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The System Assessment


Vacuum and blower systems are commonplace in food manufacturing facilities. Bakeries, flour mills,


This guide explains three blower technologies and,using examples from actual wastewater plants,


Swiss brush company Ebnat-Kappel uses non contact transfer technology from Bosch Rexroth to


The 2016 Powder & Bulk Solids Conference & Exhibition was held May 3-5 at the Donald E.


Two years ago, sales were picking up and we began operating six extrusion lines on most days. We


Multiple vacuum pumps can be running mostly “dead-headed” in the many production


When the Environmental Protection Agency was formed, in1970, it used its congressional mandate to


This article will examine in detail four of the five acceptable WAGD implementations under NFPA 99


AISTech 2016, steel's premier annual technology event, returned to Pittsburgh May 16-19 at the


Most printing facilities use vacuum for one process or another.  I recently spoke with Jesse
Blower & Vacuum Best Practices Magazine interviewed Julia Gass, P.E and Patrick Dunlap, P.E. at the Black & Veatch offices in Kansas City during the summer of 2016. Ms. Gass is responsible for aeration blower specifications while Mr. Dunlap is a wastewater process engineer. We held a general discussion covering technologies impacting aeration blowers in wastewater treatment plants.
Bird Island Wastewater Treatment Plant (WWTP) in Buffalo, N.Y., had an inefficient aeration control system that, ironically, had been installed in 1998 as an efficiency upgrade. The operating principle was that air flow to all 32 of the plant’s aeration basins, or zones, would be properly controlled by an average of several Dissolved Oxygen (DO) level measurements taken by DO probes in a few of the basins. However, changes in tank loadings and physical dynamics, along with differences in oxygen transfer rates between diffuser grids, prevented a uniform air flow in the aeration zones.
AISTech 2016, steel's premier annual technology event, returned to Pittsburgh May 16-19 at the David L. Lawrence Convention Center. For the first time ever the exposition spanned two levels of the convention center making it the largest yet with a total of 542 exhibiting companies. The total attendance of 7,764 was the third highest in AISTech history.