Sankaranarayanan Thangaraju Murugan

Sankaranarayanan Thangaraju Murugan
Reliance Industries Limited · FCC catalyst development team

About

19
Publications
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527
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January 2017 - February 2017
Reliance Industries Limited
Position
  • Researcher

Publications

Publications (19)
Article
Catalytic hydrodeoxygenation (HDO) is a promising technology for improving the properties of pyrolysis bio-oils. However, the role that intermolecular reactivity between the numerous chemical components of bio-oil plays on the overall performance of the process has been scarcely investigated. In order to gain additional insights into the network of...
Article
The catalytic activity of hierarchical ZSM-5 zeolites was investigated in the polyols (sorbitol and xylitol) to hydrocarbons conversion in a fixed bed reactor under atmospheric pressure by altering different parameters. A lower sorbitol and xylitol conversion was achieved at the reaction temperature of 375 °C, whereas a higher value of 92.33 and 88...
Article
Full-text available
Hydrogenolysis of sorbitol (15% aqueous solution) has been carried out in a batch reactor over Ni (6 wt%), Pt (1 wt%) and Ru (1 wt%) supported on SBA-15 and carbon coated SBA-15 (SBA-15(C)). For comparison, the three metals have also been supported on activated carbon (AC). The catalysts are characterized by XRD, N-2 and H-2 adsorption measurements...
Article
Full-text available
Hierarchical ZSM-5 catalysts with different Si/Al ratios (20, 60 and 100) were hydrothermally synthesized. The prepared samples were studied by several techniques, including X-ray diffraction (XRD), X-ray fluorescence (XRF) analysis, Fourier transform infrared (FTIR) spectroscopy, N2 adsorption–desorption, high resolution transmission electron micr...
Article
Full-text available
A series of transition metal phosphides (Ni2P, Co2P and MoP) have been synthesized by temperature programmed reduction of the corresponding metal phosphate precursors loaded over mesostructured Al-SBA-15, mesoporous γ-Al2O3 (m-Al2O3) and ordered mesoporous carbon (CMK-3). Both the dispersion and metal phosphide phases attained are strongly influenc...
Article
Full-text available
Hydrogenolysis of sorbitol into glycols and alcohols has been carried out in an aqueous medium using Ni (3, 6 and 10 wt%) supported on fly ash, an ‘industrial waste’. The reaction was carried out in an aqueous medium using a 15 wt% solution (40 g) of sorbitol and 0.2 g of the reduced catalyst in a stirred high pressure reactor at different temperat...
Article
Hydrodeoxygenation (HDO) is considered one of the most promising routes to convert the pyrolysis bio-oils produced from lignocellulose into biofuels very similar to those derived from petroleum. This work reports results obtained in the catalytic HDO of anisole over non-conventional hydrotreating catalysts based on metallic Ni and Co supported on m...
Article
Samples of ZnO-Al2O3 and ZnO-Fe2O3 with different loadings of ZnO (5-20 wt%) were prepared by impregnation of the supports (γ-Al2O3 and α-Fe2O3) with ZnNO3 and calcination at 873 K. XRD studies of the calcined samples revealed that the ZnO had reacted with the support to form the corresponding spinels, ZnAl2O4 and ZnFe2O4. The catalytic activity of...
Article
Samples of ZnO–Al2O3 and ZnO–Fe2O3 with different loadings of ZnO (5–20 wt%) were prepared by impregnation of the supports (γ-Al2O3 and α-Fe2O3) with ZnNO3 and calcination at 873 K. XRD studies of the calcined samples revealed that the ZnO had reacted with the support to form the corresponding spinels, ZnAl2O4 and ZnFe2O4. The catalytic activity of...
Article
Full-text available
Investigations on the transesterification of sunflower oil over MoO3 (8 %) supported on SiO2, SiO2–Al2O3, TiO2 and Al2O3, carried out in order to elucidate the effects of the support on the nature of the supported MoO3 species and transesterification activity, are reported. The supported MoO3 samples were calcined at two temperatures (800 and 950 K...
Article
Full-text available
This article deals with the formation of graphene flowers using simple solution casting technique. Graphene flowers were obtained by dispersing graphene in a solution containing bovine serum albumin (BSA), choloauric acid (HAuCl4·3H2O) and sodium hydroxide (NaOH). Fluorescence images showed that the fluorescence was present on the edges of graphene...
Article
Crystalline mixed oxides of AB2O4 composition, where A = Co, Ni, Cu and Zn and B = Al, Fe and Co, were prepared by co-precipitation of hydroxides and calcination at 873 K. The catalytic activity of these materials in the transesterification of sunflower oil with methanol to produce fatty acid mono esters (FAME; biodiesel) was investigated. The tran...
Article
Crystalline mixed oxides of AB(2)O(4) composition, where A = Co, Ni, Cu and Zn and B = Al, Fe and Co, were prepared by co-precipitation of hydroxides and calcination at 873 K. The catalytic activity of these materials in the transesterification of sunflower oil with methanol to produce fatty acid mono esters (FAME; biodiesel) was investigated. The...
Article
Ni-Mo catalysts have been prepared using MCM-41, SBA-15, AlMCM-41, a blend of dealuminated BEA and alumina (DAl BEA-AL) and γ-Al2O3 as supports. The supports/catalysts have been characterized by N2-adsorption, XRD, UV–vis, Raman spectroscopy, temperature programmed reduction and temperature programmed desorption of NH3. The catalysts have been eval...
Article
Samples of MoO3/γ-Al2O3 with different MoO3 loadings (8, 12 and 16wt%) calcined at different temperatures (800, 950 and 1100K) have been used in the transesterification of sunflower oil with methanol. Activity was the highest when the samples were calcined at 950K, the most active catalyst being 16%MoO3–Al2O3. XRD and Raman spectroscopy reveal the...
Article
Full-text available
Mixtures of sunflower oil and a straight run gas oil in the diesel fuel range were hydroprocessed over sulfided NiO(3%)-MoO3(12%)-γ-Al2O3 incorporating 0, 15 or 30 wt.% zeolite beta (BEA). The studies were carried out at 320-350 °C; 30-60 bars, and weight hourly space velocities (WHSV), 1-4 h(-1). Catalyst containing 30% BEA achieved nearly 100 % c...
Article
Full-text available
The hydrogenolysis of sorbitol (15% aqueous solution) was carried out at 60bar pressure at 220°C in a stirred batch reactor using Ni–NaY (2, 4, 6wt.% Ni) with and without added Pt(1wt.%). 1,2-Propanediol was the major product over Ni–NaY and glycerol was the main product over Pt(1wt.%)–NaY. The addition of 1wt.% Pt to the Ni-catalysts had only a ma...

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