| 煤中固有矿物质在热解过程中对氮释放的影响 |
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| 引用本文： | 常丽萍,赵娅鸿. 煤中固有矿物质在热解过程中对氮释放的影响[J]. 煤炭转化, 2005, 28(2): 36-38 |
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| 作者姓名： | 常丽萍 赵娅鸿 |
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| 作者单位： | 1. 煤科学与技术教育部和山西省重点实验室,太原理工大学,030024,太原
2. 山西省产品质量监督检验所,030011,太原 |
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| 基金项目： | 山西省自然科学基金资助项目 (2 0 0 410 18)，山西省回国留学人员基金资助项目 (2 0 0 3 -2 5 ) |
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| 摘 要： | 采用管式炉固定床反应器,考察了平朔煤( PS)、神木煤( SM)和阳城煤( YC)三种不同变质程度的煤种在热解过程中的HCN和NH3 释放规律,主要讨论煤中所固有的矿物质在这一过程中对氮分配的影响.结果表明:不同变质程度的煤种脱除矿物质后,均表现为热解过程中的NH3释放量减少,其减少程度与灰分的性质有关;而HCN的释放与煤中矿物质的关系却受煤变质程度的影响;同时矿物质对不同形态氮的分配也有明显的作用.
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| 关 键 词： | 煤 热解 氮 矿物质 |
| 修稿时间： | 2004-11-15 |
INFLUENCE OF INHERENT MINERALS ON NITROGEN RELEASE DURING COAL PYROLYSIS |
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| Chang Liping,Zhao Yahong. INFLUENCE OF INHERENT MINERALS ON NITROGEN RELEASE DURING COAL PYROLYSIS[J]. Coal Conversion, 2005, 28(2): 36-38 |
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| Authors: | Chang Liping Zhao Yahong |
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| Affiliation: | Chang Liping and Zhao Yahong * |
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| Abstract: | This paper involved the effect of inherent minerals on the release of HCN,NH_3 and distribution of nitrogen during three coal pyrolysis.Pyrolysis was carried out in a fixed bed reactor at atmospheric atmosophere.Results show that not only the yield of NH_3 from demineralized coal is less than that from raw coal in different coal type during pyrolysis,but also it changes with ash matter in coal;HCN formation is affected by inherent minerals,coal rank is also one of key factors which affects HCN formation;inherent minerals also affects obviously nitrogen distribution. |
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| Keywords: | coal pyrolysis nitrogen minerals |
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