Scientific American Supplement, No. 633, February 18, 1888 by Various
page 67 of 135 (49%)
page 67 of 135 (49%)
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_First_, The topped cane is delivered at the factory by the farmers
who can grow it. _Second_, The cane is cut by a machine into pieces about one and a quarter inches long. _Third_, The leaves and sheaths are separated from the cut cane by fanning mills. _Fourth_, The cleaned cane is cut into fine bits called chips. _Fifth_, The chips are placed in iron tanks, and the sugar "diffused," soaked out with hot water. _Sixth_, The juice obtained by diffusion has its acids nearly or quite neutralized with milk of lime, and is heated and skimmed. _Seventh_, The defecated or clarified juice is boiled to a semi-sirup in vacuum pans. _Eighth_, The semi-sirup is boiled "to grain" in a high vacuum in the "strike pan." _Ninth_, The mixture of sugar and molasses from the strike pan is passed through a mixing machine into centrifugal machines which throw out the molasses and retain the sugar. The process of the formation of sugar in the cane is not fully determined, but analyses of canes made at different stages of growth show that the sap of growing cane contains a soluble substance having a |
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