Biomass chemical-looping gasification coupled with water/CO2-splitting using NiFe2O4 as an oxygen carrier

He, Fang; Huang, Zhen; Wei, Guoqiang; Zhao, Kun; Wang, Guixia; Kong, Xiangfei; Feng, Yujie; Tan, Hongbing; Hou, Shili; Lv, Yijv; Jiang, Guang-Bin; Guo, Yanjun

doi:10.1016/j.enconman.2019.112157

Cited by 73 publications

(36 citation statements)

References 48 publications

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“…However, these oxygen carriers required complex material processes to be developed and used in the CLG systems. Similar experiments were conducted by He et al [16] using NiFe 2 O 4 as an oxygen carrier for biomass gasification and reported carbon conversion of 92.5%.…”

Section: Introductionsupporting

confidence: 78%

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Sarafraz

Christo

2020

Energy Conversion and Management

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Section: Introductionsupporting

confidence: 78%

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Sarafraz

Christo

2020

Energy Conversion and Management

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“…As for composite metal oxides, due to their synergistic effect or characteristic complementarity, they show better reactivity than single metal oxides and have been studied more extensively, including perovskite (eg, La 0.7 Sr 0.3 FeO 3 , 7 LaCoO 3 , 8 La 1‐y Ca y Ni 0.9 Cu 0.1 O 3 , 9 etc. ), hexaaluminate, 10 spinel (eg, Cu 0.5 Co 0.5 Fe 2 O 4 , 11 NiFe 2 O 4 , 12,13 etc.) and core‐shell structure 14 .…”

Section: Introductionmentioning

confidence: 99%

Study on the redox performance of Cu and Ce‐doped CoFe ₂ O ₄ as oxygen carriers for chemical looping hydrogen generation

Gao

Jia

et al. 2022

Intl J of Energy Research

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Summary In the chemical looping hydrogen generation process, CoFe2O4 is regarded as one of the most excellent candidates for oxygen carriers (OCs). In this paper, the synergistic effect of Cu and Ce added to CoFe2O4 was studied. The doping of Cu and Ce improved the reactivity of CoFe2O4 with methane, and also increased the hydrogen yield and purity. The results indicated that the introduction of Cu and Ce facilitated the deep reduction of CoFe2O4, which was ascribed to the enhanced migration capacity of lattice oxygen. In addition, the addition of Cu inhibited the decomposition of CH4 and alleviated carbon deposition. The Cu4Ce4‐CoFe had a suitable Cu/Ce mass ratio, which was more conducive to the formation of excellent synergistic effect to enhance hydrogen production and weaken carbon deposition. The Cu4Ce4‐CoFe exhibited outstanding H2 yield (15.42 mmol·g−1) and H2 purity (99.13%). In addition, the reactivity of OC decreased to some extent with the cyclic experiment when the Cu4Ce4‐CoFe was used, the H2 yield decreased from ∼15.21 to ∼10.86 mmol·g−1 over 10 experimental cycles. In conclusion, Cu and Ce co‐doping is an effective strategy to obtain OCs with preeminent hydrogen production performance and anti‐carbon deposition performance.

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“…The CLG temperature of no less than 800 °C was needed for a complete redox of iron ore to avoid calcium carbonation and enable a sustainable hydrogen. 12 In a study of biomass CLG using NiFe 2 O 4 , 15 carbon conversion efficiency, and syngas yield increased approximately 26% from 700 °C to 850 °C. The steam flow rate is a key parameter strongly affecting hydrogen production and carbon conversion efficiency, as well as the total gas yield.…”

Section: Introductionmentioning

confidence: 99%

Syngas Production by Chemical-Looping Gasification of Waste Activated Carbon with Iron-Based Oxygen Carrier

et al. 2022

Fine Chemical Engineering

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Waste Activated Carbon (WAC), as a typical solid waste, can be utilized by Chemical-Looping Gasification (CLG) technology with an iron-based Oxygen Carrier (OC) to produce valuable synthesis gas. A series of experiments on WAC of the CLG process has been performed in a fixed-bed reactor. The operation parameters and cyclic performance of the iron-based OC have been investigated during CLG reactions. Fresh and cyclic reaction OC samples have been analyzed by X-Ray Diffraction (XRD) and Scanning Electron Microscopy (SEM). To obtain high-quality syngas with high carbon conversion, the optimal OC/WAC mole ratio, steam flow rate and reaction temperature are 0.1, 0.10 mL/min, and 950 °C, respectively. The iron-based OC exhibits a stable cyclic performance during multiple tests, following the reaction path of Fe2O3 to Fe0.98O in the individual reduction process. Moreover, the iron-based OC is oxidized to almost its initial state after 10 redox tests without obvious sintering and agglomeration phenomena. The WAC of CLG provides a new approach to the comprehensive usage of solid waste, especially with low volatile feedstock.

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Biomass chemical-looping gasification coupled with water/CO2-splitting using NiFe2O4 as an oxygen carrier

Cited by 73 publications

References 48 publications

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Study on the redox performance of Cu and Ce‐doped CoFe ₂ O ₄ as oxygen carriers for chemical looping hydrogen generation

Syngas Production by Chemical-Looping Gasification of Waste Activated Carbon with Iron-Based Oxygen Carrier

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Biomass chemical-looping gasification coupled with water/CO2-splitting using NiFe2O4 as an oxygen carrier

Cited by 73 publications

References 48 publications

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Thermodynamic assessment and techno-economic analysis of a liquid indium-based chemical looping system for biomass gasification

Study on the redox performance of Cu and Ce‐doped CoFe 2 O 4 as oxygen carriers for chemical looping hydrogen generation

Syngas Production by Chemical-Looping Gasification of Waste Activated Carbon with Iron-Based Oxygen Carrier

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Study on the redox performance of Cu and Ce‐doped CoFe ₂ O ₄ as oxygen carriers for chemical looping hydrogen generation