The Pacific commercial advertiser. [volume] (Honolulu, Hawaiian Islands) 1885-1921, 1905-11-23

General Control of Manufacture, Mr. J. Scott, H1o
report Factory General up from the weekly
Bulletins issued by the Experimental Station also attached
Individual reports follow:
Qualification of Raqu juices.
Eleele Kauai, July 18th, 1905
Qualification its object the elimination of all
lime principal agent
used 1t is indeed almost the only besides heat for al
though there supplementary agents used the founda
of OF DELEGATION lime and those systems
only differ in the mode OF applying the lime While nobody
will accept the rather startling doctrine OF recent writer in the
juice until reaches the carer is certain that carifca
sugar Juice and the boiling keeping
qualities of the sugar are directly affected by it
The action of heat and lime all of the abumens
canewax phosphorc acid and inorganic bases akaes
and part of the gums pecn and organic acids 1t is impossible
any aka all of the gums, gucoses
acids and bases and these with the of ne)
form the molasses.
general practice temper juice
that the clear juice slightly alkaline mus Some factories
keep liquors neutral while Hawaii work with acid
juices Troude deduces from the researches of NJ L. Lndet
juices syp should be kept alkaline much
avoid their becoming acid prevent their becoming neutral
for is neutral solutions thai certain salts and metallic acids
promote inversion While there is little objection cidlfy
ing juices lined akalnity and clarified
the practice OF leaving the juices with their natural acids tree can
defended the the latter will be light coord
but subject to inversion and the moasses VIII be low IN purity
Cor atherputrescent) but will contain large proportion OF
products On the other hand of lime pro-
dces organic salts under the influence of heat and increases
quality Geerlgs nearly all other authorities
clarified juice which is family alkaline If
effect precipitation the
should be neutralzed with uphurous phoshoc arbonlc
acid; DELEGATION complete before the alkaline the
acidty should be destroyed by carbonate of soda
The mode of applying lime the Hawaiian
Islands, measured quantity OF lime being added measured
quantity of juice few factories menl OF definite
strength and allow constant stream flow into the juice
possible after leaves the mills One factory applies
all the lime the after passing the first MILL described
in the Machinery Report H S. P A. 1903 NJ Vein
rich of Cuba has elaborated this last method and patented
process in which he the juice while it still in the
that the mills clarified juice. G. Hagemann of St
Cox W. l. tepers the third mill juice and uses it Tor aceTa
behind the first mill These three last processes reduce the
quantity of mudCake.
Among recent improvements may
the Lemkuh process in which the quantity of lime required
be reduced 90 In this the albumnods
coaguated by heating the before lining C. with
small quantity of aluminium sulphate and supuc acid The
quantity introduced offers disadvantages
compared with the moasses forming amidoacd salts formed
from lime and albumnoid
K R Hanakers of Java dispaces of eme by ordinary
soil Any soil will the according to Mr. Hama
but probably mari will satisfactory results
The for rendering tubd liquids bright
well known while the chalk of mari will ne1tralze OF
juice Mars practically
enti in islands (5ide Maxwe's Hawaiian Lavas and
Sos) but puverized coral alone mixed clay soil will
A paentee mixture Of lime and powdered
Weisbergs supi-cabonatation process highly spoken
France but mainly intended tor the production OF white re
fined" sugar.
Electroyc Europe and superheat Qualification
both moribund.
intermittent settling general in Hawaii although factory
,ses continuous settlers pronounced while least
one factory dspenses altogether with settling tanks and takes
the Juice direct from defecators to evaporator
The fterne through flter-pesses is universal in
50 little in different mills nothing be said here
The fltering of clarified gce IS now PTaced IN nuo
TYNE of filter commonly used and fairly good results
in some mills but mills its work is somewhat unsals
factory This may due the OF unsuitable grade OF
or to forcing apparatus beyond its capacity but at any
RATE the laver of Sand through which the juice passes too
thin to give good In factory the juice filtered