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The application of nuclear magnetic resonance (NMR) imaging to the study of the design and performance of chemical reactors is introduced. NMR imaging is a non-invasive technique which can be utilized for the investigation of physical processes such as the mixing of reagents within a sealed reactor. A series of experiments is described on the mixing of aluminate solutions with silicate solutions...
The effects of deliberate non-uniform pre-mixing of the aluminate and silicate solutions in the unstirred batch syntheses of zeolites A and X were studied. Poorly mixed hydrogels gave rise to impurity phases, with the amount of impurity decreasing with improved pre-mixing. Experiments were carried out in reactors specially designed for the growth of large zeolite crystals under microgravity conditions,...
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