从污染源到资源:大庆油田让含油污泥变废为宝|精品少妇一区二区三区免费观
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中新网大庆10月13日电 (裴宇)“污泥站处理后的含油污泥,泥可以用来铺路和垫井场,油能再回收,水能再利用,产生‘一石三鸟’效应。”13日,在大庆油田采油五厂第七作业区维修班含油污泥处理站,记者看到,这个专门与污泥打交道的地方成了一个花园式的生产作业场所。

采油五厂第七作业区维修班杏五二含油污泥处理站站长周峰告诉记者,含油污泥是石油生产的“伴生品”,也是石油生产的主要污染源之一,在油田生产、井下作业等施工过程中,都会不同程度地产生。采油五厂2024年产生污泥量4.4万吨,化油处理、施工改造等原因产生的含油污泥合计占比18.95%。随着油田进入中后期开采阶段,采出油中含水率越来越高,含油污泥量还会继续增加。
如何有效处理含油污泥,始终困扰着大庆油田。一直以来,大庆石油都在积极尝试着将含油污泥就地消化解决,建设含油污泥处理站就是大庆油田最具代表性的尝试。第七作业区维修班含油污泥处理站目前夏季平均日处理量约60吨。这个“大胃王”将含油污泥“吞”进去后,经过“体外”“体内”循环,彻底解决了污泥“二次污染”的弊端。
经过复杂工艺处理过的污泥被“分解”成为三部分:污泥含油达到≤2%以下通过螺旋输送装置输送至渣土晾晒场,污水达到标准,外输泵输到杏五二联合站污水系统,油含水达3‰以下拉运至联合站。
“目前我们这个‘大胃王’每年能处理6600吨的含油污泥,真正实现了含油污泥的无害化、资源化和效益化。”在堆料场,周峰捧起一把处理达标的黑土告诉记者,这些土的成分与普通的土已经没有什么差别,达到《黑龙江省油田含油污泥综合利用污染控制标准》要求,可以用来铺路和垫井场。(完)
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