The advantages of a seeding system from BMA
Since 2014, BMA have been working very closely with Grupo CASSA from El Salvador. Our common goal is to improve energy efficiency and sugar output of their Izalco and Chaparrastique cane sugar factories.
The standard seeding method…
It is common practice in sugar cane factories to use slurry as seed for the crystallisers and pan boiling as the process. Often this results in secondary nucleation and the formation of ne crystals and agglomerates.
The seeding system from BMA is different in this respect. Its process comprises two steps: first, the crystals grow in a separate cooling crystalliser, which results in more even growth. Then they can grow to the desired size in the vacuum pan.
… and the advantages of the BMA method
The seeding system from BMA is designed for refinery products and A-product sugar. Its benefits include, firstly, better sugar quality thanks to the even size and appearance of the crystals, which produces a better CV. Secondly, an improvement in the colour of the sugar and better separation in the centrifugals, where less wash water is needed because of the reduced formation of ne crystals. An additional bene t is the reduced boiling time, which offers a potential increase in throughput, because of the larger size of the crystals fed into the vacuum pan, ranging from 100 to 120 μ instead of approx. 10 μ.
The entire BMA seeding system is fully automated and controlled using BMA’s outstanding knowledge of this process stage. Investment costs for the plant are low, in relation to the benefits it can achieve in cane sugar factories or refineries.
This “tachito” is already the second installation of a BMA seeding system in Latin America.
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