MechChem Africa May-June 2025

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CONTENTS 12

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MINERALS PROCESSING AND MATERIALS HANDLING 6

The evolving landscape of tailings storage facilities Lili Nupen of NSDV Law talks about the regulatory reforms driving the view that tailings storage facilities (TSFs) are valuable resources demanding careful stewardship. 9 ABB to deliver world’s largest mine hoist 10 Pioneering Tru-Trac intelligent belt scale

Published bimonthly by Crown Publications (Pty) Ltd Cnr Theunis and Sovereign Streets Bedford Gardens 2007 PO Box 140, Bedfordview, 2008 Tel: +27 11 622 4770 e-mail: mechchemafrica@crown.co.za www.mechchemafricamagazine.co.za Editor: Peter Middleton e-mail: peterm@crown.co.za Advertising: Elmarie Stonell e-mail: mechchemafrica@crown.co.za Design: Katlego Montsho Publisher: Wilhelm du Plessis Circulation: Brenda Grossmann The views expressed in this journal are not necessarily those of the publisher or the editors.

11 Mill liners designed with 3D scanning technology and DEM POWERGEN, PETROCHEM AND SUSTAINABLE ENERGY MANAGEMENT 12 MEPS regulation and the motor-efficiency revolution

WEG Africa’s Rodrigo Cetenareski outlines the reasons and benefits for the mandatory change to the IE3 motor efficiency standard. 14 Boiler selection for optimal thermal energy performance 15 SPS solar project first for Darling Estate 17 From steam to scrap – the effects of poor boiler maintenance WATER, WASTEWATER AND PUMPING SOLUTIONS 18 Collaborative effort to improve Buffalo City water A comprehensive pre-feasibility study is underway to enhance the water supply system for the residents of Buffalo City in the Eastern Cape, spearheaded by the Municipality, the German Federal Ministry for the Environment and local engineering firm, GIBB. 20 The water supply battle in SA’s cities

21 Dry prime pumps chosen for gas project vessel 23 Preparing pump systems for adverse conditions HYDRAULICS, PNEUMATICS AND AUTOMATION SYSTEMS 24 Electromagnetic stirrer enhances EAF efficiency in Türkiye

An ABB ArcSave ® electromagnetic stirrer will be integrated into the world’s largest electric arc furnace (EAF) in Turkey. 25 PACE Compressors for agriculture

MAINTENANCE SOLUTIONS AND ASSET MANAGEMENT 26 Chempute adds Cenosco IMS suite to portfolio

Transparency You Can See Average circulation Jan to Mar 2025: 10 636 Printed by: Tandym Print, Cape Town

MCA talks to Omar Rugebani from Cenosco, and Andrew Taylor, MD of Chempute, about Cenosco IMS, an innovative asset integrity management system purpose-built to support high-risk plants. 28 Revolutionary microfine filtration extends equipment life 29 Galvanizers association steels SOEs for the future HEATING, COOLING AND VENTILATION 30 Mine ventilation and cooling: efficiency vs health and safety BBE Group CEO,Wynand Marx, talks about modern mine ventilation and cooling solutions and the balance between energy efficiency and health and safety. 31 HVAC performance and equipment uptime LOCAL MANUFACTURING AND FOOD PROCESSING 32 Malben Engineering: over fifty years of manufacturing excellence Customer- and people-centric is how operational director Luca Smargiasso describes automotive component manufacturer, Malben Engineering, which is celebrating its 50 th anniversary this year. INNOVATIVE ENGINEERING 38 Converting forestry CO 2 emissions into green plastics VTT Technical research centre of Finland and LUT University have completed a research project on carbon capture and utilisa tion, which investigated producing raw materials for renewable plastic from CO 2 and green hydrogen. REGULARS 2 Peter’s comment: Mitigating our uncertain future 4 On the cover: Modular industrial drives for mixing and agitating: Johan Stoltz of BMG unpacks Nord modular drives for mixing and agitating applications. 32 Products and industry news 40 Back page: A space programme that never leaves Earth

Front cover: BMG Contact: Johan Stoltz, specialist for Nord drives Tel: +27 11 620 1558

Email: johans@bmgworld.net Website: www.bmgworld.net

May-June 2025 • MechChem Africa ¦ 1