MechChem Africa March-April 2024

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Water, wastewater and pumping solutions 6 Meeting 2030 energy-efficiency targets by optimising pumping systems Harry Rosen of TAS Online argues that as far as energy efficiency is concerned, key pledges from the recent COP28 in Abu Dhabi can be achieved comfortably by paying closer attention to our pumps and pumping systems. 10 AECOM top 500 design firms for dams and reservoirs 11 Affordable preventative maintenance for water infrastructure Power transmission, bearings, bushes and seals 12 Bearings 2000 contributes to the circular economy Lourens Pretorius of SKF talks about the contribution that Authorised SKF Distributor, Bearings 2000 is making to the circular economy using SKF’s Bearing Remanufacturing services in Jet Park, Gauteng. 13 Automating precision tasks Minerals processing and materials handling 14 Safe, smart and sustainable mining Following the 2024 Mining Indaba, MS Prakash, Emerson’s vice president for the African region, spoke to MechChem Africa about championing safe, smart and sustainable change in the mining sector and the innovations making this possible. 16 Cavex ® hydrocyclone for West Africa 19 Twin tilt-down flexible screw mobile conveyor 20 ROMPCO highlights its sustainability efforts on World Engineering Day 21 TAKRAF secures major iron ore project in Mauritania Hydraulics, pneumatics and automation solutions 22 Specialty rentals for air, power, flow and temperature MechChem Africa talks to Henry Fourie of Rand Air about the transformative evolution of the rental landscape in sub-Saharan Africa, highlighting the company’s extended rental offering for air, power, flow and temperature. 24 Hydraulic solutions for solar thermal power plants PowerGen, PetroChem and sustainable energy management 26 Sustainable solar solutions for dairy farming In the lush landscape of Creighton Valley in KwaZulu-Natal (KZN), a transformative journey to renewable energy is underway for dairy farm ers and cheese producers, who are turning to solar power from SolarSaver to reduce their electricity costs and ensure a stable power supply. 27 Understanding standby, prime and continuous gensets 28 Energy waste and power quality management 31 Biomass optimisation in the timber sector Environmental management, waste and cleaning technologies 32 Waste management strategies and ESG Leon Brink, the Waste Management compliance manager for Enviroserv, presents the positive arguments for embedding ESG practices into waste management. 33 Sustainable ESG compliance strategies in SA Innovative engineering 38 CSIR safety innovations presented at Mining Indaba Riaan Bergh of the CSIR talks to MechChem Africa about some of the innovative mine safety solutions presented at the Investing in African Mining Indaba in Cape Town. Regulars 2 Peter’s comment: Bell Equipment: from SA to the world 4 On the cover: Best fit pressure measurement options from VEGA Instruments SA. 34 Products and industry news 40 Back page: Enabling energy access for clean cooking

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: 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.

Transparency You Can See Average circulation Oct to Dec 2023: 10 846 Printed by: Tandym Print, Cape Town

Front cover: VEGA Instruments SA Contact: Miguel Petersen Tel: +27 11 795 3249 Email: info.za@vega.com Web: www.vega.com

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