02107nas a2200193   4500008004100000022001400041245011800055210006900173260000900242300001400251490000700265520137900272100002901651700002601680700003301706700002201739700002001761856013201781       2024                        eng d  a0887-062400aEnhanced catalytic conversion of disaccharides to propylene glycol using metal-supported graphitic carbon nitride0 aEnhanced catalytic conversion of disaccharides to propylene glyc  cMAR   a7005-70170 v383 a<p>
	Propylene glycol (or) 1,2-propanediol (1,2-PD) is an important polyol widely used for pharmaceuticals, polyester resins, paints, cosmetics, antifreeze, etc. Sucrose has emerged as a promising feedstock to produce 1,2-PD, as indicated by recent research findings. Graphitic carbon nitride (g-C3N4/gCN) was synthesized by using different crucibles. Ni-Mo was loaded on different g-C3N4 supports via the wetness impregnation method for sucrose hydrogenolysis. Effects of different g-C3N4 supports were studied. Catalysts with varying Ni (x = 0-8 wt %) and Mo (y = 0-15 wt %) contents were characterized using XRD, BET, XPS, FE-SEM, Py-FTIR, HR-TEM, TPD (CO2)and Raman spectroscopy. An attempt was made on sucrose conversion into 1,2-PD using a Ni-Mo/g-C3N4 catalyst. The catalyst containing 8% Ni and 10% Mo on Gr-gCN exhibited the best performance, achieving complete sucrose conversion with a 76% yield of 1,2-PD under mild reaction conditions. The presence of highly dispersed nanoparticles and the nature of graphitic carbon nitride help improve the reactions' yield by allowing reactions at lower temperatures, reducing the occurrence of side reactions, and increasing recycling rates. A straightforward approach to material preparation, coupled with the exceptional dispersion of metal nanoparticles, paves the way for a novel platform for biomass conversion.</p>
1 aKirali, Arun, Arunima Ba1 aNarayanan, Hariprasad1 aViswanathan, Balasubramanian1 aYadav, Parmeshwar1 aMarimuthu, Banu  uhttps://library.ncl.res.in/content/enhanced-catalytic-conversion-disaccharides-propylene-glycol-using-metal-supported-graphitic01717nas a2200265   4500008004100000022001400041245014000055210006900195260000800264300001600272490000700288520082000295653001101115653001701126653002001143653001901163653001201182653001201194100002501206700002301231700002901254700002201283700002001305856012601325       2024                        eng d  a2190-681500aOne-pot catalytic conversion of sucrose to 1,2-propanediol over titania supported Ni-Ce metal catalyst under milder reaction conditions0 aOnepot catalytic conversion of sucrose to 12propanediol over tit  cOCT  a24703-247140 v143 a<p>
	The increased energy demand and decreasing fossil resources have driven the research community to look into a sustainable, green process to meet the energy demands. India being one of the top producers of sugarcane derived sucrose, and conversion of surplus sucrose to value chemicals is always an advantage. 5%Ni-15%Ce/TiO2 catalyst is found to produce high yield of 1,2-PDO (similar to 74%) under very mild reaction condition of 180 degrees C, 30 bar H-2 for 3-h reaction time. The characterization of the catalyst by using various physicochemical methods indicates the synergy between Ni-Ce bimetal which enhances the selective production of glycol. The low temperature and pressure requirement and the advantage of being the one-pot process will always attract the future scope of commercialization.</p>
10aGlycol10aLow pressure10aLow temperature10aNi-Ce catalyst10aSucrose10atitania1 aSreekantan, Sreejith1 aSreedharan, Sarath1 aKirali, Arun, Arunima Ba1 aYadav, Parmeshwar1 aMarimuthu, Banu  uhttps://library.ncl.res.in/content/one-pot-catalytic-conversion-sucrose-12-propanediol-over-titania-supported-ni-ce-metal