Air pollution

Air pollution

Breakthrough in Chemical Engineering: Novel SD-MixBNR System Enhances Biological Nitrogen Removal Efficiency

Researchers from the Harbin Institute of Technology have developed a novel biological nitrogen removal (BNR) system that significantly improves nitrogen removal efficiency and reduces greenhouse gas emissions. The study, published in the Chemical Engineering Journal, showcases a sulfur disproportionation (SD)-mediated mixotrophic BNR (SD-MixBNR) system that operates under low-temperature conditions.

Air pollution

Brown Carbon Emissions from Heavy-Duty Diesel Vehicles: Research Reveals Significant Contribution to Climate and Atmospheric Science

Climate and atmospheric science researchers at Shenzhen University have published a groundbreaking study on the significant N-containing brown carbon (BrC) emissions from heavy-duty diesel vehicles (HDDVs), shedding new light on the radiative balance, cloud condensation dynamics, and regional air quality. The study, conducted under the auspices of the National Natural