In this presentation, researchers chart the progress of a project focused on developing a system for in situ biogas upgrading via biological conversion of CO2 to CH4. The goal is to convert CO2 in biogas to high-quality renewable natural gas (RNG) meeting pipeline specifications. Tasks include technical verification, biological CO2 conversion with membrane-assisted H2 delivery, […]
By Doug Durante, Executive Director, Clean Fuels Development Coalition and Doug Sombke, President, South Dakota Farmers Union Special to The Digest As usual there is a lot of angst in middle America these days with uncertainty over RFS volumes, small refinery waivers, bird flu, budget cuts, and looming trade wars. But the greatest threat is […]
This presentation by Lutgarde Raskin from the University of Michigan describes a project developing an integrated biochemical and electrochemical technology (IBET) system to reduce the production cost of renewable biomethane by at least 25%. The three components of the system have been built and achieved most of their performance targets. Model and control strategy development […]
This presentation by Lance Schideman from the University of Illinois at Urbana-Champaign, focuses on a cloth filter anaerobic membrane bioreactor (CFAnMBR) for municipal wastewater treatment. The CFAnMBR technology achieves high flux with low cleaning energy, resolving major limitations of mainstream anaerobic digestion. The system results in net energy production, eliminating aeration needs but requires optimization […]
This presentation by Shulin Chen of Washington State University aims to reduce the production cost of pure biomethane derived from waste through an intensified anaerobic digestion (AD) system. The IVAD system integrates a hydrothermal reactor, a hyperthermophilic anaerobic acidification reactor, and a pressurized thermophilic anaerobic methanogenesis reactor to improve digestibility and methane purity. The project […]
This presentation from the ABLC Connect series on Digest TV assesses the current state of advanced biorefinery technologies and projects, highlighting both the positive aspects, such as high demand for carbon-negative energy, and the challenges, including expensive cleaning processes and slow feedstock owner adoption. The document points to huge growth potential for the industry, driven […]
This presentation by Steve Weiss, co-founder and CEO of Grey Heron, focuses on the critical importance of securing offtake agreements for building successful biofuel plants. Offtake agreements are legally binding contracts that guarantee the sale of a plant’s output, ensuring a steady revenue stream. The author emphasizes that offtake agreements are crucial for attracting financing, […]
By Altain J. Chombe Special to The Digest A Tale of Two Entrepreneurs On a crisp autumn morning in 1995, two ambitious young professionals began their first day at a great Fortune 100 oil company. Both were filled with determination, eager to carve out a future in the evolving world of energy. One saw opportunity […]
This presentation deck outlines a plan for a new sugarcane ethanol and power plant in Imperial County, California. The project, known as Sugar Valley Energy, will produce 76 million gallons of ethanol annually with a low carbon intensity score of 11. This ethanol will be used to produce sustainable aviation fuel (SAF) and renewable diesel, […]
This presentation from the ABLC Connect series on Digest TV assesses the current state of biogas and RNG technologies and projects, highlighting both the positive aspects, such as high demand for carbon-negative energy, and the challenges, including expensive cleaning processes and slow feedstock owner adoption. The document points to huge growth potential for the industry, […]
