【摘要】 用共沉淀法制备纳米ZnO型复合金属氧化物脱硫剂.此脱硫剂在中温、无氧条件下脱硫,硫容可达32.5%.同时,进行了锌、铜、锰氧化物的一元及二元组合的脱硫反应.实验证明:在相同的反应条件下,同时掺杂CuO和MnO2的ZnO脱硫剂的脱硫能力最佳,且降低了单一ZnO脱硫剂的硫化温度.少量的La2O3和CeO2作用于脱硫剂中,增加了脱硫剂的反应活性,提高了脱硫能力.并采用了DTA和XRD技术分析金属氧化物分解温度及脱硫剂组成结构.更多还原

【Abstract】 Nanometer ZnO-based compound metal oxide desulfurizer was prepared by co-deposition. Maximal sulfur capacity of desulfurizer reaches 32.5% under the middle temperature and no oxygen. Further more , one or two of three metal oxides were mixed and have a desulfurization reaction.The result shows that sulfur capacity of ZnO mixed with CuO、MnO is better, moreover desulfurization temperature is lower than that of single ZnO. A few of La₂O₃ and CeO₂ intermingled in desulfurizer can increase reaction activity and enhance desulfurization ability. This paper introduces DTA and XRD techniques to analyze decompounding temperature of metal oxide and constitute of desulfurizer.更多还原