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1. 发明授权

US07749483B2 Method for producing alkaline earth metal oxides 失效
标题翻译：碱土金属氧化物的制造方法
公开(公告)号：US07749483B2
公开(公告)日：2010-07-06
申请号：US11611707
申请日：2006-12-15
申请人： Thomas Scholten , Michael Fooken , Jessica Mauer , Andreas Kanschik-Conradsen , Michael Hau
发明人： Thomas Scholten , Michael Fooken , Jessica Mauer , Andreas Kanschik-Conradsen , Michael Hau
IPC分类号： C01F11/00
CPC分类号： C01F11/02 , C01F11/06 , C01F11/185 , C01F11/187 , C01P2004/61 , C01P2006/80 , C01P2006/82
摘要： Disclosed is a processes for the production of relatively high purity alkaline earth metal oxides, such as SrO, from relatively low purity forms of carbonated or other oxygenated forms of such metals, such as strontium carbonate. The relatively low purity material is exposed to conditions under which at least a portion of the metal contained therein is converted to a salt that is more readily solvated in a provided solvent than the starting material, while at the same time not substantially increasing the solubility of at least one or more of the impurities in such selected solvent. This step is then preferably followed by removal of solid or otherwise un-dissolved impurities from the solution. After the removal step, the solution is preferably exposed to conditions effective to form a relatively insoluble salt of the alkaline earth metal, such as a strontium salt. The insoluble salt is also preferably one that can be readily and effectively converted to the desired alkaline earth metal oxide, preferably SrO. A novel preferred thermal decomposition step disclosed.
摘要翻译：公开了一种生产相对较高纯度的碱土金属氧化物（如SrO）的方法，其来自相对低纯度形式的碳酸或其它氧化形式的这种金属如碳酸锶。将相对低纯度的材料暴露于其中含有的金属的至少一部分转化为在所提供的溶剂中比原料更容易溶剂化的盐的条件下，同时基本上不提高溶解度在这种选择的溶剂中的至少一种或多种杂质。然后优选该步骤从溶液中除去固体或其它未溶解的杂质。在除去步骤之后，溶液优选暴露于有效形成碱土金属的相对不溶性盐如锶盐的条件下。不溶性盐也优选可以容易且有效地转化为所需的碱土金属氧化物，优选SrO的那些。公开了一种新颖的热分解步骤。

2. 发明申请

US20080145308A1 Method For Producing Alkaline Earth Metal Oxides 失效
标题翻译：碱土金属氧化物的制备方法
公开(公告)号：US20080145308A1
公开(公告)日：2008-06-19
申请号：US11611707
申请日：2006-12-15
申请人： Andreas Kanschik , Michael Hau , Jessica Maurer , Thomas Scholten , Michael Fooken
发明人： Andreas Kanschik , Michael Hau , Jessica Maurer , Thomas Scholten , Michael Fooken
IPC分类号： C01B13/14
CPC分类号： C01F11/02 , C01F11/06 , C01F11/185 , C01F11/187 , C01P2004/61 , C01P2006/80 , C01P2006/82
摘要： Disclosed is a processes for the production of relatively high purity alkaline earth metal oxides, such as SrO, from relatively low purity forms of carbonated or other oxygenated forms of such metals, such as strontium carbonate. The relatively low purity material is exposed to conditions under which at least a portion of the metal contained therein is converted to a salt that is more readily solvated in a provided solvent than the starting material, while at the same time not substantially increasing the solubility of at least one or more of the impurities in such selected solvent. This step is then preferably followed by removal of solid or otherwise un-dissolved impurities from the solution. After the removal step, the solution is preferably exposed to conditions effective to form a relatively insoluble salt of the alkaline earth metal, such as a strontium salt. The insoluble salt is also preferably one that can be readily and effectively converted to the desired alkaline earth metal oxide, preferably SrO. A novel preferred thermal decomposition step disclosed.
摘要翻译：公开了一种生产相对较高纯度的碱土金属氧化物（如SrO）的方法，其来自相对低纯度形式的碳酸或其它氧化形式的这种金属如碳酸锶。将相对低纯度的材料暴露于其中含有的金属的至少一部分转化为在所提供的溶剂中比起始原料更容易溶剂化的盐的条件下，同时基本上不增加溶解度在这种选择的溶剂中的至少一种或多种杂质。然后优选该步骤从溶液中除去固体或其它未溶解的杂质。在除去步骤之后，溶液优选暴露于有效形成碱土金属的相对不溶性盐如锶盐的条件下。不溶性盐也优选可以容易且有效地转化为所需的碱土金属氧化物，优选SrO的那些。公开了一种新颖的热分解步骤。

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