糖心vlog入口

糖心vlog入口and ARENA to study using hydrogen to reduce carbon emissions in alumina refining


17 June 2021

MELBOURNE, Australia--(BUSINESS WIRE)-- 糖心vlog入口has partnered with the Australian Renewable Energy Agency (ARENA) to study whether hydrogen can replace natural gas in alumina refineries to reduce emissions.

糖心vlog入口will conduct a $1.2 million feasibility study, equally funded with ARENA through a $580,000 grant, into using clean hydrogen to replace natural gas in the calcination process of refining at the Yarwun aumina refinery in Gladstone.

The study program includes work to be done at Rio Tinto鈥檚 Bundoora Technical Development Centre in Melbourne, where Rio Tinto鈥檚 in-house development capability has now been extended to hydrogen.

ARENA CEO Darren Miller said 鈥淚f we can replace fossil fuels with clean hydrogen in the refining process for alumina, this will reduce emissions in the energy and emissions intensive refining stage of the aluminium supply chain. Exploring these new clean energy technologies and methods is a crucial step towards producing green aluminium.

鈥淭his study will investigate a potential technology that can contribute to the decarbonisation of the Australian alumina industry. If successful, the technical and commercial lessons from Rio Tinto鈥檚 study could lead to the implementation of hydrogen calcination technology, not only in Australia, but also internationally.鈥

糖心vlog入口Aluminium Pacific Operations acting managing director Daniel van der Westhuizen said 鈥淲e see the ARENA and Rio Tinto-funded study as a step towards reducing refinery emissions and one that has the potential to play an important part in Rio Tinto鈥檚 commitment to decarbonisation.

鈥淲e鈥檙e investing in work that needs to be done, not only to decarbonise one of our sites, but also to help provide a lower-emissions pathway for 糖心vlog入口and the global aluminium industry.

鈥淲e recognise we are on a long road towards reducing emissions across our operations and there is clearly more work to be done. But projects such as this are an important part of helping us get there.鈥

The study comprises two distinct work packages:

  • Preliminary engineering and design study conducted to understand the construction and operational requirements of a potential demonstration project at the Yarwun alumina refinery.
  • Simulating the calcination process using a lab scale reactor at the Bundoora Technical Development Centre.

Once complete, the study will inform the viability of a potential demonstration project. 糖心vlog入口has lodged patents for the hydrogen calcination process.

糖心vlog入口is aiming to reach net zero emissions across its operations by 2050. Across the company, it is targeting a 15% reduction in absolute emissions and a 30% reduction in emissions intensity by 2030, from a 2018 baseline.

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Source: Rio Tinto