Effect of calcination temperature on desulfurization performance over Mn x O y supported on MCM-41 at low temperatures

被引：4
作者：
Zhang, Jiaojing [1 ,2 ]
Wang, Guojian [1 ]
Wang, Wenyi [1 ]
Song, Hua [1 ,2 ]
Li, Fengsheng [3 ]
机构：
[1] Northeast Petr Univ, Coll Chem & Chem Engn, Daqing 163318, Heilongjiang, Peoples R China
[2] Northeast Petr Univ, Coll Chem & Chem Engn, Prov Key Lab Oil & Gas Chem Technol, Daqing 163318, Heilongjiang, Peoples R China
[3] Northeast Petr Univ, Inst Petr Econ & Management, Daqing 163318, Heilongjiang, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2016年 / 42卷 / 06期
关键词：
Desulfurization; H2S; Mesoporous silica; Manganese dioxide; Adsorption; HYDROGEN-SULFIDE; SELECTIVE OXIDATION; REMOVAL; GAS; H2S; NANOPARTICLES; ADSORPTION; CATALYSTS; OXIDES; MN2O3;
D O I：
10.1007/s11164-016-2421-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorbents consisting of Mn (x) O (y) supported on MCM-41 have been prepared at different calcination temperatures by the ultrasonic assisted impregnation method. The physical properties of these adsorbents have been characterized by thermogravimetric and differential thermal gravimetry, X-ray diffraction, Fourier-transform infrared spectroscopy, temperature-programmed reduction, and nitrogen sorption analysis. The results showed that the adsorbent calcined at 550 A degrees C exhibited the best desulfurization performance. The saturated H2S capacity reached 28.65 mg/g at an adsorption temperature of 25 A degrees C. The saturated H2S capacities of the different adsorbents decreased in the order of their calcination temperatures as follows: 550 > 450 > 350 > 650 A degrees C.
引用
收藏
页码：6003 / 6012
页数：10
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