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| 1 | 油酸钠浮选体系中蛇纹石对菱镁矿浮选的影响显示文摘讨论了在油酸钠浮选体系中菱镁矿、蛇纹石以及石英的浮游特性,蛇纹石对菱镁矿可浮性的影响,不同粒级蛇纹石对不同粒级菱镁矿可浮性的影响,蛇纹石对菱镁矿和石英混合矿浮选的影响并探讨了其机理.结果表明,不同粒级蛇纹石对不同粒级菱镁矿的影响不同,蛇纹石对菱镁矿的浮选起到很强的抑制作用,由矿物溶解组分图和扫描电镜分析可知,这主要是由于蛇纹石溶解性较强,溶解的离子具有较强的亲水性,并且易与菱镁矿表面暴露的Mg2+,O2-结合,从而使菱镁矿表面亲水性增强,同时减少了菱镁矿表面离子与油酸钠的结合,从而对菱镁矿起到抑制作用. | 姚金 侯英 印万忠 张丽丽 | 2013 | 东北大学学报(自然科学版)2013，34，6： | 6 |
| 2 | Review of the Metallogenic Regularity of Magnesite Deposits in China显示文摘China has abundant reserves of magnesite, making it the world's leading source of this strategic mineral.Sparry magnesite is the main type of magnesite deposit, and is easy to exploit.It occurs mainly as the sedimentary-metamorphic type.Production is centred on eastern Liaoning Province, where a world-class large to super large magnesite ore processing and production facility has been developed.Hydrothermal metasomatic deposits, associated with ultramafic complexes and eluvial deposits produced by weathering, are two other important types found in China.The Western section of the Bangonghu-Nujiang metallogenic belt is an important target region for prospecting lake-sedimentary magnesite deposits.Based on a systematic analysis of material from 62 magnesite production areas, this study investigated the metallogeny of magnesite and delineated 13 magnesite metallogenic belts.Maps were produced showing metallogenic regularities in magnesite deposits, the metallogenic system of the magnesite deposits, and the distribution of the metallogenic belts of Chinese magnesite deposits.It provides a theoretical basis for forecasting the location of potential magnesite resources in China.Finally, it explores some key scientific issues, including the formation processes of ultra magnesite ore-concentrated areas, and their sources of magnesium. | ZHAO Zheng CUI Xiaolin WANG Denghong CHEN Yuchuan BAI Ge LI Jiankang LIU Xinxing | 2015 | Acta Geologica Sinica(English Edition)2015，89，5： | 3 |
| 3 | 抑制剂羟乙基磷酸四钠在水镁石与白云石浮选分离中的选择性吸附作用研究显示文摘本研究以十二烷基磺酸钠为捕收剂、羟乙基磷酸四钠为抑制剂,开展了水镁石与白云石的浮选分离试验。微浮选试验表明,在羟乙基磷酸四钠作用下,白云石的可浮性大幅下降,水镁石可浮性略有降低,两种矿物的可浮性差异显著;其中,在十二烷基磺酸钠浓度为30 mg/L、羟乙基磷酸四钠浓度为100 mg/L时,水镁石和白云石单矿物取得了73.91%的最大浮游差,同时白云石的浮选回收率仅为11.98%。接触角与动电位分析表明,羟乙基磷酸四钠选择性显著降低白云石的润湿性与荷电性,轻微影响水镁石的润湿性与可浮性。红外光谱分析表明,羟乙基磷酸四钠在白云石表面吸附强烈,它存在时十二烷基磺酸钠在白云石表面的吸附能力很弱;但羟乙基磷酸四钠在水镁石表面的吸附能力较弱,无法影响十二烷基磺酸钠在水镁石表面的吸附。X射线光电子能谱分析表明,羟乙基磷酸四钠选择性地与白云石表面暴露的Ca位点结合,进而阻碍了十二烷基磺酸钠对白云石吸附,使白云石的可浮性处于较差的状态。 | 宫秀峰 姚金 杨斌 印万忠 付亚峰 王余莲 | 2023 | Journal of Central South University2023，30，8： | 0 |
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