Influence of Fe<sub>2</sub>O<sub>3</sub> on glycine pyrolysis characteristics and nitrogen conversion

WEI Lihong; GUO Liangzhen; JIANG Jinyuan; LIU Meijia; YANG Tianhua

doi:10.11949/j.issn.0438-1157.20181390

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Influence of Fe₂O₃ on glycine pyrolysis characteristics and nitrogen conversion

Energy and environmental engineering | 更新时间：2026-07-24

- Influence of Fe₂O₃ on glycine pyrolysis characteristics and nitrogen conversion
- CIESC Journal Vol. 70, Issue 5, Pages: 1942-1950(2019)
- 作者机构：
  
  1.沈阳航空航天大学能源与环境学院，辽宁沈阳 110300
  2.中国环境科学研究院，北京 100012
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181390
  CLC： TK 16
- Received：21 November 2018，
  
  Revised：2019-01-10，
  
  Online First：24 July 2026，
  
  Published：05 May 2019
- 稿件说明：
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魏砾宏, 郭良振, 蒋进元, 刘美佳, 杨天华. Fe₂O₃对甘氨酸热解特性及氮转化的影响[J]. 化工学报, 2019, 70(5): 1942-1950 DOI: 10.11949/j.issn.0438-1157.20181390.

WEI Lihong, GUO Liangzhen, JIANG Jinyuan, LIU Meijia, YANG Tianhua. Influence of Fe₂O₃ on glycine pyrolysis characteristics and nitrogen conversion[J]. CIESC Journal, 2019, 70(5): 1942-1950 DOI: 10.11949/j.issn.0438-1157.20181390.
魏砾宏, 郭良振, 蒋进元, 刘美佳, 杨天华. Fe₂O₃对甘氨酸热解特性及氮转化的影响[J]. 化工学报, 2019, 70(5): 1942-1950 DOI: 10.11949/j.issn.0438-1157.20181390. DOI：

WEI Lihong, GUO Liangzhen, JIANG Jinyuan, LIU Meijia, YANG Tianhua. Influence of Fe₂O₃ on glycine pyrolysis characteristics and nitrogen conversion[J]. CIESC Journal, 2019, 70(5): 1942-1950 DOI: 10.11949/j.issn.0438-1157.20181390. DOI：

摘要

选用污泥中典型氨基酸-甘氨酸（Gly）为研究对象，利用差式热值分析-质谱联用技术（DSC-MS）和固定床实验研究了Fe

对甘氨酸热解特性、NO

前驱物生成规律以及氮转化特性的影响。结果表明：热解特性实验中，由于Fe

将Gly的第一热失重阶段一分为二，导致其热解过程由2个阶段增至3个；Fe

使Gly热解起始温度及气体析出温度降低50℃，并通过促进半焦的二次裂解反应使Gly失重率增加23%。与Fe

对Gly热解过程的影响一致，Fe

将含N气体析出过程同样分成3个独立的阶段。固定床实验中，在Fe

/N=0.5时，Fe

最大程度地抑制了NO

前驱物（NH

和HCN）析出，使其减少30%。由于Fe

促进肽脱水缩合、环化和芳香化反应，使得更多P-N、N-5和N-6固定在半焦中，半焦氮残留率增加5%。

Abstract

The influences of Fe

on glycine pyrolysis characteristics

generation mechanisms of NO

precursors and transformation characteristics of nitrogen were investigated by DSC-MS and fixed bed experiment. The results indicated that the first thermal weightlessness stage of glycine (Gly) was divided into two parts by Fe

so th

at the whole pyrolysis process was increased from 2 to 3 stages. Moreover

can not only reduced the pyrolysis initiation temperature and the temperature of gas evolution by 50℃

but also promoted the secondary cracking reaction of char

which increased the weight loss rate of Gly by 23%. Furthermore

the evolution process of N-containing gases was divided into three independent stages by Fe

which was corresponded to the Gly pyrolysis process. In the fixed bed experiment

most effective suppression of Fe

on NO

precursors (NH

and HCN) was achieved when the molar ratio of Fe

to N is 0.5

which was decreased by 30%. Since Fe

promotes peptide dehydration condensation

cyclization and aromatization reaction

more P-N

N-5 and N-6 are fixed in the semi-coke

and the semi-coke nitrogen residual rate is increased by 5%.

关键词

Keywords

references

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⁰

Influence of Fe2O3 on glycine pyrolysis characteristics and nitrogen conversion

DOI：10.11949/j.issn.0438-1157.20181390

摘要

Abstract

关键词

Keywords

references

Influence of Fe₂O₃ on glycine pyrolysis characteristics and nitrogen conversion