September 2017 www.chemengonline.com 09 Water and Wastewater Management Vacuum System Design Temperature Sensors Pumps Drones Enter the CPI Space page 30 Spill Containment Facts at Your Fingertips: Heat Transfer Focus on Feeding and Weighing DRONES * WATER AND WASTEWATER * PUMPS VOL. 124 NO. 9 SEPTEMBER 2017http://www.chemengonline.com