Composting Roundup
Susannah Castle, Blue Earth Compost

BioCycle March/April 2014, Vol. 55, No. 3, p. 16

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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Codigestion In Central Florida
The codigestion facility includes a mixing tank, two complete mix anaerobic digesters operated in parallel, and a post digestion tank with a biogas holder mounted to the top (seen at right).

New digester in the Orlando region processes 130,000 tons/year of biosolids, fats, oils, grease and food waste,

producing power, a Class AA granular fertilizer and phosphorous-rich struvite.
Meredith Sorensen
BioCycle March/April 2014, Vol. 55, No. 3, p. 48

BioCycle World
BioCycle East Coast Conference 2014

BioCycle March/April 2014, Vol. 55, No. 3, p. 8

Anaerobic Digest
Glenfiddich Distillery in Dufftown

BioCycle March/April 2014, Vol. 55, No. 3, p. 27

Equipment News
Neuenhauser 3F Portable Star Screen

BioCycle March/April 2014, Vol. 55, No. 3, p. 88

Book Review: More Inconvenient Truths, This Time For Recycling
Junkyard Planet by Adam Minter

BioCycle March/April 2014, Vol. 55, No. 3, p. 85
Richard Hertzberg

Compost And Mulch Aid Drought Survival
The wheat yield increase across all harvests was 16 percent due to higher water holding capacity. (Image courtesy of King County Wastewater)

Composts and organics should be emphasized as much as efficient irrigation techniques to keep crops growing in these times of uncertain water supplies. Part I
Sally Brown
BioCycle March/April 2014, Vol. 55, No. 3, p. 78

 

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Expanding AD Capacity In The UK
Basingstoke, Hampshire

After raising $160 million in 2012, Tamar Energy Ltd set out on an aggressive plan to build 40 anaerobic digestion facilities over the next five years, and generate 100 MW of green electricity.
David Riggle
BioCycle March/April 2014, Vol. 55, No. 3, p. 62

 

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Universities Collaborate On Small-Scale Digester Technology
v

Small-scale digester at an experimental station in Costa Rica has potential to be a model for rural communities throughout Latin America.
Katrina Mendrey
BioCycle March/April 2014, Vol. 55, No. 3, p. 58

 

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Managing Swine Manure In Utah
Liquid effluent is pumped from finishing barns to a one million gallon influent basin (above left). Submersible pumps transfer the liquid via a series of pump lift stations (above right) to the covered digesters.

The Blue Mountain Biogas plant installed two covered digesters with a total capacity of 22 million gallons to manage manure from about one million hogs raised annually.
Bryan Orchard
BioCycle March/April 2014, Vol. 55, No. 3, p. 54

Digester Fueled By Postconsumer Organics
The receiving building houses a bioseparator to remove packaging and other contaminants.

The JC-Biomethane anaerobic digester in Junction City, Oregon, processes source separated organics from the Portland region. Digested solids are composted at an adjacent facility.
Katrina Mendrey

 

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High Solids Anaerobic Digestion + Composting In San Jose
The four in-vessel composting tunnels (one shown on left in photo) are next to one of the banks of digesters (to the right). Content of two digesters fills one composting tunnel.

Housed inside a 100,000 sq. ft. building at the southern edge of the San Francisco Bay, a dry fermentation
AD system with composting bays is processing commercial organics from the City of San Jose.
Nora Goldstein
BioCycle March/April 2014, Vol. 55, No. 3, p. 42

Aerobic Composting And Anaerobic Digestion
Figure 2. Aerobic and anaerobic conditions (Image courtesy of U.S. Composting Council)

Both processes manage decomposition, carried out by biological organisms transforming the materials through chemical reactions. There are pros and cons to each process, and they can be used in series to enhance the value proposition of recycling organic materials.
Craig Coker
BioCycle March/April 2014, Vol. 55, No. 3, p. 32

 

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The Evolution Of New York City’s Big!Compost
BIG!Compost recently installed a GORE cover system at its 10,000 sq ft community composting operation located under the Queensborough Bridge.

The story of how a three-bin composting system in a community garden evolved into a full-fledged community composting facility on track to process over 300 tons of residential food scraps in 2015. Part III
Louise Bruce
BioCycle March/April 2014, Vol. 55, No. 3, p. 66

Editorial: Why REFOR Now
Nora Goldstein, Editor, BioCycle

Nora Goldstein
BioCycle March/April 2014, Vol. 55, No. 3, p. 6