Improvements relating to the filtration or the decolorisation of sugar amp; other liquors

摘要

251,749. Russell, M. April 4, 1925. Filters with loose filtering-materials ; filtering- media.-Filtering plant, in which the, filtering- medium is revivified by superheated steam as described in Specification 210,232, is provided with a steam-compressing pump or turbine arranged to draw the hot gases from the filter during revivification and pass them through a superheater for return to the filter, so that after starting live steam from the boilers is only required to make up losses. According to the Provisional Specification the filter may be provided with a refractory lining.