Decarbonising the chemical industry involves two distinct challenges.
The first is reducing the emissions associated with energy, heat and manufacturing processes. The second is replacing the fossil carbon embedded in chemical products themselves.
Electrification can help address the first. It cannot, on its own, address the second.
Packaging, textiles, tyres, construction materials and numerous chemical intermediates require carbon-containing molecules. The strategic question is therefore not simply how to remove carbon from industrial operations. It is where the material carbon should come from.
UPM’s latest account of its biochemical strategy illustrates one pathway: converting lignocellulosic biomass into chemical building blocks traditionally supplied by fossil feedstocks. The company describes separating biomass into streams such as sugars and lignin, then converting those streams into glycols, functional fillers and other intermediates.
The opportunity is substantial. The accounting test is equally important.
A product can contain renewable carbon without automatically having a lower lifecycle greenhouse-gas footprint. It can displace fossil feedstock without permanently removing carbon from the atmosphere. And it can meet sustainability sourcing requirements while still requiring scrutiny of energy use, land-system effects and end-of-life treatment.
For purchasers, “bio-based” should identify a feedstock characteristic—not substitute for an environmental assessment.
What is changing in the chemical value chain?
In its 9 October article, UPM describes renewable and circular carbon as a growing strategic consideration for chemical manufacturing. The company identifies lignocellulosic feedstocks including wood, sawmill residues, thinnings, industrial roundwood and other fibrous plant material.
These feedstocks are not interchangeable.
Their composition, availability, competing uses and processing requirements differ. So do the implications of sourcing them.
A sawmill residue may already have an established use in heat generation or another material product. Industrial roundwood may involve different forest-management and supply-chain questions. The designation “biomass” does not resolve those differences.
UPM points to two industrial examples:
Its Lappeenranta operation in Finland, which it says has produced renewable fuels and renewable naphtha from forestry residues for more than a decade.
Its Leuna facility in Germany, which it describes as an industrial-scale biorefinery dedicated to converting sustainably sourced forest biomass into chemicals for applications including packaging, textiles, rubber and construction.
These are company-reported examples of industrial development. They are not, by themselves, comparative lifecycle evidence for every resulting product.
Three claims that must remain separate
Procurement teams should distinguish three different propositions.
Feedstock substitution
A chemical contains carbon derived from biomass rather than oil, gas or coal. This describes the origin of the material input.
Lifecycle emissions reduction
The product has a lower greenhouse-gas footprint than a defined alternative when assessed using consistent boundaries and assumptions. This requires a comparative calculation.
Carbon removal
Atmospheric carbon has been removed and stored for a specified duration, with appropriate accounting and verification. This is a separate outcome.
Confusing these categories can create misleading claims.
A biomass-derived chemical may be a valuable substitute for a fossil-derived equivalent. But if its carbon is released at end of life, describing the product as permanent atmospheric removal would require a fundamentally different evidentiary basis.
The lifecycle boundary determines the result
The practical assessment should begin with the product and the decision being made.
A purchaser comparing two chemical intermediates needs to know whether the comparison covers equivalent functions, comparable product quality and the same lifecycle stages.
A useful assessment framework includes:
Assessment area | Questions for the supplier |
|---|---|
Feedstock | What material is used, where does it originate, and what traceability supports the sourcing claim? |
Manufacturing | What energy, chemicals and processing steps are included? |
Co-products | How are environmental burdens allocated among sugars, lignin, fuels and other outputs? |
Product function | Does the alternative meet the same specification, service life and processing requirements? |
Transport | Which collection, processing and delivery stages are included? |
Biogenic carbon | How are uptake, storage and eventual release represented? |
End of life | Are recycling, combustion or disposal assumptions realistic for the intended market? |
These are proposed due-diligence questions—not a claim that UPM’s products fail any of these tests.
Their purpose is to turn a broad feedstock narrative into a decision-grade comparison.
Carbon stored in a product is a timing issue as well as a quantity issue
The presence of biogenic carbon in a material can complicate interpretation of a product footprint.
An assessment may recognise carbon uptake during biomass growth and carbon release at later lifecycle stages. If a report stops at the factory gate, however, the reader must understand which future releases remain outside the reported boundary.
That makes disclosure essential.
A supplier should explain whether a reported figure includes:
Carbon uptake associated with biomass growth.
Carbon temporarily held in the product.
Manufacturing emissions.
Assumed end-of-life emissions.
Any separately reported carbon-storage benefit.
The central question is not whether biogenic carbon should be recognised. It is whether the treatment is transparent and appropriate for the claim.
A favourable cradle-to-gate result should not be presented as a complete cradle-to-grave outcome without further analysis.
Technical performance must be part of the comparison
UPM acknowledges that renewable chemicals enter markets with established performance requirements. Textile inputs must work within existing production processes, while materials for tyres, batteries and construction must satisfy demanding specifications.
This is a crucial industrial point.
A substitution that changes product life, processing yield, maintenance requirements or material consumption can change the environmental comparison.
For procurement teams, the functional unit should therefore reflect the service delivered—not merely the mass purchased.
The relevant question might be the quantity required to meet a performance specification, rather than a comparison of one tonne of each material.
Qualification testing and lifecycle assessment should inform each other. Neither should be treated as an isolated workstream.
Renewable feedstocks need a portfolio approach
UPM presents renewable carbon as an additional source alongside recycling, rather than a claim that recycling alone can satisfy rising material demand.
That framing is useful.
A credible industrial strategy should assess multiple pathways: reducing material demand, retaining products in use, recovering useful materials, substituting feedstocks and improving manufacturing efficiency.
Biomass-derived chemicals should compete on a transparent basis with these alternatives. Their role will differ by application, feedstock availability, product requirements and local infrastructure.
The objective is not to maximise the share of a particular feedstock category. It is to reduce environmental burdens while maintaining the required industrial function.
What purchasers should require
Before adopting a renewable-carbon chemical, purchasers should request:
A product-specific footprint with a stated lifecycle boundary.
A comparator using equivalent functionality and consistent assumptions.
Feedstock origin and traceability documentation.
Disclosure of co-product allocation methods.
Separate reporting of biogenic carbon and fossil emissions where relevant.
Evidence of technical qualification in the intended application.
Realistic end-of-life scenarios.
Clear wording for any downstream environmental claim.
These requirements can support innovation rather than obstruct it. Stronger evidence makes credible products easier to qualify, procure and communicate.
The industrial opportunity needs precise claims
Renewable carbon can help diversify chemical feedstocks and reduce reliance on fossil material inputs. UPM’s account shows that this discussion is moving beyond laboratory chemistry into established industrial value chains.
But the next stage should be judged through product performance and transparent lifecycle evidence.
“Renewable” answers where the carbon came from.
It does not, on its own, answer how much environmental impact the product avoids—or how long that carbon remains stored.