Show PROVED Bi METHOD FOR MAKING COKE new methods for removing sulphur from colio coke and thin thus making that pro duct better adapted for or a household cupl and nd also for or work la in the steel fur ur aces act have been developed by the use at of hydrogen sulphur has always been jo ta objectionable constituent of coke atia these days as the supply of coal containing low percentages of that ele ment grows less the problem of getting nl rid of it has been the subject of expert ments for several years dr alfred R powell of th exi eiveri erl ment station of the united states bu mn tean of mines announcing the new method in a bulletin of the amerie vi chemical society says that coke de sulphur izing must of necessity be choal must remone a largo large percentage of f the sulphur and inn involve ob a little change in existing aquil equipment ment 1 I III the same time tinie he continues it must not at af i fica the quality or the quan quantity tit of lie tl e atao r ake produced dr ponell 1 lassel hydrogen gas through the coking oal coal and alen tl en ex amina 1 the resulting coke and deter minel 1 the results by the amount of hy by droin sulphide cresent he ile niso also found that as the byproduct gases b from the coking of coal foutain about al out 50 1 fer er cent hydrogen he be could use them for the dame as the pure purs hy by drogen although the results bere ere not to so ext extensive e naive the efficient hoener lio never la is hefeli i and the chemist bel believes lees that I 1 the of the I 1 byproduct gai gas of the he coke over oer through the commercial miss may prove of coir corr mercial value |