China: new standard of nitrogen oxides emissions to be released

摘要

The new standard of the nitrogen oxide emission for the cement industry is expected to be released during this year. The control requirements for pollutant emission will be improved greatly, and is expected to reach the international advanced level. In China, the nitrogen oxides emission standards of the new dry process rotary kiln recently is generally at 800 mg/m~3 (stp), which will be reduced to 300 to 400 mg/m~3 (stp) in the new standard.