The New Orleans daily Democrat. [volume] (New Orleans, La.) 1877-1880, 1880-03-05
THE NEW ORLEANS DEMOCRAT, FRIDAY MARCH &, 1880

!plie! uult es ID OFulnAFy lag TN the Leffe
With nri apparatus which was efeuted tturlnx
The laet ss,aEon for the purpose Of extracting
the juice by a PROFESS COinblninH the ordinary
I1,ode of compression with that VI saturativli.
reoen se d T Msrs se ss WIZ a afs r..
and myself. was, by M unfortunate oversight
rendered incvmplete and led 10 few positive
conolusiUna. "A few days later. happening 10
meet Archibald MITCHELL ESQ. oi, hls way to
berry and myself his valuable assistance, bud
the following statement and figures are the
result. besides the data sought In the two
roller trials, the following additional were
considered necessary, viz!
4. Quantity VI satlration water and its
tetnperature.
q rempsratsreof Juice from three rolls and
.. speeiiie etsvitles Of saturated Juice taken
" regular intervals ~ Ii came from all rolls
4. Rpecilo ul'avities Of Juice taken from the
four pairs VI HaturatioH rolls.
All these may be considered as hardly neo-
eaeary but 70 those who observed the very
~ they developed durns the first trial, they
became absolutely 30 ny q means Ut verifying
facts which they would be called on to AM
touncs. The apparatus and process may be
10 an ordinary three roller mill. four feet
diameter. ID attached carrier for The pir-
poaa 81 carrying away the bagasse, usin0 al
lndia-rubber band instead 0f Stats: this
of two rollers twenty Inches III diameter aud
three feet long, get perpendiculaIly above
each other. A carrier With al india-fubber
band conveys the baHaase from this two rvl-
Ter mill 20 another mill exactly aimilar from
this n IA passed. hv the same mode, tu third.
/ and ftvm the third 10 q fourth, all vi the
! same dimensions NJ the first two roller mill
| aud running ut the same apesd which was
about Eve and = half revolutions per minute.
These four mills. driven BY All independent
engine, are placed On All Inclined plane, rlsing
70 the laHt, which ls at an elevation 81 about
thirty inches abuve that Ut the ilrat inlll.
| THE elevation enables the Juice from the
fourth OF laet mill 10 run down in a trough
70 the carrier. which conveys the bagasse
the begases ~ II leaves the mill. After the
baHapee passes through the first uair gf
rolls y .ls sptiakled With hot water. con.
| veyed through pipe extending across the
pr eees ID repeated between the second and
third pairs uf snlall rolls. but between the
| third and fourth pairs there Ia no further
satufation. with tho
THREE ROLLER M1Lt.
II, nos lbH. III cane were crushed.
Per cent.
The resulting quantity Of juice was 10
LIZ icGe@htN 1obuVssy va uuE"SSV+ cS.V
The losn ACKNOWLEDGEMENTS 40
-, Total ,:....s.,::....s.s... ..s.tt,i lon
me . an,eclllc gravity was. ....t.s.s... ~
pounde Of sugar IN 100 lbs tame .,44... bet
Tamparaturs III l,,lra Observation-Disclosures. Az
In the first teet, at the same plantation. the
per cent Of iuier from the Same mill was "a 4G.
The haEaHse 10 IA. and the lOHH i. Total 100.
The aetof three rollers made ~ revolutions
per minute
ELEVEN lsoIItg1, Mthh wlTH sATuMATloN.
tT,6ao lha VI oane we're employed In this test.
t44is gallops Of sat,ration water. Weighing
ispg % lbH we're used.
The resulting saturated juice weighed l3,a7s
lhe,
The resulting bavaase Weighed 1865 lbs
Nov. detluctlnE the l203 90 lbs of water. we
have left Of.
Juice ...,.l... .t2t74s7 lbs OF Gs.se per cont
BagaHae ...... a,a65 lbs or az 81 -
LoaE 5tt44s... 64l6s lbs Of 5da
but oil this h Dor ,,snt OF water introduced
tnto the juice, Weighing 70 Baunle has
returned 90 us Ia saturated juie,. Weighing
centage Of juice obtained to 7sG The temper
allure IF the aaturatton water was hot. In
tended.not To exceed tioe Fahrenheit.
ln Maumene's very recently published
works the PROCESS 81 saturation by Duohaa-
4
~, lie states that warm water only at
CO. Oentigradeo Of l4op Fahrenheit can reallss
the double condition of fully saturating tho
bagasRe and not increasing the inversions
ealing fully understood. although he, Matt
meme, secs nothing new In IL, for Call, of
parin, used tho same method In 1870.
ThiH hot saturation water Increased tho
temperature 81 tho juice to Do', Of two de-
graes higher than the mill juice. The guam
ttty Ut uaus HuEat til ttte saturated iaiee Was
a.Jb, and II will be particularly observed that
under tina gentler process 0f antu alton. with
hot water. the spectftc gravttiea Baume and
the per cent Of erystAlizsd sugar declined,
| under Increased pressure, In exactly tho same
ratio. In other words, there was no apparent
increase ot impurities, ~ In the lvt,-rolIer
pressure. without sataration. In the fret
experiment on the Jerre Haute plantation
mixed, ID ii came from The mill,
showed such widely divergent results that
| the observer waa loft In doubt IN to hia
| figures. So It wac determined III the last test
70 verify them BY taking Ave observations
at. regular Intervals during tho thirty-six
minutes that tho mill was al work. The re-
anltinR specific gravities, Baume. wcre7.7, ~
| SO. &c and "a, or All average Of within Il frno-
tton uf II, while the general sample showed
ia. 50 there could be no reasonable doubt
| that ~ was not tho exact specific gravity ol
the saturated juice. The specific grayities d
juice from each Of the four pairs Of sat,ra.
tinn mills may be Interesting TO some and arc
| given. Per cent
Juice from frat pair saturation mills. :. =, &c
Juice from second pair saturation mills 5.l
Juice from third saturation mills. .......t.
Juice from fourth and last pair saturatlon
| mills Observation-Disclosures. 5f
700 pounds Of crystalizable sugar wer,
contained In each 100 pounds Of cane, being
ua.96) nearly twenty per cent more than the
thrte-roller mill produced. Ii is to be re-
| meIabered TINT whatever amount Of water Ii
added To the juice, u proportionate amount O
| fuel ss required for its evaporation.
| SUMMARY.
| .# Specific Per cent Lbs sugar K
! gravity. OF sugar. loo II cane
Yate- Product fromy
L rolls ............... 10 1l0A
| Yale Product from5
| rolls IA iOl7 CT
| Wilkinson rim Product
| from Z rolls. -...... TT 1868
Wilkinson Product
frnmh rolls. ....... IA go I'll
| aodbary Product
| from sroils. ........ rs ah 90
4 Goahery Product
i