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Petra Nova captures more than 1 million t of carbon dioxide

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World Coal,

The world’s largest post-combustion carbon capture system has reached a major milestone, capturing more than 1 million tons of carbon dioxide (CO2) for use in enhanced oil recovery (EOR).

The Petra Nova project, located at NRG’s W.A. Parish power plant near Houston, has been successfully demonstrating an advanced amine-based CO2-capture technology that removes 90% of the CO2 emitted from a fluegas stream. The project began commercial operations on 10 January 2017. On 13 April 2017, Secretary of Energy Rick Perry attended a ribbon cutting ceremony for the project, where he noted that Petra Nova “demonstrates that clean coal technologies can have a meaningful and positive impact on the Nation’s energy security and economic growth.”

At 240 MW, the project is a joint venture between NRG Energy and JX Nippon Oil and Gas Exploration Corp., and received support from the Department of Energy. It uses a process jointly developed by Mitsubishi Heavy Industries and the Kansai Electric Power Co., which uses a high-performance solvent to separate the CO2 from the fluegas produced by conventional coal combustion. The CO2 captured from Petra Nova is used for EOR at the West Ranch Oil Field, which has increased oil production from 300 barrels per day when it began operations to about 4000 barrels per day today.

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