Chemical Technology August 2015

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REGULAR FEATURES 3 Comment by Carl Schonborn 29 SAIChE IChemE news 36 Et cetera/ Sudoku 108/Solution to Sudoku 107 COVER STORY 4 Indigenous biological resources and traditional knowledge – Regulating their use in the South African economy If you are in the business of conducting research or beneficiating and exploiting animals, plants, or micro-organisms which are indigenous to South Africa, whether they are traditionally used locally for any purpose whatsoever or not, or if you have been considering doing so, then you had better read this. PETROCHEMICALS 6 Centre-staging natural gas: International trends and their relevance for India What does the advent of shale gas as a ‘game-changer’ imply for natural gas markets, particularly the pricing of gas? The project team at TERI seeks to answer this question by specifically looking at understanding the movement of natural gas prices vis-à-vis oil prices. Since India’s reliance on natural gas imports is set to increase, the project will conduct an assessment of possible natural gas suppliers for India and the impact of changes in pricing regimes internationally. by Anomitro Chatterjee, previously a Research Associate at The Energy and Resources Institute (TERI), Delhi, India and Madhura Joshi, Associate Fellow, TERI

PUMPS & VALVES 18 Pump selection and application guidelines– Part 1 A standard set of considerations and best industry practices that Rotating Equipment Engineers apply in the selection of various types of pumps and their auxiliaries, are described.Typical services and limiting operating conditions of centrifugal and positive displacement pumps are included to aid in the selection process. by Neetin Ghaisas, ME, PEng, Director of Design Engineering and Rotating Equipment Group Leader at Fluor Canada, Calgary, Alberta, Canada DESIGN & MATERIALS OF CONSTRUCTION 30 LNG vaporisers selection based on site ambient conditions – Part 1 This article highlights the results of an LNG vaporisation screening study for regasification facilities located in warm and cold climate regions of the world. The objective is to provide a guideline in the selection of an LNG vaporisation design that is suitable for today’s terminals. 23 Focus on pumps & valves

Transparency You Can See Average circulation (Jan – March 2015) 3 700

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

by John Mak, Senior Fellow and Technical Director, Nick Amott, Curt Graham and Dhirav Patel, Fluor, USA

and the Southern African Association of Energy Efficiency

35 Focus on design & materials of construction

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

12 Focus on petrochemicals

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Chemical Technology • August 2015

http://www.chemicaltechnologymagazine.co.za/