The Australian Renewable Energy Agency (ARENA) has announced that it will provide up to $500,000 in funding to Boral Timber in Port Macquarie to investigate the feasibility of building a second-generation biofuels refinery using waste sawmill residues.

Under the $1.2 million study, Boral will explore the technical and financial viability of establishing a biorefinery using innovative technology, which would be located near the Herons Creek sawmill.

If the study is successful, the proposed biorefinery, which would cost an estimated $50 million to build, could convert up to 50,000 tonnes of waste sawmill residue produced each year into transport-grade renewable diesel and bitumen.

The sawmill residue – which includes sawdust, remnant wood chips, shavings and offcuts – is currently used for lower value uses such as landscaping and boiler fuel.

The study will consider a mechanical catalytic conversion technology, developed by Spanish-based Global Ecofuel Solutions SL, combined with the potential biorefinery at Herons Creek and will be the first time the process would be used in a production scale facility.

Former ARENA CEO, Ivor Frischknecht, said the project shows that big businesses are increasingly moving towards renewable energy solutions.

“The transport sector is a significant user of energy in Australia, with liquid fuels a key long term energy source for heavy-vehicle road and air transport since they cannot readily be electrified. Bioenergy comprises a growing proportion of Australia’s energy mix, and this new technology could see residue from the production process be used to reduce Boral’s reliance on diesel and bitumen derived from fossil fuels,” Mr Frischknecht said.

“If this ground-breaking technology is successful, we hope to see a transition to similar biorefineries by other companies which have a waste stream in forestry or agriculture.”

Boral Executive General Manager (Building Products), Wayne Manners, said that if the feasibility study was successful, the transport-grade renewable diesel produced at the potential new biorefinery could eventually account for up to 15 per cent of Boral’s annual diesel needs.

Boral is one of the largest consumers of bitumen and has one of the largest truck fleets in Australia, using approximately 100 million litres of diesel each year.

“The application of this technology has the potential to transform the way we use low value hardwood sawmill residues into a resource that could be highly valuable not just to Boral but to the industry more generally,” Mr Manners said.

Lauren Butler

Lauren ‘LJ’ Butler is the Assistant Editor of Utility magazine and has been part of the team at Monkey Media since 2018.

After completing a Bachelor of Media, Communications and Professional Writing at the University of Wollongong in 2014, and prior to writing about the utility sector, LJ worked as a Journalist and Sub Editor across the horticulture, hardware, power equipment, construction and accommodation industries with publishers such as Glenvale Publications, Multimedia Publishing and Bean Media Group.

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