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化学工业与工程 2012, Vol. 29 Issue (6) :30-35    DOI:
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镍-铝-钼合金展开过程钼流失抑制及催化性能
 王继民, 陈怀杰, 陈湘平, 林恬盛, 吴昊, 曹洪杨
1.广州有色金属研究院稀有金属研究所;2. 广东美的致冷设备有限公司
Mo Loss-Inhibition in Ni-Al-Mo Ternary Alloy Spreading Process and Catalyst Performance
WANG  Ji-Min, CHEN  Huai-Jie, CHEN  Xiang-Ping, LIN  Tian-Sheng, WU  Hao, CAO  Hong-Yang
1.Guangzhou Research Institute of NonFerrous Metals;2. Guangdong Midea Refrigeration Equipment Co. Ltd

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摘要 为了提高钼改性雷尼镍催化剂的性能,就镍-铝-钼三元合金展开过程钼的流失情况,以及在展开过程的初始氢氧化钠溶液中添加钼酸钠的抑制钼流失效果进行考察研究,并对采用抑制钼流失工艺所制备钼改性雷尼镍催化剂在葡萄糖加氢中的活性、循环使用寿命及抗毒性进行了对比考察。结果表明,添加钼酸盐对合金在展开过程中钼的溶出流失有明显的抑制作用,所制备的催化剂中Mo/Ni质量比提高,并伴随着催化剂在葡萄糖的加氢中催化初活性,临界用量的循环套用次数、抗糖化酶及亚硫酸氢钠毒性能力等性能有大幅度提高。
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王继民
陈怀杰
陈湘平
林恬盛
吴昊
曹洪杨
关键词含钼雷尼镍   抑钼流失   葡萄糖加氢   使用寿命   抗毒性     
Abstract: To enhance the performance of Mo-promoted Raney nickel catalyst, the loss by dissolution of molybdenum from Ni-Al-Mo ternary alloys, and effect of Mo-loss inhibition with adding sodium molybdate into initial caustic sodium solution during the Ni-Al-Mo ternary alloy spreading process were investigated. The catalytic performances in glucose hydrogenation of the catalysts prepared with or without the Mo-loss inhibition were studied contrastively,including recycle time, antitoxicity and catalytic activity in glucose hydrogenation of catalysts. Experimental results showed that the loss of molybdenum by dissolution from Ni-Al-Mo ternary alloy was obviously diminished with the Mo-loss inhibition during the alloy spreading process. It followed that the performances of the catalyst in glucose hydrogenation were improved, which including catalytic activity at first usage, recycle lifetime with critical dose, and anti-toxicity against saccharifying enzyme and sodium bisulfate.
KeywordsMo-promoted Raney nickel   Mo-loss inhibition   glucose hydrogenation   recycle time   anti-toxicity     
Received 2012-07-16;
Corresponding Authors: 王继民,电话:13609797980,E-mail:wongjm@126.com。     Email: wongjm@126.com
About author: 王继民(1955-),男,硕士,教授级高级工程师,有色金属冶金专业。
引用本文:   
王继民, 陈怀杰, 陈湘平, 林恬盛, 吴昊, 曹洪杨.镍-铝-钼合金展开过程钼流失抑制及催化性能[J].  化学工业与工程, 2012,29(6): 30-35
WANG Ji-Min, CHEN Huai-Jie, CHEN Xiang-Ping, LIN Tian-Sheng, WU Hao, CAO Hong-Yang.Mo Loss-Inhibition in Ni-Al-Mo Ternary Alloy Spreading Process and Catalyst Performance[J].  Chemcial Industry and Engineering, 2012,29(6): 30-35
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