The removal of short‐chain and long‐chain perfluoroalkyl acids and sulfonates via granular activated carbons: A comparative column study

机译：通过颗粒状活性碳去除短链和长链全氟烷基酸和磺酸盐：比较柱研究

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Abstract >Per‐ and polyfluoroalkyl substances (PFAS) are contaminants of emerging concern. Granular activated carbon (GAC) is an adsorbent currently in use in removing long‐chain PFAS from water. However, there are few studies that examine short‐chain PFAS removal with GAC. The present Rapid Small‐Scale Column Test study compares the removal of a suite of both long‐ and short‐chain PFAS from groundwater. The results show that re‐agglomerated, bituminous coal‐based GACs, whether virgin or reactivated, are capable of effectively removing long‐ and short‐chain PFAS with four or more perfluorinated carbons. It was also observed that perfluorobutanoic acid, a perfluorinated carboxylic acid with just three perfluorinated carbons, reached breakthrough far more quickly than all other PFAS in this study. Coconut‐based and pool reactivated carbons, respectively, lasted 9 to 18% as long, and 43 to 57% as long, as the coal‐based carbons studied prior to breakthrough of the PFAS. The results indicate that properly selected GACs (reagglomerated bituminous coal‐based, virgin or reactivated), are a viable treatment option for PFAS contamination in water for all but the shortest perfluorinated carboxylic acids. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract XMLNS =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <标题类型=“main”>抽象</ title> >，和聚氟烷基物质（PFAs）是出现关注的污染物。粒状活性炭（GAC）是目前用于从水中除去长链PFA的吸附剂。然而，很少有研究检查用GAC去除短链PFA。目前的快速小规模柱试验研究比较了从地下水中移除了一系列长链PFA。结果表明，可重聚，沥青煤的GAC，无论是处女还是重新激活，都能够有效地除去具有四种或更多种全氟化碳的长链和短链PFA。还观察到全氟丁酸，一种具有三种全氟化碳的全氟丁酸，比本研究中的所有其他PFA更快地达到了突破。基于椰子和游泳池重新激活的碳，持续9至18％，只有43％至57％，因为在PFAS突破之前研究的煤炭碳。 The results indicate that properly selected GACs (reagglomerated bituminous coal‐based, virgin or reactivated), are a viable treatment option for PFAS contamination in water for all but the shortest perfluorinated carboxylic acids. </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-26867/'>《Remediation: The Journal of Environmental Cleanup Costs, Technologies & Techniques》</a> <b style="margin: 0 2px;">|</b><span>2018年第1期</span><b style="margin: 0 2px;">|</b><span>共8页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Westreich Philippe&option=202" target="_blank" rel="nofollow">Westreich Philippe;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mimna Richard&option=202" target="_blank" rel="nofollow">Mimna Richard;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Brewer Jenalle&option=202" target="_blank" rel="nofollow">Brewer Jenalle;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Forrester Frederic&option=202" target="_blank" rel="nofollow">Forrester Frederic;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Calgon Carbon CorporationPittsburgh Pennsylvania;</p> <p>Calgon Carbon CorporationPittsburgh Pennsylvania;</p> <p>Calgon Carbon CorporationPittsburgh Pennsylvania;</p> <p>Calgon Carbon CorporationPittsburgh Pennsylvania;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span 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