www.chemengonline.com April 2020 Cover Story 28 Part 1 Principles of Agglomeration: Pelletizing Processes Pelletizing, a tumble-growth agglomeration process, offers many potential benefits to processors handling bulk-solid materials. This article provides an overview of how pelletizing works and the important elements that must be considered 35 Part 2 Improving Bulk-Solids Conveyor Maintenance Designing easier access to mechanical components in solids-conveying systems reduces maintenance costs and improves safety In the News 7 Chementator Conversion of plastic packaging to BTX and olefins is demonstrated; Progress toward lithium-sulfur batteries; Batteryless machine-health monitor enabled by low-power computer chips; Oxidative precipitation recovers nickel and cobalt from ore; This gold catalyst improves CO2 reduction; and more 28 12 Business News DOMO Chemicals to invest €12 million in new nylon plant in China; Ontario plant to expand production of malic acid; DSM to expand Indiana compounding plant; Yara to sell billion-dollar stake in QAFCO joint venture; Avantium sells its bio-aromatics portfolio; and more 14 Newsfront A Push for 'Green' Crackers Today's steam crackers are bigger than ever - those of tomorrow might be carbon-neutral 18 Newsfront Optimized Mixing Improved equipment and controls, and continuous mixing, increase efficiency Technical and Practical 26 Facts at your Fingertips Nuclear Magnetic Resonance Spectroscopy This one-page reference provides information on the principles underlying NMR spectroscopy and on applications for which it is used 27 Technology Profile Production of Neopentyl Glycol This column outlines a production process for the industrially important diol neopentyl glycol 42 Feature Report High-Purity Water Simplified There are a number of process technologies available to meet the strict standards for high-purity water in different industrial sectors CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM APRIL 2020 1 42 14 35 Volume 127 | no. 4http://www.chemengonline.com http://WWW.CHEMENGONLINE.COM