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该文主要以色谱技术研究了负载型Ni(Ac)_2的热分解性能。结果表明,Ni(Ac)_2的分解过程取决于载体的性质。强酸性载体HZSM-5分子筛起催化分解作用,导致Ni(Ac)_2分解时在低温区出现CH_4和CO_2峰;MgO与Ni(Ac)_2的配位作用致使Ni(Ac)_2有两个最佳分解温度,CO_2,CO和H_2相应地都出现两个峰;与MgO和HZSM-5相比,SiO_2和γ-A1_2O_3对Ni(AC)_2热分解的影响不很明显。但SO_2,γ-A1_2O_3和HZSM-5有较强的甲烷化效应。
In this paper, the thermal decomposition of supported Ni (Ac) _2 was studied mainly by chromatographic techniques. The results show that the decomposition of Ni (Ac) _2 depends on the nature of the support. The catalytic decomposition of strongly acidic carrier HZSM-5 led to the formation of CH_4 and CO_2 peaks in the low temperature region during the decomposition of Ni (Ac) _2. The coordination between MgO and Ni (Ac) _2 resulted in two Ni There are two peaks corresponding to the optimum decomposition temperature, CO 2, CO and H 2, respectively. Compared with MgO and HZSM-5, the influence of SiO 2 and γ-Al 2 O 3 on the thermal decomposition of Ni (AC) 2 is not obvious. However, SO 2, γ-Al 2 O 3 and HZSM-5 have strong methanation effects.