中国污水处理现状与趋势绪论.ppt

中国污水处理现状与发展趋势China sewage treatment situation and development trend 内容 CONTENTS 全国污水处理概况 National Sewage Treatment Overview 1 深圳市污水处理概况 Shenzhen Sewage Treatment Overview 2 中国污水处理技术现状与发展趋势 Sewage Treatment Technology Status and Trend in China 3 中国当前水质状况 current water quality of China 全国地表水环境质量总体为轻度污染，主要污染指标为化学需氧量、总磷和氨氮。 The main pollution indicators : chemical oxygen demand, total phosphorus and ammonia nitrogen. 长江和珠江水质良好，淮河为轻度污染，黄河、松花江和辽河为中度污染，海河为重度污染。 Good water quality： the Yangtze River and Pearl River, Slightly polluted ：Huaihe River Moderate pollution: the Yellow River, Songhua River and Liaohe River Heavy pollution: Haihe River 全国污水处理概况 National Sewage Treatment Overview 1 26个国控重点湖泊（水库）中，满足Ⅱ类水质的1个，占3.9%；Ⅲ类的5个，占19.2%；Ⅳ类的6 个，占23.1%；Ⅴ类的5个，占19.2%；劣Ⅴ类的9个，占34.6%。主要污染指标为总氮和总磷 26 state-controlled key lakes (reservoirs), Water Quality Ⅱclass only one, accounting for 3.9%; Ⅲ class five, accounting for 19.2%; Ⅳ class six, accounting for 23.1%; Ⅴ class five, accounting 19.2%; 9 inferior ⅴ class, accounting for 34.6%. The main pollution indicators for total nitrogen and total phosphorus. 中国当前水质状况 current water quality of China 地表水环境质量标准 Surface water quality standards 点源：工业和城镇生活、规模化养殖 其他典型污染源：地下油罐、矿山开发、垃圾填埋场 面源：农村生活、分散式畜禽养殖、水产养殖、农业面源 常规污染物 有毒有害、痕量污染物 常规防治 突发事件应急 中国水污染管控 Pollution control in China Normal pollutants The conventional control Emergency Toxic and trace contaminants 2005年至今中国突发水污染事件时有发生 China’s water pollution incidents occur frequently from 2005 全国工业废水及生活废水排放量 China’s industrial wastewater and domestic wastewater emissions Chinese wastewater emissions (industrial and domestic sources) /Hundred million tons domestic sources industrial sources 污水处理行业现状 Sewage treatment industry 2008-2012年污水处理行业总产值及增长率 Sewage treatment industry output and growth rate in 2008~2012 /Hundred Millions Yuan (RMB) 污水处理费情况 Sewage treatment fee 污水处理费高的地区主要集中在江苏省、福建省、辽宁省、山东省、广东省等经济发展情况好的沿海东部省份，中西以及东北部部地区污水处理费水平比较低。 Sewage treatment