含氮模型化合物用于化学链燃烧的氮氧化物释放特性

doi:10.11949/j.issn.0438-1157.20150475

化工学报 ›› 2015, Vol. 66 ›› Issue (11): 4588-4596.DOI: 10.11949/j.issn.0438-1157.20150475

含氮模型化合物用于化学链燃烧的氮氧化物释放特性

肖申^1,2, 沈来宏¹, 牛欣¹, 顾海明¹, 葛晖骏¹

1 东南大学能源热转换及其过程测控教育部重点实验室, 江苏南京 210096;
2 华电电力科学研究院中南分院, 湖北武汉 430062

收稿日期:2015-04-14 修回日期:2015-05-14 出版日期:2015-11-05 发布日期:2015-11-05
通讯作者: 沈来宏
基金资助:
国家自然科学基金项目(51476029,51406035);中国博士后基金特别资助项目(2015T80486);中央高校基本科研业务费专项资金资助项目(3203005601)。

NO_x release in chemical looping combustion of N-containing model compounds

XIAO Shen^1,2, SHEN Laihong¹, NIU Xin¹, GU Haiming¹, GE Huijun¹

1 Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, Jiangsu, China;
2 Huadian Electric Power Research Institute of Zhongnan Branch, Wuhan 430062, Hubei, China

Received:2015-04-14 Revised:2015-05-14 Online:2015-11-05 Published:2015-11-05
Supported by:
supported by the National Natural Science Foundation of China (51476029, 51406035), the China Postdoctoral Science Special Foundation (2015T80486) and the Fundamental Research Funds for the Central Universities (3203005601).

摘要/Abstract

摘要：

以谷氨酸、甘氨酸和苯丙氨酸作为生物质的含氮模型化合物,进行化学链燃烧实验,主要考察了反应温度、氨基酸种类、碱金属钾元素等对化学链燃烧还原反应过程中氮氧化物释放特性的影响。结果显示,挥发分氮的释放迅速,温度的升高有利于NO和NO₂的生成,N₂O的生成会出现波动。模型化合物的氮含量越高,可能越不利于氮向氮氧化物的转化。钾元素对苯丙氨酸的化学链燃烧过程中NO的释放抑制作用较强,而对其他氨基酸化学链燃烧过程中氮氧化物释放的影响则不太显著。

关键词: 生物质, 含氮模型化合物, 化学链燃烧, 氮氧化物

Abstract:

The experiment was conducted using glutamic acid, glycine and phenylalanine as N-containing model compounds. During their reduction in chemical looping combustion (CLC), the effects of temperature and K element on NO_x release were studied. The results indicated that release of volatile-N was quick during whole CLC process, and yields of NO and NO₂ increased with increasing temperature, whereas N₂O concentration showed fluctuation. Higher nitrogen content in model compounds, more difficult for conversion from nitrogen to NO_x. K element showed no significant effect on NO_x release of the three amino acids during CLC process except that NO emission from phenylalanine.

Key words: biomass, N-containing model compound, chemical looping combustion, NO_x

中图分类号:

肖申, 沈来宏, 牛欣, 顾海明, 葛晖骏. 含氮模型化合物用于化学链燃烧的氮氧化物释放特性[J]. 化工学报, 2015, 66(11): 4588-4596.

XIAO Shen, SHEN Laihong, NIU Xin, GU Haiming, GE Huijun. NO_x release in chemical looping combustion of N-containing model compounds[J]. CIESC Journal, 2015, 66(11): 4588-4596.

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含氮模型化合物用于化学链燃烧的氮氧化物释放特性

NO_x release in chemical looping combustion of N-containing model compounds

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含氮模型化合物用于化学链燃烧的氮氧化物释放特性

NOx release in chemical looping combustion of N-containing model compounds

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NO_x release in chemical looping combustion of N-containing model compounds