MechChem Africa November-December 2022

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CONTENTS Water, wastewater and pumping solutions 6

Geotextile dewatering bags: the emergency solution for dewatering and solid waste management MechChem Africa talks to ZebraTube sales engineer, Tshepang Dolamo, about the use of geotextile dewatering tubes and bags to prevent sewage and mine-impacted wastewater contaminating freshwater ecosystems. 9 Weir Minerals’ pumps never stop evolving 10 Partnering with authorised agents for water treatment 11 Ceramic ball valves for improved longevity 12 Accredited local support underpins Grindex pumps in Zambia 13 IPR boosts fleet ahead of rainy season Power transmission, bearings, bushes and seals 14 SKF SA’s Centre of Excellence for the Circular Economy SKF South Africa has rebranded its Solutions Factory to enable the local facility to better embrace the circular economy across its product and service offering. MechChemAfrica talks to Sustainability manager, Sarel Froneman. 16 Segmented girth gears for scrubber upgrade 17 Local manufacturer perfects its cone crusher performance 18 BI celebrates its 65 th anniversary 19 Heavy duty drive solutions for the mining industry Minerals processing and materials handling 20 FLSmidth drives MissionZero at Electra MiningAfrica Alistair McKay talks about new FLSmidth technologies and how they can leverage production and environmental performance to allowprocess plants to do more with less. 21 Weba’s order book grows as mining industry revives 22 Multotec displays talent and innovation at Electra 23 TRIO ® pan feeder boosts OMV’S output Hydraulic, pneumatic and compressed air solutions 24 Automated palletising system for Danone SA Bosch Rexroth SouthAfrica Group Company, TectraAutomation, has delivered on a contract for Danone in Boksburg for a turnkey solution to simplify and improve the reliability of the dairy producer’s palletising process. 28 Packaging, a sustainable society and temperature controllers PowerGen, PetroChem and sustainable energy management 30 ZestWEG’s expanding E-House manufacturing capability MechChemAfrica visits ZestWEG’s E-Housemanufacturing facility in Heidelberg, SouthAfrica, and talks to PPCManager, RuvernMoodley, and Facility Supervisor,Arno Broodryk, about the expansion of their capability. 32 Cummins’ innovations in hydrogen production and energy storage Environmental management, waste and cleaning technologies 34 High standards of waste management inAngola’s oil sector Bruce Engelsman, principal engineer at SRK Consulting, talks about the company’s waste management work inAngola’s oil and gas sector. 35 Diverting waste from landfill with on-site solutions Special Report 36 SAISC Steel Awards 2022: innovation, ingenuity and community The SouthernAfrican Institute for Steel Construction (SAISC) recently hosted the 2022 SteelAwards under the ‘green shoots’ theme in acknowl edgement of the importance of continuing to navigate through troubled times. Innovative engineering 42 Award winning social innovation, sustainability and renewable energy projects On the RS Components stand at Electra Mining this year, a student engineer from UCT, Kai Goodall, showcased a series of innovative, socially responsible and award-winning RS-Sponsored student projects. MechChemAfrica takes a look. Regulars 2 Peter’s comment: COP27: SA’s plan for a just energy transition 4 On the cover: NCPC-SA celebrates 20 years of resource efficiency implementation 26 ABB unveils future of process automation 27 Zutari and 4Sight to create smart buildings

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 Design: Katlego Montsho Publisher: Karen Grant Deputy publisher: Wilhelm du Plessis Circulation: Brenda Grossmann The views expressed in this journal are not necessarily those of the publisher or the editors. e-mail: peterm@crown.co.za Advertising: Elmarie Stonell e-mail: elmaries@crown.co.za

Transparency You Can See Average circulation Apr to Jun 2022: 9 176 Printed by: Tandym Print, Cape Town

Front cover: National Cleaner ProductionCentre, SouthAfrica

Contact: Julie Wells Tel: +27 12 841 2424

jwells@csir.co.za www.ncpc.co.za

38 Products and industry news 44 Back page: Green zinc refining

November-December 2022 • MechChem Africa ¦ 1