Coralia Advances Biochar Concrete Research to Tap Data Centre Decarbonisation

Biochar Meets Concrete in Data Centre Decarbonisation Drive

Coralia, the biochar subsidiary of NoviqTech Limited (ASX:NVQ), has formalised a research partnership with Swinburne University of Technology to advance biochar applications in low-carbon concrete, with a specific eye on data centre infrastructure. This collaboration targets a critical pain point: cement production, responsible for roughly 8% of global CO2 emissions, and concrete’s outsized role in data centre construction, where it can account for up to 40% of materials used.

The timing is no coincidence. Australia’s data centre capacity is projected to more than double by 2030, requiring an estimated $26 billion investment. Coralia’s partnership with Swinburne is designed to position the company at the nexus of carbon removal and infrastructure decarbonisation, leveraging biochar both as a carbon removal credit generator and as a physical additive to reduce embodied carbon in concrete.

Phase 1 Research Targets Invasive Biomass and Non-Structural Applications

The initial phase will assess biochar derived from invasive Chinese apple tree biomass (Ziziphus mauritiana) for use in non-structural concrete and landscaping products. Swinburne will lead rigorous feedstock characterisation, mix design, durability testing, and environmental assessments, including under tropical and coastal conditions relevant to Australian construction sites. The research will also align with Australian Standards such as AS/NZS 4455.2 to ensure regulatory compliance.

This cautious, staged approach reflects the challenges of scaling biochar integration into structural concrete, especially for demanding data centre builds. However, the focus on non-structural applications offers a practical entry point to build performance data and market acceptance. Coralia plans to seek concrete industry partners for commercial trials following Phase 1, alongside applying for grants to accelerate development.

Dual Revenue Model Bridges Carbon Markets and Construction Supply Chains

Coralia’s strategy hinges on a dual revenue stream: selling high-integrity biochar carbon removal credits and developing physical biochar products to reduce embodied carbon in construction materials. This dual pathway aims to capture value from both the burgeoning carbon credit market and the growing demand for low-carbon construction inputs, particularly in data centres and digital infrastructure.

Biochar’s stable carbon structure offers long-term sequestration potential, while its incorporation into concrete can reduce emissions associated with cement. Early applications in landscaping and civil works, where engineering requirements are less stringent, may pave the way for eventual structural uses. This mirrors other industry pilots like Holcim’s biochar-enhanced housing prototype showcased at the Venice Biennale of Architecture.

Coralia’s approach complements its broader biochar initiatives, including its Great Barrier Reef carbon removal project. This research partnership follows closely on the heels of Coralia’s strategic memorandum of understanding with A Healthier Earth, which secures a long-term offtake for at least 70% of biochar carbon removal credits from its Queensland operations, underscoring the growing commercial momentum behind its biochar ambitions.