Chemical Technology June 2016

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Contents

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REGULAR FEATURES 3 Comment by Carl Schonborn

19 Focus on petrochemicals

SEPARATION & FILTRATION 20 Food waste to value-added product − Struggles with a continuous distillation column In our consumerist society with its desire for perfect products, most consumers are generally not aware of the wastage they are causing by rejecting less than ‘perfect’ goods, such as broken chocolate bars. by Willie Coetzee, TerraServ, South Africa

31 SAIChE IChemE News

32 SAIChE IChemE Spotlight

32 Sudoku No 115 and solution to No 114

COVER STORY 4 FILTECH 2016 International Conference and Exhibition FILTECH is the largest and most important special interest event worldwide devoted entirely to filtration and separation technology. The event is a must for all those concerned with designing, improving, purchasing, selling or researching filtration and separation equipment and services. WASTE MANAGEMENT 6 The Draft Carbon Tax Bill – Part 3: Fugitive emissions and industrial emissions In November, 2015, the South African National Treasury published for comment the Draft Carbon Tax Bill. To enable engineers to better understand the Bill, its contents have been edited for brevity and examples included to introduce the structure of the Bill as a commentary. This is the last of a three-part series. by Carl Schonborn Pr Eng PETROCHEMICALS 14 Design guidelines for safety in piping networks Piping system failures are responsible for many catastrophic accidents in hydrocarbon processing plants. The best tool for preventing future accidents is to review past incidents and incorporate lessons learned into future design and operation of piping systems. by Karl Kolmetz and Mee Shee Tiong, both of the KLM Technology Group, and Stephen J Wallace, Wallace Consulting Services, USA 10 Focus on waste management

24 Focus on separation & filtration

NUCLEAR 26 The effects of atomic radiation

Transparency You Can See Average circulation (Q1 Jan – Mar 2016) 3 630

The United Nations Scientific Committee on the Effects of Atomic Radiation undertook a broad review of the sources and effects of ionising radiation. The sessions of the Committee were attended by representatives of the World Health Organization and the International Atomic Energy Agency.

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

30 Focus on nuclear

and the Southern African Association of Energy Efficiency

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

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Chemical Technology • June 2016

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