Process Optimization of Bio-oil Reforming for Hydrogen Production with Low CO Based on Thermodynamics
[1]LIU Liping,HAN Shunchuang,CHEN Shuo,et al.Process Optimization of Bio-oil Reforming for Hydrogen Production with Low CO Based on Thermodynamics[J].Journal of Zhengzhou University (Engineering Science),2022,43(04):41-46.[doi:10.13705/j.issn.1671-6833.2022.04.013]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
43卷
Number of periods:
2022 04
Page number:
41-46
Column:
Public date:
2022-07-03
- Title:
- Process Optimization of Bio-oil Reforming for Hydrogen Production with Low CO Based on Thermodynamics
- Keywords:
- bio-oil; reforming for hydrogen production; Aspen Plus; response surface method; fuel cell
- CLC:
- TK91；TQ116. 2
- DOI:
- 10.13705/j.issn.1671-6833.2022.04.013
- Abstract:
- According to the application demand of low CO content in fuel cell hydrogen source,the thermodynamic analysis of bio-oil steam reforming process for hydrogen production was carried out,and the process conditions of high hydrogen and low CO were optimized and obtained by response surface method.Firstly,the thermodynamic analysis of hydrogen production by bio-oil steam reforming was carried out in the range of temperature 300-1 500 K,pressure 0.1-0.7 MPa and water to carbon ratio 1.0-7.0.The results showed that high temperature,low pressure and high water to carbon ratio were favorable for hydrogen production,while low temperature,higher pressure and high water to carbon ratio could inhibit the formation of CO.Then,reaction temperature,pressure and water to carbon ratio were determined as the analysis variables,and the high hydrogen yield and low CO dry basis molar concentration were taken as the optimization objectives.The response surface method was used for prediction and analysis,and the low CO process conditions of hydrogen production by bio-oil steam reforming suitable for fuel cell application were obtained.The optimized results were compared with the experimental results under similar reaction conditions,and the values were close.Comparing the hydrogen yield and CO dry basis molar concentration of response surface prediction optimization results with those of Aspen Plus thermodynamic simulation results,the parameter error was less than 5%.The thermodynamic optimal conditions for hydrogen production by bio-oil steam reforming with the effect of high hydrogen and low CO were obtained as follows：temperature 814.98 K,pressure 0.10 MPa and water carbon ratio 6.00.In these conditions,the yield of hydrogen was 88.74% and the dry basis molar concentration of CO was 3.07%.
- References:
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Last Update:
2022-07-03