WEF Highlights

Researchers investigated the unbiodegradable fraction of particulate chemical oxygen demand (PCOD) in thickened waste activated sludge (TWAS). They used semi-continuous completely-mixed anaerobic digesters for the study. A laboratory-scale system was operated at detention times ranging from 16.7 to 33.3 days with organic loading rates between 1.21 and 3.47 kg/L m3. The article, “Estimation of the […]

Hear insights from water-sector leaders with the Water Environment Federation (WEF; Alexandria, Va.) “Words on Water” podcast series. Stream online podcast episodes and download audio files on iTunes and the Android Words on Water app. In recent episodes: Manon Fisher, San Francisco Public Utility Commission (SFPUC) resource recovery specialist, explains the role biosolids have in […]

John Seldon, Founder of Temporary Operations and Maintenance Inc. John Seldon, a Water Environment Federation (WEF; Alexandria, Va.) member since 1980, is founder and president of Temporary Operations and Maintenance Inc. (Port Burwell, Ontario, Canada). During his career, Seldon has focused on optimizing municipal and industrial solids collection and dewatering systems. Since entering the wastewater […]

To his students, colleagues, and community, Marquette University (Milwaukee) environmental engineering professor Daniel Zitomer has been a fixture of the Wisconsin water environment profession for more than two decades. Zitomer, a member of the Water Environment Federation (WEF; Alexandria, Va.) and the Central States Water Environment Association (CSWEA) for nearly 30 consecutive years, was named […]

Key information about anaerobic digestion now is available in a new 6-page, open-access fact sheet prepared by the Fundamental Outreach Subcommittee of the Water Environment Federation (WEF; Alexandria, Va.) Municipal Resource Recovery Design Committee. “Anaerobic Digestion Fundamentals” provides an overview of anaerobic digestion; covers the topics of process, design, and operation and maintenance; and describes […]

Learn and network with other water sector professionals during the Residual and Biosolids Conference 2017. The Water Environment Federation (Alexandria, Va.) is hosting this conference in cooperation with the Pacific Northwest Clean Water Association and Northwest Biosolids (Seattle). The educational event presents the latest in solids management, featuring the topics of facilities operation, anaerobic digestion […]

As part of a project supported by water and energy organizations including the Water Environment Federation (WEF; Alexandria, Va.), the California Energy Commission will grant $2 million to Silicon Valley Clean Water (SVCW; Redwood City, Calif.) and Stanford (Calif.) University to demonstrate the potential benefits of a staged anaerobic fluidized-bed membrane bioreactor, also called “SAFE” […]

Martha Hahn, authority manager of the Plum Creek Water Reclamation Authority (PCWRA; Castle Rock, Colo.) and WEFTEC® 2015 speaker, died Oct. 1. A member of the Water Environment Federation (WEF; Alexandria, Va.) and Rocky Mountain Water Environment Association since 2007, she entered the water sector in 2002 and quickly made a name for herself as […]