一、酸雨问题导致对烟气脱硫设备的需求　　酸雨污染是我国主要的环境问题之一。在80年代， 我国的酸雨主要发生在以重庆、贵阳和柳州为代表的西南地区，到90年代中期，酸雨已发展到长江以南、青藏高原以东及四川盆地的广大地区，其区域面积已占全国面积的30％左右。我国酸雨的 First, the acid rain led to the demand for flue gas desulfurization equipment Acid rain pollution is one of China’s major environmental issues. In the 1980s, China’s acid rain mainly occurred in the southwestern regions represented by Chongqing, Guiyang and Liuzhou. By the mid-1990s, acid rain had developed to a large area south of the Yangtze River, east of the Qinghai-Tibet Plateau and the Sichuan Basin, and its area has been Accounting for about 30% of the country’s area. My country’s acid rain