New Catalysts of Dry Reforming of Methane into Synthesis Gas
Doklady Physical chemistry/Doklady physical chemistry(2017)
摘要
New catalysts have been developed for the production of synthesis gas via a resource-saving and environmentally friendly process—dry reforming of methane. The catalysts are fabricated from NdCaCo 1– x Ni x On precursors ( x = 0, 0.2, 0.4, 0.6, 0.8, 1) synthesized by a ceramic method. According to X-ray powder diffraction, when reacting with an equimolar CH 4 /CO 2 mixture at 800–900°С, the precursors are converted into a mixture of neodymium and calcium oxides and cobalt and nickel metals. The catalyst based on NdCaNiO n at 850°С has ensured high conversions of methane (91%) and CO 2 (86%) at СО and hydrogen yields of 88 and 78%, respectively. At 940°С, the yield of CO is close to the quantitative one (97%).
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