Establishing selectivity-property relationships in the oxidative coupling of methane through combining statistical data analysis with reliable catalyst testing and characterization

通过将统计数据分析与可靠的催化剂测试和表征相结合,建立甲烷氧化偶联中的选择性-性质关系

基本信息

项目摘要

The oxidative coupling of methane (OCM) to C2-hydrocarbons (C2H6 and C2H4) is an attractive opportunity for methane valorization. It is yet non-commercialized as the target hydrocarbons are more reactive than methane and therefore oxidized to carbon oxides. To suppress these undesired reactions when increasing CH4 conversion, new catalysts or alternative operation conditions are required. This can be achieved through establishing fundamental relationships between catalyst performance and composition/property.Thus, our primary objective is to check the potential of exploratory data analysis for establishing truthful relationships. To profit from such analysis, it is important to generate reliable experimental data. So-obtained consumption and formation rates will be used for correlation and regression trees analysis for identifying the required relationships between activity-selectivity and catalyst composition/property. Another important aim is to elucidate effects of H2O and CO2 both on CH4 conversion and C2-selectivity as they were not thoroughly enough investigated in literature but open possibilities for improving the desired performance.For reaching project aims, we will follow a multidisciplinary approach including (i) statistical analysis of previous literature data and those obtained in the present proposal for catalyst design, (ii) using this knowledge for catalyst synthesis and (iii) detailed characterization by complementary techniques, (iv) mechanistic and kinetic tests, (v) as well as operando tests. In addition, we will exploit the potential of O2-free OCM, i.e. alternating feeding/pulsing of methane and air, but in the presence of H2O and/or CO2 in CH4 for improving C2-selectivity.
甲烷(OCM)氧化偶联生成C2-烃(C2H6和C2H4)是甲烷价态反应的有利时机。它还没有商业化,因为目标碳氢化合物比甲烷更活跃,因此被氧化成碳氧化物。为了在提高甲烷转化率的同时抑制这些不希望发生的反应,需要新的催化剂或替代的操作条件。这可以通过建立催化剂性能和组成/性质之间的基本关系来实现。因此,我们的主要目标是检查探索性数据分析的潜力,以建立真实的关系。为了从这种分析中获益,产生可靠的实验数据是很重要的。由此获得的消耗和生成率将用于相关和回归树分析,以确定活性-选择性和催化剂组成/性质之间所需的关系。另一个重要的目的是阐明H2O和CO2对CH4转化率和C2选择性的影响,因为文献中对它们的研究还不够深入,但有可能改善预期的性能。为了达到项目目标,我们将采用多学科方法,包括(I)对以前的文献数据和本建议中获得的催化剂设计数据进行统计分析,(Ii)将这些知识用于催化剂合成和(Iii)通过补充技术进行详细表征,(Iv)机械和动力学测试,(V)以及操作符测试。此外,我们将开发无O2 OCM的潜力,即甲烷和空气交替进料/脉冲,但在CH4中存在H2O和/或CO2的情况下,以提高C2-选择性。

项目成果

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Professor Dr. Evgenii Kondratenko其他文献

Professor Dr. Evgenii Kondratenko的其他文献

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{{ truncateString('Professor Dr. Evgenii Kondratenko', 18)}}的其他基金

Fundamental origins of different activity and time-on-stream stability of supported Mo-, W-, and Re-based materials in metathesis of ethylene and 2-butene to propene
乙烯和 2-丁烯复分解为丙烯时负载型钼基、钨基和铼基材料的不同活性和运行时间稳定性的基本起源
  • 批准号:
    188582486
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Research Grants

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