Use of unsupported, mechanically alloyed NiWMoC nanocatalyst to reduce the viscosity of aquathermolysis reaction of heavy oil

被引：46

作者：

Rivera Olvera, Jesus Noe ^{[1
]}

Juliana Gutierrez, G. ^{[2
]}

Romero Serrano, J. A. ^{[1
]}

Medina Ovando, A. ^{[2
]}

Garibay Febles, V. ^{[3
]}

Barriga Arceo, Lucia Diaz ^{[1
]}

机构：

[1] ESIQIE Inst Politecn Nacl, Mexico City 07300, DF, Mexico

[2] Inst Politecn Nacl, SEPI ESIME Azcapotzalco, Mexico City 02250, DF, Mexico

[3] IMP Programa Ingn Mol, Mexico City, DF, Mexico

来源：

CATALYSIS COMMUNICATIONS | 2014年 / 43卷

关键词：

Nanocrystalline catalyst; Mechanical alloying process; Catalytic aquathermolysis; CATALYTIC AQUATHERMOLYSIS;

D O I：

10.1016/j.catcom.2013.09.027

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Ni, W, Mo and C catalysts were mixed and mechanically processed at room temperature for different grinding times: 0, 40, 80, 120, 160, 200 and 240 h. The phases at every stage of milling were studied by X-ray diffraction (XRD). The powders were used in the catalytic aquathermolysis reaction of heavy oil. X-RD showed by increasing the milling time from 0 to 240 h, nanostructured carbide phases were synthesized with a crystallite size ranging from 125.6 to 10.1 nm, which was confirmed by high resolution transmission electron microscopy (HRTEM). The performance of the nano-catalysts in the heavy oil before and after the reaction was analyzed by Fourier transform infrared spectroscopy (FT-IR). As the milling time increased, the ratio of the viscosity reduction of the heavy oil increased from 80.4% to 97.1% by using the catalyst milled for 240 h. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：131 / 135

页数：5

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