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padding-left-20 padding-right-20"> <div class="page-tit clearFix"> <div class="float-left"> <strong> 常見問題 </strong> </div> <div class="float-right"> <ul class="breadcrumb hidden-xs"> <li class="fa fa-home"> 當前位置：<a href="/"> 首頁 </a></li> <li>> <a href="/jzfw/">技術服務</a></li> <li>> <a href="/cjwt/">常見問題</a></li> </ul> </div> </div> <div class="info-content"> <h4 class="text-center line-height-3">我國的水資源形勢和廢水利用率</h4> <div class="text-center"> <span title="發布時間" class="margin-right-20">發布日期： 2018-09-05</span> <span title="瀏覽量" class="margin-right-20"> 瀏覽量 : <span id="lb_clicks"></span></span> </div> <div class="info-content padding-top-20" id="Content"> <p class="MsoNormal"> <span style="font-family:宋體;">現在中國的水資源形勢是什么？工業用水對于水資源的影響是什么？我國是一個貧水國家，因為按國際標準，每人每年水供應量在</span>1000<span style="font-family:宋體;">噸以下就是缺水國家。目前，中國缺水在千億立方米以上。不少地區人均水資源已同世界聞名的缺水國家以色列相近。黃土高原地區情況就是這樣。我國被列為世界上貧水的國家之一。特別是北方、西部廣大地區缺水特別嚴重。我國東南地區由于地面水資源污染引起水質性缺水情況也很嚴重。在全國</span>670<span style="font-family:宋體;">座大中城市中，有</span>400<span style="font-family:宋體;">座城市不同程度的缺水。其中</span>110<span style="font-family:宋體;">座城市嚴重缺水。據最新資料證實，北京人均水資源占有量目前是不足</span>300<span style="font-family:宋體;">立方米。面對如此缺水的嚴峻形勢，我國工業用水量卻浪費驚人。主要是工業用水重復利用率低。</span><br /> <span style="font-family:宋體;">工業用水重復利用率只有</span>20—30%<span style="font-family:宋體;">。僅為發達國家的三分之一。如生產</span>1<span style="font-family:宋體;">噸鋼，中國耗水量是國際先進水平的</span>1—6<span style="font-family:宋體;">倍以上</span>,<span style="font-family:宋體;">生產</span>1<span style="font-family:宋體;">噸紙中國所耗水量是國際先進水平的</span>3<span style="font-family:宋體;">倍以上。其他工業方面也同樣存在水資源浪費的情況。節約用水已經成為我們國家的當務之急，缺水問題也將嚴重制約我國本世紀的經濟可持續發展，并將引起生態環境退化、人居環境惡化、爭水矛盾日益突出等社會和環境問題。</span><b><o:p></o:p></b> </p> </div> <div class="clearFix padding-top-20 line-height-2"> <ul> <li class="text-gray">下一篇：<a href="/news/70.cshtml">城市污水處理知識問答</a></li> </ul> </div> </div> </div> </div> </div> </div> <script type="text/javascript"> var $lb_clicks = $("#lb_clicks"); $.post("/E/InfoData/AddClicks", { 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