Biogas-To-RNG Project Developer Is Ready To Move The Needle

BioCycle interviewed Bob Powell, founder and CEO of Brightmark, about his company’s growth trajectory in the anaerobic digestion and RNG space.
Nora Goldstein

Compostable Resins Company Celebrates 30th Year

Novamont, based in Novara, Italy, is celebrating its 30th anniversary. The bioplastics company, which creates biochemicals and bioproducts, focuses on the integration of chemistry, agriculture and the environment.

Biomethane Usage Grows In Europe
Biomethane use in Europe

The natural gas vehicle fleet in Europe is running with 17% biomethane on average, reports the Natural & bio Gas Vehicle Association (NGVA Europe).

Depackaging And Digestion Demo In California
Smicon depackaging hopper (left), mobile, skid-mounted digesters (right)

A multiyear food waste-to-energy demonstration project in Goleta, California has been evaluating a source separated organics (SSO) food waste depackaging system followed by anaerobic digestion (AD) of the slurried organics.

Connections: What’s Cooking?
Sally Brown

Finding the ingredients to make a potting mix that plants will love from Class A digested biosolids entails trying a range of recipes, sniff tests and parameter measuring.
Sally Brown

Natural Gas Utility Announces New Source Of RNG

FortisBC, a natural gas utility in British Columbia (BC), has a “30BY30” target to reduce its greenhouse gas emissions by 30 percent by 2030.

California’s SB 1383 Compost And Mulch Procurement Factsheets

The regulations for California Senate Bill 1383 (SB 1383), the Short-Lived Climate Pollutants Reduction Act, are in the final public comment period, established to review “nonsubstantive” changes that do not impact the scope of the regulations.

Market Opportunities For Biosolids

A new study, “North American Biosolids Management Market, Forecast to 2024,” examines growth opportunities for biosolids products.

AgSTAR’s New Digester Project Development Handbook
AgSTAR’s New Digester Project Development Handbook

Hot off the “press,” AgSTAR’s updated handbook is a comprehensive compilation of the latest knowledge in the industry on best practices for anaerobic digestion and biogas systems.
Nick Elger and Vanessa McKinney

Letter From Scotland: COVID-19 Impact On AD Sector
Robin Szmidt

Robin Szmidt, Director of Target Renewables, writes the BioCycle Community from his home in Scotland.

Digesting Dumped Milk, RNG For Sea-Tac
Dairy cow milking

The last week has been chock full of anaerobic digestion and biogas news. This roundup includes tips for adding COVID-caused unsold milk to digesters and the latest on a major airport becoming a major RNG offtaker.
Nora Goldstein

Market Opportunities for Anaerobic Digestion In India
Market Opportunities for Anaerobic Digestion of Livestock and Agro-Industrial Waste in India

Under the auspices of the Global Methane Initiative, U.S. EPA developed a report, “Market Opportunities for Anaerobic Digestion of Livestock and Agro-Industrial Wastes in India,” to help inform project developers, policymakers, and other interested stakeholders about the potential for biogas capture and use in India.

International Outlook For Biogas, Biomethane

A new International Energy Agency (IEA) study provides estimates of the sustainable potential for biogas and biomethane supply based on a detailed assessment of feedstock availability and production costs across all regions of the world.

BPI, AgSTAR Announcements
BPI, US EPA AgSTAR

The Biodegradable Products Institute’s (BPI) Stakeholder Members are entities with an interest in BPI’s mission and the broader effort to keep organics out of landfills, but who don’t currently certify materials, products or packaging.

COVID-19 Resources For Organics Recycling Operations
Coronavirus

Ireland’s Cré, the Mid-Atlantic Biosolids Association (MABA), and the US Composting Council (USCC) provided their members with links to valuable guidance for managers and employees of composting and anaerobic digestion facilities, wastewater treatment plants, and biosolids recycling programs. We’ve compiled them for easy access.

Biomethane Pathway To 2030
Biomethane: The Pathway To 2030

Charlotte Morton, Chief Executive of the United Kingdom’s Anaerobic Digestion and Bioresources Association (ADBA), wrote the following in the foreword to “Biomethane: The Pathway To 2030,” an ADBA report released in early March: “Time and time again, prominent organizations with the ear of our government have highlighted biomethane’s vital role in the [current] decade of decarbonization.

ISWA Global Assessment Of Municipal Organics
Estimated quantities of MSW produced per capita per day and the contribution of mega cities

The International Solid Waste Association’s Working Group on the Biological Treatment of Waste (WGBTW) released the Global Assessment Of Municipal Organic Waste Production And Recycling in mid-March, authored by Marco Ricci-Jürgensen, Jane Gilbert and Aditi Ramola. The report summarizes global estimates of the amount of organic solid wastes produced — principally from municipal origin — and separately collected (source segregated) and treated through a composting and/or anaerobic digestion process.

Biogas, Compost In Proposed Ag Resilience Act
Congresswoman Chellie Pingree (D-Maine)

On Feb. 26, 2020, Congresswoman Chellie Pingree (D-Maine) introduced the Agriculture Resilience Act (ARA), comprehensive legislation that sets a vision of reaching net-zero greenhouse gas (GHG) emissions in U.S. agriculture by the year 2040.

Seeking Farmer Perspectives On AD
Survey on “Farmer Perspectives & Investment in Anaerobic Digestion

Risa Lewis, an undergraduate in the College of Agriculture, Health and Natural Resources program at the University of Connecticut, has focused her senior thesis on on-farm anaerobic digestion in the Northeastern United States. A component of Lewis’ thesis is to conduct a survey on “Farmer Perspectives & Investment in Anaerobic Digestion”.

RNG Fueling On The Grow
Emission calculator

Clean Energy Fuels Corp. delivered 143 million gallons of Redeem™ Renewable Natural Gas (RNG) in 2019, due in part to a number of corporate and municipal contracts. Redeem is derived from capturing biogenic methane produced by landfills and anaerobic digesters at dairies and wastewater treatment plants. In 2019, Clean Ene

Connections: Compost And Methane Avoidance
Sally Brown

How compost earned its #60 ranking in Drawdown. Part II
Sally Brown

Economics Of Advanced Biofuels
Advanced Biofuels — Potential for Cost Reduction

IEA Bioenergy’s new report, “Advanced Biofuels – Potential for Cost Reduction,” acknowledges the gap between the cost of the advanced biofuels and current fuel prices, and explains how this gap can be reduced in the medium term through process improvements in designing, building and operating plants, financing costs reduction, and technology learning.

Potential Game-Changer For RINs “Waivers”

Avalanche of small refinery RFS economic hardship “waivers” may be coming to an end after court ruling.
Michael H. Levin

Growing The Dairy Biogas-To-RNG Supply
Construction Vanguard Renewables Farm Powered Anaerobic Digester

Strategic partnership between Dominion Energy and Vanguard Renewables to build dairy digesters to produce RNG.
Nora Goldstein

Anaerobic Digest
Two-Stage Linear Vortex™” digester at Prairies Edge Dairy Farms in Fair Oaks, Indiana

• Indiana Dairy Farm Updates Its Digester System
• Parity For Biogas

Anaerobic Digest

• Pennsylvania WWTP Fills Food Waste Recycling Demand
• Unlocking Global Biogas Potential
• RNG Supply Assessment

Composting And Anaerobic Digestion Infrastructure Investment Insights
Atlas truck

Infrastructure news in December 2019 highlights organics recycling opportunities.
BioCycle December 2019

Anaerobic Digest
Total capacity for processing food waste and total amount of food waste processed by digester type

BioCycle November/December 2019

Successful Business Strategies For Codigestion At WRRFs
The Victor Valley Water Reclamation Authority (digesters shown) has used public-private partnerships for both of its energy development projects.

New report’s primary focus is on codigestion strategies that water resource recovery facilities can develop to create value, and to manage the associated financial risks.
Carol Adaire Jones
BioCycle November/December 2019

Connections: Collective Goodness
Sally Brown

Sally Brown
BioCycle November/December 2019

Anaerobic Digest
BioEnergy DevCo’s first project: BTS anaerobic digestion system at the Maryland Food Center in Jessup, Maryland.

BioCycle September/October 2019

Evolution Of A Food Waste Digester
North State Rendering Co., Inc.’s (NSR) anaerobic digestion facility produces RNG for vehicle fuel (left). NSR has accepted clean high strength organics streams (middle) for a number of years, and recently installed a depackager to increase its ability to process packaged food waste (right).

A digester built in 2012 by a rendering company to process its residuals is evolving into a merchant facility to manage all types of food waste streams.
Nora Goldstein
BioCycle September/October 2019

Biological Recycling Of Biodegradable Plastics
Test for biodegradation of biodegradable polymer molecules being conducted at the OWS, Inc. laboratory.

To meet demand for organics recovery and reduced plastic waste, biodegradable plastics will be an increasing part of the future. Biological recycling infrastructure must be ready to respond.
Norma McDonald
BioCycle September/October 2019

Closed Loop AD Solution For Cane Sugar Industry
Figure 1. Effect of organic loading on gas production

Research identifies process to make cellulose in tightly bonded lignocellulosic bagasse and cachaza substrates available to microorganisms for anaerobic degradation, without expensive pretreatment.
Avijit Dasgupta
BioCycle September/October 2019

EPA Rule Not Great For Clean Power
BioCycle Energy

EPA’s Affordable Clean Energy Rule may drastically reduce environmental compliance flexibility — and revenues for anaerobic digestion projects.
Michael H. Levin
BioCycle September/October 2019

Anaerobic Digest
Dane County (OH) Landfill RNG Facility (a BioCycle REFOR19 Site Tour)

BioCycle August 2019

BioCycle Trailblazer: Tatjana (Tanja) Vujic, Director of Biogas Strategy, Duke University
Tatjana (Tanja) Vujic

BioCycle August 2019

Anaerobic Digest
BioCycle REFOR19 Conference Site Tours

BioCycle July 2019, Vol. 60 No. 5, p. 16

Composting And AD In California
Composting and Anaerobic Digestion

Recent survey of large, operating composting and anaerobic digestion facilities sheds light on the state’s capacity to process the increasing flow of diverted organics.
Nora Goldstein
BioCycle July 2019

State Of Play In Renewable Fuels Market
BioCycle Energy

New report projects sharply increased biogas demand and supply that could benefit anaerobic digester (AD) developers — amid tensions that may undercut its forecasts.
Michael H. Levin
BioCycle July 2019

Anaerobic Digest
Smithfield Foods, Inc. and Roeslein Alternative Energy (RAE) announce joint venture: Monarch Bioenergy. Partnership will produce RNG from Missouri hog farm manure, deliver ecological services and develop wildlife habitat for monarch butterflies.

BioCycle May/June 2019

Small-Scale Dairy Digester Fits The Bill
Allen Farms installed an anaerobic digester consisting of two fermentation vessels. Manure, used bed pack and crop residues from the 130-cow dairy operation are processed.

Wisconsin farm digester processes 82 percent manure, 12 percent bed pack/manure, and 6 percent food waste.
Dan Emerson
BioCycle May/June 2019

Anaerobic Digest

BioCycle March/April 2019

Biogas To RNG Projects: What, Why And How
Figure 2. Greenhouse gas emission reduction by fuel type

With prices for renewable electricity low in many states, biogas producers are turning to the renewable natural gas marketplace. This road map is a valuable navigation tool.
Brad Pleima
BioCycle March/April 2019

101 For Low Carbon Fuel Standard
In-state RNG projects, such as this anaerobic digestion facility in South San Francisco, are eligible under the LCFS for either self-use, direct sale as a conventional fuel replacement, or by injecting into a pipeline and demonstrating RNG use as a vehicle fuel.

California’s Low Carbon Fuel Standard, which grew out of the state’s Global Warming Solutions Act, is stimulating markets for biogas, including renewable natural gas.
Paul Greene
BioCycle March/April 2019

2019 Renewable Fuel Standard Update

Three associations, including the American Biogas Council, filed a petition in February to activate the renewable electricity pathway of the RFS.
Maureen Walsh
BioCycle March/April 2019

Toronto Advances RNG Projects
The City of Toronto’s Dufferin anaerobic digestion facility generates over 5 million cubic meters/year of biogas and is scheduled to begin injecting RNG into the Enbridge pipeline by early 2020.

Biogas produced from anaerobic digestion of residential organics is on track to be upgraded to renewable natural gas via partnership with gas utility.
Peter Gorrie
BioCycle March/April 2019

Maryland Nutrient Trading Update
The final rule bars direct trades between wastewater treatment plants (WWTP) as a means to avoid new pollution “hotspots” and requires a tighter WWTP “performance baseline” for trades of credits from WWTPs to other sources.

Recent developments in the state of Maryland show that progress can be a work in progress.
Michael H. Levin
BioCycle March/April 2019

Anaerobic Digest
Rio de Janeiro City Company of Urban Cleaning's pilot anaerobic digestion plant.

BioCycle February 2019

Deep Dive Into Danish Biogas
Biogas became a political priority in Denmark as a means to control agricultural waste management problems and provide a flexible renewable energy product. (Photo on left, taken at Nature Energy Månsson biogas plant in Brande.) Receiving hall for deep litter (non-liquid manure) at the Midtfyn Biogas Plant (right).

The state of biogas in Denmark has been driven by economies of scale, standardized designs, buy-in from farmers and, not least, strong, bipartisan policy support.
Louise Hansen, Robert Spencer and Tony Barbagallo
BioCycle February 2019

Biogas Research And Development In Denmark
The AD facility at Aarhus University, built by Xergi in 2007, is scaling up to manage 85,000 tons/year of mixed organics.

An important factor in developing new technologies at the university is the link to private companies able to commercialize and bring them to market.
Claus Mortensen and Ole Trudslev
BioCycle February 2019

Something Is Very Right In Denmark
Trucks, each carrying 9,000 gallons of manure, connect to massive pumps and point source odor control equipment to offload into holding tanks. The trucks are cleaned and washed, then reloaded with liquid digestate.

A California Energy Commission policy advisor assesses applicability of Danish renewable gas infrastructure and economics to achieving the state’s greenhouse gas reduction goals.
Tim Olson
BioCycle February 2019

Anaerobic Digest

BioCycle January 2019

Smithfield Foods Goes Big On Biogas
Preconditioned biogas from the farms is routed to Optima KV’s central gas clean-up facility (above) on Smithfield Foods’ property. The cleaned biomethane is pressurized to pipeline standards and sold to Duke Energy.

A commitment to anaerobic digestion on 90 percent of its hog finishing farms in 3 states was followed by formation of a joint venture with Dominion Energy, called Align Renewable Natural Gas.
Nora Goldstein
BioCycle January 2019

Digester Developer Finds Sweet Spots
Aerial photo of Crescent Farm facility.

Vanguard Renewables uses an “everybody wins” approach as it builds, owns and operates anaerobic digesters on dairy farms to process food waste and manure.
Nora Goldstein
BioCycle January 2019

Anaerobic Digest
Vanguard Renewables named 2018 Organics Recycler of the Year by NWRA

BioCycle November/December 2018

Upgrading Treatment Plant To Energy Net Zero
Scrubbing system (above) removes hydrogen sulfide, moisture and then siloxanes from the biogas prior to being used by the cogeneration engines. Pump trucks offload fats, oils and grease (FOG) into large storage containers (left). FOG is slowly injected into the digesters.

The City of Gresham, Oregon wastewater treatment plant generates about 10 percent more electricity than it needs via a combination of energy efficiency, codigestion and cogeneration, and a solar array.
Gregg Hayward
BioCycle November/December 2018

Anaerobic Digest

BioCycle October 2018

Food Manufacturer Gains Treatment Flexibility
The anaerobic wastewater system receives an average of about 200,000 gallons/day of food processing residuals. The system can handle swings in production.

K.B. Specialty Foods’ new anaerobic wastewater system upgrade adds “ease of operation” to food manufacturing plant.
Dan Emerson
BioCycle October 2018

Anaerobic Digestion Of Aquaculture Organics
Salmon waste (top, right) is fed into an ensiling tank (center) equipped with an 18.5 kW stainless steel long shaft chopper pump (bottom, right). The “smooth purée” is then discharged into the pasteurizer.

Scottish waste authority recently installed a pasteurization system to enable it to accept salmon waste — and meet the UK’s Animal By-Product regulations.
Chris French
BioCycle October 2018

Anaerobic Digest

BioCycle September 2018

Federal Biogas Policies Update
Federal Biogas Policies Update

The 2018 Farm Bill Reauthorization, U.S. EPA renewable fuel targets, and carbon utilization are among the legislative and federal agency activities in 2018.
Maureen Walsh
BioCycle September 2018

Fate Of Compostable Bags In Digester Field Trials
Compostable plastic film fragments sorted out from biowaste and cleaned prior to analysis.

Certified biodegradable and compostable bags containing municipal biowaste were processed at four German facilities with AD and composting systems.
M. Kern, T. Turk, A. Hüttner and U. Koj
BioCycle September 2018

Technology Combo Yields RNG And Compost
Leachate from the dry AD tunnels is collected and put into the wet AD tank along with any liquid organics that Surrey Biofuel receives.

The Surrey Biofuel facility employs wet and dry anaerobic digestion, and tunnel composting, to manage municipal and commercial organics.
Peter Gorrie
BioCycle September 2018

Moving The Biogas Needle In North Carolina
A microgrid pilot project was installed at Butler Farms, a hog producer with an anaerobic digester. Components include a battery system and controller (below), solar panels, a diesel generator and a biogas-powered generator.

Could this state serve as a national model for how to catalyze the biogas economy?
Nora Goldstein
BioCycle September 2018

Anaerobic Digest

BioCycle August 2018

Investment Tax Credits For AD Projects
Investment Tax Credits For AD Projects

New Internal Revenue Service guidance on “begin construction” has takeaways for biogas-to-electricity and other ITC-eligible projects.
Michael H. Levin
BioCycle August 2018

Anaerobic Digest

BioCycle July 2018

Codigestion Of Food Waste In The U.S.
Figure 1. Top five feedstocks accepted by digesters taking food waste by digester type (2015)

U.S. EPA survey of operators of anaerobic digestion facilities that accept food waste provides a national picture of total processing capacity, tons processed, and biogas produced.
Nora Goldstein
BioCycle July 2018

Anaerobic Digest
AD facilities processing food waste in U.S.

BioCycle June 2018

Swine Manure To Biomethane
Digester at Optima KV in North Carolina

The newest project to come on line in North Carolina collects biogas from 5 hog farm digesters and conditions it for pipeline injection.
Craig Coker
BioCycle June 2018

Malt Producer Closes Loop With Digestate
A 3-tank pasteurization system with tube-in-tube heat exchangers facilitates final treatment of the digestate, used as a biofertilizer.

Sixty percent of Muntons’ supply chain carbon footprint is attributed to artificial fertilizer used by its barley growers. The solution? Convert its liquid malt waste into biofertilizer.
Richard Crowhurst
BioCycle June 2018

Anaerobic Digest
Stratford, Ontario Water Pollution Control Plant now featuring codigestion

BioCycle May 2018

Facilitating Food Waste Digestion
Dry fermentation digester at Blue Line Transfer processes about 11,000 tons/year of residential and commercial food waste and green waste.

Increasing volumes of commercial food waste, much of it contaminated or packaged, led digestion facility in South San Francisco to install a depackaging unit.
Nora Goldstein
BioCycle May 2018

Nutrient Credits Start To Surge
Chesapeake Bay Nutrient Credits

Nutrient credit initiatives are proceeding with relative speed in several states. This could be good news for anaerobic digestion projects.
Michael H. Levin
BioCycle May 2018

Anaerobic Digest
European Biomethane Map 2018

BioCycle March/April 2018

California Launches Its Organics Revolution
Left: Scott Smithline, Director, CalRecycle Right: Ken DaRosa, Chief Deputy Director, CalRecycle

The Director and Chief Deputy Director of CalRecycle explain scope of state’s landmark new climate law and describe creative solutions that are key to its success.
Scott Smithline and Ken DaRosa
BioCycle March/April 2018

Pipeline Injection Of Biomethane In California
Biogas is conditioned at the CR&R anaerobic digestion facility in Perris (CA) and then transported about 1.4 miles via a high-pressure steel pipe (shown here) to the SoCalGas interconnection “point of receipt” (see next photo).

Funds are available for project developers, and low carbon fuel market incentives are attractive. Will this lead to more RNG being injected into California’s gas pipelines?
Craig Coker
BioCycle March/April 2018

Codigestion At Water Resource Recovery Facilities
Figure 1. Food waste receiving and processing system at Central Marin Sanitation Agency (CMSA).

In California, WRRFs have capacity to help provide food waste recycling infrastructure. Elsewhere in the U.S., facilities are ramping up to codigest these high strength feedstocks.
Nora Goldstein
BioCycle March/April 2018

Recovering Nutrients In Digested Dairy Manure
Figure 1. Treatment phases (top row) and nutrient content changes in effluent stream (bottom row) at Edaleen Dairy

Further separation concentrates nitrogen and phosphorus in the solids. The liquid “tea water” contains mainly dissolved solids, including ammonia and potassium.
Peter Gorrie
BioCycle March/April 2018