Something about sugar : $b Its history, growth, manufacture and distributionRolph, George M. (George Morrison)
History
Something about sugar : $b Its history, growth, manufacture and distribution
Rolph, George M. (George Morrison)
Sugar
The crop is ready to be cut one year after planting, so that harvesting
and grinding begin in March and are finished in May. As soon as the cane
is cut it is stripped of its leaves and taken to the mill. Part of the
leaves is utilized as straw for the cattle and the remainder is burnt.
If it should be decided to follow this crop by one of ratoon cane, the
spaces between the rows are then ploughed, fertilizer is added and the
process of irrigation and banking is kept up until the ratoons reach
maturity.
In 1910 there were thirty-four cane mills in Spain, divided into two
classes: first, the _trapiche_, a small affair where the juice obtained
from the little cane that is ground is made into table syrup, and,
second, the _fabrica_, where white and yellow sugars and molasses are
manufactured. The average fabrica is well equipped and managed. The
diffusion method of extracting the juice from the cane is employed to
a large extent. At the beginning of the refining process the juice is
treated with sulphur and lime, after which it is clarified in the usual
way. The heavy impurities are removed by bag filters and the clear juice
is decolorized by filtration through bone-char. The first liquor is
boiled to a fine-grained massecuite, which is purged of its mother liquor
in centrifugal machines and dried in large cones[92] of white sugar,
which are broken up into small pieces and used in that form. A fine white
granulated sugar is boiled from the second liquor, while from the third
and fourth liquors soft yellow sugars are made. The final molasses is
distilled into alcohol.
That the outlook for the cane-sugar industry is far from promising is
evidenced by the fact that the output has fallen off from 34,548 tons
in 1900 to 6,359 tons in 1915. The area available for cane culture
is limited and too far from the tropics to give satisfactory crop
results. Then again, a high surtax has had the effect of restricting the
consumption, which at the present time is somewhere in the neighborhood
of 150,000 tons per annum, all told.
As the foregoing figures show, nearly all the country’s requirements are
served by beet sugar, concerning which a word or two may be timely at
this point.
In 1899, the year following the conclusion of the Spanish-American war,
which cost Spain her colonies, the duty upon foreign sugar brought into
that country was increased from fifty pesetas to eighty-five pesetas per
220.4 pounds, and the excise tax was fixed at twenty-five pesetas. This
legislation effectually barred out the foreign article and at the same
time stimulated the home industry. Much capital that was withdrawn from
the lost colonies was invested in the culture of sugar beets and the
manufacture of beet sugar. The profits realized from these operations
were very large at first, which naturally led to expansion and finally
overproduction.
Public-domain text, read in full here on John Shaqi.
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