining a precipitate of metallic ions from solution

Method of operating a centrifugal filter and a filter centrifuge

Method of operating a centrifugal filter and a filter centrifuge

Method of operating a chromatographic apparatus

Method of operating a purifying plant and tank for practicing sa

Method of operating ion exchange system

Method of packing media in a tower or bed