一、前言我国幅员辽阔,海疆万里,仅大陆海岸线就长达一万八千公里。在如此漫长的海岸带上,分布着很多重要都市、城镇、港口码头和大、中、小型工业基地及电站。广州、厦门、福州、杭州、上海、青岛、天津和大连等沿海城市,工业发达,人口密集。每天排放大量工业废气和城市综合污染烟气,使空气质量问题成为突出的环境问题,尤其是长江口以北的沿岸城 I. Preface Our country has a vast territory and thousands of miles of coastline. As long as the mainland coastline is as long as 18,000 km. On such a long coastal belt, many important cities, towns, port terminals and large, medium and small-scale industrial bases and power stations are distributed. The coastal cities of Guangzhou, Xiamen, Fuzhou, Hangzhou, Shanghai, Qingdao, Tianjin and Dalian are well-developed and densely populated. Every day a large number of industrial emissions and city integrated pollution of flue gas, the air quality issues have become prominent environmental problems, especially in the coastal city north of the mouth of the Yangtze River