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首页> 外文会议>;International conference on nutrient recovery from wastewater streams >Phosphorus recovery from saturatedalum sludge used as a low low-cost P P-adsorbent
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Phosphorus recovery from saturatedalum sludge used as a low low-cost P P-adsorbent

机译：从饱和铝污泥中回收磷，用作低成本的低成本P P吸附剂

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For the sake of recovering phosphorus (P) as regenerative resource from Psaturated alum sludge u used as a low sed low-cost P P-adsorbent in treatment reed bed forwastewater treatment, strong acids (HCl, HNO3, H2SO4) and bases (NaOH,KOH) extractions were performed to release P from the used alum sludge. Theresults showed that either acid or base is efficient and the efficiency mainlyrelied on the concentrations of H+/OH- not the type of acid or base. Under 0.1MH+OH /-, over 90 % P can be released by acids, but only 68 % P can be released by bases within 1 hour. Since the P extraction leachate by H2SO4 is dark dark-red incolor due to the synchronous release of the massive humic substances (HSs),
机译：为了从磷中回收磷（P）作为可再生资源 饱和明矾污泥用作处理芦苇床中的低成本，低价P P吸附剂 废水处理，强酸（HCl，HNO3，H2SO4）和碱（NaOH， 进行（KOH）萃取以从用过的明矾污泥中释放P。这 结果表明，酸或碱都是有效的，而效率主要是 依赖于H + / OH-的浓度，而不是酸或碱的类型。小于0.1M H + OH /-，酸可释放超过90％的P，但只能释放68％的P 在1小时内以碱基为单位。由于H2SO4提取的P渗滤液为深暗红色 颜色是由于大量腐殖质（HSs）的同步释放引起的，

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