黄金, 2013, (9): 62-64. doi: 10.11792/hj20130914
阶段磨矿阶段浮选工艺在云南镇沅金矿的应用
王彦慧 1, , 石凤野 2, , 赵健伟 3, {"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"以2,5-二溴噻吩为底物,经醛基化、Kr(o)hnke吡啶合成反应、Suzuki偶联三步制备了联噻吩桥联双三联吡啶(BTTPY,总产率13％).通过紫外吸收及荧光光谱研究了其在酸性介质中的质子化效应,BTTPY在乙酸和三氟乙酸中的吸收及荧光光谱较非质子溶剂中均有明显红移.借助紫外吸收滴定法研究了其与过渡金属离子(Ni2+、Zn2+、Cd2+、Cu2+)的配位作用.结果表明BTTPY可与这些金属离子形成1∶1的配合物,原子力显微镜(AFM)图像显示,BTTPY与铬离子所形成的配位聚合物主要呈现一维堆积.","authors":[{"authorName":"李春丽","id":"afac6c70-472c-4ac7-9407-08147d9614de","originalAuthorName":"李春丽"},{"authorName":"李彪","id":"b1013e6d-486d-426b-96cb-ec7686392058","originalAuthorName":"李彪"},{"authorName":"王治华","id":"40519301-35f3-4831-841f-26819ff44b66","originalAuthorName":"王治华"},{"authorName":"王华","id":"008c841c-dbe0-4237-8344-20eab2972c15","originalAuthorName":"王华"}],"doi":"10.7517/j.issn.1674-0475.2013.02.004","fpage":"117","id":"3308094f-716f-4f02-80d9-2a8dcf334f04","issue":"2","journal":{"abbrevTitle":"YXKXYGHX","coverImgSrc":"journal/img/cover/YXKXYGHX.jpg","id":"74","issnPpub":"1674-0475","publisherId":"YXKXYGHX","title":"影像科学与光化学 "},"keywords":[{"id":"e3d3b93e-e966-4326-b7c5-fa8522e006e5","keyword":"联噻吩桥联双三联吡啶","originalKeyword":"联噻吩桥联双三联吡啶"},{"id":"dbc05b26-c860-4a5f-b87a-9c43293f8b47","keyword":"合成","originalKeyword":"合成"},{"id":"14050f89-7d05-4d4d-b855-d2b4dc07cb11","keyword":"质子化作用","originalKeyword":"质子化作用"},{"id":"0d0e5b61-aab3-4cc0-af3d-75f0a72d91e9","keyword":"金属配位","originalKeyword":"金属配位"}],"language":"zh","publisherId":"ggkxyghx201302004","title":"联噻吩桥联双三联吡啶的合成、质子化及其与金属离子的配位","volume":"31","year":"2013"},{"abstractinfo":"通过对壳聚糖进行交联和质子化，制备一种吸附剂。研究质子化交联壳聚糖颗粒投加量、初始氨基黑10质量浓度、吸附时间、温度等对吸附脱色效果的影响。在吸附剂质量浓度为4．2g／L条件下，当氨基黑10B初始质量浓度低于40mg／L时，吸附率可以维持在85％以上，外加阴离子对氨基黑10B的吸附脱色有抑制作用。氨基黑10B在质子化交联壳聚糖上的吸附符合Langmuir等温模型。静电吸引力是氨基黑10B吸附的主要驱动力。","authors":[{"authorName":"刘倩","id":"2f633e73-6790-496c-93cb-7a9979ff9e5b","originalAuthorName":"刘倩"},{"authorName":"杨炳超","id":"234ea04e-597c-43a7-95ec-ac7d275b728f","originalAuthorName":"杨炳超"},{"authorName":"霍杰","id":"36e1c1e9-d6f8-44db-849a-b30663b43ac0","originalAuthorName":"霍杰"},{"authorName":"黄瑞华","id":"0fe5c26f-8523-47e9-bc58-a5bbc94cb848","originalAuthorName":"黄瑞华"}],"doi":"","fpage":"928","id":"eb1325e4-77f1-4ddc-b571-0fdc2659df84","issue":"6","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"c535cd13-45ce-4876-bdde-8db3ede8b68f","keyword":"质子化交联壳聚糖","originalKeyword":"质子化交联壳聚糖"},{"id":"f759fccc-9b7b-4d0b-b170-1dfe3c5e1edc","keyword":"氨基黑10B","originalKeyword":"氨基黑10B"},{"id":"007eacad-596a-4c8c-97e0-bf51ddf3cda0","keyword":"吸附","originalKeyword":"吸附"}],"language":"zh","publisherId":"clkxygc201206025","title":"质子化交联壳聚糖对氨基黑10B的吸附","volume":"30","year":"2012"},{"abstractinfo":"用光度法测得5种四苯基卟啉蒽醌化合物的表观质子化常数,以ln Kθ对1/T作线性回归,求出质子化过程的△rHθm＜0及△rSθm＞0.探讨了取代基的电子效应、空间效应对质子化常数的影响,并通过半经验量子化学计算方法PM3计算了卟啉环中2个氮原子(＝N-)的净电荷和前线轨道能量差.","authors":[{"authorName":"胡珍珠","id":"f9f1acd4-8e85-4c9b-917b-2474a4a98f1d","originalAuthorName":"胡珍珠"},{"authorName":"朱志昂","id":"0df86e5f-b60e-4b49-bfc7-672e2e63dad6","originalAuthorName":"朱志昂"},{"authorName":"陈东红","id":"dd36fb88-b391-4a0c-8e4d-ad46d8d8d0d2","originalAuthorName":"陈东红"}],"doi":"10.3969/j.issn.1000-0518.2004.08.004","fpage":"770","id":"dca89693-764a-4aa8-a566-15e8e44ac093","issue":"8","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"1da16d66-b31f-456e-afd7-fbd09381251e","keyword":"卟啉葸醌化合物","originalKeyword":"卟啉葸醌化合物"},{"id":"f2d0420f-e5d8-4054-bb9c-a86b51dd9907","keyword":"表观质子化常数","originalKeyword":"表观质子化常数"},{"id":"2c005f0c-1470-4c41-8e25-e6fb573cf80c","keyword":"电子吸收光谱","originalKeyword":"电子吸收光谱"},{"id":"7582b1a8-18a5-472d-9abb-925032626578","keyword":"PM3","originalKeyword":"PM3"}],"language":"zh","publisherId":"yyhx200408004","title":"四苯基卟啉蒽醌化合物的质子化热力学","volume":"21","year":"2004"},{"abstractinfo":"研究了吸附剂投加量、甲基橙初始浓度、pH值、吸附时间等条件对甲基橙脱色效果的影响.结果表明,在质子化壳聚糖用量为3.6g/L条件下,对质量浓度低于200mg/L甲基橙溶液的吸附率不低于90％.拟二级动力学模型能很好地描述其吸附过程；吸附等温线符合Langmuir模型.质子化壳聚糖在较宽的pH值范围内对甲基橙具有较好的脱色效果,可提高壳聚糖的利用价值.","authors":[{"authorName":"杨炳超","id":"51d13c03-1bdd-4427-a163-e0702dfe775d","originalAuthorName":"杨炳超"},{"authorName":"刘倩","id":"8722e53f-4493-4adb-bace-bdd04fe69940","originalAuthorName":"刘倩"},{"authorName":"霍杰","id":"4ba790d4-d2b7-42dc-af69-3bb41081e372","originalAuthorName":"霍杰"},{"authorName":"黄瑞华","id":"02c33fae-13b8-4e79-a71f-2e11adb00333","originalAuthorName":"黄瑞华"}],"doi":"","fpage":"376","id":"e34e8526-0c16-4d69-9c57-fe1ae4dc5380","issue":"3","journal":{"abbrevTitle":"GNCL","coverImgSrc":"journal/img/cover/GNCL.jpg","id":"33","issnPpub":"1001-9731","publisherId":"GNCL","title":"功能材料"},"keywords":[{"id":"e520605b-6ce6-4387-9863-9aea24ca84b4","keyword":"甲基橙","originalKeyword":"甲基橙"},{"id":"232e790d-8999-4240-87a2-1b105b517914","keyword":"质子化交联壳聚糖","originalKeyword":"质子化交联壳聚糖"},{"id":"4af357d9-7b7d-4370-8f49-f1991745a8f5","keyword":"吸附脱色","originalKeyword":"吸附脱色"}],"language":"zh","publisherId":"gncl201303018","title":"质子化交联壳聚糖对甲基橙的吸附研究","volume":"44","year":"2013"},{"abstractinfo":"采用密度泛函理论B3LYP/6-31G(d,p)方法,研究了HZSM-5分子筛上不同酸性位以及相邻双酸性位对乙烯质子化反应的影响,考察了乙烯吸附、质子化反应过渡态和表面乙氧中间体的几何结构、原子电荷和相关能量.结果表明,存在紧邻酸性位的分子筛酸性明显减弱,乙烯分子的吸附能降低,但质子转移过渡态的活化能仅略有降低;次邻酸性位对酸性强度的影响很小,对乙烯质子化的影响也可忽略.乙烯质子化反应的活化能及表面乙氧中间体的生成能与酸强度没有必然关系,但与酸性位落位及周围的化学环境和空间环境有关.过渡态结构越接近碳正离子,活化能越高.","authors":[{"authorName":"任珏","id":"f050ab54-a11a-4312-8f6a-e94d429f27f9","originalAuthorName":"任珏"},{"authorName":"周丹红","id":"f491aaad-6c92-429d-a250-6144bf10555a","originalAuthorName":"周丹红"},{"authorName":"李惊鸿","id":"24870043-c343-4b7a-a702-aa5c7bcad71d","originalAuthorName":"李惊鸿"},{"authorName":"曹亮","id":"7a407ae6-bf00-4d03-9c8b-d183c6e2b96b","originalAuthorName":"曹亮"},{"authorName":"邢双英","id":"841854a4-e418-49cf-9c7a-1c853b86287b","originalAuthorName":"邢双英"}],"doi":"10.3724/SP.J.1088.2011.10110","fpage":"1056","id":"6dffef00-20b5-450b-921d-58b47053bd1a","issue":"6","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"9210aa16-03a4-4888-9b4b-2bcfc967f226","keyword":"HZSM-5分子筛","originalKeyword":"HZSM-5分子筛"},{"id":"146376ed-eb9a-42e7-abe4-d71661f2cce3","keyword":"乙烯质子化","originalKeyword":"乙烯质子化"},{"id":"4b3810d8-1862-4555-a12d-de5dd8b0032d","keyword":"Br(o)nsted-酸性位","originalKeyword":"Br(o)nsted-酸性位"},{"id":"c4ff67f5-8469-4df8-a092-b472a62bf925","keyword":"相邻酸性位","originalKeyword":"相邻酸性位"},{"id":"a37fdb3e-5443-4a86-8e2a-82c517c3b16f","keyword":"密度泛函理论","originalKeyword":"密度泛函理论"}],"language":"zh","publisherId":"cuihuaxb201106025","title":"密度泛函理论研究分子筛相邻双酸性位对乙烯质子化反应的影响","volume":"32","year":"2011"},{"abstractinfo":"应用量子力学与分子力学联合的 ONIOM2(B3LYP/6-31G(d,p):UFF)方法, 对 ZSM-5 分子筛中与 T6, T9 和 T12 位相邻的骨架铝的落位稳定性以及酸性强度进行了理论计算. 根据 Si/Al 替代能确定了最稳定的相邻酸性位在 Al6-Al6 位, 其次是 Al6-Al9 位, 通过 (Si/Al,H) 替代能计算确定了氢质子的落位. 计算结果证明了相邻骨架铝会导致酸性强度降低, 而且 Al6-Al9 位的酸性低于 Al6-Al6 位. 应用密度泛函理论方法进一步考察了相邻酸性位对乙烯分子吸附和质子化反应历程的影响. 结果表明, -Al-O-Si-O-Al-结构的相邻酸性位对乙烯分子的吸附以及质子化反应历程有明显影响, 尤其是使乙醇盐产物更不稳定.","authors":[{"authorName":"王善鹏","id":"c8e9ad7a-3f53-4ac8-b215-67b05e2063af","originalAuthorName":"王善鹏"},{"authorName":"王伊蕾","id":"d6b884a1-9973-4a98-acf2-ba111d776af5","originalAuthorName":"王伊蕾"},{"authorName":"曹亮","id":"562535c3-90a7-410b-a143-f3a2840c78ae","originalAuthorName":"曹亮"},{"authorName":"邢双英","id":"e49d31be-01b4-49e7-83ab-232dc12f1dbe","originalAuthorName":"邢双英"},{"authorName":"周丹红","id":"f651ea7f-5363-4c38-90dc-a9311095a866","originalAuthorName":"周丹红"}],"doi":"","fpage":"305","id":"e4b45cf8-84d3-4d9e-9899-0cab6cf0320d","issue":"4","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"1af59a72-79c7-4365-a834-2ccc12623dde","keyword":"ZSM-5","originalKeyword":"ZSM-5"},{"id":"172b853b-2d93-4d7c-9721-f9121df8622e","keyword":"分子筛","originalKeyword":"分子筛"},{"id":"39938510-eaca-4bca-9f39-08d20a4e13b3","keyword":"相邻酸性位","originalKeyword":"相邻酸性位"},{"id":"7c116df3-b8e5-4d8f-bbb0-078ff4f433cb","keyword":"乙烯质子化","originalKeyword":"乙烯质子化"},{"id":"d7c003cb-6d6d-424a-b306-9697c0c4ea57","keyword":"ONIOM","originalKeyword":"ONIOM"},{"id":"40d5bb4f-868e-486b-92a5-4df7b91539b7","keyword":"方法","originalKeyword":"方法"}],"language":"zh","publisherId":"cuihuaxb200904007","title":"ZSM-5 分子筛中相邻酸性位的酸性强度及其对乙烯质子化反应影响的理论计算","volume":"30","year":"2009"},{"abstractinfo":"在惰性气体保护下,研究微波活化对辉钼矿氧化焙烧性能的影响.采用激光粒度分析仪、热重(TG)分析、X射线衍射(XRD)、扫描电子显微镜(SEM)等手段对微波活化前后辉钼矿的比表面积、氧化特性、品格常数、微观结构及形貌进行分析表征,探究辉钼矿微波活化作用机理.结果表明,微波活化可以有效降低钼焙砂残硫量,增大辉钼矿比表面积.随着微波活化时间的延长,辉钼矿主成分MoS2的晶胞体积、晶粒尺寸均减小,微观应变略微增大.同时,辉钼矿表面形貌更加松散,但层状结构并未改变.微波活化显著改变了辉钼矿的氧化特性,温度超过547℃时,随着活化时间的延长,辉钼矿转化率变大,反应速度加快,600℃的失重率从5.59％增加到6.92％.","authors":[{"authorName":"杨双平","id":"f0b6248f-f775-4c19-9ab8-d07148f8ed1b","originalAuthorName":"杨双平"},{"authorName":"郭拴全","id":"b9a3f541-365b-4036-8b9e-b6a54b9c6570","originalAuthorName":"郭拴全"},{"authorName":"王磊","id":"fff5420e-78f7-4e3c-9abe-d08fc129e76d","originalAuthorName":"王磊"},{"authorName":"张攀辉","id":"14c372e1-b00a-4197-a381-6b8e022e7a63","originalAuthorName":"张攀辉"},{"authorName":"周江峰","id":"4a4a4932-9ee1-4889-a97a-afefcd458b1a","originalAuthorName":"周江峰"},{"authorName":"王苗","id":"0bfe52f6-b2b2-4eb9-b918-4f08d94e2e08","originalAuthorName":"王苗"},{"authorName":"邢相栋","id":"472cb50b-d38b-4db6-bd0f-f129605c7c1d","originalAuthorName":"邢相栋"},{"authorName":"党文静","id":"ed61703f-80d5-45ac-88db-e3c6454a0ce3","originalAuthorName":"党文静"}],"doi":"10.3969/j.issn.2095-1744.2017.02.009","fpage":"41","id":"176a8197-1a0e-41ba-a22c-005b5b662727","issue":"2","journal":{"abbrevTitle":"YSJSGC","coverImgSrc":"journal/img/cover/YSJSGC.jpg","id":"76","issnPpub":"2095-1744","publisherId":"YSJSGC","title":"有色金属工程"},"keywords":[{"id":"2670dcf1-2084-4430-a836-d9c5f16660dd","keyword":"微波活化","originalKeyword":"微波活化"},{"id":"cc9374c8-c5e2-4f52-8379-351bfe4d612c","keyword":"晶格常数","originalKeyword":"晶格常数"},{"id":"28d5ef9b-713e-4690-ba4a-484332e18010","keyword":"微观应变","originalKeyword":"微观应变"},{"id":"40038016-40bc-4eea-8553-bd40e61139a8","keyword":"辉钼矿","originalKeyword":"辉钼矿"},{"id":"4c6e34ed-b4d7-49c8-abef-cd8a2ab5489e","keyword":"比表面积","originalKeyword":"比表面积"}],"language":"zh","publisherId":"ysjs201702009","title":"辉钼矿微波活化作用机理","volume":"7","year":"2017"},{"abstractinfo":"本文通过对添加催化剂(CaO)和没有添加催化剂的脱矿煤粉(煤粉中的矿物质对煤焦还原NOx也有催化作用)燃烧NOx生成的比较研究.量化分析了CaO对NOx生成的影响.本文实验均在1050°C,一个标准大气压下完成.试验用煤为神府褐煤.","authors":[{"authorName":"唐浩","id":"421daf22-5142-464c-babb-a2fadc7fcf7c","originalAuthorName":"唐浩"},{"authorName":"钟北京","id":"5b462a84-b1e9-43f0-b47f-607f08fdaba8","originalAuthorName":"钟北京"}],"doi":"","fpage":"1058","id":"2c065540-39e1-4a48-8906-0672c4f0527b","issue":"6","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"942e7887-6015-4da3-a0a1-6f1defeaed49","keyword":"煤焦还原NOx","originalKeyword":"煤焦还原NOx"},{"id":"2f2c8c9d-bdce-4cc5-ae2e-edd4fac14ebb","keyword":"脱矿煤粉","originalKeyword":"脱矿煤粉"}],"language":"zh","publisherId":"gcrwlxb200306047","title":"CaO对煤焦还原NO的催化作用","volume":"24","year":"2003"},{"abstractinfo":"为研究矿渣本身对氯离子的固化作用,以石灰作为激发剂制备出硬化矿渣浆体,采用化学分析方法测定了矿渣固化氯离子的能力.结果表明:矿渣不但具有化学结合氯离子的能力,还具有物理吸附氯离子的能力,其固化等温线适合Freundlich关系曲线;随着pH值增大,矿渣固化氯离子的能力降低,其下降的幅度比硅酸盐水泥更大;与硅酸盐水泥不同,随着温度升高,矿渣固化氯离子的能力增强.","authors":[{"authorName":"勾密峰","id":"15893d56-3d4a-43ea-b7ea-abb7d4c280bd","originalAuthorName":"勾密峰"},{"authorName":"黄飞","id":"99530192-c3dc-43ed-aca7-4f0398bf56f4","originalAuthorName":"黄飞"},{"authorName":"管学茂","id":"3abf4956-8c5d-408f-9ed7-86149059e492","originalAuthorName":"管学茂"}],"doi":"","fpage":"120","id":"4176c49b-04e0-454d-b5bd-1c18e2f445fe","issue":"10","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"1e252e11-e01d-4f50-8613-7ee04e213640","keyword":"矿渣","originalKeyword":"矿渣"},{"id":"4f974056-e23f-4810-9ad6-cfe39b3dcfd5","keyword":"固化","originalKeyword":"固化"},{"id":"09487cc9-5314-4dbf-a8e5-47f1b6f17bf8","keyword":"氯离子","originalKeyword":"氯离子"}],"language":"zh","publisherId":"cldb201410031","title":"矿渣对氯离子的固化作用","volume":"28","year":"2014"},{"abstractinfo":"以明胶及葡聚糖为有机基质,在常温中性条件下进行模拟铁生物矿化实验.目的是研究蛋白质及葡聚糖对氢氧化铁凝胶矿化行为的调控作用及其机理,结果表明蛋白质及葡聚糖通过选择成核和相变的机制控制矿化产物的晶体类型、形貌、性质及生长方式等.蛋白质及葡聚糖的活性功能团,能够作为成核位点吸引Fe(Ⅲ)与之发生配位作用而在有机质自组装形成的分子结构中成核结晶,并有一定的取向生长.蛋白质及葡聚糖的分子结构及其性质在矿化过程中发挥了至关重要的作用,矿化体系的pH值、碱度、陈化温度和陈化时间等都能影响氢氧化铁凝胶的矿化行为.最后简要探讨了两者作用机理的不同.","authors":[{"authorName":"方胜强","id":"94d3b16c-827a-4cec-9e3b-aa2940aeb0dc","originalAuthorName":"方胜强"},{"authorName":"孙振亚","id":"f855bd6f-cf55-4009-bb0c-0bc78940c05e","originalAuthorName":"孙振亚"},{"authorName":"黄江波","id":"59721bb6-a098-4905-a251-6474d2de9c94","originalAuthorName":"黄江波"}],"doi":"","fpage":"137","id":"99ae04d6-7d9a-46e2-8947-0e77722688e5","issue":"1","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"14a288d1-c067-4d33-a4e6-26bd8329f191","keyword":"明胶","originalKeyword":"明胶"},{"id":"bb5f3136-969c-478f-8a13-77cd12e5fc74","keyword":"葡聚糖","originalKeyword":"葡聚糖"},{"id":"afd86ebe-cd7e-45cf-a5e1-03aaf2b12c2f","keyword":"生物矿化","originalKeyword":"生物矿化"},{"id":"2ebe7b30-e39a-416a-ade2-2fa60631926a","keyword":"Fe(OH)3凝胶","originalKeyword":"Fe(OH)3凝胶"}],"language":"zh","publisherId":"clkxygc200801036","title":"明胶调控纳米铁矿物生物矿化作用","volume":"26","year":"2008"}],"totalpage":3143,"totalrecord":31427}