Royal Society of Chemistry, Energy & Environmental Science, 3(5), p. 6145
DOI: 10.1039/c2ee02837a
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Templated, macroporous Mg-Al hydrotalcites synthesised via alkali-free co-precipitation exhibit superior performance in the transesterification of C-4-C-18 triglycerides for biodiesel production, with rate-enhancement increasing with alkyl chain length. Promotion reflects improved diffusion of bulky triglycerides and accessibility of active sites within the hierarchical macropore-micropore architecture.