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Over the past 10 years, South Africa's Sugar Milling Research Institute (SMRI) has developed a number of instruments for making process measurements in factories. In most cases, the instruments were developed because commercial instruments were unavailable or unsuitable for use in the harsh environment of sugar factories. Equipment developed by the SMRI include instruments for torque measurement, conductivity tracer testing, volumetric measurement on a conveyor, measurement of total suspended solids in a mud mixer, measurement of mud consistency from a clarifier, evaporator scaling, Preparation Index, mill lift, juice clarity, clarifier mud level and pressure in pressure feeder chutes. A brief description of each instrument or method, and some application examples, are given. From authors' summary. In Proceedings South African Sugar Technologists' Association, no. 73, p. 277-281
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