Simulation of sorption enhanced staged gasification of biomass for hydrogen production in the presence of calcium oxide

Li, Bin; Mbeugang, Christian Fabrice Magoua; Liu, Dongjing; Zhang, Shu; Wang, Shuang; Wang, Qian; Xu, Zhixiang; Hu, Xun

doi:10.1016/j.ijhydene.2020.07.121

Cited by 47 publications

(12 citation statements)

References 35 publications

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Section: Resultsmentioning

confidence: 99%

“…For fuel injection in the blast furnace, pulverized coal with too low ignition temperature is easy to spontaneous combustion, which is one of the main causes of safety accidents such as pulverized coal explosion in the process of preparation, transportation, and injection. 32 Therefore, to explore the safety of biomass char, the ignition temperature of biomass char was measured. In addition, the explosiveness of biomass char is also closely related to on-site safety production; it has to be considered systematically from pipeline process design to on-site operation.…”

Section: Resultsmentioning

confidence: 99%

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Comprehensive Study on the Feasibility of Pyrolysis Biomass Char Applied to Blast Furnace Injection and Tuyere Simulation Combustion

Dang

Wang

et al. 2021

ACS Omega

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Basic property analysis is the most comprehensive evaluation of metallurgical characteristics of blast furnace injection fuel. In this study, the basic properties of 16 types of pyrolysis biomass char samples were comprehensively investigated; the results showed that components harmful to a blast furnace, such as the ash content and alkali metal content of Jiangsu Suzhou woodblock char (B3), Jiangsu Changzhou branch char (B8), Jiangsu Zhangjiagang bamboo char (B10), and Jiangsu Zhangjiagang coconut shell char (B12) in all of the biomass char samples, are lower and close to the level of blast furnace injection bituminous coal. The grindability, particle size distribution, and safety all met the requirements of the blast furnace. Among them, the ash melting characteristic temperature of B3, B8, Jiangsu Zhangjiagang rice husk char (B11), and Shanghai soil remediation agent (B16) was greater than 1250 °C, indicating that they are not easy to block the blast furnace raceway and spray guns. Most of the biomass char samples had good combustibility, and the burnout temperature was less than 700 °C. A self-developed blast furnace injection combustion simulation experimental device was used to simulate the combustion behavior of biomass char in the blast furnace raceway tuyere, and the burnout rates of 16 biomass chars were measured. The results showed that that the burnout rate is related to both the volatiles and fixed carbon and the influence of volatiles on the burnout rate is greater than that of fixed carbon. The burnout rates of B3 and B8 were 77.12 and 67.03%, respectively. Above all, B3 and B8 showed good properties, but the burnout rate of B3 was higher, so B3 had the feasibility of applying to blast furnace injection, which indicates that woodblock char has the potential to be used as blast furnace injection fuel.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Comprehensive Study on the Feasibility of Pyrolysis Biomass Char Applied to Blast Furnace Injection and Tuyere Simulation Combustion

Dang

Wang

et al. 2021

ACS Omega

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“…Fossil fuel is still the backbone of world energy supply by providing the 80% share of world energy generation, which is gobbling the fossil sources. Excessive use of fossil fuels contributes to a negative impact on the environment, causing the emission of greenhouse gases, which eventually increases the 2℃ average global temperature and a serious threat to the world future which is indicated in Intergovernmental Panel on Climate Change [3,4]. The world leaders agreed in the Paris climate change conference to shift energy generation toward renewable energy resources to combat climate change [2].…”

Section: Introductionmentioning

confidence: 99%

H2-rich syngas production from air gasification of date palm waste: an experimental and modeling investigation

Kabli

Ali

Inayat

et al. 2022

Biomass Conv. Bioref.

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The energy generation from renewable sources is in prime focus not only oil-importing countries as well as oil-exporting countries. This study aims to probe out the energy generation (syngas) from Saudi Arabian date palm fronds through air gasification in a downdraft fixed bed system. In addition, an equilibrium process simulation model was developed using Aspen Plus and predicted results were compared with experimental results. Furthermore, mass and energy flows of the system were also analyzed. In parametric study, the impact of temperature (600-900℃), particle size (2-6 mm) and air flowrate (1-4 l/min) were investigated on syngas composition and gasification performance parameters higher heating value, gas yield, carbon conversion efficiency, and cold gas efficiency. The results indicate that H2 concentration was enhanced with the rise of temperature and particle size from 12.12 to 26 vol.% and 26.02 to 26.89 vol.% respectively. The enrichment of H2 concentration was due to the activation of endothermic reaction and methane reforming reaction as CH4 was dropped with increased temperature. The higher heating value of syngas, carbon conversion efficiency, and cold gas efficiency have shown an increasing profile with increased in temperature and air flowrate. The gas concentration profile obtained from the simulation model found good agreement with the experimental results. The energy analysis shows that the process is highly energy consuming, and most of the energy waste is in the form of condensate that could be potentially utilized. This study will be helpful for researchers and commercial enterprises to produce syngas from Saudi Arabian date palm fronds.

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“…This increases the concentration of H 2 in the syngas. The optimal temperature based on literature studies is 500-750 °C under atmospheric pressure [21][22][23][24][25]. This is related to CO 2 absorption so that syngas rich in H 2 and low in CO 2 concentration is obtained.…”

Section: Introductionmentioning

confidence: 99%

H 2 -rich syngas production by sorption enhanced steam gasification of palm empty fruit bunch

Aprianti¹,

Faizal²,

Said³

et al. 2022

Comptes Rendus. Chimie

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Hydrogen-rich syngas from palm empty fruit bunch has been produced using CaO and bentonite as absorbent and catalyst. The gasification process is carried out at 550-750 °C at atmospheric pressure in the fixed bed gasifier with steam to biomass ratio (S/B) of 0-2.5 and Ca/C ratio of 0-2. The results showed that CaO only acts as CO 2 absorbent during the process. Increasing the ratio of Ca/C and S/B has increased the concentration of H 2 and absorption of CO 2 in the syngas. The addition of CaO did not significantly increase the production of CH 4 and CO in the syngas. The H 2 concentration reaches about 78.16 vol% at 700 °C and Ca/C 2.

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Simulation of sorption enhanced staged gasification of biomass for hydrogen production in the presence of calcium oxide

Cited by 47 publications

References 35 publications

Comprehensive Study on the Feasibility of Pyrolysis Biomass Char Applied to Blast Furnace Injection and Tuyere Simulation Combustion

Comprehensive Study on the Feasibility of Pyrolysis Biomass Char Applied to Blast Furnace Injection and Tuyere Simulation Combustion

H2-rich syngas production from air gasification of date palm waste: an experimental and modeling investigation

H 2 -rich syngas production by sorption enhanced steam gasification of palm empty fruit bunch

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