Coal gas engineering
β Scribed by Robt. Briggs
- Book ID
- 103085511
- Publisher
- Elsevier Science
- Year
- 1878
- Tongue
- English
- Weight
- 427 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0016-0032
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β¦ Synopsis
RESULTS OF COMBUS-
zloN.--Some forty or more distinct gaseous chemical components are well known to have existence in the ordinary coal gas of the gas works, in four several groups : the first of which are gases which burn in air without, or with slight, emission of light; the second, gases which, when burned with the first for supply of heat, evolve carbon, which, becoming incandescent before burning itself, emits light; the third, incombustible gases ; and the fourth, gases which are considered impurities. The first group is over four-fifths of the volume of coal gas, and is composed of only three substances or compounds, to wit: hydrogen, marsh gas and carbonic oxide; the second, which is only 7 to 9 per cent., comprises an almost endless list of hydro-carbon compounds, which are diffused, as gases or vapors, into the gases of the other groups; for the purpose of this paper this group will be con-Wβ’OLB NO.
π SIMILAR VOLUMES
with perfectly clean hands ; also to perform all the operations in absolutely non-actinic light. In review, we conclude that, in point of cheapne~, the blue process has the preference ; but, for certainty of r~ults and general reliability~ under all conditions, the silver process is the best. I sho