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 cane juice was boiled in a series of five or six copper kettles
placed over a furnace fed by bagasse and wood. These kettles were of
different sizes, the largest being farthest from the fire and the size
of each decreased as the furnace door was approached, the smallest being
directly above the fire. The kettle next to the largest was set a little
higher than the largest one, the third higher than the second and so
on until the last and smallest, which was the highest of the series.
Clarification was done with lime and wood ashes, and sometimes a little
crude antimony. As soon as the raw juice reached the first and largest
kettle the clarifying material was thrown in and the boiling began.
The scum was removed as soon as it formed, and when the juice became
sufficiently clear it was quickly transferred to the second kettle; a
small amount of alkali was mixed with it and further boiling and skimming
was done. The liquor was then ladled into kettle number three, potash
lye and an extract of herbs were added, and after being boiled for a time
it was passed to kettle number four, and finally concentrated in the
last and smallest kettle immediately above the fire. When the required
consistency was reached, the massecuite was put into vessels to cool,
at the same time being kept in motion by stirring until the grains
began to form. It was then placed in moulds, and after having become
thoroughly cool it was dumped into hogsheads that had perforated bottoms.
These hogsheads stood on racks, beneath which there was a receptacle to
catch the molasses as it drained on through the holes in the bottom.
The draining was allowed to continue until about one-half the weight
of the contents of the hogshead was crystallized sugar. The holes were
then plugged up and the sugar was ready for shipment. The molasses was
manufactured into rum.
Public-domain text, read in full here on John Shaqi.
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