An article Catalytic depolymerization of alkaline lignin to value-added phenolic-based compounds over Ni/CeO2-ZrO2 catalyst synthesized with a one-step chemical reduction of Ni species using NaBH4 as the reducing agent WOS:000501613900018 published article about NOBLE-METAL CATALYSTS; KRAFT LIGNIN; DIFFERENT LIGNOCELLULOSICS; CEO2-ZRO2 CATALYSTS; DIRECT LIQUEFACTION; ORGANOSOLV LIGNIN; LIQUEFIED FUEL; HYDROGENOLYSIS; PYROLYSIS; CONVERSION in [Totong, Sansanee; Daorattanachai, Pornlada; Laosiripojana, Navadol] King Mongkuts Univ Technol Thonburi, JGSEE, Prachauthit Rd, Bangkok 10140, Thailand; [Totong, Sansanee; Idem, Raphael] Univ Regina, CETRI, Fac Engn & Appl Sci, Regina, SK S4S 0A2, Canada in 2020, Cited 63. Safety of Benzyl Alcohol. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6
Alkaline lignin obtained from paper manufacturing is a potential feedstock for upgrading to produce value-added chemicals. This study demonstrates the efficiencies of synthesized Ni supported CeO2-ZrO2 catalysts to convert this low-cost alkaline lignin into value-added phenolic-based chemicals for further commercial applications. Lignin depolymerization was performed under mild reaction conditions, namely, reaction temperature of 200-300 degrees C, and reaction time of 1-5 h. Three different catalyst preparation methods (simple wet-impregnation, wet-impregnation assisted reduction in H-2 atmosphere and one-step chemical reduction) were investigated and used to evaluate possible correlations between the active Ni phase and catalytic performance in lignin depolymerization. The active Ni phase was successfully formed by one-step chemical reduction method which showed a significant improvement on product yield, especially lignin oil. The best result obtained in lignin depolymerization was by using 10%Ni/CeO2-ZrO2-red catalyst which resulted in producing a high yield of lignin oil (46.8%) from lignin feedstock under mild condition of 250 degrees C. The major phenolic compounds in lignin oil were: guaiacol, methyl-guaiacol, ethyl-guaiacol, vanillin, acetovanillone, and homovanillic acid. Furthermore, the reaction temperature affected the product yield and product distribution resulting in higher diversity of phenolic compounds in lignin oil.
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,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles