Chemical Technology June 2015

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Contents

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REGULAR FEATURES 3 Comment

SEPARATION & FILTRATION 20 Hybrid flotation-filtration process for oil water separation based on ceramic membranes

by Geoff Maitland, IChemE Past President, 2014-2015

Microflotation and membrane filtration are two commonly used technologies in many fields of application. This article discusses how the two technologies were integrated and modified on a lab scale using new novel ceramic materials to technically assess their joined applicability for removing oil from water or water from oil. by Dr-Ing M Beery, Dipl-Ing, J Ludwig, Dipl-Ing, L León, all of akvolution GmbH, Berlin, Germany

36 Et cetera/ Sudoku 106/Solution to Sudoku 105

COVER STORY 4 ThyssenKrupp joint venture streamlines units to create a more efficient global organisation ‘ChemTech’ recently visited the Sunninghill offices of Thyssen- Krupp Industrial Solutions to talk with Bruce Bassett, General Manager: Special Projects and Vishal Harichund, General Manager: Business Development and Sales, about the changes that have been taking place within the ThyssenKrupp Group, in particular, two developments that especially involve the South African organisation. WASTE MANAGEMENT 6 REDISA – the recycling of waste tyres in South Africa – an overview The recycling of used tyres in South Africa was for many years a noble outcome with many promoters and detractors until the Government finally approved the Recycling and Economic Development Initiative of South Africa (REDISA),in July 2012.

24 Focus on separation & filtration

Transparency You Can See Average circulation (Oct – Dec 2014) Paid: 17

SUPPLY CHAIN MANAGEMENT 26 Exploring the challenges associated with the greening of supply chains in the South African manganese and phosphate mining industry

Free: 3 687 Total: 3 704

Chemical Technology is endorsed by The South African Institution of Chemical Engineers

This article explores the challenges related to the implementation of GrSCM and provides insight into how it can be implemented in the South African manganese and phosphate industry. by Professor David Pooe, Associate Professor, Department of Business Management , University of Johannesburg and Khomotso Mhelembe, Category Specialist, Airports Company South Africa

10 Focus on waste management

32 Focus on supply chain management

PETROCHEMICALS 14 Design and construction of natural gas pipelines In a previous article “Shale gas – Its preparation and transmission” the requirement to prepare shale gas for

and the Southern African Association of Energy Efficiency

transmission was discussed. This article summarises the broad principles of constructing a natural gas pipeline from conceptual design through to construction and commissioning for any natural gas. by Carl Schonborn, PrEng

DISCLAIMER The views expressed in this journal are not neces- sarily those of the editor or the publisher. Generic images courtesy of www.shutterstock.com

18 Focus on petrochemicals

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