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Decarbonization · Ceramics & bricks

Decarbonizing ceramics & bricks: the honest pathway

Tunnel kilns and dryers run continuously and waste each other's heat when not integrated: the classic ceramics retrofit is kiln-cooling air re-used in the dryer. Process CO2 from carbonates in clay adds a floor that fuel switching alone can't remove.

Cost exposure

What one t product carries, 2026 → 2034

YearFree allocation (EU)Payable carbon costAnnual bill (per 100,000 t product)
202697.5%€0.48 / t product€48,375
203051.5%€9.38 / t product€938,475
20340.0%€19.35 / t product€1,935,000

At EUA €77.4 (11 Jun 2026) and ≈0.2–0.45 t CO2/t (tunnel-kiln products; EU BREF). EU ETS industry schedule; exporters under CBAM follow the mirrored phase-in. Power sectors pay 100% from day one.

The pathway, ranked

Reduction measures for ceramics & bricks

Kiln–dryer heat integration−15%
Kiln-car and kiln-shell insulation upgrades−8%
Fuel switch: biogas/syngas/H2-ready burners−60%
Fast-firing & load optimisation−10%
Heat pumps for dryers−20%

Indicative reduction potential of each measure against the relevant emissions share (sources: IEA industry roadmaps, sector associations — see each measure page). Measures stack but don't simply add.

The fast tonnes

Heat losses you can cut this budget year

Brick and tile works are small-plant territory where capital is scarce — which makes the no-capex measures decisive: kiln-car seal and insulation condition, hot-air duct lagging, dryer recirculation. EU producers face full ETS exposure with thin margins; the 2026–2034 cliff hits this sector's P&L hardest relative to profit.

Method: ASTM C680 / ISO 12241 surface energy balance — the same engine as our public calculators. Typical removable-insulation effect across hot-process plants: 2–5% of fuel-related CO2, payback up to 2 years.

Context

How ceramics & bricks compares (t CO2 per unit)

Hydrogen production9 t/t H2
Ammonia & fertilizers2 t/t NH3
Steel — BF-BOF (integrated)1.9 t/t steel
Aluminium1.6 t/t Al
Lime1.2 t/t lime
Petrochemicals1 t/t HVC
Power — coal0.95 t/MWh
Ceramics & bricks0.25 t/t product

Direct-emission intensities, typical published values per industry page — units differ by product; see each page for sources.

FAQ

Ceramics & bricks & carbon, answered

How carbon-intensive are bricks?
≈0.2–0.45 t CO2/t product. Modest per tonne, but margins are thin — the EU ETS phase-out bites harder here relative to profit than in steel.
What's the standard efficiency retrofit in ceramics?
Using kiln cooling-zone heat in the dryer — 10–20% fuel saving — plus duct/kiln-car insulation discipline.
Is hydrogen realistic for kilns?
H2-ready burners exist and pilots run; economics depend on local H2 price. Biogas/syngas blends are nearer-term for most plants.
How this page is built: heat-loss figures follow ASTM C680 / ISO 12241 (the method behind our public calculators); facility emissions from Climate TRACE & EU ETS verified data across 30,000+ industrial sites; the 2026–2034 schedule is Regulation (EU) 2023/956, not a forecast. Published by Inzonex — manufacturer of modular removable insulation (UK Patent GB2508992.1). Spotted an error? Tell us — we correct on evidence.
Source: Inzonex Carbon Hub — inzonex.co.uk/carbon · prices dated as shown on each figure · schedule per Regulation (EU) 2023/956 · indicative analytics, not compliance advice.