. Journal. To keen clear the ascension-pipes of ^^ retorts. , Dortmund (Germ. Pat. :!, 1883), cools in the ascension pipe so Far as to condense eveneasily volatile substances, which thus wash the shies ofthe pipe, carrying any sediment back into the this view a water-chamber to (Fig. 8 is at. in the bend of the pipe. In order to retain in the retortsolid particles, and not allow of their being carried to theexit-pipe, a series of perforated metal plates 6 is placedwithin the head of the retort as shown in Fig. 9. Kunath (Journ. fur Gaspeleucktttng, 1884, p. 2
. Journal. To keen clear the ascension-pipes of ^^ retorts. , Dortmund (Germ. Pat. :!, 1883), cools in the ascension pipe so Far as to condense eveneasily volatile substances, which thus wash the shies ofthe pipe, carrying any sediment back into the this view a water-chamber to (Fig. 8 is at. in the bend of the pipe. In order to retain in the retortsolid particles, and not allow of their being carried to theexit-pipe, a series of perforated metal plates 6 is placedwithin the head of the retort as shown in Fig. 9. Kunath (Journ. fur Gaspeleucktttng, 1884, p. 262)publishes his investigation on the causes which producethin or thick gas tar. He comes to the conclusion that the nature of the tar depends upon the physical pro-pi rties of the coal. If nut coals be gasified no thick isobtained, whatever the temperature may he at whichthe coal was distilled ; the same coals, however, mixedwith smalls ami dull, will always produce a thick tar ondistilling, even at a comparatively low temperature. Thecause of a thick tar is principally the line .lust which isin. chanically carried away to the exit-pipe and a ,..;.I be used whichis freed from all stuff passingthrough a 5mm. riddle, no thick tar can be produced, whatever the temperature may lie. Smalls and dustmust he worke
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
