# Nouryon expands sodium chlorate capacity in Brazil for Arauco pulp mill

Nouryon signed a long-term agreement with Arauco to supply sodium chlorate and chlorine dioxide for Arauco's new $4.6 billion pulp mill in Mato Grosso do Sul, Brazil. Nouryon will build new facilities, increasing its South America sodium chlorate capacity by 20%.

- Type: Expansion
- Announced: 2025-08-12
- Where: Mato Grosso do Sul, Brazil, Brazil
- Starts operating: Q4 2027
- Status: announced
- Capacity: 20% increase in South America sodium chlorate capacity
- Products: sodium chlorate, chlorine dioxide
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md)

## Companies

- [Nouryon](https://endata.com/companies/8020.md)
- [Arauco](https://endata.com/companies/12491.md) (customer)

## Sources

- [paperfirst.info](https://www.paperfirst.info/nouryon-expands-its-south-america-industry-leading-sodium-chlorate-capacity-by-20-in-support-of-new-arauco-pulp-mill-and-growing-brazilian-pulp-industry/), 2025-08-12: "Nouryon will construct fully integrated sodium chlorate and chlorine dioxide manufacturing facilities in Mato Grosso do Sul."
- [nouryon.com](https://www.nouryon.com/news-and-events/news-overview/2025/nouryon-expands-its-south-america-industry-leading-sodium-chlorate-capacity-by-20-in-support-of-new-arauco-pulp-mill-and-growing-brazilian-pulp-industry/), 2025-08-12: "We are pleased to enhance our long-standing partnership with Arauco as they meet growing demand for renewable pulp-based products."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.