Petroleum Science Volume 4 Issue 1, Page 2

Journal Article

Preparation and characterization of zeolite beta with low SiO2/Al2O3 ratio

Shanjiao, Kang; Yanjun, Gong; Tao, Dou; Ying, Zhang; Yanying, Zheng

2010 Petroleum Science

Zeolite beta with a low SiO2/Al2O3 ratio was synthesized by a novel two-step process. The synthesized sample was characterized with XRD, SEM, FTIR, and N2 adsorption-desorption and solid-state MAS NMR. The results showed that aluminium species were inserted into the framework of zeolite beta. The...

Open Access

Journal Article

Effect of addition sequence during neutralization and precipitation on iron-based catalysts for high temperature shift reaction

Wei, Li; Jianhua, Zhu; Zhanjun, Mou

2010 Petroleum Science

doi:10.1007/BF03186578

The preparation of the iron-based catalysts promoted by cobalt with a small amount of copper and aluminum for the high temperature shift reaction (HTS) with different sequences of adding catalyst raw materials during neutralization and precipitation was investigated. XRD, BET and particle size...

Open Access

Journal Article

A comparative study of the flow field of high viscosity media in conventional/rotary hydrocyclones

Liancheng, Ren; Zheng, Liang; Gongxiang, Zhong; Shihui, Wu

2010 Petroleum Science

doi:10.1007/BF03186579

The flow fields inside conventional and rotary hydrocyclones were simulated respectively. In these simulations, water only and oil-water mixture, with distinctly different viscosities, were used as continuous phases. Simulation results agreed well with the experimental measurements. Simulation...

Open Access

Journal Article

Influence of pseudoelasticity on mechanical behavior of TiNi alloy under dynamic impact loading

Renbo, Xu; Lishan, Cui; Yanjun, Zheng; Hongling, Chen

2010 Petroleum Science

doi:10.1007/BF03186580

The mechanical behavior of TiNi alloy and Cr12MoV alloy under dynamic impact loading was investigated with a self-made impact testing system. The real-time contact force was measured with a piezoelectric force sensor and digital signal processing system during impact. Equations for predicting...

Open Access

Journal Article

Selection of Sinopec lubricating oil producing bases by using the AHP model

Yunchang, Song; Zhaozheng, Song; Chengguo, Zheng; Qingzhe, Jiang; Chunming, Xu

2010 Petroleum Science

doi:10.1007/BF03186581

The factors affecting the development of Sinopec lubricating oil were analyzed in this paper, and an analytic hierarchy process (AHP) model for selecting lubricating-oil producing bases was developed. By using this model, nine lubricating oil producing companies under Sinopec were comprehensively...

Open Access

Journal Article

Warm congratulations to professor K. F. Tyapkin for his 80th birthday

Kangyin, Yu

2010 Petroleum Science

doi:10.1007/BF03186582

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Petroleum Science Volume 4 Issue 1

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