MechChem Africa November 2019

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Maintenance and asset management 8 M&C’s rewind of 36 MW compressor motor stator a huge success Marthinusen & Coutts’s solution to an irregularity that occurred in the stator of a large 36 MW compressor motor deployed at Sasol’s Secunda plant, has yielded the best ever test results. 9 Engine imports threaten SA’s economic sustainability 10 Atomic hydrogen, embrittlement and attack Materials handling 12 R100-million Supercenter investment sets up global centre of excellence Another R100-million investment in the FLSmidth Supercenter in Delmas, Mpumalanga, has set this South African facility up as the Group’s global centre of excellence for the manufacture and supply of vibrating equipment. 15 Weba Chute Systems eliminate material degradation Heating, cooling, ventilation and air conditioning 16 Introducing next generation mechanical vapour recompression TLT-Turbo GmbH has launched a new range of mechanical vapour recompression fans with ceramic hybrid bearings to provide a long operational lifespan. 17 Johnson Controls introduces plug-and-play controls system Water and wastewater processing 18 The KNeW Process: a profitable way of recovering salinated wastewater John Bewsey describes his KNeW (Potassium Nitrate exWaste) process,which relies on scalable ion exchange CSTR batteries with some value adding regeneration and post regeneration twists

P U B L I C A T I O N S CR O WN

Published monthly 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 Assistant editor: Phila Mzamo e-mail: philam@crown.co.za Advertising: Brenda Karathanasis e-mail: brendak@crown.co.za Design: Darryl James 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. U B L I C A T I O N S CR O WN P U B L I C A T I O N S CR O WN 2015/02/10 01:17:09PM Transparency You Can See Average circulation April-June 2019: 5 057 Printed by: Tandym Print, Cape Town Front cover: thyssenkrupp Industrial Solutions (South Africa) Contact: Kgothatso Ntsie +27 11 236-1128 kgothatso.ntsie@thyssenkrupp.com www.thyssenkrupp-industrial- solutions.co.za

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20 Technologies of the circular economy: Anaerobic digestion 22 Digitisation of water processes saves almost 40% in costs 23 eThekwini bulk sewer project completed 24 Public, private sector must collaborate in face of Joburg water crisis 25 Improving quality of groundwater for community of Stinkwater Innovative engineering 30 The carbon reuse economy as an enabler of low-carbon future

Regulars 2 Comment: Load shedding, downgrades, rugby and investment success 4 On the cover: Vision Zero reinforces Tier 1 EPCM status for tkIS thyssenkrupp Industrial Solutions SouthAfrica is once again celebrating one million LostTime Injury (LTI)-free hours. Quality, health and safety manager for tkIS SA, Christo de Beer talks to MechChem Africa about Vision Zero 6 SAIChE news: Mission Possible: net zero carbon emissions 26 Products and industry news 32 Backpage: Sasol Solar Challenge: innovation beyond boundaries

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November 2019 • MechChem Africa ¦ 1