Gas Firm Proposes Underground Salt Solution


The major player in the New South Wales far north coast’s fledgling coal seam gas industry does not believe the disposal of waste salt will pose any problems.
The ABC’s new Coal Seam Gas by the Numbers website estimates the industry will produce about 31 million tonnes of waste salt across Australia over the next 30 years.
However, Metgasco’s chief executive, Peter Henderson, does not foresee any difficulties.
“Our water is generally low salt content, in fact our water’s almost at a standard you could use for drinking water,” he said.
“You’ve got to look at every different coal seam gas operation in its own merits.
“There are companies that can actually take the salt and use it for commercial applications, it has its own value.
“Of course the other approach is … you can always pump a salty-water stream back down into the reservoirs.
“You pump it into a formation that will never, ever be used for any domestic purposes.
“You inject it deeper than any formation that people are ever likely to take water from.”

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