MechChem Africa May-June 2022

⎪ Maintenance and asset management ⎪

A new benchmark for filtration Pratley Marketing Director Eldon Kruger, talks about the new company’s Percolite ® filter aid, a new benchmark for a host of food-grade and industrial fluids. T he fundamental problem posed by traditional filtration is how to maximise clarity andflowrate, which are two desirable yet conflicting observe lower pressure differentials across their filter cake, ultimately translating to higher production outputs. Percolite ® den sities are also in the region of 50% less than Diatomaceous earth. The cost-saving when converting to Percolite ® is therefore significant.

parameters. Percolite ® filter aid fromPratley achieves just that, says Pratley Marketing Director Eldon Kruger. “The accurate size classification and the unique structure of Percolite ® filter aid leads toone of the highest flow-rate to clarity ratios possible,” he says. Percolite ® is a natural product, which means no taste, colours or odours are trans ferred to the filtered product. Due to its low density, Percolite ® has a high flow rate com bined with exceptional clarity. Percolite ® can be used with oils, wine, fruit juices, pharma ceuticals, chemicals and industrial filtration applications. “From experience, current filtration me diums can easily be switched to Percolite ® without impact on the performance of the process,” says Kruger. This is particularly true for customers converting fromDiatomaceous earth filter aids to Percolite ® . Apart from the health hazards and high prices associated with Diatomaceous earth, customers who have converted to Percolite ®

Pratley has a state-of-the-art filter aid production facility that is among the most advanced on the African continent, where proprietary technology is used to processe Perlite rawmaterial toproduce thehigh-qual ityfilter aidusing an ISO9001-2015-certified manufacturing process. Percolite ® meets the standards listed in the food chemicals codex publishedby theUS National Academy of Sciences and is a Halaal certified product. Pratley is also a member of the International Perlite Institute. An advanced R&D laboratory supervises the quality control of the final product and ensures stringent quality control. It also allows Pratley to thoroughly analyse cus tomer liquids to recommend themost suitable Percolite ® grade for the job. Grades canbemanufacturedand tested to meet customer requirements and Percolite ®

Pratley’s Percolite ® filter aid is ideal for use in brewing applications.

applies to almost any industry requiring fine liquid/solid separation. Pratley has supply depots located in Gauteng, Cape Town, Durban and Port Elizabethoffering countrywide sales and sup port. Theproduct is professionallypackedand supplied in food-safe packaging. www.pratleyminerals.com