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Four Massecuite Boiling System By Muhammad Usman (Management Trainee Engineer) Production Department Shakarganj Mills Limited, Bhone 2

Contents Sugar Losses Sugar Quality Sugar Boiling Different Massecuite Boiling System Practical Case Study Three Massecuite Boiling Practical Case Study Four Massecuite Boiling Graphical Representation of Results Outcomes of Four Massecuite Boiling Executive Summary Sugar Losses Sugar Quality 3

To Produce & Develop Sugar Crystals Sugar Boiling To Produce & Develop Sugar Crystals Or De – Sugaring of Syrup 4

Massecuite Boiling System Syrup --------------- Sugar + Final Molasses (78 – 80) (30 – 32) 2 – Massecuite System A & C – Massecuite Formation (Syrup < 74) 3 – Massecuite System A, B & C – Massecuite Formation (Syrup > 74) 5

Massecuite Boiling System Higher Juice Purity Higher Final Molasses Purity Higher Sugar Losses 4 – Massecuite System A1, A, B & C – Massecuite Formation (Syrup > 78) 6

Practical Case Study at SML Bhone Three (03) Massecuite Boiling System October – November – December Material Purity Molasses Difference   Clear Juice 76.02 Syrup 76.34 A - Massecuite 82.70 A - Heavy 64.79  17.91 B - Massecuite 70.36 B - Heavy 49.08  21.27 C - Massecuite 53.09 Final Molasses 33.03 20.06 Purity Drop: 43.31 7

Three Massecuite Boiling Scheme Syrup (78 – 80) A – Massecuite (80 – 82) Three Massecuite Boiling Scheme A – Heavy (64 – 66) A – Sugar (97 – 98) B – Massecuite (67 – 70) A - Remelter To Refinery B – Sugar (95 – 96) B – Heavy (45 – 48) C – Massecuite (47 – 50) Slurry C – Sugar (77 – 80) F. M. (30 – 32) To Distillery C – Seed (91 – 92) C – Light (62 – 64) 8

Practical Case Study at SML Bhone Four (04) Massecuite Boiling System January – February – March Material Purity Molasses Difference   Clear Juice 81.20 Syrup 81.75 A1 - Massecuite 92.30 A - Light 82.20 10.10 A - Massecuite 82.66 A - Heavy 64.42 18.24 B - Massecuite 69.36 B - Heavy 47.10 22.26 C - Massecuite 51.29 Final Molasses 32.64 18.47 Purity Drop: 49.11 9

Four Massecuite Boiling Scheme Syrup (78 – 80) C – Seed Melt (90 – 92) B – Seed (95 – 96) ROR (92 – 93) A – Massecuite (80 – 82) A1 – Massecuite (92 – 93) A – Heavy (64 – 66) A – Sugar (97 – 98) A1 – Sugar (97 – 98) A – Light (80 – 82) B – Massecuite (67 – 70) A - Remelter To Refinery B – Sugar (95 – 96) B – Heavy (45 – 48) C – Massecuite (47 – 50) Slurry Four Massecuite Boiling Scheme C – Sugar (77 – 80) F. M. (30 – 32) To Distillery C – Seed (91 – 92) C – Light (62 – 64) 10

Graphical Representation 11

Graphical Representation 12

Outcomes of Four Massecuite Boiling Overall Purity Control of Massecuite & Molasses Higher Purity Drop from Massecuite to Molasses 05 – 06° Purity Drop of Final Molasses Reduced Sugar Losses in Molasses Best Sugar Quality due to Less Molasses Recirculation at Refinery 13

Three Massecuite Boiling System Four Massecuite Boiling System Executive Summary Three Massecuite Boiling System Four Massecuite Boiling System Efficiency of Boiling House Increases from 84.45 % to 88.78 % 14

Three Massecuite Boiling System Four Massecuite Boiling System Executive Summary Three Massecuite Boiling System Four Massecuite Boiling System Quality of Sugar Increases R₁ : 30, R₂: 37, R₃:48 R₁ : 25, R₂: 35, R₃:44 15

Thanks 16