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style="background:url(http://m.sdrcgroup.com/skin/images/ban_news.jpg) no-repeat top center; "></div>   <div class="breadcrumbs"> <div class="container"> <span class="parent"> <i class="fa fa-home"></i> <a href='http://m.sdrcgroup.com/'>首页</a>><a href='http://m.sdrcgroup.com/news/'>新闻动态</a>><a href='http://m.sdrcgroup.com/news/Professional/'>行业动态</a> </span> </div> </div>  <div class="container"> <div class="row about-sidebar">  <div class="col-md-9 about-content"> <section class="about-company"> <div class="com"> <h2 class="company-title color-title">行业动态</h2> </div> <div class="arc_pro"> <h1>尾矿干排对金属矿山的具体价值体现</h1> <div class="arc_body"> <p> <span style="font-size:16px;">　　<strong>尾矿干排</strong>是经由选矿工艺把矿石中的有价物质提取之后的废渣(既尾矿)通过浓缩脱水工艺，制备成含水率(质量百分比)10%±2的物料后输送至尾矿库和排土场堆存或再循环它用的一种工艺方式。</span></p> <p style="text-align: center;"> <span style="font-size:16px;"><img alt="尾矿干排对金属矿山的具体价值体现" src="/uploads/allimg/180711/2-1PG11100393E.jpg" style="width: 500px; height: 572px;" /></span></p> <p> <span style="font-size:16px;">　　<a href="http://m.sdrcgroup.com">尾矿干排</a>的具体价值体现有哪些呢?</span></p> <p> <span style="font-size:16px;">　　1. 尾矿再选</span></p> <p> <span style="font-size:16px;">　　开展尾矿再选，从尾矿中回收有价成分，是提高资源利用率的重要措施。但目前我国尾矿再选整体存在着规模小、技术落后、回收率低、能耗高、成本高等问题。由于缺乏统一的规划和管理，有的甚至造成严重的二次污染，或对尾矿库安全造成危害。相对来说尾矿干排工艺对工业废水的回收不仅提高了资源回收率，再次应用于选矿和矿山的开采，也给企业带来巨大的经济效益。</span></p> <p> <span style="font-size:16px;">　　2. 尾矿生产建筑材料</span></p> <p> <span style="font-size:16px;">　　尾矿的主要组分是富含SiO2、Al2O3、CaCO3等资源的非金属矿物，经过<strong>尾矿干排</strong>脱水后呈现出的固体废料可以通过现有的成熟工艺生产一种或若干种建筑材料。一些尾矿高值利用技术，如尾矿制备微晶玻璃、超耐久性尾矿高强混凝土技术等，已经在关键技术和工艺方面取得了突破，有望成为将来大量利用尾矿的有效技术。</span></p> <p> <span style="font-size:16px;">　　3.尾矿用于制作肥料</span></p> <p> <span style="font-size:16px;">　　有些尾矿中含有植物生长所需要的多种微量元素，经过适当处理可制成用于改良土壤的微量元素肥料。上世纪90 年代马鞍山矿山研究院将磁化尾矿加入到化肥中制成磁化尾矿复合肥，并建成一座年产1 万吨的磁化尾矿复合肥厂，起到了变废为宝的效果。</span></p> <p> <span style="font-size:16px;">　　4.充填矿山采空区</span></p> <p> <span style="font-size:16px;">　　矿山采空区回填是直接利用尾矿行之有效的途径之一。尤其对于无处设置尾矿库的矿山企业，利用尾矿回填采空区就具有更大的环境和经济意义。胶结充填采矿法目前已属于成熟技术。理想的胶结充填采矿法可完全避免地表塌陷和基本避免破坏地下水平衡造成重大危害。</span></p> <p> <span style="font-size:16px;">　　5.尾矿库复垦</span></p> <p> <span style="font-size:16px;">　　尾矿库复垦是解决尾矿库表面沙化的重要措施。尾矿库复垦不仅防止扬沙，而且美化环境，减少污染，兼具经济效益、社会效益和环境效益。尾矿库复垦为我国矿山企业废弃尾矿库治理探索出了一条经济、可行的新路子。</span></p> <p> <span style="font-size:16px;">　　我国工业固体废弃物综合利用率在60%左右，而金属尾矿的综合利用率平均不到10%，大大滞后于其它大宗固体废弃物。针对金属尾矿的治理，尾矿干排为解决金属尾矿的利用起到了提升作用。</span></p> </div> <ul class="arc_bottom"> <li class="left">上一篇：<a href='http://m.sdrcgroup.com/news/Professional/256.html'>旋流器常见的修复解决方法</a> </li> <li class="right">下一篇：<a href='http://m.sdrcgroup.com/news/Professional/283.html'>国内尾矿干排技术应用现状及前景预测</a> </li> </ul> </div> </section> </div>  <div class="col-md-3 sidebar left">  <div class="sidebar-blog-categories"> <p>新闻动态</p> <ul class="list_img"> <li><a href="http://m.sdrcgroup.com/news/Company/">公司新闻</a></li> <li class=li_cur><a 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