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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

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
BioCycle February 2015, Vol. 56, No. 2, p. 40

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
BioCycle January 2015, Vol. 56, No. 1, p. 72

Anaerobic Digest
Anaerobic Digest

BioCycle January 2015, Vol. 56, No. 1, p. 22

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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

This content is for subscribers only. Please login to view this content. (Register here.)
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

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

Equipment News
Yuengling Brewery's 2G CENERGY cogeneration power plant.

BioCycle September 2014, Vol. 55, No. 8, p. 88

Anaerobic Digest
Geomembrane Technologies Inc. (GTI) installed a floating gas collection cover over the complete 4-acre surface of the Tulare, California's digester.

BioCycle September 2014, Vol. 55, No. 8, p. 20

Anaerobic Digest

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

Digested Dairy Manure To High-End Potting Soil
Magic Dirt is blended with natural recycled materials and packaged in one cubic foot bags that are currently sold in Idaho and parts of several other Western states.

An anaerobic digester development company launched a bagged potting soil product to utilize digested dairy manure fibers and improve long-term success of facilities.
Nora Goldstein
BioCycle July 2014, Vol. 55, No. 6, p. 48

Winning With Zero Waste
Zero waste sports

In the sports greening arena, the adoption of recycling and composting programs is proceeding at an increased pace. To ensure efficient and effective implementation, buy-in must occur at all levels of an organization, starting at the top.
Nate Clark
BioCycle June 2014, Vol. 55, No. 5, p. 21

BioCycle Equipment & Systems Directory 2014

A guide to equipment and services for the composting, anaerobic digestion and organics recycling industries.

Contaminant Removal Strategies
Figure 2. DODA BioSeparator

Separation of materials requires identifying the appropriate characteristic by which sorting can be done, and optimized. Key separation characteristics are size, weight, density, hardness, magnetism, electrical conductivity and light refraction.
Craig Coker
BioCycle June 2014, Vol. 55, No. 5, p. 46

“Food Waste To Watts” Organics Pilot
Commercial organics collected by Recology were unloaded in a bunker at the Humboldt Waste Management Authority’s transfer station for transport to a composting facility about 150 miles away.

An institutional and commercial organics collection program in Eureka, California, diverted 760 tons of food waste in a year-long trial.
Marsha Johnston
BioCycle June 2014, Vol. 55, No. 5, p. 38

This content is for subscribers only. Please login to view this content. (Register here.)
Call For Papers — BioCycle East Coast Conference 2014

BioCycle East Coast 2014 will cover all facets of organics recycling — organics separation and collection, composting and anaerobic digestion, compost and biogas utilization and markets, technologies and systems — for the municipal, commercial, institutional, agricultural and industry sectors.

AD Financing In The United Kingdom
Anaerobic Digester financing

Understanding of anaerobic digestion has increased, and the technology has demonstrated its viability and ability to produce attractive, steady returns for investors.
Charlotte Morton
BioCycle May 2014, Vol. 55, No. 4, p. 43

From Casino Kitchens To On-Site Digester
The casino recently installed a Grind2Energy unit that grinds the food waste and pumps the slurry into an on-site 2,000-gallon storage tank.

Preconsumer food waste from the Potawatomi Bingo Casino in Milwaukee, along with feedstock from local generators, is processed in the Potawatomi Community’s new anaerobic digester.
Dan Emerson
BioCycle May 2014, Vol. 55, No. 4, p. 40

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

This content is for subscribers only. Please login to view this content. (Register here.)
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

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

This content is for subscribers only. Please login to view this content. (Register here.)
Anaerobic Digest
Anaerobic Digest

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

Anaerobic Digest
Zero Waste Energy Development Company's large-scale commercial dry fermentation anaerobic digestion and composting facility in San José, California.

BioCycle January 2014, Vol. 55, No. 1, p. 20
San José, California: Mixed Organics AD, Composting Facility Opens For Business • Albany, New York: Green Bank Receives Needed Funding • Littleport, Ely, United Kingdom: Produce Grower Starts Up Anaerobic Digester • Waltham, Massachusetts: Harvest Power Announces New CEO • Quito, Ecuador: Brewery Invests In Second Digester • Cleveland, Ohio: Stadium Food Waste To Campus Digester • Batavia, New York: Ag Park Digester Wins $2 Million Grant