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Method of manufacturing high-crush-strength iridium catalyst for hydrazine decomposition reaction in spacecraft thrusters using bauxite
Method of manufacturing high-crush-strength iridium catalyst for hydrazine decomposition reaction in spacecraft thrusters using bauxite
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机译:用铝土矿制造用于航天器推进器中肼分解反应的高抗压铱催化剂的方法
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摘要
Disclosed herein is a method for manufacturing a high-crush-strength iridium catalyst for hydrazine decomposition for spacecraft and satellite propulsion using bauxite, the method including: an acid treatment step of bringing bauxite into contact with a 0.1-10 M acid solution for 10-14 hr; a filtration step of filtering the acid-treated bauxite as a solid to remove the remaining acid and impurities; a thermal treatment step of bringing the filtered bauxite into contact with hot air at a temperature of 500-700° C. for 2-6 hr; a catalyst loading step of loading an iridium catalyst onto the thermally treated bauxite; and a reduction step of reducing the catalyst of the catalyst-loaded bauxite.
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