Manipulation of Fischer Tropsch Catalysts for Controlled Selectivity

本项目将研究Fischer Tropsch启动子的使用，以及控制和指导对不同产物选择性的途径。Fischer Tropsch使用金属钴或铁活性位点将合成气转化为碳氢化合物作为燃料，而合成，添加剂和预处理对最终催化剂的性能/选择性有重大影响。该项目将研究各种催化剂颗粒，包括一系列促进剂和预处理（煅烧/还原），以了解它们对FT反应器选择性的影响。Beale博士之前已经证明，使用原位XRD光束线可以在实际条件下（T， P， GHSV）研究商业催化剂的性质，从而在处理过程中获得颗粒的2/3-D图像。这成为研究催化剂颗粒的一个非常有价值的工具，并提供了关于金属分散和相互作用的重要空间分辨率，以及这对催化活性的影响

This project will investigate the use of promoters for Fischer Tropsch, and routes to control and direct selectivity towards different products. Fischer Tropsch uses metallic cobalt or iron active sites to convert syngas to hydrocarbons for fuel, while the synthesis, additives and pretreatments have a major impact on the performance/selectivity of the final catalyst. This project will investigate a variety of catalyst pellets with a range of the promoters and pretreatments (calcination/reduction) to understand their effect on FT reactor selectivity. Dr Beale has previously shown the use of in situ XRD beamlines can be used to investigate the nature of commercial catalysts under realistic conditions (T, P, GHSV) to give 2/3-D images across the pellet during treatments. This becomes a highly valuable tool for studying catalyst pellets and gives vital spatial resolution about metal dispersion and interactions across a single pellet and the impact this has on catalytic activity