Clariant EnviCat^™ N2O-S Catalyst Expected to Cut 275 kt/y CO2eq at Sichuan Lutianhua Nitric Acid Plant

Clariant recently announced that its EnviCat N2O-S nitrous abatement catalyst is performing successfully at Sichuan Lutianhua's nitric acid plant and is projected to reduce emissions by 275 kt/y of CO2eq. Sichuan Lutianhua is one of the winners of Clariant's 2021-2022 global Climate Campaign, which offered a free load of the catalyst to nitric acid producers lacking N2O abatement technology. Located in Sichuan Province, China, the 135 kt/y nitric acid plant started operating in 2009 with no N2O removal system in place.

Sichuan Lutianhua Co. Ltd. is a producer of chemicals with significant capacities in ammonia, urea, methanol, and dimethyl ether. The company has advanced technological capabilities with a strong focus on research and development.
Nitric acid is essential for producing fertilizers. However, its production emits N2O, which is nearly 300 times more damaging to the climate than CO2. Adding to the problem, more than half of nitric acid producers do not remove N2O from their off-gas. Based on a production of 66 million t/y of nitric acid around the world, N2O emissions equal to approximately 100 million t/y of CO2e.

The EnviCat N2O catalyst series presents an easy solution to this serious problem. Using the catalysts, N2O and other nitrogen oxides can be removed almost completely (up to 99% for tertiary abatement and 95% for secondary abatement) from production emissions. Moreover, the EnviCat N2O-S is easy to adopt as the catalysts can be installed in any nitric acid plant without disrupting the production process. Well-established in the market for more than 20 years, EnviCat N2O catalysts are currently installed in over 50 plants globally.

Source: Clariant International Ltd

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