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Calix (ASX:CXL) - Managing Director & CEO, Phil Hodgson
Managing Director & CEO, Phil Hodgson
Source: Calix Limited
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  • Calix (CXL) files a patent application for its core technology for the production of zero carbon emissions iron and steel
  • The ‘ZESTY’ (Zero Emissions Steel Technology) process involves the use of Calix’s kiln technology to produce iron that’s able to be renewably powered
  • Calix’s ‘LEILAC’ (Low Emissions Intensity Lime and Cement) process can be used to produce zero-emissions lime to remove impurities without the need for lime pelletisation
  • Initial testing is being conducted at the Imperial College in London and if positive results are confirmed, Calix will conduct scale-up testing at its Bacchus Marsh facility
  • Company shares are up 20.9 per cent to trade at $7.40

Calix (CXL) has filed a patent application for its core technology for the production of zero carbon emissions iron and steel.

Iron and steel making is the second largest source of man-made industrial carbon dioxide emissions, estimated at 7 per cent of the global total.

Calix’s ‘ZESTY’ (Zero Emissions Steel Technology) process involves the use of its kiln technology to produce iron at a reduced temperature than a conventional blast furnace, no pelletisation of iron ore to enable the processing of fines, and that’s able to be renewably powered.

In terms of steel-making, Calix’s ‘LEILAC’ (Low Emissions Intensity Lime and Cement) process can be used to produce zero-emissions lime to remove impurities without the need for lime pelletisation.

The ZESTY steel technology allows for the use of zero emissions lime in steel-making, no lime pelletisation/preparation is required, and the lime can also be used to scrub any excess carbon, as well as other pollutants, from the exhaust gases.

“These are early days for the Calix ZESTY technology, however, given the materiality of both the potential for our technology in iron and steel production and the size of the environmental challenge, being similar to the one our LEILAC business is addressing, we will be pursuing this opportunity as quickly as possible — the world cannot wait any longer,” CEO Phil Hodgson said.

The technology will need to be scaled and tested, and the patent upheld, to be commercially successful.

Initial testing is being conducted at the Imperial College in London and if positive results are confirmed, Calix will conduct scale-up testing at its Bacchus Marsh facility with ores from a potential customer.

Company shares were up 20.9 per cent to trade at $7.40 at 11:31 am AEDT.

CXL by the numbers
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