A True ‘Polygen’ Project

Syngas (a mix of hydrogen and carbon monoxide) is the intermediate building block from which a wide range of high value products can be manufactured.

During the PFS, Altona commissioned technical and commercial studies to analyse production possibilities and potential markets. The base case scenario where some 30,000 bbl/d synthetic diesel will be produced has been concluded from these studies. Stage 1 of the BFS will include trade off studies to finalise the best product mix for the project and will consider likely markets, product economics and technology costs.

Product Options

The suite of products which could be manufactured include not just synthetic diesel and jet fuels, but also intermediate chemical feedstocks such as SNG for production of plastics, fertilisers or even high value specialist products such as food waxes.

In addition, the plants’ by-products from the syngas conditioning are saleable. Slag can be used in the construction industry, pure sulphur is available for industrial sales and water too might be available for sale.

Overseas CTL/GTL Projects

The conversion of a syngas to liquid transport fuels is a well developed technology, currently best demonstrated in South Africa, where commercial scale CTL plants have been operating for over 50 years and now supply 160,000 barrels or 30% of South Africa’s gasoline and diesel fuel needs. In Malaysia Shell are producing some 14,700bbl/d synthetic diesel which is both consumed domestically and exported as a premium product for its clean burning characteristics. In Qatar there are two similar projects, the operational 34,000 bbl/d Qatar Petroleum/SASOL Oryx plant and the 140,000bbl/d QP/Shell Pearl joint venture under development. These projects manufacture high value synthetic fuels from a similar syngas as the Altona product, the only difference being that their initial input to create the syngas is natural gas (methane).