Technical Calculations for Sugar Works a Contribution to the Chemical Control O
Technical Calculations for Sugar Works a Contribution to the Chemical Control O
Otto Mittelstaedt
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87, 200X23. 51 = 20, 500 kgs. Sugar. The second product contains 92. 6 per cent, sucrose, hence it follows that there wil be recovered 20, 500X92. 6 - - = ~i8, c, oo kgs. Sucrose in the form of second sugar. From 372, 300 kgs. Of 1st massecuite we obtain then 18, 900 kgs. Of sucrose in the second sugar. This corre- sponds to 372, 300:18, 900: : 100:^ = 5. 07 per cent. How can now be calculated the composition of the second syrup? The analysis of the Hd massecuite has given : 8 = 63. 4, NS = 24.... 54, W = 12. 0 per cent. ; deduct 8 = 21. 77, NS= 1. 03, W= 0. 7 per cent. that have passed in the 23. 51 parts of second sugar. Consequently, there is left in the syrup : 41. 69 S, 23. 51 NS, 11. 3 W (weight). Its composition will then be: 10 -(54-5 +30. 7) = 14-8% W. WORK OF A RAW-SUGAR FACTORY 87 Indirect calculation of the weight and composition of the 1st massecuite from the raw sugar and the lid massecuite: When working the massecuite according to modern methods it is mpossible to determine the quantity of the first massecuite by direct weighing.
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