MechChem Africa May-June 2022

⎪ Minerals processing and materials handling ⎪

plant operation – where it can feed any type of online analyser. It can also be readily transported and commissioned, with flexibility for expansion where necessary. Layout options are available for plants which have primary and secondary sampling with sub sequent containerised sample preparation stations, as wel l as for those with primary sam pling only and separate second ary sampling preparation. The RAMA™ system allows analys ers, for the first time, to be fed with representative samples taken from the production flow stream. The innovative combi nation of existing equipment with a proven track record into a modular, containerised solution will bridge the gap between metallurgical ac counting accuracy and accurate process control. “The advantages of this novel, global best practices sampling combination in pro cess control applications will unlock value in terms of both analyser calibration as well as optimal, dynamic process performance,” Slabbert concludes. www.mul totec.com

says Slabbert. “This reduces the grade or quality variability per flow stream, and gives the plant manager a more represen tative monitoring of minimum and maxi mum process conditions – with precise values.”

The problem with ‘snapshot’ sampling of process control sam plers is that stream properties can fluctuate before and after the analysis. This fluctuation is therefore not captured in the results. By contrast, the RAMA™ system’s composite sample ac counts for all process variations over the analysis period. Slabbert reiterates that sam ple analysis results are only as good as the sample presented for analysis, pointing out that this applies as much to online analys ers for process control as it does

to conventional laboratory analysis for metallurgical accounting. “RAMA™ is also a cost saving solution, as separate process control samplers are no longer required,” he says. “The sampler’s purpose in our system is doubled up for both metal accounting and for process control – without the need for any compromise.” Configured in a con tainerised and modular design, RAMA™ is a

Multotec’s RAMA™ system is a cost-saving solution since separate control samplers are no longer required.

compact and mobile system. This allows for easy installation and retrofitting into any

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