By: Sumit Majumdar
By: Sumit MajumdarLimited Partner, Verite Capital Partners | President & CEO of Buffalo Biodiesel Inc.
Editor’s Prologue:
“Recently, I spoke with two former Supervisors of Evans, New York, Tom George and Mary Hosler, along with Bill Smith, the current Economic Development Director, about their municipality’s waste challenges. Universally, they pointed to one major culprit: wood waste. When processing clean hardwood, standard pyrolysis works beautifully to produce agricultural biochar. However, the municipal waste stream is an unsorted mix, heavily laden with pine. Pine, as it turns out, is an exceptional feedstock for Sustainable Aviation Fuel (SAF). To validate this, I consulted my long-time colleague, Professor Chandra Theegala—an engineering professor at LSU. We have collaborated on green energy and recycling projects in the past, including consulting work for the Petrobras biodiesel plant in Salvador, Brazil. Professor Theegala, who holds a foundational patent in gasification, confirmed that while SAF production is scientifically sound, the operational reality is plagued by tar. This mixed municipal feedstock is a chemical ‘mystery meat’; its volatile compounds rapidly shift, poisoning the reaction and producing prohibitive amounts of ash and viscous tar. Fortunately, pine is naturally low in ash, and the secondary thermal cracking of that troublesome tar yields precisely what we originally sought: premium biochar. We can solve the chemical poisoning while closing the loop. The solution exists. It is time to explore the thermochemical rabbit hole facing New York State and our Great Lakes neighbors.”
CHAPTER I: THE HIDDEN AVALANCHE OF PALLETS AND DEMOLITION WASTE
When the average citizen thinks of municipal solid waste, they rarely picture the structural lumber and industrial shipping pallets that dominate our landfills. Construction and Demolition (C&D) debris is indeed a massive contributor, but it is only the tip of the spear. We must look closely at industrial mill waste, sawdust, and manufacturing scrap. Lumber mills, furniture manufacturers, and pallet builders operate throughout Erie and Niagara counties. The milling process is notoriously inefficient; up to 40% of a raw log can become offcuts, chips, and sawdust.
This material is incredibly bulky, highly combustible, and unsuited for standard biological composting. The high lignin and antimicrobial resin content found in softwoods—specifically the pine predominantly used in framing and pallet construction—actively repels biological breakdown.
Currently, the default state-sponsored solution for this avalanche of pine and pallet waste is to grind it into mulch. However, this is an ecological and economic fallacy. Pine mulch is highly acidic; it leaches antimicrobial resins into the soil, rendering it hostile to many agricultural applications. Consequently, the demand for this mulch is vastly outpaced by its generation.
Municipalities across New York State spend an average of $30 to $50 per ton to grind this wood, only for it to sit in massive, unused piles at transfer stations. As these piles dampen from rain and snow, biological decomposition slowly begins in the core. This creates massive thermal runaway risks—leading to spontaneous combustion in municipal yards—and continuously vents carbon dioxide and methane as the oxygen-starved center of the pile goes anaerobic. Taxpayers are essentially funding the creation of rotting, highly combustible liabilities.
CHAPTER II: THE STATEWIDE ECONOMIC BURDEN
The regional generation of this waste directly correlates with industrial activity and housing development. Across New York State, the logistical nightmare of hauling and burying this material costs taxpayers millions of dollars annually in diesel transport and tipping fees. Landfill tipping fees in Western New York range from $65 to over $85 per ton. But the tipping fee is only half the story. Wood is bulky and lightweight, meaning it takes thousands of truckloads to move it.
When we break this down by county, the immediate pressure on local budgets becomes glaringly obvious. The top generators are locked into expensive, long-term hauling contracts just to move the problem out of sight, often to mega-landfills like Seneca Meadows.
CHAPTER III: THE METHANE LEDGER & THE 20-YEAR RULE
The true environmental crime occurs once the wood is buried. In the anaerobic tomb of a landfill, wood slowly decomposes over decades. This process yields landfill gas—a roughly even split of carbon dioxide and methane (CH4).
To truly understand the impact, we must evaluate the stoichiometry and the regulatory math of a single dry ton of mixed softwood. One dry ton of wood biomass contains roughly 1,000 pounds of elemental carbon.
When that ton is buried, a significant portion decomposes anaerobically. Historically, regulators judged the impact of greenhouse gases over a 100-year window (GWP100). But methane is a fast-acting, incredibly violent atmospheric heater. When evaluated under the 20-year rule (GWP20), methane traps roughly 80 to 84 times more heat than CO2.
According to EPA Waste Reduction Model (WARM) standards and modern GWP20 metrics, the active anaerobic decomposition of just one ton of dimensional lumber generates enough methane to equal approximately 4.2 to 5.0 tons of CO2 equivalent (CO2e) atmospheric damage over the critical 20-year horizon. By allowing hundreds of thousands of tons of wood to rot across New York State, we are actively supercharging near-term climate warming.
CHAPTER IV: THE SCIENCE OF THERMOCHEMICAL DIVERGENCE
To solve this, we must utilize advanced thermochemical processing. However, it is critical to understand the mechanical and chemical distinctions between pyrolysis and gasification, as they serve entirely different masters.
Pyrolysis happens in the complete absence of oxygen at moderate temperatures (typically 400°C to 600°C). Because the wood cannot ignite, its molecular bonds snap, yielding solid biochar, liquid bio-oil, and a small fraction of syngas. If you have uniform, clean hardwood, pyrolysis is a fantastic, straightforward method for creating agricultural biochar.
Gasification is a much more violent, high-temperature crucible (routinely exceeding 1,000°C). It introduces a heavily restricted, precisely metered amount of oxygen or steam—just enough to provoke partial oxidation but stop short of total combustion. The primary goal of gasification is to completely vaporize the carbon structure, maximizing the yield of synthetic gas (syngas), which is a highly energetic, volatile mixture of hydrogen (H2) and carbon monoxide (CO).
For the mixed, resin-heavy pine waste of Erie and Niagara counties, gasification is the optimal engine. It physically destroys the tough lignin and antimicrobial resins that choke biological digesters, converting the entire liability into a liquid fuel precursor via a robust, low-biological-tech thermal pathway.
CHAPTER V: FACT-CHECKING THE FISCHER-TROPSCH YIELDS
Once the syngas is generated and scrubbed, it enters the Fischer-Tropsch (FT) synthesis unit. The FT process uses a metallic catalyst (typically iron or cobalt) to restitch the carbon monoxide and hydrogen molecules into long-chain liquid hydrocarbons—specifically, Sustainable Aviation Fuel (SAF) and renewable diesel.
There is often confusion regarding the exact volumetric yield of SAF per ton of wood waste. Theoretical chemical limits can suggest yields approaching 80 gallons per ton. However, operational realities—particularly when dealing with high-tar municipal waste and the necessity of tail-gas recirculation—lower this net yield.
We must rely on validated institutional science. According to the National Renewable Energy Laboratory (NREL) technical report “Techno-Economic Analysis of Biomass-to-Liquids Production Based on Gasification” (NREL/TP-5100-60419), the baseline operational yield for advanced gasification coupled with Fischer-Tropsch synthesis is approximately 53 to 55 gallons of neat liquid hydrocarbon fuel per dry U.S. ton of woody biomass.
Therefore, we calculate a conservative, highly defensible operational yield of 50 gallons of neat SAF per dry ton of diverted municipal softwood waste.
CHAPTER VI: TAMING THE “MYSTERY MEAT” CRUCIBLE
As Professor Theegala pointed out, the theoretical chemistry of gasification is pristine; the physical reality is a nightmare of maintenance and contamination. When gasifying municipal waste, the facility must gracefully manage three highly aggressive byproducts: tar, tail gas, and wood vinegar.
The primary vapor—syngas—is routed to the Fischer-Tropsch reactor, but the reaction is not 100% efficient. The unreacted gases, known as tail gas, are captured and reused to power onsite turbines, allowing the facility to operate off-grid.
Heavy tar vapors form as the gas cools and must be managed carefully. Instead of being discarded, this tar is routed into a secondary thermal cracking system, where it is converted into stable biochar—solving contamination issues while creating a valuable agricultural product.
Moisture in the feedstock condenses into wood vinegar, a complex liquid containing acetic acid and organic compounds. Once refined, it can be used as a biostimulant, pesticide, or fertilizer enhancer.
Finally, the process produces inorganic ash, which is rich in alkaline minerals. This ash can be used to stabilize pH levels in anaerobic digesters, linking multiple renewable systems into a circular loop.
CHAPTER VII: GLOBAL PRECEDENTS AND VALIDITY
The concept of converting mixed wood waste into aviation fuel is already being deployed globally. Scandinavian countries use thermochemical systems for energy and syngas production, while companies in Canada and the UK are actively scaling similar technologies.
The aviation industry is aggressively seeking Sustainable Aviation Fuel. Under international carbon regulations, airlines are required to reduce emissions, and SAF derived from waste wood offers a significant advantage by avoiding methane emissions, resulting in a net-negative carbon intensity.
CHAPTER VIII: THE BROWNFIELD BLUEPRINT
Executing this vision requires scale and strategic placement. Brownfield redevelopment provides the ideal solution, particularly in Western New York, where legacy industrial sites already possess the infrastructure needed for large-scale operations.
These sites offer existing rail, power, water, and zoning advantages, drastically reducing development costs. By integrating onsite turbine systems powered by tail gas, facilities can operate independently of the grid while revitalizing dormant industrial land.
CHAPTER IX: FUELING OUR OWN SKIES
A major weakness in renewable fuel systems is the carbon cost of distribution. Transporting fuel long distances undermines its environmental benefits.
fWestern New York has a unique advantage: localized demand. By situating facilities near transit corridors, SAF can be delivered directly to Buffalo Niagara International Airport and Niagara Falls International Airport, creating a closed-loop regional system.
This approach eliminates transport penalties, strengthens the regional economy, and positions Western New York as a leader in decarbonized aviation.
CONCLUSION: THE CRUCIBLE OF TOMORROW
The wood waste crisis in New York is not a technological failure—it is a failure of integration. The materials currently treated as liabilities are, in fact, the exact inputs needed for a high-value, negative-carbon system.
Through gasification, brownfield redevelopment, and localized fuel distribution, it is possible to transform waste into a cornerstone of regional economic and environmental progress. The solution is not theoretical—it is ready.
About the Author:
Sumit Majumdar is the President of Buffalo Biodiesel Inc. and a Limited Partner/Lead Advisor for Energy and Agriculture at Verite Capital Partners. For over 20 years, he has been a leading voice in the fight against climate change, specializing in practical solutions for reducing carbon and methane emissions through sustainable fuel technology and industrial oversight.
