An amorphous mesoporous silica with a high SBET of 751.5 m2/g and a DBJH of ~ 4.0 nm, has been synthesized via the successive treatments of natural kaolin by calcination, alkali-treatment and acid-treatment.
Biodiesel is a renewable, biodegradable, eco-friendly, and non-toxic fuel that consists of alkyl esters produced by either the transesterification of triglycerides or the esterification of fatty acids with short-chain alcohols and a catalyst [1] and [2].