Evaluation of multi-cycle performance of chemical looping dry reforming using CO_2 as an oxidant with Fe–Ni bimetallic oxides

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	Evaluation of multi-cycle performance of chemical looping dry reforming using CO_2 as an oxidant with Fe–Ni bimetallic oxides
	Huang Zhen 1; Jiang Huanqi 1; He Fang2 ; Chen Dezhen 1; Guo Qiangwei 2; Zhao Kun2 ; Zheng Anqing2 ; Feng Yipeng 2; Zhao Zengli2 ; Li Haibin2
	2016
Source Publication	Journal of Energy Chemistry
ISSN	2095-4956
Volume	25 Issue:1 Pages:62
Abstract	Chemical looping dry reforming (CLDR) is an innovative technology for CO 2 utilization using the chemical looping principle. The CLDR process consists of three stages, i.e. CH 4 reduction, CO 2 reforming, and air oxidation. Spinel nickel ferrite (NiFe 2 O 4 ) was prepared and its multi-cycle performance as an oxygen carrier for CLDR was experimentally investigated. X-ray diffraction (XRD) and Laser Raman spectroscopy showed that a pure spinel crystalline phase (NiFe 2 O 4 ) was obtained by a parallelflowco-precipitating method. NiFe 2 O 4 was reduced into Fe–Ni alloy and wustite (Fe x O) during the CH 4 reduction process. Subsequent oxidation of the reduced oxygen carrier was performed with CO 2 as an oxidant to form an intermediate state: a mixture of spinel Ni 1? x Fe 2+ x O 4 , Fe 2+ y O 4 and metallic Ni. And CO was generated in parallel during this stage. Approximate 185mL of CO was generated for 1 g spinel NiFe 2 O 4 in a single cycle. The intermediate oxygen carrier was fully oxidized in the air oxidation stage to form a mixture of Ni 1+ x Fe 2? x O 4 and Fe 2 O 3 . Although the original state of oxygen carrier (NiFe 2 O 4 ) was not fully regenerated and agglomeration was observed, a good recyclability was shown in 10 successive redox cycles.
Language	英语
Document Type	期刊论文
Identifier	http://ir.giec.ac.cn/handle/344007/20404
Collection	中国科学院广州能源研究所
Affiliation	1.同济大学 2.中国科学院广州能源研究所
Recommended Citation GB/T 7714	Huang Zhen,Jiang Huanqi,He Fang,等. Evaluation of multi-cycle performance of chemical looping dry reforming using CO_2 as an oxidant with Fe–Ni bimetallic oxides[J]. Journal of Energy Chemistry,2016,25(1):62.
APA	Huang Zhen.,Jiang Huanqi.,He Fang.,Chen Dezhen.,Guo Qiangwei.,...&Li Haibin.(2016).Evaluation of multi-cycle performance of chemical looping dry reforming using CO_2 as an oxidant with Fe–Ni bimetallic oxides.Journal of Energy Chemistry,25(1),62.
MLA	Huang Zhen,et al."Evaluation of multi-cycle performance of chemical looping dry reforming using CO_2 as an oxidant with Fe–Ni bimetallic oxides".Journal of Energy Chemistry 25.1(2016):62.

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