July/August 2019

WEFTEC 2019 to showcase water quality research and technology

Aug. 12, 2019

The Water Environment Federation’s Technical Exhibition and Conference (WEFTEC) 92nd annual event on Sept. 21–25 will be at McCormick Place in Chicago.

Eaton’s Enclosed PowerXL DG1s installed in a remote pumping application. All images courtesy of Eaton

Process Water

Using variable frequency drives to control HVAC/R applications

Seth O'Brien

July 29, 2019

Variable frequency drives installed on variable torque motors can reduce energy costs, increase efficiency and improve system reliability.

Biogas digester at North State Rendering. All images courtesy of Landia

Industry

Mixers help anaerobic digestion facilities increase biogas yields

Christopher French

July 22, 2019

Two case studies present performance results of externally mounted mixing systems installed at anaerobic digestion plants in California.

In a Separate and Skim Tank, a tube is drawn continuously across the water and floats on the surface, collecting only fats, oils and grease. The tube is scraped off by the skimmer and the clean tube returns to the surface to collect more FOG. All images courtesy of Oil Skimmers, Inc.

Food & Beverage

FOG removal from wash water and wastewater in industrial facilities

Guy Flynn

July 15, 2019

An oil-water separator combined with an integrated tube-type oil skimmer can continually remove oil for the food and beverage industry.

Installed Tricanters. All images courtesy of Flottweg Separation Technology

Food & Beverage

Centrifuge system streamlines wastewater treatment at packaged meat facility

Daniel Lakovic

July 8, 2019

A three-phase separation system can separate solids from liquids, as well as fats, oils and grease from wastewater in food and beverage facilities.