In an article, author is Sivec, Rok, once mentioned the application of 873-76-7, HPLC of Formula: C7H7ClO, Name is (4-Chlorophenyl)methanol, molecular formula is C7H7ClO, molecular weight is 142.58, MDL number is MFCD00004652, category is alcohols-buliding-blocks. Now introduce a scientific discovery about this category.
Surface kinetics and transport phenomena modelling for furfural hydrotreatment over Pd/C in isopropanol and tetrahydrofuran
Extensive experimental and computational study of hemicellulose-derived furfural hydrogenation, hydrodeoxygenation, oligomerisation and etherification has been conducted over Pd/C catalyst. In-situ reduction of PdO surfaces was observed, forming predominately Pd(111). Tetrahydrofurfuryl alcohol was observed as the main product. Selected solvent (solventless conditions, tetrahydrofuran, isopropanol), atmosphere (nitrogen, hydrogen), temperature (100-200 degrees C), pressure (25-75 bar) and stirring speed were varied. A micro-kinetic model was developed incorporating thermodynamics (hydrogen solubility), mass transfer, adsorption, desorption and surface reactions. The above-listed phenomena and their contribution to the surface coverages, TOF’s and global reaction rates were studied. Approximately 66% of active sites were estimated to be covered by the solvent, 5% by furanic species, while hydrogen coverage was low and limiting. Both furfural ring and aldehyde group hydrogenation have low activation energies (19.1 kJ mol(-1) and 23.5 kJ mol(-1)), although subsequent hydrogenation of tetrahydrofurfural (E-a = 42.5 kJ mol(-1)) is preferred at higher temperatures compared to furfuryl alcohol (E-a = 24.0 kJ mol(-1)) hydrogenation. Complete hydrogenation can be achieved at room temperature, while deoxygenation becomes considerable above 150 degrees C (E-a = 59.6 kJ mol(-1)), leading to complete conversion in most tests, yielding up to 77% tetrahydrofurfuryl alcohol at 75 bar in isopropanol.
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Reference:
Alcohol – Wikipedia,
,Alcohols – Chemistry LibreTexts