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A novel polymer-based alkaline composite catalytic membrane (PACCM) for the transesterification of soybean oil with methanol in a flow-through mode, was prepared with sodium silicate (Na2SiO3) and N-[(2-hydroxy-3-trimethylammonium) propyl] chitosan chloride supported into polypropylene non-woven fabric by nonsolvent induced phase separation. The transesterification with a conversion of above 97.0%...
A novel polymer-based alkaline catalyst was prepared with sodium silicate (Na2SiO3) and N-[(2-Hydroxy-3-trimethylammonium) propyl] chitosan chloride (HTCC), interlinked by epichlorohydrin (ECH), for biodiesel production. The structure and properties of the catalyst were studied by Fourier transform infrared spectroscopy, thermogravimetry-mass spectrometry and transmission electron microscopy. The...
Guanidinylated chitosan (GCS), as a heterogeneous alkaline catalyst for the transesterification of soybean oil with methanol, was synthesized by grafting aminoiminomethanesulfonic acid onto chitosan. The structure and properties of GCS membrane were investigated by Fourier transform infrared spectroscopy, thermogravimetry and X-ray photoelectron spectroscopy. The soybean oil conversion reached 98...
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