MechChem Africa January-February 2025

17

06

30

40

Minerals processing and materials handling 6 SRP expands and localises screen media supply

MCA visits the Johannesburg facilities of Sandvik Rock Processing and talks to Riaan Steinmann and Phumi Motsamai about the company’s expanding local operation, which offers local customers a more agile and resilient service. 9 Gearless mill drives and CO 2 emissions

10 CHIETA honours for collaboration, innovation and impact 11 Mobile drum dumper for use in hazardous locations PowerGen, PetroChem and sustainable energy management 12 Boiler water treatment to ensure effective heat transfer 15 Renewable energy for Lebalelo’s water infrastructure 16 Innovative financing models driving solar transition 17 Supercapacitors and containerised energy solutions Water, wastewater and pumping solutions 18 Water hammer analysis for complex piping systems

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.

Chris Paterson and Ray Lund ofAssociated Energy Services (AES) present the case for paying more attention to boiler water. 14 Allmech celebrates 30 years

Ben Keyser from Applied Flow Technologies (AFT) talks about water hammer in complex piping systems and describes how AFT Impulse surge analysis software can be used to minimise its impact.

21 Custom solutions for unplanned mine dewatering 22 Godwin HL150 for open pit mine dewatering 23 KSB ready to support hydrogen economy Hydraulics, pneumatics and automation systems 24 ECO2 design prioritises ecology, economy

Through environmentally friendly manufacturing, SEW-EURODRIVE’s ECO2 drive unit designs are free of coatings and make responsible use of raw materials, while ensuring no compromise in their performance. 25 State-of-the-art geared motor assembly centre opens in Johannesburg 27 Transforming utilities with AI Maintenance solutions and asset management 28 Fluid technology and filtration services BMG’s Susan Victor talks about the importance of adopting effective filtration to ensure dependable performance, while Taylor Black highlights the key features of a bespoke BMG lubrication and filtration solution for a ball mill’s journal and pinion bearings.

Transparency You Can See Average circulation Apr to Jun 2024: 10 721 Printed by: Tandym Print, Cape Town

30 SEW-EURODRIVE to open new service and repair centre 31 WearCheck launches advanced thermography course Localisation, local manufacturing and food processing 32 Bühler: localising world class processing

Front cover: VEGA Instruments SA Contact: Miguel Petersen Tel: +27 11 795 3249

MCA takes a tour of the manufacturing facilities of Bühler Southern Africa in Honeydew, Johannesburg, and talks to the company’s MD, Marco Sutter. 34 ACTOM’s local MV-switchgear solution Innovative engineering 38 ABB showcases pulp and paper industry progress As part of its global Real Progress sustainability programme, ABB is launching a series of sustainability-focused white papers to give customers technology insights and perspectives into the processing industries.This article introduces the first of three papers covering the pulp and paper industry. Regulars 2 Peter’s comment: Coal and the path to sustainability 4 On the cover: Mining with precision: VEGA’s instruments deliver: How plant operators are using VEGA’s level, pressure and density instruments. 36 Products and industry news 40 Back page: SSAB enters fossil-free steel collaboration

Email: info.za@vega.com Website: www.vega.com

January-February 2025 • MechChem Africa ¦ 1