US Imperium biodiesel plant blast caused by sulphuric acid

08 January 2010 22:43  [Source: ICIS news]

HOUSTON (ICIS news)--US biodiesel major Imperium Renewables said on Friday that an oversupply of sulphuric acid in a key part of its plant triggered an explosion last month that caused the refiner to shut its doors for repairs.

An over-pressurised glycerine neutralisation tank exploded at Imperium’s 100m gal/year (3.79bn litres/year) refinery in Grays Harbor, Washington, on 2 December, forcing the plant to close a few months after it had re-opened for refining. No one was injured in the blast.

The plant will remain closed until new equipment is installed and tested, the company said.

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