The Yellowstone journal., 1894-11-09
o-<Ton.
- \ 'zzgi LIZ lstzll3fEi:!ONS
= s:.i.efIc
-
F.CTe ARNnT SODA WATER.
80 Ss,... l. vced II rs .,anufacture Ac'
cording TO Present Methods.

40 I
cortling TO Present Methods.
Many s,a,r, ago Frenchman con- |
ceived the idea Of manufacturing car !
Donated water by mixing solution o: |
tartalio atiG with carbonate of soda. |
The rronorfionS used We're 80 grains Of |
acid and 10 grains of the soda dissolved
in a wlneglnss Of water. This was the |
oli-iiIal soda water.
The public knows in q general way
that marble dust is sometimes used IL
r7aking soda water, and the question is
sometimes asked. Isn't marble dust
injurious to the system:' As IA matter
OF fact there Is no marble dust. or. To use
the technical term, carbonate OF lime,
in soda water. The part played by mar
Bile aust in the process uI manufacturing
soda water Is simply TO supply the car
eu..c acid gas with which the water iS
charged Tine same gas generated in a
different manner gives froth to beer
kchtrus bread and makes the bubbles ~
buckwheat cakes This gas can be Oh
tanned from carbonate of soda, carbon
n. If mnnme~ia, carbonate Of lime or
from any other carbonate by treating il
with an acid Sulphuric acid is gener-
ally u-.l The powdered carbonate -
/ lime or marble dust. as it is popularity
called, was until quite recently used al
most exclusively for This purpose be-
cause it is very cheap.
To understand how the two chemicals
-sulvhurir acid and carbonate Of lime
Act when brought together the reader
may call 10 mind the mixing OF q scid.
li+z powdar The tartaric acid in rho
white paper, when in solution, unites
with the carbonate Of soda III the blue
raper. Fffel7eScence at once takes place,
carbonic acid gas being liberated and
tartrate OF soda being formed. AiinoU-.i
nature furnishes an unlimited quantity
of carbonates, almost amy other acid,
strange to sly, viii drive out the caT.
bonic acid and usurp its place. This is
seen in the mixing Of a seidlitz powder.
Now, this is exactly what takes plac"
in the manufacture of soda water, ex-
cept that the gas, instead of being per-
mitted to escape. Is COntinccd TO the Z IN
orator The generator is simply an ap-
paratus in which the acid and the car
Donate can be mixed conveniently. From
the generator the gas is conveyed TO one
Of the portable steel foundations, the
appearance of which is familiar 10 the
public The fountain is about three
quarters full of water. After quantity
OF gas has entered the fountain IL Is
well agitated 1t is usual now to place
il ON a cradle or rocker, and either by
hand or steam. power to rock il for some
time, generally about half an hour, in
order to mix thoroughly the gas with
the water. When this is done, the foun'
tain is again connected with the genera
nor, more acid is allowed to reach the
carbonate, more gas Is formed, and the
same process is continued until tho
pressure on the fountain shows l5O
pounds to the square inch. The foun-
tain is then SET aside, and another is
put on in its place, and theprocess goes on
until the supply Of gas in the carbonate
has all been extracted The refuse is
thrown away, and fresh supply of car
sonate is placed in the generator. The
refuse is s'rlphate of lime. The sui
phuric acid has united with the lime,
and the carbonic acid gas has been lib
Grated
As has been said, marble dust has
been used in preference to any other
carbonate in the manufacture Of soda
water because it is the cheapest. Quite
recently at least one firm in New York
substituted carbonate of magnesia This
is little more expensive. On the other
hand, the decarbOnized magnosia, in
stead of being thrown away like UiIe
sulphate of lime, can be utilized. It is
pumped or drawn up TO higher apart
ment where il is strained and filtered
TO exclude all impurities and tested. 1t
is thon placed i'll large evaporating pans
and allowed ~ crystalline. The product
is sulphate Sf magnesia, better known
rs ep-'nn .Ir5.
The soda water business IS exceeding
lv lucrative. The cost of manufacture
is from 20 = cents per gallon, and the
product is sold for 10 cents. Sirups COS
s---c 90 20 30 cents gallon and are
sold from 4j - 10 cents. There ara
generally about 81 glasses to the gal
Ion, and soda water is sold fOT CE 10
cent. a .Is.,s. 0.l4gr artificial miner a.
~Taters arc sold for aLout 80 cents Pc.
gallon. - ) gEg YORK Sun.