The Spanish oil and gas company Petronor announced late last week that it will soon begin construction on a facility that will manufacture synthetic carbon-negative aggregate. The plant is being developed as part of joint venture with O.C.O Technology, a sister company to the British waste management business Grundon. The "Biscay Eco Aggregates" joint venture's planned facility in the Port of Bilbao would cost around €20m, said O.C.O in a separate statement. Commissioning is expected in early 2026.
The facility is to be based on O.C.O's patented "accelerated carbonation technology" (ACT) which incorporates wastes, such as air pollution control residues (APCr) from waste to energy (wte) plants, and binds CO2. The resulting light-weight aggregate product is marketed as "manufactured limestone" and can be used in construction. On its home market of the UK, its share of the APCr treatment market stands at over 30 per cent, and it was partnering with additional waste incineration plant operators ....
