Quantifying Landfill Biogas Production Potential In The U.S.
Figure 2. Overall amount of methane collected versus emitted annually for the U.S.

New study estimates that volume of landfill-derived methane in U.S. is 466 billion cubic feet per year, of which 66 percent is collected and only 58 percent is utilized.
A.E. Schauer-Gimenez, A.J. Cal, M-C. Morse, A.J. Pieja, K.M. Holtman and W.J. Orts
BioCycle November 2014, Vol. 55, No. 10, p. 43

 

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Anaerobic Digest
Microsoft’s Data Plant is powered by a fuel cell fueled by biogas from an anaerobic digester.

BioCycle November 2014, Vol. 55, No. 10, p. 16

Opening Plenary Session, BioCycle East Coast Conference 2014
BioCycle East Coast Conference 2014 Opening Plenary

Unedited video from opening plenary session of BioCycle East Coast Conference, October 28, 2014.

Commentary: Biogas And The November Election
Edward Niblock

Ted Niblock
BioCycle October 2014, Vol. 55, No. 9, p. 52

Anaerobic Digester Good Fit For Rendering Plant
A tanker truck delivers grease trap waste from restaurants in the area to the digester facility at North State Rendering.

California renderer installs digester system to process plant’s wastewater and grease trap waste, as well as additional food residuals streams. Conditioned biogas will fuel collection trucks.
Soren Rasmussen
BioCycle October 2014, Vol. 55, No. 9, p. 48

 

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Advancing Organics Recycling On The East Coast
Demo plots have been installed on the Turf Valley Country Club grounds (adjacent to Conference hotel) to compare standard treatment for turf establishment to “suburban subsoiling” via decompaction and compost amendment. Inset image features core sample of soil prior to treatment.

Meeting demand for organics processing infrastructure, building climate-resilient communities and restoration of the Chesapeake Bay watershed are hot topics for discussion at BioCycle East Coast Conference 2014.
Nora Goldstein
BioCycle September 2014, Vol. 55, No. 8, p. 28

Federal Biogas Opportunities Roadmap
A lack of consolidated financial and technical data for the biogas industry made it difficult to tabulate the economic and environmental benefits from anaerobic digesters not located on farms or at wastewater treatment plants.

Roadmap identifies existing federal programs and funding that can increase use of biogas systems to reduce methane emissions and generate energy and fuels.
Patrick Serfass
BioCycle September 2014, Vol. 55, No. 8, p. 54

BioCycle World
Filtrexx's Student Design Competition at the 14th Annual Meeting of the American Ecological Engineering Society.

BioCycle September 2014, Vol. 55, No. 8, p. 8

Central America Coffee Growers Generate Biogas To Fuel Facilities And Kitchen Stoves
coffee_water

The Energy from Coffee Wastewater project has been implemented in a range of differently sized farms in Guatemala, Honduras and Nicaragua.

Power Positive Resource Recovery
Figure 1. Power positive resource recovery at a BNEW resource recovery center

Using laws of thermodynamic analysis to evaluate the energy and power characteristics of wastewater and beneficial uses of biogas offers greater insight into best business practices and what is achievable.
David Parry
BioCycle August 2014, Vol. 55, No. 7, p. 45

Anaerobic Digest
Barrett’s Mill Anaerobic Digester (BMAD) facility in Shropshire, England, built by Evergreen Gas in 2012.

BioCycle August 2014, Vol. 55, No. 7, p. 20

Anaerobic Digest
Storms Hog Power (SHP) facility, Bladenboro, North Carolina

BioCycle July 2014, Vol. 55, No. 6, p. 16

Symphony Of The Microgrid At An Urban University
The 2.8 MW fuel cell covers an area the size of a tennis court. Combined with an absorption chiller, it will reach 68 percent efficiency.

The University of California San Diego’s microgrid produces 92 percent of its annual electricity load and 95 percent of its heating and cooling load. A fuel cell powered by directed biogas is a cornerstone of the operation.

Marsha W. Johnston
BioCycle July 2014, Vol. 55, No. 6, p. 51

Anaerobic Digest
This Grand Junction (Colorado) fueling station delivers biogas-based CNG generated at the Persigo Wastewater Treatment Facility

BioCycle June 2014, Vol. 55, No. 5, p. 18

Building A Biogas Highway In The U.S.
The liquid RNG produced annually at the Altamont Landfill is equivalent to 2.5 million gallons of diesel fuel. Waste Management uses the fuel in its trash collection trucks.

Studies “conservatively” estimate renewable natural gas could replace 16 percent of the 38 billion gallons of diesel fuel consumed annually by the 10 million fleet trucks and buses on American roads.
Peter Gorrie
BioCycle March/April 2014, Vol. 55, No. 3, p. 36

 

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Feedstock Seasonality Impact On Biogas Production
May food waste (top, left) May yard trimmings (top, right) October yard trimmings (bottom, left) November food waste (bottom, right)

First graduate student to work on-site at University of Wisconsin-Oshkosh dry fermentation digester describes feedstock variations and biogas production trends.
Brooke Koenig
BioCycle February 2014, Vol. 55, No. 2, p. 43

Anaerobic Digest
Anaerobic Digest

BioCycle February 2014, Vol. 55, No. 2, p. 13

Biogas Potential In Canada
Figure 1. Biogas energy production potential by source

New study reports that about two-thirds of the potential national biogas contribution would come from
on-farm anaerobic digesters.
Peter Gorrie
BioCycle December 2013, Vol. 54, No. 12, p. 34

Biogas To Heat And Power
Sheboygan, Wisconsin’s cogeneration equipment includes ten 30 kW and two 200 kW microturbines (several shown above), four heat recovery systems and a biogas treatment and compression system (left).

A variety of turbines and IC engines are designed to operate on biogas. Both types of cogeneration equipment have unique characteristics including their electrical and thermal efficiency.
Kim Murdock-Timmerman
BioCycle September 2013, Vol. 54, No. 9, p. 59

 

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AD And Biogas Technology Developments In UK
Biogest “Power-Compact” MicroPlant

BioCycle editor highlights some exhibits at the UK’s Anaerobic Digestion & Biogas Association Conference and trade show held in July.
David Riggle
BioCycle August 2013, Vol. 54, No. 8, p. 42

Anaerobic Digest
SmartFerm digesters at Monterey Regional Waste Management District's ’s integrated waste management complex.

BioCycle March 2013, Vol. 54, No. 3, p. 19

Biogas Production And Potential From U.S. Wastewater Treatment
Figure 2. Percentages of biogas utilization technologies in use at WWTPs producing biogas

An extensive data collection undertaking has yielded an improved picture of wastewater treatment plants in the U.S. with operating anaerobic digesters and if and how the biogas generated is utilized.
Maile Lono-Batura, Yinan Qi and Ned Beecher
BioCycle December 2012, Vol. 53, No. 12, p. 46

Anaerobic Digest
Microsoft moves ahead on environmentally-friendly on-site power generation with biogas powered data center.

BioCycle December 2012, Vol. 53, No. 12, p. 19

Anaerobic Digest
New digester for Port of Tillamook Bay industrial park

TweetBioCycle November 2012, Vol. 53, No. 11, p. 17 Diamond Bar, California: RFP For Emission Control Technologies For Biogas Engines The South Coast Air Quality Management District (AQMD) has released an RFP to solicit proposals for the deployment of selective noncatalytic reduction (SNCR) emission control technologies for internal combustion engines operating on landfill and/or digester

Innovation Key To Biosolids Digestion
Construction of the thermal hydrolysis pretreatment system and digesters at the Blue Plains Advanced WWTP is expected to be completed in 2014.

Facility scheduled for completion in 2014 at Washington, D.C. treatment plant will utilize thermal hydrolysis and anaerobic digestion — and produce 11.8 MW of power.
Diane Greer
BioCycle October 2012, Vol. 53, No. 10, p. 42

Anaerobic Digest

Tweet BioCycle September 2012, Vol. 53, No. 9, p. 19 Washington, DC: USDA Announces AD Funding The United States Department of Agriculture (USDA) Rural Business-Cooperative Service recently announced $14 million in funding for its Value Added Producer Grant competitive grants program. The program is designed to help agricultural producers enter into value-added activities and may

Anaerobic Digest
Anaerobic Digest

BioCycle August 2012, Vol. 53, No. 8, p. 18

Microturbines Fill Biogas Utilization Niche
The Sheboygan, Wisconsin treatment facility was an early adopter of biogas-fired microturbine technology, installing ten 30 kW Capstone microturbines in 2006 that produce about 4,500 kW/day. (Photo courtesy of Sheboygan WWTP)

Ability to meet stringent air quality emissions rules, “plug and play” interconnection and ease of maintenance
are among features attractive to digester operators at WWTPs.
Diane Greer
BioCycle August 2012, Vol. 53, No. 8, p. 54

Energy Efficiency And Biogas Generation At Wastewater Plants
Central Marin Sanitation Agency cleaned out and is upgrading its existing digesters with membrane covers and pump mixing systems (inside of cleaned digester shown above). Photo courtesy of CMSA

Anaerobic digestion systems are being upgraded to accept food waste and FOG to boost energy generation.
Diane Greer
BioCycle July 2012, Vol. 53, No. 7, p. 37

Anaerobic Digest
Fremont (Michigan) Community Digester project

BioCycle July 2012, Vol. 53, No. 7, p. 14

How To Speak “Natural Gas”
Conditioning equipment for biogas quality

Achieving optimal communications with local natural gas distribution and transmission pipeline companies can help bring renewable natural gas projects to successful fruition.

Diane L. Saber
BioCycle May 2012, Vol. 53, No. 5, p. 41

 

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Indian Village Adopts Household Biogas
Water and bovine dung is put in the mixing chamber of biogas digester

BioCycle April 2012, Vol. 53, No. 4, p. 46
A model program improves community’s self-reliance, generates fuel and provides digested dung for soil fertility.

 

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Anaerobic Digestion

BioCycle April 2012, Vol. 53, No. 4, p. 18
Ontario, Canada: Favorable News On Biogas Feed-In Tariff; Portland, Oregon: Biogas Project Eschews Public Funding; Sacramento, California: High Solids Anaerobic Digester; London, England: Famous Ad Investors In Britain; St. Paul, Minnesota: State Funding For Ad Projects; Rosemont, Illinois: Sustainable Dairy Farmers Honored; Washington, DC: DC Waters Invests $4.1 Billion In Renewables

Anaerobic Digestion In The Northwest
Anerobic digester, Lochmead Farms, Junction City, Oregon

In addition to dairy digesters, some operated as codigesters, two projects in development are designed to process source separated food waste streams.

Dan Sullivan
BioCycle March 2012, Vol. 53, No. 3, p. 33

Dairy Digester Evolution In New York State
New York State dairy farm plug-flow digester

Cornell University has been involved with anaerobic digestion systems on dairy farms for almost 40 years. A member of its PRO-DAIRY team discusses the past, present and future of AD in the Empire State.

Nora Goldstein
BioCycle February 2012, Vol. 53, No. 2, p. 41

 

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Composting, Organics Recycling, Anaerobic Digestion