能源结构变化对兰州市大气质量的影响

将2001—2010年的主要能源材料消耗、主要污染物变化及主要行业分布进行了相关性分析,结果表明:兰州市大气4种主要污染物中除烟尘呈下降趋势外,废气总量、SO2、NOx仍呈上升趋势;主要污染源为燃煤,主要污染行业为电力、蒸汽热水产供业;废气和SO2排放总量与燃煤和燃气呈强正相关,而NOx排放只与燃气呈强正相关。建议发挥兰州地域优势,加大以水电供应为主的能源结构调整,对改善当地空气质量有重要价值。

Effect of the Energy Structure on Air Quality of Lanzhou City

The relationship among air pollution, energy consumption, and industrial distribution were analyzed. The results indicated that, excepted the fumes was decreased during the year of 2001 to 2010, other three pollutants, total waste gases, sulfurous anhydride (SO₂), and nitrogen oxides (NO_x) were increased with different percent. The main pollution resource was coal, and the most polluted industry area was electrical and hot water production. Total production of waste gases and SO₂ was correlated with the consumption of the coal and natural gas positively but the NO_x only positively correlated with natural gas. At last, we suggested that the reasonable structure of the energy was contributed to improve the air quality. And the water-electrical was one of the most potential power for Lanzhou city in future as its special geographical position.