首页> 外文期刊>The Canadian Journal of Chemical Engineering >Role of mineral flotation technology in improving bitumen extraction from mined Athabasca oil sands: I. Flotation chemistry of water‐based oil sand extraction ?

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Role of mineral flotation technology in improving bitumen extraction from mined Athabasca oil sands: I. Flotation chemistry of water‐based oil sand extraction ?

机译：矿物浮选技术在改善煤豆油砂沥青提取中的作用：I。水性油砂萃取的浮选化学素？

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Abstract <section xml:id="cjce23139-sec-0001"> >The role of surface hydrophobicity in water‐based oil sand extraction is examined from the perspective of mineral flotation separation. Although anionic carboxylates (sulphonates) released from bitumen are helpful for charging bitumen and liberating bitumen from sand grains, their presence in oil sand slurries tends to make bitumen and bubbles less hydrophobic. In addition, solid hydrophobization under oil sand extraction conditions can occur through different mechanisms of carboxylate adsorption. It is the hydrophobized fine solids that present challenges for achieving a high bitumen recovery with a good froth quality, due to their competition with bitumen for attachment to bubbles. While chemisorption of carboxylates contributes to hydrophobization of heavy minerals present in oil sands, carboxylate adsorption activated by hydrolyzed metal cations alters silica and clays from hydrophilic to hydrophobic. Different adsorption mechanisms of calcium on silica, clays, and other minerals are analyzed to explain why fine solids of varying mineralogy in combination with calcium affect bitumen extraction differently. Metal ions that activate solid hydrophobization under oil sand extraction conditions are identified from dynamic attachment of solids from mature fine tailings (MFT) to bitumen. To mitigate the effect of fines on oil sand extraction, selective flocculation of fine solids is recognized as especially feasible for bitumen flotation recovery from oil sand middling streams. Future research in reducing or eliminating caustic addition, understanding the role of inorganic anions, and searching for feasible techniques for treating MFT based on different mineralogy and surface properties, are briefly discussed. </section> </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> <第XML：ID =“CJCE23139-SEC-0001”> >从矿物浮选分离的角度检查了表面疏水性在水性油砂中的作用。尽管从沥青中释放的阴离子羧酸盐（磺酸盐）有助于将沥青和从砂粒中解放沥青中的沥青，但它们在油砂浆中的存在往往会使沥青和泡沫较少的疏水性。此外，通过羧酸盐吸附的不同机制，可以发生油砂提取条件下的固体疏水化。它是疏水化的细固体，目前冒着良好的泡沫质量取得高沥青回收的挑战，因为它们与沥青竞争为泡沫的竞争。虽然羧酸盐的化学吸附有助于油砂中存在的重型矿物质的疏水化，但是通过水解金属阳离子激活的羧酸盐吸附改变二氧化硅和粘土，从亲水到疏水。分析了二氧化硅，粘土和其他矿物质上钙的不同吸附机制，以解释为什么不同矿物学与钙相结合的细固体不同地影响沥青提取。在油砂提取条件下激活固体疏水化的金属离子是从成熟精细尾矿（MFT）到沥青的固体连接。为了减轻粉末对油砂提取的影响，精细固体的选择性絮凝被认为是从油沙中间流中沥青浮选回收的特别可行的。还简要讨论了在减少或消除无机阴离子的作用，以及寻找基于不同矿物学和表面特性治疗MFT的可行技术的未来研究。</ p> </部分> </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-30631/'>《The Canadian Journal of Chemical Engineering》</a> <b style="margin: 0 2px;">|</b><span>2018年第9期</span><b style="margin: 0 2px;">|</b><span>共14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=Zhou Joe&option=202" target="_blank" rel="nofollow">Zhou Joe;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Haihong&option=202" target="_blank" rel="nofollow">Li Haihong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhao Liyan&option=202" target="_blank" rel="nofollow">Zhao Liyan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chow Ross&option=202" target="_blank" rel="nofollow">Chow Ross;</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>Heavy Oil and Oil SandsInnoTech Alberta Inc.Edmonton AB Canada;</p> <p>Heavy Oil and Oil SandsInnoTech Alberta Inc.Edmonton AB Canada;</p> <p>Heavy Oil and Oil SandsInnoTech Alberta Inc.Edmonton AB Canada;</p> <p>Heavy Oil and Oil SandsInnoTech Alberta Inc.Edmonton AB Canada;</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/238.html" title="化学工业">化学工业;</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=oil sands&option=203" rel="nofollow">oil sands;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=flotation chemistry&option=203" rel="nofollow">flotation chemistry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hydrophobicity&option=203" rel="nofollow">hydrophobicity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=adsorption&option=203" rel="nofollow">adsorption;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=selective flocculation&option=203" rel="nofollow">selective flocculation;</a> </p> <div class="translation"> 机译：油砂;浮选化学;疏水性;吸附;选择性絮凝; </div> </li> <li> <span class="lefttit">入库时间</span> <span>2022-08-20 07:06:11</span> </li> </ul> </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/0704024776747.html">Role of mineral flotation technology in improving bitumen extraction from mined Athabasca oil sands: I. 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