A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
A N T I M O N Y : ITS HISTORY, CHEMISTRY, MINERALOGY ...
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THE METALURGY OF ANTIMONY. 87<br />
roasted ore should have a grayish appearance. Ore containing less<br />
than 30 per cent, of antimony is not suitable for this kind of furnace.<br />
cao scnojnHRo'c.o CROS 5EC7IQN THROE t<br />
ESS<br />
mm<br />
10MCITUDINA I SECTICN s li<br />
FIG. 23.—Herenschmidt' s revolving furnace.<br />
A, The<br />
to be<br />
mufle<br />
volatilised.<br />
in which the G, ore is<br />
B,<br />
C,<br />
The<br />
The ash-pit<br />
fireplace.<br />
H.<br />
Condensing<br />
The last chamber<br />
chamber.<br />
in which any<br />
D,<br />
uncondensable<br />
Iron flue, through<br />
gases pas<br />
which<br />
out<br />
any<br />
densed<br />
remaining<br />
by<br />
gas<br />
a<br />
is<br />
stream<br />
to be<br />
of water<br />
con-<br />
F,<br />
E,<br />
Iron<br />
Chanel<br />
pipe<br />
under<br />
leading<br />
the ground.<br />
J, Dor<br />
running<br />
for<br />
through<br />
emptying<br />
K.<br />
the contents<br />
into the condensing chamber<br />
the trioxide K,<br />
of the chamber.<br />
G. the<br />
Smal<br />
mufle.<br />
pipe to lead water into<br />
folowing<br />
In 1881<br />
is a<br />
M.<br />
brief<br />
Herenschmidt<br />
description :—<br />
patented a proces,* of which the<br />
The natural sulphide ore, containing, say, 25 per cent, of antimony,<br />
* New South Wales patent No. 997, Oct. 10, 1S81.
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