Hydroxyapatite (HAP, Ca₁₀(PO₄)₆(OH)₂) has all the criteria of a catalyst support, in particular its high thermal stability. However it is still less studied in the heterogeneous catalysis. For the first time, hydroxyapatite supported bimetallic Co-Ni catalysts were prepared and evaluated in the dry reforming of methane (DRM) process. Nanoparticles containing both nickel and cobalt were well formed on the surface of HAP by conventional impregnation methods. No modification of HAP structure was observed after metals deposition. DRM reaction was carried out at 700–750 °C and around 1.6 bar, using a fixed-bed reactor which was fed with a mixture of 20%vol CH₄, 20%vol CO₂ and 60%vol N₂. CH₄ and CO₂ conversion reached up to 60 and 68% at 700 °C, respectively, and 73 and 79% at 750 °C, respectively during long reaction times of 50–160 h. Water as a by-product could be quantified along the catalytic reaction indicating the implication of reverse water-gas-shift reaction. TEM-EDX analysis of the used catalysts recovered after catalytic tests showed that coke deposition was limited and there was slight modification of metals particle size. The results obtained were very promising for the design of an efficient catalytic system for DRM process.

羟基磷灰石（HAP，Ca ₁₀（PO ₄）₆（OH）₂）具有催化剂载体的所有标准，特别是其高热稳定性。然而，在非均相催化中它的研究还很少。首次制备了羟基磷灰石负载的双金属Co-Ni催化剂，并在甲烷干重整（DRM）过程中进行了评估。通过常规浸渍方法在HAP的表面上很好地形成了同时包含镍和钴的纳米颗粒。金属沉积后未观察到HAP结构的改变。DRM反应物在700-750℃下进行和周围1.6巴，使用将其用20％（体积）CH的混合物送入固定床反应器₄，20％（体积）CO ₂和60％（体积）Ñ₂。在50–160 h的较长反应时间内，CH ₄和CO _2的转化率分别在700°C时分别达到60％和68％，在750°C时分别达到73％和79％。可以沿着催化反应对作为副产物的水进行定量，这表明了反向水煤气变换反应的含义。催化测试后回收的用过的催化剂的TEM-EDX分析表明，焦炭沉积受到限制，金属颗粒大小略有改变。获得的结果对于设计用于DRM​​过程的有效催化系统是非常有前途的。