He states that 1 Kilogramme of that
substance should be present for every 100 litres of crude acetylene
evolved per hour, 4 kilogrammes being the smallest quantity put into the
purifier. In English units these figures are 1 lb. per 1.5 cubic feet per
hour, with 9 lb. as a minimum, which is competent to treat 1.1 cubic feet
of gas per hour. Thus it appears that for the purification of the gas
coming from any generator evolving up to 14 cubic feet of acetylene per
hour a weight of 9 lb of puratylene must be charged into the purifier,
which will occupy (60.28 / 9) 542 cubic inches of space; and it must be
so spread out as to present a total superficial area of (4 x 144 x 14 /
100) 80.6 square inches to the passing gas. It follows, therefore, that
the material should be piled to a depth of (542 / 80.6) 6.7 inches on a
support having an area of 80.6 square inches; but inasmuch as such a
depth is somewhat large for a small vessel, and as several layers are
better than one, it would be preferable to spread out these 540 cubic
inches of substance on several supports in such a fashion that a total
surface of 80.6 square inches or upwards should be exhibited.
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