Heteropoly-12-tungstophosphoric acid H3[PW12O40] over natural bentonite as a heterogeneous catalyst for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2020.04.034
Abstract: Abstract Heteropolyacid 12-tungstophosphoric acid H3[PW12O40] (TPA) immobilized over natural bentonite (bent) using the impregnation method. Prepared catalyst were well characterized by XRD, FT-IR and FeSEM. The catalytic activity of three catalysts 10%, 20% and 30%… read more here.
Keywords: synthesis dihydropyrimidin; natural bentonite; catalyst; synthesis ... See more keywords
Cationic and anionic dyes removal by low-cost hybrid alginate/natural bentonite composite beads: Adsorption and reusability studies.
Sign Up to like & getrecommendations! Published in 2019 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2018.11.197
Abstract: Using the extrusion method, novel hybrid beads were prepared from natural bentonite and alginate. Alginate to clay ratios was varied (1/1; 1/2 and 1/3) and used to eliminate two dyes (methylene blue and Congo red).Adsorbents… read more here.
Keywords: low cost; adsorption; natural bentonite; hybrid alginate ... See more keywords