Engineered pyrolysis bio-oil for the circular carbon economy. Agricultural and biomass residues become a traceable renewable liquid resource for industrial heat, power, upgrading and future low-carbon fuel applications.
SPX-BIO-OIL™ is a family of biomass-derived pyrolysis liquids produced from agricultural and other approved biomass residues. The SPX system converts biomass through controlled thermal conversion and captures the resulting liquid fraction as bio-oil. Rather than treating all bio-oil as one product, SPX-BIO-OIL™ uses an application-oriented classification — each grade defined by its intended application, measured properties, traceability and digital product passport.
One biomass resource. Multiple products. Measured performance. Traceable origin.
Markets: Industrial Heat · Power · Upgrading · Chemicals · Future Low-Carbon Fuels
The final grade designation is assigned only after laboratory testing against the relevant product specification and intended application. ASTM D7544, for example, defines specifications for certain pyrolysis liquid biofuel applications and includes parameters such as water, solids, viscosity, density, sulphur, ash, pH and flash point.
Food processing, rice mills, textiles, paper, dairy, chemical and agro-processing industries depend on fossil fuel for process heat. Biomass residues are converted into pyrolysis liquid and evaluated for use in appropriately designed industrial combustion systems.
Pathway: Biomass residue → SPX-BIO-OIL → Industrial heat
Example product: SPX-BIO-OIL 40 / 50
Dryers, furnaces, thermal systems and industrial heaters are candidate applications where a liquid renewable fuel is technically suitable. The customer receives a Bio-Oil Compatibility Report with measured properties against the receiving equipment's requirements — never a generic suitability claim.
Pathway: Dryers → Furnaces → Thermal systems → Industrial heaters
Example product: Compatibility-tested grade
A future SPX-BIO-OIL pathway is the development of grades suitable for stationary engine or power-generation systems, subject to engine compatibility, upgrading and testing — presented as an R&D and qualification pathway, not a claim that every batch can run an engine.
Pathway: Agricultural waste → Pyrolysis → SPX-BIO-OIL 70 → Conditioning/upgrading → Stationary power system → Electricity
Example product: SPX-BIO-OIL 70
Rather than selling bio-oil only as a combustion fuel, selected grades can be developed for hydroprocessing, catalytic upgrading, fractionation, co-processing and renewable hydrocarbon development.
Pathway: Biomass → Pyrolysis → SPX-BIO-OIL → Upgrading → Hydrocarbon products
Example product: SPX-BIO-OIL 80 → 90 → 100
A dedicated development pathway investigates whether selected SPX-BIO-OIL streams can be upgraded into hydrocarbon intermediates suitable for SAF production — presented as a technology-development pathway, since SAF eligibility depends on feedstock, conversion route, specification and the applicable certification framework.
Pathway: Agricultural waste → Pyrolysis → SPX-BIO-OIL → Stabilisation/upgrading → Hydrocarbon intermediate → Further refining → SAF
Example product: R&D pathway
A similar pathway can be investigated for renewable hydrocarbon fuels, with the final fuel required to meet the relevant fuel specification and regulatory requirements.
Pathway: SPX-BIO-OIL → Upgrading → Hydrocarbon fractions → Fuel qualification → Renewable diesel / other low-carbon fuel applications
Example product: R&D pathway
Some bio-oils contain oxygenated organic compounds that may have potential as chemical feedstocks after appropriate separation and upgrading — a pathway beyond the conventional “bio-oil = fuel” market.
Pathway: SPX-BIO-OIL 90/100 → Fractionation → Chemical intermediates → Industrial materials/chemicals
Example product: SPX-BIO-OIL 90 / 100
SPX-BIO-OIL™ is one part of a wider NZLoop circular system — the economics do not depend on bio-oil alone.
Pathway: Agricultural residue → Pyrolysis → Bio-Oil + Biochar + Syngas → Industrial products + renewable energy + carbon management
Example product: Multi-product output
The digital passport connects feedstock, production, quality, batch, storage, customer, end-use and carbon data — giving buyers a structured digital record rather than only a conventional product datasheet.
Rice residue → collection → SPX processing facility → SPX-BIO-OIL + SPX-BIOCHAR + SPX-SYNGAS. Bio-oil goes to industrial application, biochar to soil/carbon, syngas to process energy.
Farmer registers through the rural network, residue is collected, biomass converts into SPX-BIO-OIL + SPX-BIOCHAR + energy, and the farmer participates in the circular economy through biomass income and soil-benefit pathways.
Equipment spec → candidate grade selection → laboratory analysis → compatibility assessment → controlled trial → performance monitoring → commercial supply qualification.
SPX-BIO-OIL™ does not claim that every grade can replace diesel, run an ordinary vehicle engine, is automatically refinery-ready, qualifies for SAF, or that every tonne generates a carbon credit.
SPX-BIO-OIL™ grades are application-specific products whose suitability is established through defined specifications, laboratory testing and customer qualification.
SPX-BIO-OIL™ is Soil Passport's engineered pyrolysis bio-oil product platform — fast pyrolysis converts biomass into a dense liquid, produced as a traceable family of application-specific grades rather than a single generic product.
Woody biomass and agricultural residue, processed through fast pyrolysis with rapid vapour condensation to maximise liquid yield.
SPX-BIO-OIL™ is produced across 8 application-specific grades, each with defined specifications established through laboratory testing and customer qualification.
Primary applications include renewable fuel blendstock and chemical feedstock, with potential applications in industrial heat, process energy and refining intermediates depending on grade and qualification.
Suitability for a given use is established through defined specifications, laboratory testing and customer qualification — we don't claim a grade is fit for a specific application until it has been qualified for that process.
A traceability record attached to each batch of SPX-BIO-OIL™, documenting feedstock source, conversion process and grade specification — backed by the Soil Passport™ digital passport infrastructure.
Use the Partner application on the Partners page to request a technical datasheet, discuss a pilot, or become an SPX-BIO-OIL™ partner.
Soil Passport™