Hungary Borsod Chemicals develops new technology for phosgenating MDI production

According to Hungary's Borsod Chemical Company, it has developed an ambitious plan for the development of a methylene-p-phenylene diisocyanate (MDI) production process under its own procedures.
The company plans to release its bottleneck in the Kazincbarcika MDI unit from the 180,000 t/a to 30 t/a in the next 2-3 years. The company also stated that it has applied for a patent for this technology, and a key improvement of this technology is the development of a more effective phosgenation technology that can significantly reduce the production of unwanted by-products.
The company stated that it has now been able to design more than 400,000 t/a of process equipment that converts benzene to MDI. At present, the project focuses on solving the bottleneck of a set of 120,000 t/a MDI devices, and plans to expand its production capacity to 240,000 t/a from 2011 to 2012. Borsod Chemical also operates a set of 60,000 t/a MDI devices at Kazincbarcika. In addition, the company is building a 200,000 t/a toluene diisocyanate (TDI) unit at this location, and plans to start production on July 1, 2009. Borsod Chemicals also has a 90,000 t/a TDI unit there. It plans to expand the bottleneck to 100,000 t/a.

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