Composting Roundup
Grant Berman (left) and Miles Macero of Dirty Boys Composting

BioCycle July 2015, Vol. 56, No. 6, p. 10

Strategic Partnering For Composting Facility Growth
“Our collaboration allows us to more efficiently use our assets for more than one business unit,” says John Adelman, CEO of CPRC Group (center), along with Brett Richardson of We Compost It! (left) and Jim Hiltner. CPRC’s MB Bark composting facility (right) is in Auburn, Maine.

We Compost It! in Maine and Roots Composting in Arizona are expanding their operations by aligning with larger companies that have compatible expertise, processing equipment and available land.
Craig Coker
BioCycle July 2015, Vol. 56, No. 6, p. 19

Connections: YIMBY
Sally_Brown_1

Sally Brown
BioCycle July 2015, Vol. 56, No. 6, p. 45

Zero Waste At Fort Drum
A “weigh and sort” done at one of Fort Drum’s dining facilities (above and below) estimated that the amount of food waste produced per meal was around 0.5 lbs/person.

The Fort Drum Army base in northern New York began collecting and composting preconsumer food scraps in Fall 2014.
Dan Emerson
BioCycle June 2015, Vol. 56, No. 5, p. 23

Small-Scale Composting In Mediterranean Tourist Regions
A drum composter was selected for the Upper Galilee county in Israel, a major tourist region with 20,000 inhabitants.

The SCOW Project has been developing low-cost collection and composting systems for source separated organics in agro-tourism areas around the Mediterranean.
Dan Levanon, Ramón Plana and Gemma Nohales
BioCycle June 2015, Vol. 56, No. 5, p. 25

 

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Composting, Organics Recycling, Anaerobic Digestion

 

Sports Teams Build Food Recovery Awareness
Allstate Arena is advancing organics diversion, recycling and energy efficiency.

Growing numbers of professional sports teams and organizations are capturing edible food in their venues for donation, while continuing to divert food scraps to composting programs.
Marsha W. Johnston
BioCycle June 2015, Vol. 56, No. 5, p. 34

Commentary: Introducing Compostable Products Into Regional Programs
Michele Riggs

Michele Riggs
BioCycle June 2015, Vol. 56, No. 5, p. 51

Composting Roundup
12b

BioCycle May 2015, Vol. 56, No. 4, p. 12

Food Scraps Composting At County Yard Trimmings Site
Food scraps, some arriving in compostable bags (top photo), are unloaded onto a bed of mulch, then mixed in with a front-end loader.

Prince George’s County, Maryland began a food scraps composting pilot using a covered composting system, and is processing about 125 tons/month.
Nora Goldstein
BioCycle May 2015, Vol. 56, No. 4, p. 21

Building A Composting Niche
Amendments are placed in a truck-mounted vertical mixer, which is driven to GNP Company to collect the solids.

Mississippi Topsoils, Inc. in Minnesota has built its expertise and product markets around composting poultry solids and woody materials.
Dan Emerson
BioCycle May 2015, Vol. 56, No. 4, p. 29

 

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Growing A Composting Company 
Earth Farms’ compost (being screened above) is certified by the USCC’s Seal of Testing Assurance.

Earth Farms Organics was born out of seeking a better solution to manage grease trap solids. Today, about 70,000 tons/year of food scraps, FOG and wood chips are processed.
Ryan Cooper
BioCycle May 2015, Vol. 56, No. 4, p. 37

BioCycle Live: Opening Plenary Session, BioCycle West Coast Conference 2015
BioCycle West Coast Conference 2015

Welcome & Introductions: Nora Goldstein, Editor, BioCycle
Keynote Speakers:
• Kathryn Harrington, Metro Council, Portland, Oregon
• Rhys Roth, Director, Center for Sustainable Infrastructure, The Evergreen State College
• Ashley Zanolli, West Coast Climate and Materials Management Forum Co-Lead, U.S. EPA Region 10
• Jordan Figueiredo, Zero Food Waste Advocate, EndFoodWaste.org, FeedBackGlobal.org

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, Vol. 56, No. 3, p. 34

 

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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, Vol. 56, No. 3, p. 42

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, Vol. 56, No. 3, p. 42

 

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Positive Air, Biofilter Cover Layer Control Biosolids Composting Emissions
Figure 1. Example test location

An R&D project at a California facility was executed under commercial-scale operation to evaluate the “+ASPw/BFC” technology’s operational feasibility and air emissions control performance.
T. Cordova, J. Goodwin, T. Card and C.E. Schmidt
BioCycle March/April 2015, Vol. 56, No. 3, p. 49

 

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Growing A Food Scrap Composting Infrastructure In Illinois
Several composting facilities in Illinois have expanded to accept food scraps, such as St. Louis Composting’s operation in Belleville, Illinois.

Stakeholder forums, a survey of Illinois composters and extensive research by the Illinois Food Scrap Coalition have resulted in a comprehensive report that will guide increased diversion and processing capacity.
Jennifer Nelson, Jennifer Jarland and Stephanie Katsaros
BioCycle March/April 2015, Vol. 56, No. 3, p. 52

 

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Food Scraps Diversion Feasibility In A Small City
Figure 2. Commercial solid waste collection containers in Rolla

A 2014 study sought to answer the question: Can diversion and composting be done cost-effectively, with minimal fiscal impact on Rolla, Missouri’s businesses and residents?
Craig Coker
BioCycle March/April 2015, Vol. 56, No. 3, p. 67

 

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Crowdfunding Collection And Composting
Compost For Brooklyn, Brooklyn, New York: Raised $2,030 on ioby to build new composting bins and sifter.

More entrepreneurs and activists working to establish composting businesses and community projects are turning to crowdfunding platforms to raise needed capital.
Marsha W. Johnston
BioCycle March/April 2015, Vol. 56, No. 3, p. 72

School District Rolls Out Food Waste Reduction
Composting of food scraps, green waste and tree trimmings is done on-site at Ramona High School in an Earth Tub unit. Student Eco-Leaders monitor the process, weighing and recording incoming feedstocks, taking temperatures and observing moisture levels.

Program servicing rural school district strengthens youth and the greater community’s understanding of the importance of food scrap diversion.
Rich Flammer
BioCycle March/April 2015, Vol. 56, No. 3, p. 79

Composting Roundup
For feedstock, Community Compost is already collecting food scraps from between 15 and 20 residential customers and 10 businesses in New Paltz, and 40 to 50 residential customers in Hoboken.

BioCycle March/April 2015, Vol. 56, No. 3. p. 16

Grant Opportunities: Community Composting In New York, Zero Waste In San Francisco
Fifth Street Farm Project (top) and Yellow Hook CSA (bottom)

Citizens Committee for New York City, in partnership with the Manhattan Borough President Gale Brewer and her Solid Waste Advisory Board are awarding up to $30,000.
San Francisco Department of the Environment (SFE) announced grant request-for-proposals in the amount of $860,000.

Calculating Tons To Composting In The U.S.
compost

Columbia University’s Earth Engineering Center surveyed the 50 states in 2013 to measure tons of MSW disposed, combusted, recycled and composted in the U.S.
Nickolas J. Themelis and Ljupka Arsova
BioCycle February 2015, Vol. 56, No. 2, p. 27

Large-Scale Composting, Texas Style
Feedstocks at Living Earth’s composting and mulch facilities include yard trimmings (inset) and preconsumer vegetative produce trimmings.

Living Earth operates multiple composting facilities in Houston and Dallas-Ft. Worth, processing yard trimmings, produce “off-cuts,” bedding and manure.
Nora Goldstein
BioCycle January 2015, Vol. 56, No. 1, p. 28

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

Role Of Moisture In Determining Compostable Bag Degradation
Figure 3. Total precipitation results recorded for Maine and Cal Poly during 5-week composting study Figure 4. Ambient temperatures recorded for Maine and Cal Poly during 5-week composting trials

Two simultaneous compostable bag trials were conducted in two different climates utilizing similar feedstocks and composting method.
M.A. King, K.L. Piper, G. MacDonald, S.E. Sherman, H. Francis, C.J. Hopkins and M.S. Clark
BioCycle January 2015, Vol. 56, No. 1, p. 48

Coping With Persistent Herbicides In Composting Feedstocks
Green Mountain Compost (GMC) conducts its own bioassays, testing every 100 cubic yards of compost produced using red clover and fava beans.

U.S. EPA’s final work plans for clopyralid, picloram and aminopyralid include development of testing methods to detect herbicide residues in compost. And composting facilities fine-tune strategies to protect against impacts.
Craig Coker
BioCycle January 2015, Vol. 56, No. 1, p. 44

Composting Roundup
Tilthy Rich: subscription-based food scraps collection service

BioCycle January 2015, Vol. 56, No. 1, p. 17

Commentary: Making The Case For Distributed Composting Infrastructure
Neil Seldman

Neil Seldman
BioCycle January 2015, Vol. 56, No. 1, p. 75

Compostable Cutlery Disintegration Trials
Figure 1. Green Mountain Compost cutlery degradation data

Nine brands of cutlery marketed as compostable were put through a degradation test at a Vermont composting facility that utilizes the aerated static pile method.
Nate Clark
BioCycle December 2014, Vol. 55, No. 11, p. 25

Maryland’s New Composting Regulations
Compost specific storm water management guidance

Draft rules, several years in the making, are in the final comment period. Rules focus primarily on composting facilities processing source separated organics.
Marsha Johnston
BioCycle December 2014, Vol. 55, No. 11, p. 33

Composter Brings On Residential Food Scraps Stream
The mass bed is turned a minimum of every 7 days with a Vermeer elevating face compost turner.

Eight months into processing curbside collected source separated organics from the City of Seattle, Lenz Enterprises’ strategy for contaminant removal is effective.
Nora Goldstein
BioCycle December 2014, Vol. 55, No. 11, p. 20

US Composting Council Announces Election Results
us_composting_council

The US Composting Council announced election results for the 2015 Board Of Directors on December 2, 2014.

Integrating Anaerobic Digestion With Composting
The Hengelo, Netherlands plant employs a continuous plug-flow anaerobic digester integrated into a larger composting operation. The digester, supplied by Organic Waste Systems, processes one-quarter of incoming feedstock on a half-acre footprint at the facility. Photo courtesy of OWS

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

Smooth Transition To Food Waste Composting
All food waste is unloaded in a ClearSpan fabric building to reduce storm water impacts on waste receiving and mixing operations. Among special loads of food waste processed was the 800-pound butter sculpture from the New York State Fair (inset).

Regional waste authority in New York State switches to extended aerated static piles in bunkers to manage food waste at existing yard trimmings composting facility.
Claire Siegrist
BioCycle November 2014, Vol. 55, No. 10, p. 20

Cost-Effective Odor Control
Figure 6. Stratified air management

Technical Advisor on odor from England’s Environment Agency discusses odor pollution control options for organics recycling facilities in the context of business planning, management and abatement.
Nick Sauer
BioCycle November 2014, Vol. 55, No. 10, p. 25

Growing Composting Site At County Landfill
Ground green waste is mixed with food waste and loaded into 30 cubic yard modified drop boxes where aeration piping is laid in the bottom (left). After 30 days in the container, material is moved into the windrow composting process (right).

Deschutes Recycling expanded its yard trimmings composting operation to include commercial food waste. Produce from garden at the facility is donated to local food bank.
Dan Emerson
BioCycle November 2014, Vol. 55, No. 10, p. 40

Composting Roundup
Compostable cutlery dispersed in bay; overs (with pen for scale); unders (with glove for scale)

BioCycle November 2014, Vol. 55, No. 10, p. 12

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

BioCycle Live: 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.

State Orders Closure Of Peninsula Compost Facility
Wilmington Organics Recycling Center (WORC), circa 2010 Photo courtesy of WORC

On October 20, David Small, Secretary of the Delaware Department of Natural Resources and Environmental Control (DNREC), issued a Secretary’s Order to Peninsula Compost Company LLC of Wilmington requiring closure of its organics recycling facility.

Composting, Zero Waste On NYC’s Governors Island
Volunteers assist with mixing foods scraps from New York City’s Greenmarkets with an equal amount of preblended carbon amendment to create an aerated static pile. Earth Matter NY cofounder Marisa DeDominicis in on right.

Earth Matter NY, located on Governors Island in New York Harbor, operates a Compost Learning Center, training programs, zero waste initiatives and a community composting site. Part V
BioCycle October 2014, Vol. 55, No. 9, p. 35

Managing Fall Leaves In Victoria, British Columbia
The Residential Leaf Pick-Up Program takes place over four months, starting in October when trees first drop their leaves.

The City Parks Division has taken steps to reduce the carbon footprint of its annual leaf collection as well as expanded applications for finished compost and leaf mulch.
Ken Hilchey
BioCycle October 2014, Vol. 55, No. 9, p. 27

Leaf Composting Helps Preserve Family Farm
Panorama Pay-Dirt processes fall leaves, wood chips and some poultry litter in windrows on roughly 20 acres of gently rolling hills.

What began with a contract to compost leaves from the City of Charlottesville, Virginia has evolved into a sustainable soil amendment products company.
Ryan Cooper
BioCycle October 2014, Vol. 55, No. 9, p. 30

Taking States’ Pulse On Residential Food Waste Collection
General awareness of what composting is and how compost can be used to beautify neighborhoods are significant benefits of residential food scraps drop-off programs, like this one at a New York City Greenmarket.

State composting, recycling and/or solid waste officials provide perspectives on adoption of curbside collection and composting of source separated residential food scraps. Part I
Rhodes Yepsen
BioCycle October 2014, Vol. 55, No. 9, p. 39

 

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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

Volunteers, Master Composters At Core Of Organics Diversion
Cayuga Compost services the totes and composts the festival food scraps and compostable serviceware. Starting in 2015, the facility will not accept compostable utensils as they aren’t breaking down in its windrow system.

The Finger Lakes GrassRoots Festival draws about 20,000 people to the 4-day event. Compost Crew volunteers, many of them Master Composters, run the organics diversion program.
Claire Siegrist and Dori Chandler
BioCycle September 2014, Vol. 55, No. 8, p. 83

Music Festivals Keep Beat With Composting
Volunteers manually sift through each waste stream at a rudimentary sorting station to remove cross-contamination (inset). Compostable plates, cups and utensils are used at Bonnaroo (shown at composting farm). Vendors are provided purchasing guidelines set forth by the festival.

This year’s Bonnaroo Music & Arts festival, attended by over 80,000 people, generated 120 tons of compostable material being processed on-site.
Stephanie Katsaros
BioCycle September 2014, Vol. 55, No. 8, p. 80

Urban Composting Born Out Of U.S. – Mexico Collaboration
Municipal yard trimmings were chipped in a hand-fed chipper/shredder and windrows were turned by hand during the pilot-scale composting project at the Tijuana Urban Compost Center.

A 3 tons per week pilot project in Tijuana, Mexico illustrated the potential of composting, and is a critical step to protecting a watershed shared with San Diego.
Rich Flammer
BioCycle September 2014, Vol. 55, No. 8, p. 78

Food Waste Collection Companies Grow With The Flow
E.O.M.S. has over 300 food waste collection accounts. Customers use 64-gallon carts and/or 2- and 4-cubic yard containers (inset).

Interviews with haulers yield valuable insights into how to successfully set up and run dedicated organics collection routes.
Nora Goldstein
BioCycle September 2014, Vol. 55, No. 8, p. 70

Understanding The Chemistry Of Compost Contact Water
Figure 1. Current and closed compost sites at Arboretum

Research study analyzed ground water coming into contact with active composting piles — both yard trimmings only and yard trimmings with food waste and paper. Part II
Ginny Black and Marcus Zbinden
BioCycle September 2014, Vol. 55, No. 8, p. 48

 

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State Coalition Advances Food Scraps Diversion
Food scraps unloaded at Land and Lakes’ source separated organics composting facility in Chicago.

Illinois Food Scrap Coalition is focusing first on commercial collection programs to provide volume of food scraps necessary to promote route density for the haulers and foster growth of additional processing facilities.
Jennifer Jarland
BioCycle September 2014, Vol. 55, No. 8, p. 37

Connections: A Better WARM
Sally Brown

Sally Brown
BioCycle September 2014, Vol. 55, No. 8, p. 85

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

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

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

Composting Roundup
Real Food Farm, in Baltimore, supports a community composting program by accepting food scraps and yard trimmings from residents.

BioCycle September 2014, Vol. 55, No. 8, p. 14

Colleges And Universities Invited To Compete In GameDay Recycling Challenge
biocycle_june_2014

GameDay Recycling Challenge invites colleges and universities across the nation to compete to see which school will produce the least amount of waste in their stadiums and tailgate areas this college football season.

California University Integrates Composting Education
The Center for Sustainability offers a variety of trainings, including one focused on vermicomposting, as well as a week-long certification course for professional composters.

California State Polytechnic University offers classes, trainings and hands on experience in composting and organic farming.
Ryan Cooper
BioCycle August 2014, Vol. 55, No. 7, p. 39

 

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Students Grow A Food Scraps Program
University of Arizona student members of Compost Cats work at the composting site located at the San Xavier Co-op Farm.

A student group at the University of Arizona, the City of Tucson and a Native American tribe joined forces to collect and compost source separated organics.
Dan Emerson
BioCycle August 2014, Vol. 55, No. 7, p. 36

Forging Paths For New York City’s Community Composters
Lower East Side Ecology Center’s original composting site at East River Park in 1998 (top and middle) and its largest recycling drop-off location at 6th Street and Avenue B (bottom).

Christine Datz-Romero of the Lower East Side Ecology Center became a New Yorker in 1980. A need for soil to beautify a recycling drop-off site in 1990 led to offering food scraps drop-off and composting. Part IV
BioCycle July 2014, Vol. 55, No. 6, p. 34

State Of Composting In The U.S.
State Of Composting In The U.S.

New report reviews composting basics, provides national and state-by-state statistics and job generation data, summarizes model programs, technologies and systems, and concludes with recommendations on how to grow composting in the U.S.
Brenda Platt and Nora Goldstein
BioCycle July 2014, Vol. 55, No. 6, p. 19

Composting Roundup
CJ Kimbell and Ethan Bumps, Kimbell Compost, LLC, Burlington, Vermont

BioCycle June 2014, Vol. 55, No. 5, p. 12

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

Community Achieves An Odor Solution
A conveyor belt (left) was installed to transfer dewatered biosolids directly from the treatment plant to the adjacent composting site — which was required to install a biofilter system (right).

How citizens of Missoula, Montana worked with the local health department, consultants and the local treatment plant and composting facility to address nuisance odors.
Katrina Mendrey
BioCycle June 2014, Vol. 55, No. 5, p. 31

 

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BioCycle Equipment & Systems Directory 2014
BioCycle_Equipment_Systems_Directory

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

Zero Waste Composting
After establishing a robust prevention program, collection of the remaining SSO should be designed to leverage a community’s existing infrastructure, e.g., cocollection of SSO and recyclables.

An in-depth economic, social and environmental impact analysis factored in source reduction and home composting, as well as organics collection, composting and anaerobic digestion.
Joanna Stone, Kate Davenport and Bryan Ukena
BioCycle June 2014, Vol. 55, No. 5, p. 33

 

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Call For Papers — BioCycle East Coast Conference 2014
bcec14

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.

Deadline Extended For CalRecycle’s Greenhouse Gas Reduction Organics Grant Program
CalRecycle

Applicants have an additional 4 weeks …

Covering Up Operations
Operators at the UConn Agricultural Waste Composting Facility have ample space within the ClearSpan fabric structure to maneuver a 17-foot wide Komptech windrow turner.

Fabric structures prove to be effective in enabling a controlled environment for composting facilities.
Nate Clark
BioCycle May 2014, Vol. 55, No. 4, p. 30

Florida County Taps Composting In Lagoon Remediation
An Algae Turf Scrubber (ATS) system cleans polluted water from the Lateral D Canal by pumping it over a sloping surface. Algae in the water attach to the ATS surface and grow, removing nutrients and other pollutants.

To help remediate Florida’s Indian River Lagoon — the most biologically diverse estuary in North America — an algal treatment system was installed, with algae harvested and composted.
Molly Farrell Tucker
BioCycle May 2014, Vol. 55, No. 4, p. 25

 

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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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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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Composting Roundup
Ranvinder (Rana) Bains of Bluebird Composting in Fulton, Missouri

BioCycle February 2014, Vol. 55, No. 2, p. 10

Heat Recovery From Compost
Figure 1. Flow diagram of UNH heat recovery system

New system installed at University of New Hampshire research farm captures both the thermal energy in the hot air generated by the composting process and in the water molecules of the vapor stream itself.
Matt Smith and John Aber
BioCycle February 2014, Vol. 55, No. 2, p. 27

Legal Perspectives On Odor Impacts
BioCycle February 2014

Washington State lawyer who works with both composting facilities and impacted neighborhoods explains the legal intricacies when it comes to off-site odors.
Katrina Mendrey
BioCycle February 2014, Vol. 55, No. 2, p. 30

The Compost Odor Wheel
Figure 1. Composting odor wheel

Katrina Mendrey
BioCycle February 2014, Vol. 55, No. 2, p. 34

Food Waste Composting At San Diego Hotels
The Lodge at Torrey Pines, as well as other hotels in the program, has been recognized under the City’s Annual Waste Reduction and Recycling Awards Program. Placement of the organics cart in the kitchen (above), as well as filled carts lined up for collection, are shown.

The city has assisted participant hotels in increasing their overall diversion rates — in some cases, by 400 percent or more.
Ana Carvalho
BioCycle January 2014, Vol. 55, No. 1, p. 28

Using Compostable Bags In Marine Mortality Composting
Figure 2. Temperature profile of test piles during the six-week compostable bag study

Experiment shows viability of using compostable bags to store and transport marine animal waste, thus reducing the biological hazards and other related complications associated with handling this material.
Mark. A. King, Michael Huitt and Michael S. Clark
BioCycle January 2014, Vol. 55, No. 1, p. 47

 

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