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10 天
中铝郑州申请γ-Al2O3专利,助推β″-Al2O3固体电解质突破
根据专利摘要,γ-Al2O3的制备方法为:在初始设定的温度和搅拌条件下,利用工业氢氧化铝与晶粒调控剂进行溶剂热反应,得到氧化铝水合物的中间体;接着在设定的第二温度下对该中间体进行焙烧,从而调控焙烧产品的比表面积,最终得到高纯度的γ-Al2O3。这项新技术的创新之处在于其能够有效提高β″-Al2O3的相转化率,其率高于90%,在当前电池材料市场竞争日益激烈的情况下,这一成果无疑具有重要的实用价值。
11 天
新发现!改性Al2O3催化剂或将改变医药制造未来?
在这个引人注目的研究中,改性Al2O3催化剂以其良好的稳定性和较长的使用寿命,被视为提升药物合成效率的重大突破。改性Al2O3催化剂的制备过程相对复杂,首先将拟薄水铝石焙烧生成θ‑Al2O3,然后与γ‑Al2O3、长石粉和霞石粉进行混合和研磨,最终得到的催化剂经过干燥和焙烧,展现出优越的性能。
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21 天
Processing of spent NiW/Al2O3 catalysts
Spent oxidized (500 ºC, 5 h) commercial NiW/Al2O3 catalysts were processed using two different routes: a) fusion with NaOH (650 ºC, 1 h), the roasted mass was leached in water; b) leaching with HCl or ...
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