19.10.2023 • NewsUniparThyssenkruppPVC

Unipar to Upgrade Largest Chlor-Alkali Plant in Brazil

Brazilian chemical group Unipar Carbocloro will modernize its chlor-alkali plant in Cubatão, Brazil, with electrolyzer technology from Dortmund, Germany-headquartered Thyssenkrupp Nucera. The upgrade is scheduled to be completed by the end of 2025. According to Thyssenkrupp, Unipar will invest more than 1 billion reais (about €190 million) in the modernization.

The contract awarded to Thyssenkrupp also includes engineering, equipment and consulting services during the construction and commissioning of the plant, Thyssenkrupp said. As part of the project, Unipar, a producer of chlorine, caustic soda and polyvinyl chloride (PVC), will replace the existing mercury and diaphragm plants in Cubatão with electrolysers using Thyssenkrupp Nucera's bipolar membrane technology.

The technological upgrade will ensure an annual chlorine production capacity of 210,000 t and reduce Unipar's annual CO2 emissions by 70,000 t, Thyssenkrupp said. Other benefits include reduced waste production and lower energy consumption.

“The modernization of our plant is a measure of enormous importance for us in strengthening our market position. Reliability, efficiency, and energy savings due to the chlor-alkali technology used are of immense importance,” said Rodrigo Cannaval, industrial executive director at Unipar. The Brazilian group already uses Thyssenkrupp's membrane technology at other plants in the country.

The facility at Cubatão is Unipar’s largest plant in terms of production, particularly of chlorine and caustic soda, the company said. Unipar claims to be the second largest PVC producer in South America after Braskem.

© TongTa – stock.adobe.com
© TongTa – stock.adobe.com

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