The Delta independent., 1890-04-29

Ar. n. L. 8ryau OF xOleQO,
chemist who first came into public
notice as an expert on distillation in
tho service of the Government during
the prosecution of the whisky ring by
Secretary Bristow.
Before this invention evaporation in
the arts was conducted in the direct
application Of heat to the vessel con-
tanning the f1uid to be treated. as in the
case Of an ordinary steam boiler, where
the water surrounds the tubes and the
heat is carried through the latter.
Briefly stated the Yaryan process is
just the reverse. The fluid to be heated
is fed through the tubes, while the
heat Is applied around them by the
agency of live steam generated in the
usual manner. These tubes are ar
ranged in series Of three, four, five,
or six, or even eight cylinders con-
nected with each other, through which
the fluid circulates, surrounded, as
above indicated, by the live steam,
which gives up nearly all its heat be-
fore it is permitted to escape. The de-
tails of the machinery are simple, the
tubes and condensation. chambers are
easily flushed and cleaned by live
steam, and the work by each set is
called an .'effect."
Thus battery Of three cylinders
produces triple effect. one Of five q
quintuple effect involving five cylin-
ders. and the necessary tubing, of
course. cost more than for quadruple
or triple effect, but it utilizes more
or. in other words, requires less fuel
aud is correspondingly economical.
n tho aytronfinn rf NJ
juice. glucose, brine. or any othsr
chemical solution; or from wood pulp.
or in collecting oil from wool wash
ings, the new process has proved itself
to be much more economical than any
other known; and although 1t has been
in use less than three years 1t has gone
all over the world. The leading sugar
plantations, retineries, wood.pulp
mills, and chemical works in all coun-
tries have adopted it, and the manu-
facture of tho machinery has already
grown into great industry.
Tho process is, of course. adapted to
the production of chemically pure
water and can be readily applied to
the machinery of the great ocean
steamers and naval cruisers for the
purpose of making good the loss of
feed water to the boilers. 1t is also
applicable to the use of hotels and
private houses, where pure water for
the toilet, laundry, and drinking pur-
poses is so essential. Separate plants
have been designed for the use of cities
and private corporations who desire to
furnish water chemically pure for do
nestle consumption; and when 1t is con-
sidered that thirty-tive or forty tons of
absolutely pure water can be furnished
by this process for every ten ton of
coal consumed-or at cost of from IS
to 40 cents per thousand gallons-and
that the best result by the old processes
are twenty tons for each ton of coal.
il will be seen at once that pure water
for drinking purposes at least can be
brought within the reach of all.
The only real question in connection
with the use of the new process for
supplying pure water for domestic use
relates to the distribution of the water
after it is produced. Bottling, barrel.
ing. and delivering by wagon, even in
large quantities, multiply the cost to
such an extent as to put the water be-
yond the reach Of the multitude, hence
a system of distribution by special
pipes would seem to be necessary.
This, it is estimated, might be done at
the cost of about &S, 500 per mile. ex.
elusive of the house connections and
fixtures; but surely here is field for
benevolent investigation, effort, and
expenditure we'll worth looking into,
especially in cities like Chicago and
Philadelphia, where hundreds Of deaths
arc said to occur monthly from the use
of polluted watcr.-M. Y. Sun.