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Lynne Wong's PhD thesis

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LIST OF FIGURES<br />

Page<br />

Figure 1.1.<br />

Figure 1.2.<br />

Sugar cane growing regions (green) and the three climatic zones<br />

3<br />

in Mauritius (Anon., 2006).<br />

Flow-diagram of raw sugar manufacturing process in Mauritius5<br />

(Anon., 1997).<br />

Figure 1.3. Cane sampling by core sampler for analysis. 6<br />

Figure 1.4. Bridging mechanism formed by calcium and phosphate ions 7<br />

during cane juice clarification (Bennett, 1975).<br />

Figure 1.5.<br />

Figure 1.6.<br />

Determination of extraneous matter in cane from a 400 kg load,<br />

11<br />

with removed non-cane on both sides and cleaned cane in the<br />

middle.<br />

Changes in fibre % cane, sucrose % cane and sucrose/fibre ratio<br />

13<br />

in cane from 1960-2004.<br />

Figure 1.7. Changes in Clerget purity of mixed juice and boiling house 15<br />

recovery (BHR) from 1960-2004.<br />

Figure 1.8.<br />

Changes in fibre % cane, sucrose % cane and sucrose/fibre ratio<br />

16<br />

in South African cane from 1960-2004.<br />

Figure 1.9. Changes in purity of South African mixed juice from 1960- 16<br />

2004.<br />

Figure 1.10.<br />

Changes in mill extraction and sucrose lost in bagasse % sucrose<br />

23<br />

in cane from 1960-2004.<br />

Figure 1.11. Changes in pol % bagasse from 1960-2004. 24<br />

Figure 1.12. Changes in sucrose lost in filter cake % sucrose in cane from 25<br />

1960-2004.<br />

Figure 1.13.<br />

Changes in Clerget purity of molasses and mass of molasses at<br />

26<br />

85° Brix % cane from 1960-2004.<br />

Figure 1.14. Changes in sucrose lost in molasses % sucrose in cane from 26<br />

1960-2004.<br />

Figure 2.1. Jeffco cutter-grinder. 32<br />

Figure 2.2. Cane chipper. 32<br />

Figure 2.3. Pinette Emidecau Press. 32<br />

Figure 2.4. Sugar refractometer. 32

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