A MILLING REVIEW
This review deals with equipment, operation and performance of mills in a tandem or as dewatering units as presently found in the South African sugarindustry. With milling tandems gradually being replaced by diffusers the emphasis will be particularly on the last mill. On the equipment side items that are considered are the number of mills, mill rolls, roll grooving, feeding devices, trash plates and mill drives. On the operation side they are the mill settings, hydraulic loading, mill speed, arcing and control that are investigated. The most common performanceindicators for the extraction plant as a whole are extraction and bagasse moisture with little or no indicators for individual mills. Some performance parameters for these mills are suggested.
MILL SETTINGS AND EXTRACTION By
Variouswaysof calculating mill settings are discussed. In particular the Natal and Australian methods are dealt with in more detail. Based on the mill settings an extraction model for a milling tandem is presented. This model takes into account a separation efficiency, reabsorption coefficient and imbibition efficiency, each of whichis described. The model is tested against real factory data.
The politics of affect and emotion in contemporary Latin American cinema : Argentina, Brazil, Cuba, and Mexico
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