Kinetics of Gas-Phase Reactions of Metallic Species Over Wide Temperature Ranges

宽温度范围内金属物质气相反应动力学

• 批准号: 8606216
• 负责人: Arthur Fontijn
• 金额: $ 25.91万
• 依托单位: Rensselaer Polytechnic Institute
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1986
• 资助国家: 美国
• 起止时间: 1986-10-15 至 1990-03-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8606216&HistoricalAwards=false
• 关键词: Kinetics; Gas; Phase; Reactions; Metallic

Research is underway to extend the range of temperatures in which metal chemistry is understood. Also to be studied are the reactions involving metallic oxides and monohalides. This higher range (up to 1900K) requires the design of a pseudo static photochemistry reactor (HTP) where reactions can be initiated and monitored without wall interference. In these experimental conditions where the wall limitations disappear, the former, well understood, fast flow technique (HTFFR) can be used in addition, and the cross validation of these two methods become possible. The addition of an excimer laser would make possible the photolytic generation of a broad range of metals from their compounds. The reactions contemplated involve Mn, Ba, Cu, Al and Ca. The presence of these elements in fly ash and soot is the cause of problems of corrosion fouling or even dust explosions. Conversely, some industrial processes (e.g. carbon black generation, chemical vapor deposition in electronics manufactures) depend on such chemical activities. The impact on such new knowledge on industrial practice could be substantial.

目前正在进行研究以扩大金属化学的理解温度范围。 还需要研究涉及金属氧化物和一卤化物的反应。 这种更高的范围（高达 1900K）需要设计伪静态光化学反应器 (HTP)，在该反应器中可以在不受壁干扰的情况下启动和监测反应。 在这些壁限制消失的实验条件下，可以另外使用以前众所周知的快速流动技术（HTFFR），并且这两种方法的交叉验证成为可能。 添加准分子激光器将使从其化合物光解生成多种金属成为可能。 预期的反应涉及Mn、Ba、Cu、Al和Ca。 飞灰和烟灰中这些元素的存在会导致腐蚀污垢甚至粉尘爆炸问题。 相反，一些工业过程（例如炭黑的生成、电子制造中的化学气相沉积）依赖于此类化学活动。 这些新知识对工业实践的影响可能是巨大的。