Abstract
One of the main challenges in the field of heterogeneous catalysis is the involvement of thin solid films and membranes and their application in flow systems. In this regard, we report here the application of self-supported bacterial cellulose (BC) reinforced nanosized platinum (Pt)/N-doped bamboo-like carbon nanotube (NBCNT) hybrid catalyst membrane with a thickness of 35 ± 5 µm in the hydrogenation of n-butene. To synthetized the BC-NBCNT/Pt nanohybrid membrane catalyst a simple impregnation route was applied in a two-step process. As-prepared material was tested in a continuous flow system and the conversion was followed directly by using Fourier transform infrared spectroscopy. Furthermore, the fabricated films were characterized by scanning electron microscopy, X-ray diffraction, energy-dispersive X-ray spectroscopy and specific surface area measurement (Brunauer–Emmett–Teller). Hydrogenation performance was studied on both single and double films. Results revealed that 97% conversion of n-butene can be achieved using these bacterial cellulose reinforced hybrid membranes.Graphic abstract
Highlights
There has been growing interest over the last decade in the involvement of hybrid materials in the field of catalysis, due to advantages such as high specific surface area, simplicity of operation or high material conversion efficiency [1]
The bacterial cellulose (BC)-reinforced N-doped bamboo-like carbon nanotube (NBCNT)/Pt membranes were examined by scanning electron microscopy
The scanning electron microscopy (SEM) image of the membrane shows the fibrous structure of the NBCNTs and BC fibres (Fig. 2a)
Summary
There has been growing interest over the last decade in the involvement of hybrid materials in the field of catalysis, due to advantages such as high specific surface area, simplicity of operation or high material conversion efficiency [1]. Platinum (Pt) and Ptbased materials are regarded as highly active and effective catalysts [2]. Pt-based catalysts should be ultrafine powders containing Pt particles in the nanometre range to offer a large number of active sites and a large surface area. To overcome limitations and to further improve the effectiveness of catalysts, many researchers have focused on the development of material-supported Pt catalysts. In this regard, carbon nanotubes (CNTs) [6] and bacterial cellulose (BC) [7] are of interest in the development of a novel hybrid membrane catalyst for a wide range of applications
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