Development and performance of binder-supported CaSO4 oxygen carriers for chemical looping combustion

Ding, Ning; Zheng, Ying; Luo, Cong; Wu, Qilong; Fu, Peifang; Chen, Zheng

doi:10.1016/j.cej.2011.04.054

Cited by 32 publications

(23 citation statements)

References 34 publications

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“…A low-cost CaSO 4 has attracted attention as an oxygen carrier in CLC. Ding et al (2011) investigated a binder-supported CaSO 4 oxygen carrier with CH 4 as a fuel and obtained an optimal extrusion condition. However, there are still some challenges for the use of the CaSO 4 oxygen carrier in CLC, such as the release of sulfur leading to the loss of oxygen carried capacity.…”

Section: Clcmentioning

confidence: 99%

Characterization of an Australia hematite oxygen carrier in chemical looping combustion with coal

Song

Zhang

et al. 2012

International Journal of Greenhouse Gas Control

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Section: Clcmentioning

confidence: 99%

Characterization of an Australia hematite oxygen carrier in chemical looping combustion with coal

Song

Zhang

et al. 2012

International Journal of Greenhouse Gas Control

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“…Therefore natural minerals [17,20], industrial residues [21,22] or synthetic carriers made with low-cost raw materials [23] are of great interest. Ilmenite was found to be an appropriate material for its use as oxygen carrier in CLC with solid fuels [8][9][10][11].…”

Section: Solid Fuelmentioning

confidence: 99%

Relevance of the coal rank on the performance of the in situ gasification chemical-looping combustion

Cuadrat

Abad

Gayán

et al. 2012

Chemical Engineering Journal

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In this work the CLC process for solid fuels using ilmenite as oxygen carrier was evaluated in a continuous CLC unit. In this process, gasification of solid fuel happens in the fuel reactor which is fluidized by a gasifying agent, i.e, H 2 O. This process has been referred as in-situ Gasification CLC, iG-CLC. The feasibility of using fuels ranging from lignite to anthracite and the effect of the coal rank on the process performance was evaluated. The carbon capture efficiency followed the trend of the coal rank, as it was higher for lignite, then for the bituminous coals and it was lower for anthracite. Special attention was put on the combustion of the volatile matter of the different fuels. In all cases oxygen demands lower than 10% were found; for anthracite the oxygen demand values were 3.5% because of the lower volatile content of this fuel. A temperature increase was proven to be advantageous to reach high carbon capture and combustion efficiencies for all the fuels tested. Also, the feasibility of using H 2 O:CO 2 mixtures as gasification agent with each type of fuel was also assessed and it was seen that in case of bituminous coals and lignite some of H 2 O can be replaced by CO 2 .

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“…According to previous studies [29], SO 2 is thermodynamically favored at high reaction temperatures and under poor reducing conditions. Consequently, the emitted sulfur-containing gasses were mainly H 2 S and COS in this process rather than SO 2 , which differs from the CLC process [31].…”

Section: Sulfur Release With Caso 4 /Ben and Caso 4 -Cao/ben Oxygen Cmentioning

confidence: 99%

Coal chemical-looping gasification of Ca-based oxygen carriers decorated by CaO

Guo

Liu

et al. 2015

Powder Technology

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Development and performance of binder-supported CaSO4 oxygen carriers for chemical looping combustion

Cited by 32 publications

References 34 publications

Characterization of an Australia hematite oxygen carrier in chemical looping combustion with coal

Characterization of an Australia hematite oxygen carrier in chemical looping combustion with coal

Relevance of the coal rank on the performance of the in situ gasification chemical-looping combustion

Coal chemical-looping gasification of Ca-based oxygen carriers decorated by CaO

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