Characterization and bioleaching of nickel laterite ore using Bacillus subtilis strain

Giese Ellen C.; Carpen Hannah L.; Bertolino Luiz C.; Schneider Claudio L.

摘要

Abstract > There are two principal types of nickel (Ni) deposits: sulfide and laterite ores. Interest in low‐grade Ni‐laterite ores has increased in recent years as high‐grade Ni‐sulfide deposits are being quickly depleted. However, processing of Ni laterites has proven technically difficult and costly, and the development of alternative low‐cost biotechnologies for Ni solubilization has been encouraged. In this context, by the first time, a sample of Brazilian Ni‐laterite ore was analyzed mineralogically and subjected to bioleaching tests using a heterotrophic Bacillus subtilis strain. SEM‐analysis indicated that the primary Ni carrier mineral is goethite. Chemical analysis of different grain size fractions indicated a homogeneous distribution of Ni. XRF‐analysis showed that the ore consists mainly in lizardite (32.6% MgO) and contains1.0% NiO (0.85% Ni). Bioleaching batch experiments demonstrated that about 8.1% Ni (0.7 mg Ni/g ore) were solubilized by the B. subtilis after 7 days. Application of microwave heating as a Ni‐laterite pretreatment was also tested. This pretreatment increased the bioextraction of Ni from 8% to 26% (2.3 mg Ni g ?1 ore). </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 Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 有两种主要类型的镍（Ni）沉积物：硫化物和红土矿石。近年来，近年来，对低级Ni-Widerite ORES的兴趣随着高档硫化物沉积物迅速耗尽。然而，Ni Kiderite的加工证实且昂贵且昂贵，并鼓励了Ni溶解的替代低成本生物技术的发展。在这种情况下，首次分析巴西Ni-Widdite ORE的样品，使用异养型杂化枯草芽孢杆菌</ i> 拉紧。 SEM分析表明，主要NI载体矿物是可粘散。不同粒度分数的化学分析表明Ni的均匀分布。 XRF分析表明，矿石主要由蜥蜴（32.6％MgO）组成，含有1.0％NiO（0.85％Ni）。生物浸出批量实验证明，溶解约8.1％的Ni（0.7mg Ni / g矿石） b。枯草芽孢杆菌</ i> 7天后。还测试了微波加热作为Ni-Widdite预处理的应用。这种预处理从8％达26％增加了Ni的生物萃取量（2.3毫克Ni G. ？1 </ sup> 矿石）。 </ p> </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-15005/'>《Biotechnology Progress》</a> <b style="margin: 0 2px;">|</b><span>2019年第6期</span><b style="margin: 0 2px;">|</b><span>共7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=Giese Ellen C.&option=202" target="_blank" rel="nofollow">Giese Ellen C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Carpen Hannah L.&option=202" target="_blank" rel="nofollow">Carpen Hannah L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bertolino Luiz C.&option=202" target="_blank" rel="nofollow">Bertolino Luiz C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Schneider Claudio L.&option=202" target="_blank" rel="nofollow">Schneider Claudio L.;</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>Center for Mineral Technology (CETEM)Rio de Janeiro Brazil;</p> <p>Center for Mineral Technology (CETEM)Rio de Janeiro Brazil;</p> <p>Center for Mineral Technology (CETEM)Rio de Janeiro Brazil;</p> <p>Center for Mineral Technology (CETEM)Rio de Janeiro Brazil;</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/15.html" title="生物科学">生物科学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bacillus subtilis&option=203" rel="nofollow">Bacillus subtilis;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=bioleaching&option=203" rel="nofollow">bioleaching;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=microwave heating&option=203" rel="nofollow">microwave heating;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=nickel laterite&option=203" rel="nofollow">nickel laterite;</a> </p> <div class="translation"> 机译：枯草芽孢杆菌;生物浸润;微波加热;镍红土; </div> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704021880506.html">Characterization and bioleaching of nickel laterite ore using Bacillus subtilis strain</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Giese Ellen C.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Giese Ellen C.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Carpen Hannah L.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Carpen Hannah L.,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Bertolino Luiz C.&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Bertolino Luiz C.,</a> <a href="/journal-foreign-15005/" target="_blank" rel="nofollow" class="tuijian_authcolor">Biotechnology Progress .</a> <span>2019</span><span>,第6期</span> </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：枯草芽孢杆菌菌株的镍红土矿石的表征与生物浸渍</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_international-journal-environment-waste-management_thesis/020412758806.html">Using halotolerant Aspergillus foetidus in bioleaching nickel laterite ore</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Marjorie Valix&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Marjorie Valix,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Vijaya Thangavelu&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Vijaya Thangavelu,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dan Ryan&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Dan Ryan,</a> <a href="/journal-foreign-3159/" target="_blank" rel="nofollow" class="tuijian_authcolor">International journal of environment and waste management .</a> <span>2009</span><span>,第3a4期</span> </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：在生物浸出镍红土矿石中使用卤代人香曲霉</span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/070406815025.html">Comparative study of chelating ion exchange resins for metal recovery from bioleaching of nickel laterite ores</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=A. 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