magnesium aluminium oxygen

• 分子结构分类: 无机化合物 - 混合金属/非金属化合物 - 后过渡金属有机物
• 英文名称: magnesium aluminium oxygen
• 英文别名: aluminium-magnesium oxide；aluminum-magnesium oxide；alumane;magnesium dihydride;hydrate
• 化学式: AlMgO
• 分子量: 67.2859
• InChiKey: HDRHAXQZSKYGMK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -2.92
• 重原子数：
  3.0
• 可旋转键数：
  0.0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  31.5
• 氢给体数：
  0.0
• 氢受体数：
  0.0

反应信息

• 作为反应物：
  描述：

  盐酸 、 magnesium aluminium oxygen 以 盐酸 为溶剂， 生成
  参考文献：
  名称：

  镁铝氧化物处理含氯离子废水的新方法

  摘要：

  研究了通过水滑石 (HT) 的热分解制备的镁-铝氧化物 (Mg-Al 氧化物) 去除盐酸。通过在 60 °C 下添加 1.75 倍化学计量量的 Mg0.70Al0.20O 1 小时，可以几乎 100% 去除盐酸中的 Cl−。反应后溶液中的 Mg2+ 和 Al3+ 未被识别，因为溶液呈弱碱性。

  DOI：

  10.1246/cl.2000.1136
• 作为产物：
  描述：

  以 neat (no solvent) 为溶剂， 生成 magnesium aluminium oxygen
  参考文献：
  名称：

  Thermally Induced Polytype Transformations among the Layered Double Hydroxides (LDHs) of Mg and Zn with Al

  摘要：

  The hydrotalcite-like layered double hydroxide (LDH) of Mg with Al shows dramatic changes in the peaks arising from the (h0l)/(0kl) family of reflections in its powder X-ray diffraction pattern during thermal treatment. DIFFaX simulations show that these changes arise due to the transformation of the disordered 3R(1) polytype into the 1H polytype on dehydration. The 1H polytype is an essential precursor to the decomposition reaction, which results in the formation of an oxide residue with the rock salt structure. In contrast, the LDH of Zn with Al does not undergo any such transformation, retaining the structure of the 3R(1) polytype until decomposition into the oxide residue. Given the poor octahedral site preference of the Zn2+ ion, the 1H polytype is neither structurally stable nor is it topochemically necessary for the thermal decomposition of the Zn-Al LDH, the end product of the decomposition reaction being an oxide with the wurtzite structure.

  DOI：

  10.1021/jp061377f

文献信息

• Analysis of the catalytic activity induction and deactivation of PtIn/Mg(Al)O catalysts for propane dehydrogenation reaction
  作者：Ke Xia、Wan-Zhong Lang、Pei-Pei Li、Xi Yan、Ya-Jun Guo

  DOI：10.1039/c5ra11284b

  日期：——

  The catalytic activity induction and deactivation of PtIn/Mg(Al)O catalysts for propane dehydrogenation reaction are experimentally verified.

  PtIn/Mg(Al)O催化剂对丙烷脱氢反应的催化活性诱导和失活现象已经通过实验证实。
• Structural Requirements and Reaction Pathways in Condensation Reactions of Alcohols on MgyAlOx Catalysts
  作者：J.I. Di Cosimo、C.R. Apesteguı&́a、M.J.L. Ginés、E. Iglesia

  DOI：10.1006/jcat.1999.2734

  日期：2000.3

  such sites. The rate of alcohol dehydration to ethers and olefins increased with increasing Al content. Al-rich MgyAlOx samples contained a high density of Al3+–O2− site pairs and of moderate strength basic sites, the combination of which promoted the formation of ethylene or propylene from primary alcohols via E2 elimination pathways. The competitive dehydration to form ethers involved the adsorption

  在C 2 H 5 OH或13 CH 3 OH / 1–12 C 3 H 7 OH混合物作为反应物的Mg y AlO x催化剂上，研究了组成和表面性质对醇偶联反应的影响。通过沉淀的水滑石前体的热分解获得Mg / Al比为0.5-9.0的样品。的性质，密度和表面强度基本位点通过程序升温脱附的CO（TPD）获得的2和13 CO 2 / 12CO同位素转换法，而酸位点密度是通过NH 3的TPD测量的。通过进行H 2 -D 2稳态平衡​​反应研究了活化H-H键的催化剂能力。为了探测异丁醇合成中的链增长途径，进行了同位素示踪剂研究。C 2 H 5 OH或CH 3 OH / C 3 H 7 OH反应的速率和产物选择性在很大程度上取决于Mg y AlO x样品的化学组成。反过来，化学成分影响了Mg y AlO x的酸碱性质通过修改表面酸和碱位密度以及这些位点的强度分布来改变样品。醇脱水成醚和烯烃的速率随Al含量的增加而增加。富含Al的Mg
• Catalytic properties of CuMgAlO catalyst and degradation mechanism in CWPO of methyl orange
  作者：Jing Han、Hong-Yan Zeng、Sheng Xu、Chao-Rong Chen、Xiao-Jun Liu

  DOI：10.1016/j.apcata.2016.08.015

  日期：2016.10

  performance during reuse for five cycles with fewer copper leaching. The degradation mechanism of MO was determined by UV-vis, ATR-FTIR and GC–MS. The hydroxyl radicals (HO) induced strong oxidizing effect, where the azo groups (NN−) double bonds would be first attacked by the hydroxyl radical and other free radicals. With the continuous oxidization, these intermediates could be oxidized to the final

  通过浸渍法合成了负载铜的MgAl水滑石催化剂，并以过氧化氢为氧化剂，进一步用于甲基橙（MO）的湿法过氧化催化（CWPO）。合成的催化剂已经通过XRD，FT-IR，SEM / EDS，TG / DTA，XPS，H 2 -TPR和BET表征。表征表明，Cu 2+和Cu +物种共存的MgAl水滑石载体中Cu物种分布良好，主要以Cu 2 +  ↔Cu +对的形式存在。所述CuMgAlO催化剂表现出最高的催化活性由于Cu的含量高2+  ↔的Cu +对，可在五个循环中重复使用期间保持稳定的性能，减少铜的浸出。MO的降解机理由UV-vis，ATR-FTIR和GC-MS确定。羟自由基（HO ）引起强烈的氧化作用，其中偶氮基（N N-）双键首先会受到羟自由基和其他自由基的攻击。通过连续氧化，这些中间体可以被氧化成最终的氧化产物，例如水和二氧化碳。
• Catalytic system and process for the production of hydrogen
  申请人：ENI S.p.A.

  公开号：US20040152790A1

  公开（公告）日：2004-08-05

  Catalytic system for the production of hydrogen consisting of an active component based on iron and a micro-spheroidal carrier based on alumina and represented by the following formula [Fe x1 M x2 Q x3 D x4 Al x5 ]O y wherein xi with i=1.5 represent the atomic percentages assuming values which satisfy the equation &Sgr;xi=100. y is the value required by the oxidation number with which the components are present in the formulate, x1 is the atomic percentage with which Fe is present in the formulate and ranges from 5 to 80, preferably from 20 to 50, M is Cr and/or Mn, x2 ranges from 0 to 30, preferably from 0 to 10, Q is La, Lanthanides (with Ce particularly preferred), Zr or a combination thereof, x3 ranges from 0 to 30, preferably from 0 to 10, D is Mg, Ca, Ba, Co, Ni, Cu, Zn or combinations thereof, x4 ranges from 0 to 35, preferably from 5 to 25, x5 is the atomic percentage with which Al is present in the formulate and ranges from 20 to 95, preferably from 50 to 80.

  生产氢的催化系统，包括基于铁的活性组分和基于氧化铝的微球载体，其表示为以下公式 [Fex1Mx2Qx3Dx4Alx5]Oy，其中 xi（i=1.5）表示原子百分比，其取值满足方程 Σxi=100。y 是公式中组分存在的氧化数所需的值，x1 是 Fe 存在于公式中的原子百分比，范围从 5 到 80，最好从 20 到 50，M 是 Cr 和/或 Mn，x2 范围从 0 到 30，最好从 0 到 10，Q 是 La、镧系元素（Ce 特别优选）、Zr 或它们的组合，x3 范围从 0 到 30，最好从 0 到 10，D 是 Mg、Ca、Ba、Co、Ni、Cu、Zn 或它们的组合，x4 范围从 0 到 35，最好从 5 到 25，x5 是 Al 存在于公式中的原子百分比，范围从 20 到 95，最好从 50 到 80。
• Effect of additives on the surface area of oxide supports for catalytic combustion
  作者：M MACHIDA

  DOI：10.1016/0021-9517(87)90129-1

  日期：1987.2

  preparation from corresponding alkoxides. Barium hexaaluminate prepared by hydrolysis of composite alkoxides maintained its surface area above 10 m2 g−1 even after calcination at 1600 °C. The activities of cobalt oxide supported on these oxides greatly depended on the surface area of the support. The cobalt oxide supported on barium hexaalumiante, especially prepared from alkoxides, showed the highest activity

  研究了添加剂对氧化物载体表面积的影响，以将其用于高温催化燃烧。当将氧化物添加到氧化铝中导致形成层状铝酸盐结构时，显着抑制了氧化物的烧结。BaO与Al 2 O 3的混合在将大表面积保持在1200°C以上时表现出最出色的效果。在（BaO）0.14（Al 2 O 3）0.86的氧化物组成下，表面积最大。BaO对氧化铝表面积的影响归因于六铝酸钡（BaO•6Al 2 O 3）的形成。BaO·6Al 2的表面积通过从相应的醇盐制备进一步改善了O 3。通过复合醇盐的水解制备的六铝酸钡即使在1600℃下煅烧后也保持其表面积在10m 2 g -1以上。负载在这些氧化物上的氧化钴的活性很大程度上取决于载体的表面积。负载在六铝酸钡上的氧化钴，特别是由醇盐制备的钴，对甲烷燃烧显示出最高的活性。