. Journal. seous Agents ; Apparatus ? Treating . H. H. Lake, London. From H. :ssoliers, Tenes, and P. Regnier, Mustapha, Algeria,lg. Pat. 18,512, Aug. 26, 1904. apparatus consists of a vertical cylindrical vessel 1,ided uith perforated sleeves 11 for the introductionIrawal of liquids, and with a feeding hopper 2. Anpipe 3 having a perforated compression-cone tohimedian screw 5, to which a right-handed orled motion can be imparted alternately, and aMing or cooling jacket 12, projects at an angle from theof the cylinder 1. The material to be treatedtown the cylinder 1 and up the inclined pip


. Journal. seous Agents ; Apparatus ? Treating . H. H. Lake, London. From H. :ssoliers, Tenes, and P. Regnier, Mustapha, Algeria,lg. Pat. 18,512, Aug. 26, 1904. apparatus consists of a vertical cylindrical vessel 1,ided uith perforated sleeves 11 for the introductionIrawal of liquids, and with a feeding hopper 2. Anpipe 3 having a perforated compression-cone tohimedian screw 5, to which a right-handed orled motion can be imparted alternately, and aMing or cooling jacket 12, projects at an angle from theof the cylinder 1. The material to be treatedtown the cylinder 1 and up the inclined pipe 3,ischarged from the open end of the compression-Liquid treating agents are admitted tlu-ough the6 and 7, steam and gaseous or liquid agents throughh id 11, any liquid from the compression-cone 4 being re-1 1 through 14. Volatile products are taken away by t lielight liquids by the taps 9 and heavy ones by 29 is used for cleaning out. It is statedseveral different treating agents may be used at. the same time in different parts of the apparatus, whichoccupies little space and gives very complete extractionowing to the constant movement of the particles treated,and to the use of the counter current principle.—W. H. C. Filter-Press Frames : Impts. in . P. Meura. Tournai, Belgium. Eng. Pat. 24,446, Nov. 11, Fr. Pat. 340,503 of 1904 ; this J., 1904, 815.— Filtering, or Separating Liquids from Solids, or Mattersfrom Impurities and for Analogous Operations; Apparatus for . C. Dreyfus, A. Meyenberg and The Clayton Aniline Ltd., Manchester Eng. ,957, June 7. STRONG closed vessel, made in two parts with only onejoint, is divided internally into an upper and lower com-partment by a perforated partition. ties thefiltering medium, preferably porous filter is stated that by the use of porous stone or tile instead 1004 JOURNAL OF THE SOCIETY OF CHEMK \l INDUSTRY. Oct. is, ms of filter-cloths, higher temperatures and much greaterpressures


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882