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text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;">我们在使用污泥处理设备</span><span style="font-family: 微软雅黑; font-size: 10.5pt; letter-spacing: 0pt; text-indent: 0pt;">的过程中要注意避免二次污染,具体我们可以从以下几方面入手:</span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;"> </span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;">       1.臭气、烟气、沼气和噪声处理。厌氧消化池是一个封闭的系统,通常不会有臭气逸出,但是污泥在输送和贮存过程会有臭气散发。对厌氧消化系统内会散发臭气的点应进行密闭,并设排风装臵,引接至全厂统一的除臭装臵中进行处理。沼气燃烧尾气污染物主要为SO2和NOx,排放浓度应遵守相关标准的要求。 当沼气产生量高于沼气利用量时或沼气利用系统未工作时,沼气应通过废气燃烧器烧掉。沼气发电和沼气拖动设备会产生噪声,产生噪声的设备应设在室内,建筑应采用隔音降噪处理。人员进入时,需戴护耳罩。</span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;">       2.消化污泥中重金属的钝化耦合。污泥中的重金属主要以可交换态、碳酸盐结合态、铁锰氧化物结合态、硫化物及有机结合态和残渣态五种形态存在。其中,前三种为不稳定态,容易被植物吸收利用;后两种为稳定态,不易释放到环境中。污泥中锌和镍主要以不稳定态的形式存在;铜主要以硫化物及有机结合态存在;铬主要以残渣态存在;汞、镉、砷、铅等毒性大的金属元素几乎全部以残渣态存在。在污泥的厌氧消化过程中,硫酸盐还原菌、酸化细菌等能促使污泥中硫酸盐的还原和含硫有机质的分解,而生成S2-离子。所生成的硫离子能够与污泥中的重金属反应生成稳定的硫化物,使铜、锌、镍、铬等重金属的稳定态含量升高,从而降低对环境造成影响。另外,温度、酸度等环境条件的变化,CO-等无机物以及有机物与重金属的络合;微生物的作用,同样可以引起可交换的离子态向其他形态的转化,使重金属的形态分布趋于稳定态。从而它们可以达到稳定、固着重金属的作用。 </span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;">       3.消化液的处理与磷的回收利用。污泥消化沼液中含有高浓度的氮、磷。沼液肥效很高,有条件时,可作为液态肥进行利用。针对污泥沼液中高氮磷、低碳源的特点,可采用基于磷酸铵镁(鸟粪石)法的磷回收技术和厌氧氨氧化工艺的生物脱氮技术,对污泥消化上清液进行处理,以免加重污水处理厂水处理系统的氮磷负荷,影响污水处理厂的正常运行。 </span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;">       这样一来我们才能真正地发挥污泥处理设备的环保效用,真正做到“绿色”生产。</span></p> <p class="MsoNormal" style="margin: 0pt; text-indent: 0pt; padding: 0pt;"><span style="font-family: 微软雅黑; letter-spacing: 0pt; font-size: 10.5pt;"><img src="/upfile/2019/03/20190329101604_873.jpg" alt="" width="1000" height="625" /><br /></span></p> </div> </div> </div> <div class="fenyList"> <div class="prew"> <a title="洗沙污水处理设备水处理可使用紫外线消毒法?!" href="http://www.il4e.com/index.php?ac=article&at=read&did=523" >上一条:洗沙污水处理设备水处理可使用紫外线消毒法?</a></div> <div class="nextw"> <a title="!" href="" >下一条:</a></div> </div> </div> </div> <!-- 底部 --> <div class="clearfix"></div> ?<div class="footer"> <div class="w1000"> <div class="footerCode fl"><img src="http://www.il4e.com/templates/specialty/images/56261f161a7b6.png"><span>扫描二维码 | 关注微信</span><br/> </div> <div class="footerRight fr"> <div class="footerMenu"> <a href="http://www.il4e.com/index.php">首页</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=1">公司简介</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=2">新闻中心</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=3">产品中心</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=76">服务与支持</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=65">客户案例</a> | <a href="http://www.il4e.com/index.php?ac=article&at=list&tid=66">联系我们</a> | <a href="http://www.il4e.com/index.php?ac=form&at=list&fgid=1">信息反馈</a> | <div class="footerTel"> 地址:佛山市南海区罗村务庄沙坊一路9号之6<span>联系电话:18566819397</span> </div> <div class="footerZx" style="line-height:18px"> 电话:0757-88722238           传真:<span style="white-space:normal;">0757-81266566</span>  <br /> <p> 网站:<a href="http://www.il4e.com/" target="_blank">http://www.il4e.com/</a>; 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