. Journal. atui d with grease, &c., to run i through the pipes 37 and 38, into which, dm ing thi operati in, nnectcd with 11. The storage-tanks 6 are then pu! into i ition with the lower part ol the oj finder fr the solven! has been «it] ra nd the a di rotating at a much higher speed than befot and redui i d pressure are applied to rap still left in ihr .i it. i ials. The materials anrendered dry and fil for removal from the cylind olvenl i red in the tanks i; is pa ged from th through a pn liminai j he iterinto astill7, ahinto tin- tanks to enable this to be done. The mis. ,which are left in
. Journal. atui d with grease, &c., to run i through the pipes 37 and 38, into which, dm ing thi operati in, nnectcd with 11. The storage-tanks 6 are then pu! into i ition with the lower part ol the oj finder fr the solven! has been «it] ra nd the a di rotating at a much higher speed than befot and redui i d pressure are applied to rap still left in ihr .i it. i ials. The materials anrendered dry and fil for removal from the cylind olvenl i red in the tanks i; is pa ged from th through a pn liminai j he iterinto astill7, ahinto tin- tanks to enable this to be done. The mis. ,which are left in the still are withdrawn through a tap 20,while the cap tsed ilvi ni. along « it h m atei i condensed. steam jackets, for heating purposes, and with tightlyfitting lids, are provided internally with suitable app:for carrying the materials to be treated, with «for tissues, or with cages for garments and loose materials,mounted upon axles passing through the cylinders, soas to be rotatable by means of external gearing. Whenthe materials have been placed in the cylinders, a is run to a suitable height into one of the latterfrom a storage tank 13, while the axle is revolved at aslow speed, to effect the saturation of the materials andthe extraction of the grease and other matters from vapours produced during the operation are drawnby means of a vacuum-pump 14. through a pipe 19separator 15, where they are condensed and whence therecovered solvent is removed for further use. W ben and received in a collector 9, whence, after removing thewater by means of a tap 10, the solvent passes again tothe storage-tanks 13. The circulation of the solvent is effected better, iti
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
