Thermodynamic modelling and optimization of oxy-reforming and oxy-steam reforming of biogas by RSM

被引：9

作者：

Ozcan, Merve Dogan ^{[1
]}

Ozcan, Orhan ^{[1
]}

Akin, Ayse Nilgun ^{[1
]}

机构：

[1] Kocaeli Univ, Dept Chem Engn, Kocaeli, Turkey

来源：

ENVIRONMENTAL TECHNOLOGY | 2020年 / 41卷 / 01期

关键词：

Hydrogen; syngas; response surface methodology; reforming processes; Gibbs free energy minimization; SYNGAS PRODUCTION; HYDROGEN-PRODUCTION; PROCESS PARAMETERS; NI/SIO2; CATALYSTS; PARTIAL OXIDATION; METHANE DRY; CO2; NI; CH4; RH;

D O I：

10.1080/09593330.2019.1639828

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this study, a comparative thermodynamic equilibrium calculation of biogas oxy-reforming and oxy-steam reforming processes to produce syngas has been conducted by Aspen Plus simulation software. The effects of temperature (600-800 degrees C), pressure (1-20 atm), and inlet O-2/CH4 (0-1.0), H2O/CH4 (0-3.0), and CO2/CH4 (0.3-1.0) mole ratios on the equilibrium compositions of products were determined. The operation of the process was optimized using Gibbs free energy minimization method and statistical approach: response surface methodology (RSM). Optimum operating conditions CH4/CO2/O-2 = 1:0.51:0.12 at 788 degrees C and 1 atm for oxy-reforming and CH4/CO2/H2O/O-2 = 1:0.63:0.19:0.07 at 780 degrees C and 1 atm for oxy-steam reforming were obtained to reach maximum H-2 yield, CH4 and CO2 conversions by minimizing carbon selectivity to produce syngas for methanol production. [GRAPHICS] .

引用

页码：14 / 28

页数：15

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