UNS:Collaborative Reasearch: Hydrocarbon conversion on oxysulfide surfaces: Towards the design of sulfur-tolerant reforming catalysts

UNS：合作研究：硫氧化物表面上的碳氢化合物转化：耐硫重整催化剂的设计

• 批准号: 1510541
• 负责人: Michael Janik
• 金额: $ 21.19万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-07-01 至 2019-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1510541&HistoricalAwards=false
• 关键词: UNS; Collaborative; Reasearch; Hydrocarbon; conversion

1510435 (Dooley), 1510541(Janik)Sulfur-containing compounds are ubiquitous impurities in petroleum resources that poison catalysts used for the refining and upgrading of both crude oil and natural gas to fuels and chemicals. The proposed research seeks to develop and understand novel sulfur-tolerant catalysts for the conversion of natural gas to gases used to synthesize liquid fuels and chemicals. To this end, the work has potential to develop a simplified, efficient process for natural gas conversion without the need for expensive "upstream" desulfurization. The researchers will also advance education and scientific awareness by involving undergraduate students in their research with an emphasis on minority, women, and first-generation students.Large quantities of natural gas are being produced from shale resources, providing opportunities to convert the gas to liquid fuels via reforming reactions. This study reforms methane by reacting it with carbon dioxide, thus generating feedstocks for liquid fuels while reducing the atmospheric loading of carbon dioxide (a greenhouse gas). A combination of experimental and theoretical tools will be used to design mixed metal oxide catalysts (combining transition metals and rare earth oxides) that are both sulfur tolerant and less prone to poisoning by coking than current catalysts. Specifically, the work addresses the hypothesis that the mixed transition metal and rare earth oxide catalysts form stable and active oxysulfides under reaction conditions, with the benefit that the oxysulfides destabilize coke precursors. Computational methods will be used to predict candidate oxysulfided catalyst materials that will then be synthesized, tested, and characterized, with results used to refine the theoretical predictions. Beyond the direct research, the two PIs on this project have a strong track record of educational outreach at their respective institutions including involvement of undergraduates in their research programs and Dooley's work with the "You be the Chemist Challenge" of the Louisiana Chemical Education Foundation (focused on middle- and high-school students).

1510435（Dooley），1510541（Janik）含硫化合物是石油资源中无处不在的杂质，毒性催化剂用于催化剂，用于将原油和天然气的精炼和升级到燃料和化学物质。 拟议的研究旨在开发和理解新型的耐硫化催化剂，以将天然气转化为用于合成液态燃料和化学物质的气体。 为此，这项工作有可能开发简化，有效的天然气转化过程，而无需昂贵的“上游”脱硫化。 研究人员还将通过让本科生参与研究，重点是少数群体，妇女和第一代学生来提高教育和科学意识。从页岩资源中产生了大量天然气，从而提供了通过改革反应将天然气转换为液体燃料的机会。 这项研究通过与二氧化碳反应来改革甲烷，从而为液体燃料产生原料，同时减少二氧化碳的大气负荷（一种温室气）。 实验和理论工具的组合将用于设计混合金属氧化物催化剂（结合过渡金属和稀土氧化物），它们既耐硫，又比当前的催化剂耐药。 具体而言，该工作解决了以下假设：在反应条件下，混合过渡金属和稀土氧化物催化剂形成稳定和活性的氧气硫化物，其氧硫化物破坏了可口可乐的前体。 计算方法将用于预测候选氧硫化催化剂材料，然后将其合成，测试和表征，并用于完善理论预测的结果。 除了直接研究之外，该项目的两个PI在其各自的机构中都具有较强的教育宣传记录，包括在本科生中参与其研究计划，以及Dooley与路易斯安那化学教育基金会的“您是化学家挑战”的工作（专注于中学和高中生）。