Upgrading of Kraft Lignin-Derived Bio-Oil over Hierarchical and Nonhierarchical Ni and/or Zn/HZSM5 Catalysts was written by Agarwal, Ashutosh;Park, Seong-Jae;Park, Jeong-Hun. And the article was included in Industrial & Engineering Chemistry Research in 2019.Recommanded Product: 2380-78-1 The following contents are mentioned in the article:
Synthesized hierarchical and nonhierarchical Ni and/or Zn/HZSM5 catalysts were compared for upgrading Kraft lignin-derived liquefaction bio-oil in a batch reactor at 300° for 1 h under a H2 atmosphere in supercritical ethanol. The catalysts were characterized by N2 adsorption-desorption isotherms, field emission SEM, energy dispersive X-ray spectroscopy, XPS, temperature-programmed desorption of ammonia, inductively coupled plasma-optical emission spectroscopy, and X-ray diffraction techniques. Results revealed that incorporation of Ni and Zn did not significantly affect the HZSM5 crystalline structure. The hydrogenated bio-oils were analyzed by means of gas chromatog.-mass spectrometry, and elemental anal. Upon bio-oil upgrading, the amounts of 4-ethylguaiacol and 4-propylguaiacol increased considerably on account of reduction in the amounts of unsubstituted guaiacol, 4-methylguaiacol, 4-propenylguaiacol, and homovanillic acid. The plausible bio-oil upgrading mechanism involved hydrogenation, alkylation, and deoxygenation. Hydrogenation and deoxygenation were prominent over hierarchical and nonhierarchical catalysts, resp. Highest HHVBoie (∼29.93 MJ/kg) was obtained for both nonhierarchical 15Ni5Zn/HZSM5 and hierarchical 20Zn/HZSM5 catalysts, whereas the former was found to be more stable for bio-oil upgrading. Addnl., the upgraded bio-oils obtained over hierarchical and nonhierarchical catalysts were rich in hydrogen and carbon contents, resp. This study involved multiple reactions and reactants, such as 4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1Recommanded Product: 2380-78-1).
4-Hydroxy-3-methoxyphenethanol (cas: 2380-78-1) belongs to ethers. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Recommanded Product: 2380-78-1
Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem