Partial Oxidation of Alkanes in a Dual Bed Membrane Reactor

双床膜反应器中烷烃的部分氧化

• 批准号: 0224435
• 负责人: Eduardo Wolf
• 金额: $ 25.91万
• 依托单位: University of Notre Dame
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-11-15 至 2006-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0224435&HistoricalAwards=false
• 关键词: Partial; Oxidation; Alkanes; Dual; Bed

ABSTRACTPI: Eduardo E. Wolf Institution: University of Notre DameProposal Number: 0224435Research:The short term objective of this work is to study the direct partial oxidation of propane to acrolein, a chemical intermediary, using a dual membrane reactor. This reactor has unique characteristics that can increase product yield, which is typically low for the propane to acrolein reaction when carried out in a conventional fixed bed reactor. The use of alkanes, such as propane, for the direct conversion by partial oxidation to acrolein is more attractive than the current process that uses propylene, a more expensive feedstock.The long term objective is to study, evaluate and optimize the capabilities of the dual bed membrane reactor. The reactor consists of an inert membrane, placed concentrically to the reactor tube wall. Catalyst is located between the membrane and the reactor wall and the membrane acts as a barrier between the oxidant (air/oxygen) and the reducing feed (propane) thus reducing the danger of flammability encountered in reactors with premixed feeds. What makes the dual bed membrane reactor unique is that it has two catalyst beds fed separately so that reaction conditions can be independently controlled in each bed. This is different from two reactors in series in that in the dual bed membrane reactor the two catalyst beds are connected. The gas phase intermediates emerging from the first bed are utilized in the second bed. It thus allows the independent control of temperature, catalysts, gas phase intermediates, and residence time in a single reactor.Impact:If the results are successful, the technology could be extended to other alkane functionalization reactions to provide a less energy intensive technology for the environmentally clean production of oxygenate intermediates for the chemical industry. The project will integrate research and teaching both at the graduate and undergraduate level.

摘要：爱德华多·E.沃尔夫研究所：美国圣母大学研究计划编号：0224435研究：这项工作的短期目标是研究丙烷直接部分氧化为丙烯醛，一种化学中间体，使用双膜反应器。 该反应器具有可增加产物产率的独特特征，当在常规固定床反应器中进行时，产物产率对于丙烷至丙烯醛的反应通常是低的。 使用烷烃，如丙烷，通过部分氧化直接转化为丙烯醛比目前使用丙烯的方法更有吸引力，丙烯是一种更昂贵的原料。 反应器由惰性膜组成，与反应器管壁同心放置。 催化剂位于膜和反应器壁之间，并且膜用作氧化剂（空气/氧气）和还原进料（丙烷）之间的屏障，从而降低了在具有预混合进料的反应器中遇到的可燃性危险。 双床膜反应器的独特之处在于它具有两个单独进料的催化剂床，使得每个床中的反应条件可以独立控制。 这与串联的两个反应器的不同之处在于，在双床膜反应器中，两个催化剂床是连接的。 从第一床中出来的气相中间体用于第二床。 因此，它允许在单个反应器中独立控制温度、催化剂、气相中间体和停留时间。影响：如果结果成功，该技术可以扩展到其他烷烃官能化反应，为化工行业的烷烃中间体的环境清洁生产提供能源密集度较低的技术。 该项目将整合研究生和本科生的研究和教学。