Tag Archives: Anaerobic Digestion

Anaerobic Digestion Covered in WEF Fact Sheet

April 22, 2017

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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 […]

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Residuals and Biosolids Conference Shares the Latest in Solids Management

February 10, 2017

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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 […]

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California Energy Commission Awards $2 Million To Demonstrate Water Recovery and Energy Savings

September 21, 2016

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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” […]

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In Memoriam – Martha Hahn, Colorado Authority Manager and Researcher

November 24, 2015

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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 […]

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Grand Junction Powers City Vehicles With Digester Gas

August 13, 2015

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Rather than flaring methane, digester gas at the Persigo facility enters conditioning equipment, which removes hydrogen sulfide, siloxanes, and carbon dioxide and then compresses the gas. Photo courtesy of City of Grand Junction, Colo.

In what is thought to be the largest projects of its kind in the U.S., the City of Grand Junction, Colo., began using biogas from its water resource recovery facility to fuel 38 city-owned vehicles. As part of a $2.8-million project completed in April, the city began conditioning and compressing digester gas to improve its […]

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Biological Nutrient Removal Featured in Most Attended Technical Session at WEFTEC 2014

April 29, 2015

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The City of Kelowna, British Columbia installed the world’s first fermenter at the Kelowna Wastewater Treatment Facility. Photo courtesy of Gerry Stevens and the City of Kelowna.

James L. Barnard shares his summary of the session   Looking back at the most-attended technical session of WEFTEC® 2014 can give a taste of the type of information and education that will be available at WEFTEC 2015 in Chicago. Technical Session 206, “The Complete Guide to Fermentation for Biological Nutrient Removal,” drew 220 attendees […]

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Innovation for the Next Generation at WEF/IWA Residuals and Biosolids Conference 2015

April 28, 2015

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The Water Environment Federation (WEF; Alexandria, Va.) and International Water Association (IWA; London) present a multitude of residuals- and biosolids-related topics at the WEF/IWA Residuals and Biosolids Conference 2015. Being held at the Walter E. Washington Convention Center in Washington, D.C., June 7–10, the educational event will feature 22 technical sessions covering topics such as […]

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Bio-Bus Hits the Streets of England

April 2, 2015

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The annual waste from five people produces enough biomethane to fill the fuel tank of the 40-passenger Bio-Bus once, enough for a 300 km journey. The bus now travels a route that carries an average of 46,500 passengers every week. Photo courtesy of Wessex Water, Julian James Photography.

The green movement is gaining momentum in the United Kingdom (U.K.). On Nov. 20, the Bio-Bus, which runs on biomethane gas, picked up its first passengers. The 40-seat bus can travel as much as 300 km (186 mi) on a tank of gas and emits 20% to 30% less carbon dioxide than a standard diesel […]

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