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Kemper plant produces syngas from lignite

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World Coal,

Mississippi Power’s Kemper County energy facility has successfully converted local lignite into syngas, its “most significant milestone to date”, according to the company.

The production of syngas via the transport integrated gasification technology (TRIG) involved operated the front end of the plant and validating the TRIG technology works at commercial scale.

The back end of the project – which includes the power plant – is already in services and has been generating electricity since August 2014.

Despite the milestone, Mississippi Power announced another delay to the scheduled date for the plant to enter service to 31 October.

“The one month extension is needed to make mechanical equipment modifications to the gasifiers’ supporting systems, complete the remaining commissioning activities on the syngas clean-up systems and integrate all systems necessary to generate electricity,” the company said.

The extension is expected to cost the company an additional US$43 million.

When complete, the 582 MW plant will consume about 4.7 million tpy of lignite, capturing at least 65% of CO2 produced. The plant has been best by delays and cost overruns, however, with its current project cost of US$6.6 billion over three times its original estimate.

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