Andritz to supply FGD plant to Tata Power in India

2 December 2020

Technology group Andritz has received an order from Tata Projects Ltd, India, to supply the technology and critical components for a seawater flue gas desulphurisation plant with wet stack and integrated seawater treatment for the Mundra thermal power station. The power station – with an output of 5 x 830 MW – is operated by Coastal Gujarat Power, a subsidiary of Tata Power, and will be the world’s largest with seawater FGD technology when it is completed in the third quarter of 2023.

The Andritz scope of supply cosists of the complete basic engineering and the detailed engineering for the absorber internals, as well as other significant components. 

The Andritz FGD technology uses the cooling water from the power station, which is configured as open continuous-flow cooling with seawater, to remove all acid components, enabling recovery rates of more than 95%. Owing to integrated oxidation of the seawater, it is returned to the open cooling water circuit again after being fully treated. In order to keep energy input as low as possible, a high-performance, concrete packing scrubber is used. Special membrane distributors are applied for oxidation of the seawater, optimising the plant’s economic efficiency and promoting the achievement of low operating costs.

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