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Anthropogenic emission inventories in China: a review | National …

Cement plants, iron and steel plants and industrial boilers are identified as major contributors of SO 2, NO x and PM. In recent years, unit-based emission inventories have been developed for cement plants [ 70 ] and iron and steel plants [ 71, 72 ] based on detailed (factory-level) local information, which has substantially improved the development of emission estimates.

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