47 Feature Report Gas Trapping Can Unsettle Distillation Columns Operational troubleshooting guidance is provided for several scenarios involving trapped, non-condensable gases in distillation towers Equipment and Services 26 Focus on Analyzers Measure every liquid's 'fingerprint' in real time; Color measurement moves from the lab to the process; This TDLS ammonia analyzer operates with a tablet; Multifunction analyzer for boiler water treatment; This gas analyzer has new digital communication abilities; and more 47 28 New Products Multi-diaphragm dosing pump is virtually maintenance-free; An efficient cleaning system for mixers; A polymer pelletizer for when capacities are high; A compact pressure gage system for emissions control; A cloud-based software service for monitoring waterworks; and more 26 Departments 4 Editor's Page Climate change and food security A new IPCC report stresses the urgency to act to mitigate predicted dire consequences of climate change. One of the threats is to global food security 64 Economic Indicators 28 Advertisers 56 Hot Products 57 Solids Processing Special Advertising Section 62 Classified Ads 62 Subscription and Sales Representative Information 63 Ad Index Chemical Connections Follow @ChemEngMag on Twitter Join the Chemical Engineering Magazine LinkedIn Group Visit us on www.chemengonline.com for more articles, Latest News, New Products, Webinars, Test your Knowledge Quizzes, Bookshelf and more For content related to COVID-19 and the CPI, visit www.chemengonline.com/covid-19/ Coming in May Look for: Feature Reports on Steam; and Process Sensors; A Focus on Solids-Handling Equipment; A Facts at your Fingertips on Gas Separation; a Newsfront on Petroleum Refining; New Products; and much more Cover design: Tara Bekman 2 CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM APRIL 2022https://twitter.com/ChemEngMag https://www.linkedin.com/groups/3880479/ http://www.chemengonline.com http://www.chemengonline.com/covid-19/ http://WWW.CHEMENGONLINE.COM