Addition of Hydrogen Peroxide to Groundwater with Natural Iron Induces Water Disinfection by Photo‐Fenton at Circumneutral pH and other Photochemical Events

Gutiérrez‐Zapata Héctor Mario; Alvear‐Daza John Jairo; Rengifo‐Herrera Julián Andrés; Sanabria Janeth

摘要

Abstract > Samples of natural groundwater (with low turbidity, neutral <fc>pH</fc> and 0.3 mg L ?1 iron concentration) inoculated with Escherichia coli K‐12 were exposed to simulated solar light both in the presence and in the absence 10 mg L ?1 of H <sub>2</sub> O <sub>2.</sub> Results demonstrated that the viability of E. coli (by DVC–FISH) was grounded to zero after 360 min of irradiation. This abatement could be caused by the oxidative stress induced by <mat:math xmlns:mat="http://www.w3.org/1998/Math/MathML" altimg="urn:x-wiley:00318655:media:php12779:php12779-math-0001" xmlns:wiley="http://www.wiley.com/namespaces/wiley/wiley" wiley:location="equation/php12779-math-0001.png"> <mat:mrow> <mat:mo>·</mat:mo> <mat:mtext>OH</mat:mtext> </mat:mrow> </mat:math> radicals or another photo‐induced reactive oxygen species. Two 2 3 factorial experimental designs enabled the evaluation of the effects of chemical factors on the inactivation of E. coli . The first experimental design considered the <fc>pH</fc> , iron and H <sub>2</sub> O <sub>2</sub> , while the second evaluated the ions fluoride, carbonate and phosphate found in groundwater. <fc>pH</fc> was found to play a key role in the inactivation of E. coli . The best reduction in viability was obtained at the lower <fc>pH</fc> (6.75), while a nonsignificant effect was observed when iron or H <sub>2</sub> O <sub>2</sub> concentrations were raised. At higher concentrations, anions, such as carbonate and phosphate, negatively affected the E. coli abatement. However, a higher concentration of fluoride accelerated it. In all experiments, the <fc>pH</fc> was observed to rise to values higher than 8.0 units after 360 min of treatment. </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：id =“php12779-abs-abs-abs-0001”> <标题类型=“main”>抽象</ title> < P>天然地下水的样品（具有低浊度，中性<Fc> pH </ Fc>和0.3mg L α1</ sup>铁浓度）接种大肠杆菌（Escherichia coli）K-12在存在和不存在10 mg l β1/ sup>的H <sub> 2 </ sub> O <sub> 2中，都暴露于模拟的太阳光。</ sub>结果表明e的可行性。在照射360分钟后，COLI </ I>（通过DVC-FISH）将其接地为零。这种减少可能是由<mat：math xmlns：mat =“http://www.w3.org/1998/math/mathml”altimg =“urn：X-Wiley：00318655：媒体：PHP12779 ：php12779-math-0001“xmlns：wiley =”http://www.wiley.com/namespaces/wiley/wiley“wiley：location =”等式/ php12779-math-0001.png“> <mat：mrow> < MAT：··</ MAT：MO> <MAT：MTEXT> OH </ MAT：MTEXT> </ MAT：MROW> </ MAT：MATH>自由基或其他光诱导的反应性氧。两种2 3 </ sup>因子实验设计使得化学因素对灭活的影响得到了评价。 Coli </ i>。第一种实验设计认为<Fc> pH </ Fc>，铁和H <sub> 2 </ sub> O <sub> 2 </ sub>，而第二个评估了地下水中发现的离子氟化物，碳酸盐和磷酸盐。发现<FC> pH </ FC>在灭活中发挥关键作用。 Coli </ i>。在较低的<Fc> pH / Fc>（6.75）中获得了活力的最佳减少，而铁或H <sub> 2 </ sub>浓度，则观察到不显着的效果.2 </ sub>浓度被提升了。在较高的浓度下，阴离子，例如碳酸盐和磷酸盐，对其产生负面影响。 Coli </ i>减少。然而，较高浓度的氟化物加速了它。在所有实验中，观察到<Fc> pH </ Fc>在360分钟后升高到高于8.0单位的值。 </ p> </ abstract> </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-29317/'>《Photochemistry and Photobiology: An International Journal 》</a> <b style="margin: 0 2px;">|</b><span>2017年第5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=Gutiérrez‐Zapata Héctor Mario&option=202" target="_blank" rel="nofollow">Gutiérrez‐Zapata Héctor Mario;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Alvear‐Daza John Jairo&option=202" target="_blank" rel="nofollow">Alvear‐Daza John Jairo;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Rengifo‐Herrera Julián Andrés&option=202" target="_blank" rel="nofollow">Rengifo‐Herrera Julián Andrés;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sanabria Janeth&option=202" target="_blank" rel="nofollow">Sanabria Janeth;</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>Environmental Microbiology and Biotechnology LaboratoryUniversidad del Valle – Sede MeléndezCali Colombia;</p> <p>Environmental Microbiology and Biotechnology LaboratoryUniversidad del Valle – Sede MeléndezCali Colombia;</p> <p>Centro de Investigación y Desarrollo en Ciencias Aplicadas “Dr. J.J. Ronco” (CINDECA)UNLP‐CCT La PlataLa Plata Buenos Aires Argentina;</p> <p>Environmental Microbiology and Biotechnology LaboratoryUniversidad del Valle – Sede MeléndezCali Colombia;</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 style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span> <a href="https://www.zhangqiaokeyan.com/clc/4815.html" title="光化学、辐射化学、超声波作用的化学过程">光化学、辐射化学、超声波作用的化学过程 ;</a> <a href="https://www.zhangqiaokeyan.com/clc/1345.html" title="生物光学">生物光学 ;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> </p> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=黄宏霞&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 黄宏霞</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张高科&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,张高科</a> <span> <a href="/conference-cn-8330/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第十三届全国太阳能光化学与光催化学术会议 </a> <span> <span> . 2012</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020312386009.html">两种天然抗氧化剂对铁离子诱导的羟自由基形成以及细胞毒性的影响</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张丹&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 张丹</a> <span> . 2009</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120108849635.html">一种以吐铁壳为主料的天然饲料添加剂及其制备方法</a> <b>[P]</b> . <span> 中国专利： CN106376732A </span> <span> . 2017-02-08</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120100173698.html">铁碳微电解串联天然沸石去除黑臭水体中总氮的方法及反应装置</a> <b>[P]</b> . <span> 中国专利： CN109399838A </span> <span> . 2019-03-01</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130439362060.html">METHOD FOR PRODUCING NANOSTRUCTURE OF IRON CATALYST FOR FENTON OXIDATION OF WASTEWATER TO PREVENT GENERATION OF IRON SLURRY AND RESIDUES OF HYDROGEN PEROXIDE FLUID AND TO ELIMINATE DEMAND FOR ADDITIONAL PH SETTING</a> <b>[P]</b> . <span> 外国专利：  KR20050017863A </span> <span> . 2005-02-23</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：生产用于废水的Fenton氧化的铁催化剂的纳米结构，以防止产生铁水和过氧化氢残留物，并消除附加PH设定的需求 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130479637584.html">Coupled photochemical synthesis of hydrazine and hydrogen peroxide - by reacting nitrogen and water with sodium and sodium peroxide formed photochemically</a> <b>[P]</b> . <span> 外国专利：  DE2742370A1 </span> <span> . 1979-03-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：光化学合成肼和过氧化氢-通过使氮和水与光化学形成的钠和过氧化钠反应 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130436668415.html">Sequential treatment of organics and heavy metal ions wastewater, comprises initializing fenton process by adding ferrous salt and hydrogen peroxide into continuously mixing wastewater, and adding iron salt to re-adjust molar ratio</a> <b>[P]</b> . <span> 外国专利：  DE102004029072A1 </span> <span> . 2006-01-12</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：依次处理有机物和重金属离子废水，包括通过在连续混合的废水中添加亚铁盐和过氧化氢来初始化芬顿过程，并添加铁盐以重新调节摩尔比 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704024468161','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img src="https://cdn.zhangqiaokeyan.com/img/loginclose.png" alt="关闭" onclick="$('.journalsub-pop-up').hide()"> <p class="pardon">抱歉，该期刊暂不可订阅，敬请期待！</p> <p class="current">目前支持订阅全部北京大学中文核心（2020）期刊目录。</p> <div style="display: flex;margin-top: 69px;justify-content: space-between;"> 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