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Thai ethanol plant partly closed after toxic emissions leak

An ethanol factory owned by Thai Agro Energy based in Dan Chang, Thailand, has been ordered to partly suspend operations until it corrects procedures after local residents complained of hydrogen sulphide emissions.

According to the Bangkok Post, an industry ministry inspection at the plant found hydrogen sulphide levels exceeding the allowable limit.

It ordered the factory to close parts of its operation to solve the problem by 26 December.

The investigation revealed that the poisonous gas had accumulated in a treatment pond containing wastewater released from the plant as well as rainwater from a severe storm on 7 October.

The gas inflated the canvas covering the treatment pond, increasing the pressure inside the pond to a risky level, so the company decided to release the gas into the air and burn it, creating a foul odour that disturbed nearby residents, the Bangkok Post reported.

According to the website, the company expects the disturbing gas smell will be diminished in the next five to seven days.





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