Preparation of Ni–Co–W–Si amorphous cosolute materials and study on adsorption properties. (24th November 2017)

• Record Type: Journal Article
• Authors: Ren, Ke; Chen, Keng; Huang, Qingming; Xu, Ruting; Chen, Xiaohui
• Is Part Of: Materials research express. Volume 4:Number 11(2017)
• Publication Date: 2017-11-24
• Subjects: cosolute -- amorphous -- Co -- acid sites -- adsorption; Materials science -- Research -- Periodicals; Materials science -- Periodicals; 620.11
• DOI: 10.1088/2053-1591/aa94a2
• Languages: English
• ISSNs: 2053-1591

Abstract

Abstract: A series of adsorptive materials which contain Ni, Co, W and Si were prepared by several methods. X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Raman, ultraviolet visible spectroscopy (UV–vis) and N2 -physisorption were used to investigate surface characterization and pore structures. The results showed that samples prepared by two-step method were complete amorphous cosolute structures with the special covering layers. The analysis of NH3 -temperature programmed desorption (NH3 -TPD) illustrated that the different introduction methods of Co and W would made the distribution of acid sites of samples adjustable. When these adsorptive materials were mixed with real diesel (Chinese IV standard, initial concentration of sulfur-containing compounds C 0 = 32.78 mgS l −1, adsorbents/oil ratio of 1 g/30 ml) at 60 °C for 2 h, the best desulfurization rate could reach 41.20%. This study of cosolute amorphous material could provide a reference for further studies.