Features International Sugar Journal
The Blackboard

Diffusion: History [Full subscriber]

In 1962 JH Payne in Hawaii noted that diffusion was universal for processing sugar beets, whereas juice in sugar cane was expressed by pressure rolls. Hawaiian factories used batch diffusion, but they all converted to milling by 1905. Development of diffusion machinery in the beet industry then renewed interest in its application to cane. Hawaii used analysis for chopped cane involving processing a sample with water in a small disintegrator which released essentially 100% of the juice. This was investigated further and a 20 TCH pilot plant was installed at Kekaha Sugar in 1958.  Cane was fed to a Rietz…

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