U.S. EPA Launches Excess Food Opportunities Map
U.S. EPA Food Opportunities Map

The map identifies more than 500,000 potential generators of excess food (e.g. correctional facilities, educational institutions, healthcare facilities, hospitality industry, food manufacturers and processors, and food wholesalers and distributors) and estimated generation quantities, as well as over 4,000 potential recipients of excess food (e.g. anaerobic digestion and composting facilities, food banks).

The State Of Organics Recycling In The U.S.

BioCycle asked states to complete an organics recycling “Snapshot Survey” to collect most recent data on composting, anaerobic digestion and quantities of organics diverted.
Nora Goldstein
BioCycle October 2017, Vol. 58, No. 9, p. 22

Digestibility Of  Food Waste-Derived Animal Feed
Dried supermarket food waste processed using the mobile dehydration unit (top). Dried food waste mixed into a complete diet for growing pigs (bottom).

Research study measured digestibility of targeted high value nutrients in three food waste streams in pig-feeding trial.
David Russick and Pedro E. Urriola
BioCycle October 2017, Vol. 58, No. 9, p. 30

Emission Control For Anaerobic Digesters
Figure 1. Selected buildings and stacks for an anaerobic digester

An emission control evaluation, air quality modeling, permit application preparation, and post permit compliance activities are significant components of the air quality permitting process. Part II
John Hinckley
BioCycle October 2017, Vol. 58, No. 9, p. 45

Anaerobic Digest
Anaerobic digester sourced energy will be used to produce the BMW X3

BioCycle September 2017, Vol. 58, No. 8, p. 22

Life In A Washing Machine

Washington, D.C. is in spin cycle these days. Are there safe harbors for renewable energy projects, including anaerobic digestion?
Michael H. Levin
BioCycle September 2017, Vol. 58, No. 8, p. 36

Poultry Litter Digestion
Poultry litter contains valuable major and minor plant nutrients, and a significant amount of energy.

Poultry litter — a heterogeneous and fairly dry mix that includes manure and bedding — can be diluted to improve its digestibility. Part I
Craig Coker
BioCycle September 2017, Vol. 58, No. 8, p. 50

Air Quality Permitting For Anaerobic Digesters
Figure 1. Significant Impact Area (SIA) to map interactive emission sources

The air permitting process has many nuances that can be thoughtfully anticipated to avoid significant project costs and delays. Part I
John Hinckley
BioCycle September 2017, Vol. 58, No. 8, p. 58

Anaerobic Digest

BioCycle August 2017, Vol. 58, No. 7, p. 16

Residential Organics Diversion In Toronto
Source separated organics collection is available to 65 percent of Toronto’s multifamily residential buildings.

Almost 160,000 tons of source separated organics were collected for anaerobic digestion and/or composting in 2016. About 78% came from households.
Peter Gorrie
BioCycle August 2017, Vol. 58, No. 7, p. 24

Small-Scale Anaerobic Digestion For Agricultural Waste Management
Figure 3: Specific investment costs per kilowatt of electricity depending on plant size

A study in Germany assessed performance of 10 farm digesters that utilize different engineering designs producing under 75 kW of electricity.
Sabrina Eichenauer
BioCycle August 2017, Vol. 58, No. 7, p. 43

What The AD Industry Can Learn From Solar Standardization
Figure 1. Example counterparty structure

Applying a proven project finance model to the anaerobic digestion industry is the best way to ensure projects get built and operate profitably over the long-term.
John Dannan and Janice Tran
BioCycle July 2017, Vol. 58, No. 6, p. 37

What The AD Industry Can Learn From Solar Standardization
Figure 1. Example counterparty structure

Applying a proven project finance model to the anaerobic digestion industry is the best way to ensure projects get built and operate profitably over the long-term. John Dannan and Janice Tran BioCycle July 2017, Vol. 58, No. 6, p. 37 THE U.S. anaerobic digestion (AD) market represents an attractive, multibillion dollar investment opportunity. However, structural industry

EV Biofuel — Farm AD Power
BioCycle Energy

Using electricity produced with biogas as a fuel for electric vehicles was finalized by EPA under the Renewable Fuel Standard in 2014. To date, no pending applications have been approved.
Michael Lemon and Jim Lemon
BioCycle June 2017, Vol. 58, No. 5, p. 35

Anaerobic Digest
IKEA fuel cell system

3-Day Digester Training Course • Ikea Expands Biogas Network • How To Keep A Digester Successful • Bananas To Biofuels • United Kingdom Revises Feed-In Tariffs For Ad Plants
BioCycle May 2017, Vol. 58, No. 4, p. 16

High Solids Digester Services California Municipalities
An automated smart conveyor delivers feedstock from the organics recovery facility to fill “hoppers” that feed the digesters.

Southern California waste management company opens high solids anaerobic digestion facility to process municipal yard trimmings and food waste.
Nora Goldstein
BioCycle May 2017, Vol. 58, No. 4, p. 44

Canadian City Ready To Launch AD And Composting Facility
Surrey has a 3-cart residential curbside collection system with organics picked up weekly, while recyclables and garbage are collected on alternate weeks.

The City of Surrey, British Columbia will be opening its 127,000 tons/year food waste and yard trimmings organics recycling operation in June.
Peter Gorrie
BioCycle May 2017, Vol. 58, No. 4, p. 47

Teaming Up To Collect, Digest Food Waste
Natural Upcycling Services has a fleet of five Brown Industrial food waste collection trucks (example in top photo) that it uses to service commercial and institutional generators. A portion of the material collected is taken to the Noblehurst Green Energy digester in Livingston County, New York (above).

Natural Upcycling Services collects commercial food waste in western New York, diverting most of it to anaerobic digesters.
Katrina Mendrey
BioCycle May 2017, Vol. 58, No. 4, p. 49

AD Prospects — Not As Bad As You Hear
BioCycle Energy

Anaerobic digester project developers should keep seeking to capitalize on current revenue enhancers — and on new ones to supplement or replace them.
Michael H. Levin
BioCycle May 2017, Vol. 58, No. 4, p. 51

BioCycle Live: BioCycle EAST COAST17 Keynote Speaker Kathryn Garcia
Kathryn Garcia, Commissioner, New York City Department Of Sanitation speaks at BioCycle EAST COAST17 Conference, April 5, 2017, Baltimore, Maryland

April 5, 2017 • Baltimore, MD
Intro and closing: Nora Goldstein, Editor, BioCycle
Speaker: Kathryn Garcia, Commissioner, New York City Department Of Sanitation
Presentation Title: Bullish On Organics Recycling

BioCycle Live: BioCycle EAST COAST17 Keynote Speaker Bob Joblin
Bob Joblin, President Of Cenergy Usa And Co-Manager Of Magic Dirt Horticultural Products, LLC speaks at BioCycle EAST COAST17 Conference, April 5, 2017, Baltimore, Maryland

April 5, 2017 • Baltimore, MD
Intro and closing: Nora Goldstein, Editor, BioCycle
Speaker: Bob Joblin, President of Cenergy USA and Co-Manager of Magic Dirt Horticultural Products
Presentation Title: Selling Your Sustainability Story

Anaerobic Digest
Quantum Biopower

BioCycle March/April 2017, Vol. 58, No. 3, p. 20

Selling Your Sustainability Story
Magic Dirt™

What looks like peat, acts like peat but isn’t peat? That’s the sustainability story behind Magic Dirt™, made from anaerobically digested dairy manure fibers.
BioCycle March/April 2017, Vol. 58, No. 3, p. 31

Managing Odors At Anaerobic Digestion Plants
Quasar energy group took a critical look at its biofilters, including the media, sizing and contact time as odorous air passes through. The new biofilter at its Wooster (Ohio) AD plant is four times the size of the original.

Experiencing odors and complaints at its AD operations, quasar energy group spent 10 months dissecting the situation and coming up with a suite of solutions.
Marsha W. Johnston
BioCycle March/April 2017, Vol. 58, No. 3, p. 39

Anaerobic Digest
Bridgend, South Wales, UK anaerobic digestion facility

BioCycle February 2017, Vol. 58, No. 2, p. 16

Nutrient Credit Procurement Update
State legislation could create opportunities for advanced BMPs like anaerobic digestion to predictably sell forward large volumes of “long-term verified nutrient credits.”

State proposals to procure nutrient reductions like commodities may offer anaerobic digestion projects new revenue streams.
Michael H. Levin
BioCycle February 2017, Vol. 58, No. 2, p. 36

Odors Sideline Anaerobic Digestion And Composting Operation
The Harvest Fraser Richmond Organics facility outside of Vancouver, BC processed about 248,000 tons of source separated organics and yard trimmings in 2015.

Richmond, British Columbia facility scales back operations while making significant improvements to its materials handling and odor control systems.
Peter Gorrie
BioCycle January 2017, Vol. 58, No. 1, p. 60

Anaerobic Digest

BioCycle December 2016, Vol. 57, No. 11, p. 14

Sampling Plans For Organics Recycling Facilities
Figure 1. Representative sampling points in a compost windrow. Samples should be taken at several points along the axis, and at various depths of the windrow.

Understanding what you’re sampling for at composting and anaerobic digestion facilities dictates sampling procedures.
Craig Coker
BioCycle November 2016, Vol. 57, No. 10, p. 21

Managing Digester Feedstocks
Figure 1. Biological process of anaerobic digestion

Feedstock receiving infrastructure that is as operator friendly and odor-free as possible is critically important to the long-term success of anaerobic digester facilities.
Paul Greene
BioCycle November 2016, Vol. 57, No. 10, p. 34

Residential SSO To High Solids Anaerobic Digestion
Collection vehicle tips food waste and garden trimmings into receiving pit at the Winterthur anaerobic digestion and composting facility.

Source separated organics, including kitchen and garden waste, are processed in a dry AD plant. Resulting biomethane is injected into an adjacent natural gas pipeline.
Craig Coker
BioCycle October 2016, Vol. 57, No. 9, p. 43

Anaerobic Digest

BioCycle September 2016, Vol. 57, No. 8, p. 20

ABC Digestate Standard Testing And Certification Program
Extruded digested solids

The American Biogas Council launches its digestate standard initiative this fall. Benefits and “how-tos” of program participation are focus of ABC’s Workshop at BioCycle REFOR16.
Norma McDonald and Amy McCrae Kessler
BioCycle September 2016, Vol. 57, No. 8, p. 31

Florida Dairy Succeeds With AD System
Screen separators at the mixing pit.

North Florida dairy with 6,100 mature cows and 5,500 replacements installed anaerobic digestion system that is yielding multiple benefits.
Molly Farrell Tucker
BioCycle September 2016, Vol. 57, No. 8, p. 47

General Mills Turns Whey Into Energy
The sludge mixture flows from the digester into a DAF tank that separates the liquids and solids. Clarified water from the DAF tank goes through aerobic treatment prior to being discharged to the sanitary sewer or to a local golf course where it is used for irrigation.

Food processor installs anaerobic digester primarily to treat acid whey from its Greek yogurt production. Power generated offsets about 10 percent of plant’s electric load.
Alle Crampton
BioCycle September 2016, Vol. 57, No. 8, p. 59

Equipping Digester For Feedstock Flexibility
Bayview Flowers’s anaerobic digester was originally designed to process clean organics feedstocks, such as grape pomace and dairy manure.

Anaerobic digester facility in Ontario is retrofitted to enable processing of a wider range of organics, including food scraps.
Tom Ferencevic
BioCycle August 2016, Vol. 57, No. 7, p. 51

Toronto Moves Ahead With AD Plant Upgrade
The existing Dufferin anaerobic digester facility (left) and rendering of the upgraded plant (right).

Redevelopment of the Dufferin Organics Processing Facility will enable it to process up to 60,000 tons of residential organics annually.
Peter Gorrie
BioCycle July 2016, Vol. 57, No. 6, p. 33

Anaerobic Digest
Anaerobic Digest

BioCycle June 2016, Vol. 57, No. 5, p. 13

BioCycle Portals To Organics Recycling In U.S. & Canada
New home page BioCycle FindAComposter.com

Updated BioCycle FindAComposter.com and the brand new BioCycle FindADigester.com and FindOrganicsHauler.com are launched and open for listings.
Nora Goldstein
BioCycle June 2016, Vol. 57, No. 5, p. 16

BioCycle Equipment & Systems Directory 2016

BioCycle’s Equipment and Systems Directory 2016 — a guide to equipment and services for the composting, anaerobic digestion and organics recycling industries — is available online exclusively.

University Of Alberta Strives For Zero Waste
The number of material streams was simplified from six to four, and new signage was developed accordingly for the Zero Waste stations.

Campus analyzes costs, collection systems and logistics to increase diversion of organics, which will be processed at City of Edmonton’s new AD facility. Part I
J. Kwasny, S. Leblanc, K. Yan and D. McCartney
BioCycle May 2016, Vol. 57, No. 4, p. 21

Lessons From The Birth Of Emissions Trading
BioCycle Energy

Steps taken to resolve challenges to air emissions trading decades ago contain important lessons for implementing “market-based” nutrient trades under the Clean Water Act — and hope for AD benefits under EPA’s Clean Power Plan. Part I
Michael H. Levin
BioCycle May 2016, Vol. 57, No. 4, p. 43

Health And Safety Planning In Anaerobic Digestion
Incidents, such as an episode of reverse gas flow from the biogas flare (above) igniting and scorching PVC gas piping (right), illustrates how a unit can deviate from expected performance.

A HAZOP analysis examines each step or unit operation in the AD manufacturing environment to explore possible ways that either partial or total failures can occur.
Craig Coker and Nellie Brown
BioCycle May 2016, Vol. 57, No. 4, p. 51

Growing A Dairy … And A Digester
As part of the expansion, Norm-E-Lane installed a combined heat-and-power unit made by MTU Onsite Energy. The engine is rated at 763 kW, but is limited to producing 600 kW per the dairy’s power purchase agreement.

Norm-E-Lane Dairy in Wisconsin installed an anaerobic digester in 2007, and “outgrew” it several years later, prompting expansion and a new engine.
Nora Goldstein
BioCycle March/April 2016, Vol. 57, No. 3, p. 38

Partnership Fosters Food Access And Renewable Biogas
Student volunteers assist with gleaning fruit trees in Fresno.

Fresno Metro Ministry and Colony Energy Partners received a $2.9 million CalRecycle grant to help expand Metro’s Food To Share Program and build an anaerobic digester for nonedible food.
Claire Siegrist
BioCycle March/April 2016, Vol. 57, No. 3, p. 44

Anaerobic Digester Anchors Community-Scale Biofuel Production
Figure 1. Carbon Intensity (CI) for diesel and substitutes, grams CO2 emitted/unit of energy adjusted for energy economy ratio (EER) (g CO2 e/MJ)

How a California city of 100,000, which generates about 25,000 tons/year (tpy) of organics, can fuel the solid waste fleet serving that community.
Rick Moore and Evan Edgar
BioCycle March/April 2016, Vol. 57, No. 3, p. 47

Opportunities And Challenges With University Codigestion Facility

An anaerobic digester at Michigan State University processes a variety of source separated food waste, FOG and dairy manure. The facility is helping to meet the campus’ renewable energy target.
Craig Coker
BioCycle February 2016, Vol. 57, No. 2, p. 30

Biogas And The Clean Power Plan
The contribution that anaerobic digesters can make to reduce CO2 emissions while generating electricity paves the way for inclusion of these systems in each state’s Clean Power implementation plans.

American Biogas Council explains a major opportunity for anaerobic digestion and biogas in all 50 states in 2016. But action is needed.
Maureen Walsh
BioCycle January 2016, Vol. 57, No. 1 p.57

Moving Wisconsin’s Biogas Industry Forward
Forest County Potawatomi Community, Milwaukee, Wisconsin Photos courtesy of Wisconsin State Energy Office

A recent survey of Wisconsin’s biogas industry — which includes 172 anaerobic digesters —highlights challenges and solutions needed to advance biogas facility development.
Clinton Fandrich and Amanda Mott
BioCycle September 2015

Anaerobic Digest
Longchamps biomethane plant

BioCycle September 2015

Vermont Utility Ramps Up Renewable Power Generation
Thirteen farms with anaerobic digesters are enrolled in GMP’s Cow Power program, producing about 19,000 MWh of renewable energy annually. Monument Farms Dairy in Weybridge, Vermont is a Cow Power producer.

Green Mountain Power is investing in solar, anaerobic digestion and energy efficiency systems to build a more reliant grid, and comply with the state’s renewable energy requirements.
Nora Goldstein
BioCycle September 2015

Depackaging Feedstocks For Anaerobic Digestion
Biogas Energy Partners accepts packaged food waste from food processors, retailers and institutions. A depackaging unit installed in July is designed to process 150 tons/day.

Mechanical and hydraulic techniques are used to break open packaged feedstocks and separate them from the organic material.
Peter Gorrie
BioCycle September 2015

New Technologies Capture Phosphorus And Ammonia
Separated solids with high P levels (1). Samples (2) after each stage of the P recovery process (from left to right): slurry; solids after dewatering; liquids after dewatering; and final low P liquid product.

Companies, often in tandem with universities, are developing phosphorus and ammonia recovery systems that can be paired with anaerobic digesters.
Dan Emerson
BioCycle September 2015

Ontario Composter Expands With Digestate Processing
Digestate is mixed with carbon sources using an Ecoverse DW 3080 stationary shredder/blender in the enclosed receiving hall at the composting facility.

All Treat Farms composts digestate from the anaerobic digester servicing the City of Toronto’s residential organics collection program.
Peter Gorrie
BioCycle August 2015

Anaerobic Digest
AgSTAR website redesign

BioCycle July 2015

Entrepreneur Connects Generators To AD
Napoleon Biogas, LLC processes organic waste from a neighboring Campbell Soup Company plant in Napoleon, Ohio. Underground pipes transport the organics from the plant to the digester (shown in foreground; biogas storage unit on right).

A Northeast company brings anaerobic digestion and renewable energy to the feedstock sources in Ohio and New York State.
Dan Emerson
BioCycle July 2015

Digester Biogas Heats Up Ethanol Plant
A DVO mixed plug flow digester (foreground) was installed at the Calgen Renewable Fuels ethanol plant (background) to process dairy manure from a nearby farm with about 10,000 gallons/day of food waste.

Pixley Biogas in Pixley, California is the state’s first anaerobic digester that is powering another renewable energy facility.
Dan Emerson
BioCycle June 2015

Boosting Biogas And The Bottom Line At WRRFs
The East Bay Municipal Utility District (EBMUD) in Oakland, California, was an early pioneer in codigestion at water resource recovery facilities (WRRFs), utilizing its excess digester capacity to process food waste streams.

“Traditional” WWTPs with anaerobic digesters are adding high strength food waste and FOG to become Water Resource Recovery Facilities with significantly smaller carbon footprints. Part I
Marsha Johnston
BioCycle June 2015

Anaerobic Digestion In The UK — 2015 Update
Over 90 food waste AD facilities are in operation in the United Kingdom, such as the one near Bridgwater, England (shown above during construction), with many more in the pipeline.

The state of the AD industry in the United Kingdom is dynamic but the potential for further growth is huge, according to the Anaerobic Digestion and Bioresources Association.
Charlotte Morton
BioCycle May 2015

On The Road To Power Positive Wastewater Treatment
Construction of a $3 million receiving facility for food waste and other high strength organics was completed in January (left). Biogas from the AD tanks is directed to a gas storage membrane system (right).

Claire Siegrist
BioCycle May 2015

Anaerobic Digest
The St. Landry Parish Solid Waste Disposal District installed a vehicle fueling system in 2012.

BioCycle March/April 2015

Advances In Compost Heat Recovery
A “plug and play” Compost Heat Wagon, operating this winter at Vermont Compost Company, includes a high power aeration fan and an Isobar™ heat recovery system.

Two Vermont enterprises are using heat from active composting piles — up to 1 million Btus of energy per ton of material composted — in greenhouse operations this winter.
Gaelan Brown
BioCycle March/April 2015

Adding AD To Existing Composting Site Footprint
The horizontal plug flow digesters, about 115-feet in length, have a longitudinal paddle shaft that slowly rotates. Material traverses the digesters over a typical 21-day retention time.

Two horizontal digesters and an in-vessel composting system enabled the City of Augsburg, Germany to expand processing capacity and include food waste.
Robin Szmidt
BioCycle March/April 2015

Integrating Digester, Tunnel Composter In France
Figure 1. Illustration of process flow at SMET 71’s Ecocea facility

The Ecocea anaerobic digestion and composting facility is expected to process 80,500 tons/year of household waste, with biomethane fed into an industrial natural gas network.
Marsha W. Johnston
BioCycle March/April 2015

Oregon WWTP’s Energy Net Zero Journey
Haulers connect to the FOG receiving station, comprised of two tanks, a FOG grinder, unload/tank mixing pump and a feed pump. Tipping fee is $.08/gallon. The plant has two 400 kW CAT engines (right).

Energy efficient digester mixers and treatment plant blowers, as well as installation of a solar array, FOG receiving system and two 400 kW CHP engines, are credited with helping to achieve energy net zero performance.
Nora Goldstein
BioCycle March/April 2015

Toronto Expands Anaerobic Digestion Of Source Separated Organics
The City of Toronto’s new anaerobic digester, the Disco Road Organics Processing Facility, has capacity to process about 83,000 tons/year of residential source separated organics (SSO).

Canada’s largest city started up its second digester to manage SSO collected from the residential sector, and is expanding capacity at its original facility.
Peter Gorrie

Depackaging Feedstocks For AD And Composting
A1 Organics purchased the Ecoverse Tiger HS640 Food Depackager, which has an 8 cubic yard stainless steel hopper that can be fed with a loader (above). Material is pulled into the vertical mill by augers in the bottom of the hopper; bolt-on paddles, spinning at 1,000 RPMs, remove organics from their packaging. Examples of feedstocks processed include cardboard-packaged dried dog food (in loader bucket above), expired dairy products (bottom left) and gallon jugs of iced tea (bottom right).

Digester preprocessing system to be installed by A1 Organics at the Heartland Biogas anaerobic digester in Weld County, Colorado, includes two types of depackaging units.
Nora Goldstein

Wastewater Treatment Plant In Compliance — And Off The Grid
A biomass equalization tank is used to mix the treatment plant solids with other substrates, such as food waste, prior to loading into the digesters.

Partnership between the City of Wooster, Ohio and an anaerobic digester developer to retrofit WWTP solids handling is already yielding positive results.
Marsha Johnston
BioCycle December 2014, Vol. 55, No. 11, p. 35

Anaerobic Digestion Infrastructure In Massachusetts
The first stand-alone nonfarm based digester in Massachusetts is owned by CRMC Bioenergy, LLC, and will accept food waste, FOG and WWTP biosolids. It is starting up in pilot mode. Photo courtesy of CRMC Bioenergy, LLC

Even with the new commercial organics ban, the tortoise is winning over the hare as AD facilities slowly roll out in Massachusetts. Part 2
Zoë Neale
BioCycle December 2014, Vol. 55, No. 11, p. 41

Powering A Creamery On Food Waste Feedstocks
(1) Langage Farm’s 3-tank digester systems (left). Digestate holding tank with flare (in foreground) and digestate solar drying greenhouse (in rear). (2) Grit separation unit mounted on digester roof. (3) Digester tanks with Yield/FITEC self-cleaning tank system on top that perform grit removal with floor scraper, gravity separation and skimmer to remove floating contaminants.

To help make the investment in an AD plant pencil out, a dairy and creamery in southern England threw its hat into the municipal and commercial organics processing arena.
Nora Goldstein
BioCycle December 2014, Vol. 55, No. 11, p. 38

Anaerobic Digest
US EPA AgSTAR U.S. digesters

BioCycle December 2014, Vol. 55, No. 11, p. 16

Water Environment Research Foundation Codigestion Survey

The Water Environment Research Foundation (WERF), the New York State Energy Research and Development Authority, Hazen and Sawyer, Kennedy/Jenks Consultants and Carollo Engineers have collaborated to develop a common survey to obtain information for three separate research projects related to codigestion of high strength wastes.

Integrating Anaerobic Digestion With Composting

Which is better for managing source separated organics, anaerobic digestion or aerobic composting? “It’s not an either-or proposition,” suggest the authors.
Tom Kraemer and Scott Gamble
BioCycle November 2014, Vol. 55, No. 10, p. 32

Utility Powers Up Anaerobic Digester
Delivery trucks unload feedstocks, sourced from a 60-mile radius of the plant, inside the receiving and preprocessing building. Solids are moved via an automatic crane (inset).

Hometown BioEnergy, LLC, a subsidiary of the Minnesota Municipal Power Agency, has capacity to produce 8 MW of electricity at its anaerobic digestion plant.
Dan Emerson
BioCycle November 2014, Vol. 55, No. 10, p. 48

Digester Closes Loop For Bay Area Hauler
Over half of South San Francisco Scavenger Company’s fleet of collection trucks is equipped with CNG engines.

A dry anaerobic digester, with two composting tunnels, was constructed at a transfer station to process 11,200 tons/year of source separated organics.
Nora Goldstein
BioCycle November 2014, Vol. 55, No. 10, p. 50

Permitting Bioenergy Projects In California
CleanWorld high solids anaerobic digester in Sacramento (CA), located at a solid waste transfer station.

Panel discussion provides insights into how to successfully maneuver through California’s stringent requirements for projects such as anaerobic digestion.
Marsha Johnston
BioCycle November 2014, Vol. 55, No. 10, p. 52

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

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

Testing Low Cost AD Systems
BARC’s dairy research unit includes 110 milk cows. A scraper system removes manure from the barn (1), which is then pumped (2) to a separator. Liquids are anaerobically digested (3) and manure solids are composted nearby (4).

Field trials at USDA Beltsville Agricultural Research Center are testing six Taiwanese-style digesters, each treating up to 42 gallons of manure daily. A variety of studies have been conducted.
Stephanie Lansing and Walter Mulbry
BioCycle October 2014, Vol. 55, No. 9, p. 44

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

Dairy Digester Opens Doors On Maryland Farm
The covered lagoon digester has a capacity of 680,000 gallons. It treats dairy manure in addition to food wastes, such as chicken and meatball fat and ice cream waste.

The Kilby family in northeastern Maryland operates a dairy farm, ice cream and milk processing plant, ice cream parlor — and an anaerobic digester.
Stephanie Lansing and Nora Goldstein
BioCycle September 2014, Vol. 55, No. 8, p. 66