Nitrogen Release During Reaction of Coal Char with O<sub>2</sub> and CO<sub>2</sub>

林敏; 万斌; 龚媛媛; 龚继文

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Nitrogen Release During Reaction of Coal Char with O₂ and CO₂

更新时间：2026-01-19

- Nitrogen Release During Reaction of Coal Char with O₂ and CO₂
- Issue 4, Pages: 26-28+71(2014)
- 作者机构：
  
  1. 江西省科学院能源研究所
  2. 江西省科学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ520.1
- Published：2014
- 稿件说明：
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[1]林敏,万斌,龚媛媛,龚继文.煤焦在O_2和CO_2的反应过程中氮的析出特性研究[J].能源研究与管理,2014(04):26-28+71.

林敏, 万斌, 龚媛媛, et al. Nitrogen Release During Reaction of Coal Char with O₂ and CO₂[J]. 2014, (4): 26-28+71.
[1]林敏,万斌,龚媛媛,龚继文.煤焦在O_2和CO_2的反应过程中氮的析出特性研究[J].能源研究与管理,2014(04):26-28+71. DOI：

林敏, 万斌, 龚媛媛, et al. Nitrogen Release During Reaction of Coal Char with O₂ and CO₂[J]. 2014, (4): 26-28+71. DOI：

摘要

通过分析焦炭N与O2、CO2的反应

研究焦炭N转化为含N产物的化学过程和析出特性。实验在固定床反应器上进行

压力为0.1

.0 MPa。结果表明:O2、CO2和N2等主要检测产物与反应气体有关。在较宽的压力和CO2体积分数范围内

焦炭N与CO2反应生成N2的反应具有很高的选择性。以O2和CO2为反应气体时

反应压力对气化产物的分布影响较小。当O2作为气化剂时

NO和HCN是主要产物

而且其他检测产物会由这些主要产物在焦炭表面相互反应得到。

Abstract

The chemistry of char-N release and conversion to nitrogen-containing products has been probed by studying its release and reactions with O2 and CO2. The experiments were performed in a fixed bed flow reactor at pressures of up to 1.0MPa. The results show that the major nitrogen-containing products observed depend on the reactant gas; with O2

and N2 being the major species observed. Char-N reaction with CO2 produces N2with very high selectivity over a broad range of pressures and CO2 concentrations. Observed distributions of nitrogen-containing products are little affected by pressure when O2 and CO2are the reactant gases. The results suggest that NO and HCN are primary products when O2 is used as the reactant gas

and that the other observed products arise from interactions of these primary products with the char surface.

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Nitrogen Release During Reaction of Coal Char with O2 and CO2

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Nitrogen Release During Reaction of Coal Char with O₂ and CO₂