Journal . currentof oxygen is passed through the materials. Chlorine is atonce generated, and as the oxygen re-oxidises the manga-nese the evolution of chlorine proceeds continuously,hydrochloric acid being supplied as required. The chlorineis subjected to electric action !in an apparatus such as isused in the production of ozone from oxygen.—S. H. PATEXTS. Improvements in Absorption Towers for the Manufactureof Muriatic or Nitric Acid. H. P. Wcidig and R. , Philadelphia, \. Eng. Pat. 1082, January24, 1888. 6</. The invention consists in absorption towers composed of »series o
Journal . currentof oxygen is passed through the materials. Chlorine is atonce generated, and as the oxygen re-oxidises the manga-nese the evolution of chlorine proceeds continuously,hydrochloric acid being supplied as required. The chlorineis subjected to electric action !in an apparatus such as isused in the production of ozone from oxygen.—S. H. PATEXTS. Improvements in Absorption Towers for the Manufactureof Muriatic or Nitric Acid. H. P. Wcidig and R. , Philadelphia, \. Eng. Pat. 1082, January24, 1888. 6</. The invention consists in absorption towers composed of »series of cylindrical sections ojien at the top and closed atthe bottom, each section having a vertical channel, extend-ing from the bottom to a short distance from the top, andeach section being also jirovided with a projecting externalcup, open at the top and in communication with the bottompart of the section. Fig. 1 is an elevation of one of thetowers, and Fig. 2 a cross-sectional view of tlie other. A are. April 30,1888.] THE JOURNAL OF THE SOCIETY OF CHEMICAL INDUSTBT, 823 the ilifffifiit sections, niiiile of carthi-invare, with the uimularflanges B at their o|)eii ends. Kaeh seetioii eontaius annpwanlly-projecting channel E, formed on the inside. Onthe top section a cover C is jihiecd, provided witli a centralneek V for coupling the pipe that leads the gases into thetower. The sections are so placed that the channels K arealternately at opposite sides, so as to lengthen the course ofthe gas. Each section also contains a cup 1 (Fig. 3), open Iig. 3. ^. F 22?^^ ^i- at the top, and in coiumunicatiou with the inside by theopening G. The top of the cups F are on the same levelwith the upper edges of the corresponding channels E. Thebottom section has a lateral neck for coupling two towerstogether. The hot gases from the retorts are conductedinto the top of oue tower, the gases passing from one sectionto the other by the channels E, and are for the most partabsorKd by coming in con
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
