Highly Selective Hydrogenation of Phenol Catalyzed by Porous BN Supported Ni−Pd Catalysts

Abstract

Phenol, as a phenolic organic substance, is widely present in industrial wastewater and is an important organic pollutant. Porous boron nitride (p-BN) is an ideal material as catalyst support because it has a large specific surface area and a variety of pore structures. In this paper, a series of NiÀ Pd/p-BN catalysts were prepared by precipitation method. Meanwhile, the catalytic performance of the catalysts for the hydrogenation of phenol to cyclohexanol was systematical and comprehensive studied. Significantly, with the optimal catalyst, the conversion of phenol was greatly improved to reach more than 99.9 %, and the selectivity of cyclohexanol could almost exceed 99.8 %. In addition, the NiÀ Pd/p-BN catalyst can be reused as an effective catalyst for numerous cycles, indicating superior reusability and recyclability. After five cycles, the conversion of phenol and the selectivity of cyclohexanol is only reduced to ∼ 80 %. This catalyst will be a promising material in the field of industrial catalysis applications.

Pd Nanoparticles Anchored on Amine-Functionalized Boron Nitride Co-Doped with Carbon and Oxygen as Catalysts for Formic Acid Dehydrogenation

“…The advantageous properties of porous boron nitride (BN) include its large specific surface area, abundant pore structure, superior thermal stability, and chemical inertness, , rendering it an attractive candidate for catalyst applications. , Recent research has explored utilizing BN and its modified forms as catalyst supports, demonstrating enhanced catalytic performance in various reactions. For example, porous BN nanofibers with a high specific surface area were employed as a support for CuCo nanoparticles, resulting in excellent dispersibility and stability of the composite catalyst.…”

Efficient and Selective Hydrogenolysis of 5‐Hydroxymethylfurfural to 2,5‐Dimethylfuran by a Bimetallic Copper‐Palladium Catalyst on a Carbon‐Doped Boron Nitride Support

“…Zhang et al. proposed 5Ni2Pd/p‐BN catalysts with porous boron nitride (p‐BN) as the support, which have large specific surface area, abundant active sites and excellent catalytic performance in phenol hydrogenation reactions [17] . Bi et al.…”

“…[16] Zhang et al proposed 5Ni2Pd/ p-BN catalysts with porous boron nitride (p-BN) as the support, which have large specific surface area, abundant active sites and excellent catalytic performance in phenol hydrogenation reactions. [17] Bi et al developed that Co/BN catalysts had a high DMF selectivity (91.67 %), and the catalyst contained many BÀ O defects. Also, there was a strong interaction between the support BN and Co. [18] It has been shown that the doping of heteroatoms in h-BN materials can achieve the tuning of its structure and properties.…”

A bimetallic synergistic effect on the atomic scale of defect-enriched NiV-layered double hydroxide nanosheets for electrochemical phenol hydroxylation

“…Usually, synthetic transformations requiring the activation of inert Csp 2 –H bonds are heavily dependent on the use of 4d- and 5d-based precious metal complexes. 6,7 However, given the scarcity and higher costs, it has become increasingly necessary to find alternatives incorporating earth-abundant elements from the 3d row.…”