Gunnison news-champion., 1912-09-06

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vslssble nessllsssoas Assas sss
sssesp brosdcas, from she s,scks a
cor soeisess; as~ss sad po.sonoss
solids destroy veeessbls and animal
life, end masses Of BLACK smoke posT
from osr ckssaneys and settle in
closds over many 81 osr cst'es, Ssa-
dsrlae them exceedinxly d,sAeree-
sils and snsishsly. Even with
psesent kae~ledee, prscticsliy all
dust nuisance are rrevsntsble, and
Legislation the country over is dim
the dust output from
smelters, cement plants, and fro@
smoking ch'mness, often with the
result thai the collection Of dust in
cident 10 smoke prevention becomes
a source Of profit.
almost inestimsble LOSSES Of sui
phur, arsenic and bismuth are roc
taking place in the Ass dusas and
nse essss.
In proportion 10 output the lossss
q sipc sss probsbly sressss than
those Of any other metal, and ere
important because there
10 almost no recovery Of zinc from
mansfactured products and almost
no conservation of zinc by sccumala-
ton. Besides these losses in the
mining aud concentration of zinc
ores, there are incalcu liable losses,
which without question run into
many millions of dollars and un-
doubtedly exceed the total valse OF
the zinc mined, in slaes and waste
products from other processes. Zinc
has been and in general still is con-
sidered about the worst impurity to
be found in the ores of copper and
lead, for it has always given trouble
in their metallurgy.
an combined but unfortunately
in relatively insoluble form there are
unlimited supplies of potash in this
country. Because no methods are
known for economically obtaining
the potash we are obliged to import
from Germany about Sl5,0U,O0O
worth each year, Potash 10 abso-
lutely essential, and unless methods
can be found for obtaining it from
domestic supplies, we shall be
Obliged to purchase it from Germany
at a price at least 400 per cent more
than the cost of delivery in New
York.
"Our waste OF nitrogen, worth in
combined form about fifteen cents
per pound, are almost inconceivable,
and no calculation can give us real
idea of what these losses mean. AL
though we produced last year over
4O6, 100000 tons of bituminous coal,
we recovered only S3,SOO,0OO worth
of the $l60,000.00O worth of re-
coverabie nitrogen in the coal
''Of course, it is entirely imprac-
ticable under present conditions tc
recover as ammonia all of the nitro
gen that might be obtained, but il
does seem most regrettable that ol
GO, 100000 tons of coal converted in
to coke in 1910, containing S22 600
600 worth Of recoverable nitrogen
only about one-sixth was treated in
ovens or retorts which could make
that recovery possible. The rest o1
the nitrogen in the coal went off Al
free nitrogen in the air. 1t is esti
mated that since the first by -produc'
coke oven was built in this countr,
in 1898, and up to the present time