注册 English

低阶煤中含氧官能团分布的研究

周剑林 ,  王永刚 ,  黄鑫 ,  张书 ,  林雄超

downloadPDF
引用本文: 周剑林, 王永刚, 黄鑫, 张书, 林雄超. 低阶煤中含氧官能团分布的研究[J]. 燃料化学学报, 2013, 41(2): 134-138. shu
Citation:  ZHOU Jian-lin, WANG Yong-gang, HUANG Xin, ZHANG Shu, LIN Xiong-chao. Determination of O-containing functional groups distribution in low-rank coals by chemical titration[J]. Journal of Fuel Chemistry and Technology, 2013, 41(2): 134-138. shu

低阶煤中含氧官能团分布的研究

    通讯作者: 王永刚(1960-),男,教授,主要研究方向为煤化学及煤的转化利用。Tel:010-62339882,E-mail:wyg1960@126.com。
  • 基金项目:

    国家自然科学基金(21076222)。 (21076222)

摘要: 采用化学法测定了四种典型中国低阶煤中羧基、醇羟基、酚羟基、甲氧基和羰基含氧官能团。其中,羧基的定量分析采用醋酸钙溶液和pH值为8.3的缓冲溶液进行,分析了测定条件对羧基和酸性含氧官能团测定结果的影响。结果表明,在N2气氛下比空气条件下测定羧基含量准确,褐煤中羧酸根的主要存在形式为羧酸盐,酸洗后煤样中酚羟基的测定值随着离子交换溶液pH值的增加而增大;褐煤中的含氧官能团主要是羧基和羟基,分别占总氧量的34.49%和34.79%;在不同低阶煤中存在不同含量的羰基,甲氧基含量较小。

English

  • 

    1. [1] LI C Z, SATHE C, KERSHAW J R, PANG Y. Fates and roles of alkali and alkaline earth metals during the pyrolysis of a Victorian brown coal[J]. Fuel, 2000, 79(3/4): 427-438.[1] LI C Z, SATHE C, KERSHAW J R, PANG Y. Fates and roles of alkali and alkaline earth metals during the pyrolysis of a Victorian brown coal[J]. Fuel, 2000, 79(3/4): 427-438.

    2. [2] PORTAL J M, PILLON P, JEANSON P, GERARD B. Oxygen-containing functional groups in land-derived humic acids:l Evaluation by derivatization methods[J]. Org Geochem, 1986, 9(6): 305-311.[2] PORTAL J M, PILLON P, JEANSON P, GERARD B. Oxygen-containing functional groups in land-derived humic acids:l Evaluation by derivatization methods[J]. Org Geochem, 1986, 9(6): 305-311.

    3. [3] SCHAFER H N S. Determination of the total acidity of low-rank coals[J]. Fuel, 1970, 49(3): 271-280.[3] SCHAFER H N S. Determination of the total acidity of low-rank coals[J]. Fuel, 1970, 49(3): 271-280.

    4. [4] SCHAFER H N S, WORNAT M J. Determination of carboxyl groups in Yallourn brown coal [J]. Fuel, 1990, 69(11): 1456-1458.[4] SCHAFER H N S, WORNAT M J. Determination of carboxyl groups in Yallourn brown coal [J]. Fuel, 1990, 69(11): 1456-1458.

    5. [5] SCHAFER H N S. Determination of carboxyl groups in low-rank coals[J]. Fuel, 1984, 63(5): 723-726.[5] SCHAFER H N S. Determination of carboxyl groups in low-rank coals[J]. Fuel, 1984, 63(5): 723-726.

    6. [6] MURATA S, HOSOKAWA M, KIDENA K, NOMURA M. Analysis of oxygen-functional groups in brown coals[J]. Fuel Process Technol, 2000, 67(3): 231-243.[6] MURATA S, HOSOKAWA M, KIDENA K, NOMURA M. Analysis of oxygen-functional groups in brown coals[J]. Fuel Process Technol, 2000, 67(3): 231-243.

    7. [7] KELEMEN S R, AFEWOK M, GORBATY M L, COHEN A D. Characterization of organically bound oxygen forms in lignites, peats, and pyrolyzed peats by X-ray photoelectron spectroscopy (XPS) and solid-state 13CNMR methods[J]. Energy Fuels, 2002, 16(6): 1450-1462.[7] KELEMEN S R, AFEWOK M, GORBATY M L, COHEN A D. Characterization of organically bound oxygen forms in lignites, peats, and pyrolyzed peats by X-ray photoelectron spectroscopy (XPS) and solid-state 13CNMR methods[J]. Energy Fuels, 2002, 16(6): 1450-1462.

    8. [8] KOZLOWSKI M. XPS study of reductively and non-reductively modified coals[J]. Fuel, 2004, 83(3): 259-265.[8] KOZLOWSKI M. XPS study of reductively and non-reductively modified coals[J]. Fuel, 2004, 83(3): 259-265.

    9. [9] MAO J D,HU W G,SCHMIDT R K,DAVIES G,GHABBOUR E A,XING B. Quantitative characterization of humic substances by solid-state carbon-13 nuclear magnetic resonance[J]. Soil Sci Soc Am J, 2000, 64(3): 873-884.[9] MAO J D,HU W G,SCHMIDT R K,DAVIES G,GHABBOUR E A,XING B. Quantitative characterization of humic substances by solid-state carbon-13 nuclear magnetic resonance[J]. Soil Sci Soc Am J, 2000, 64(3): 873-884.

    10. [10] 张蓬洲, 李丽云, 叶朝辉. 用固体高分辨核磁共振研究煤结构[J]. 燃料化学学报, 1993, 21(3): 310- 316. (ZHANG Peng-zhou, LI Li-yun, YE Chao-hui. Solid state 13C-NMR study of Chinese coals[J]. Journal of Fuel Chemistry and Technology, 1993, 21(3): 310- 316.)[10] 张蓬洲, 李丽云, 叶朝辉. 用固体高分辨核磁共振研究煤结构[J]. 燃料化学学报, 1993, 21(3): 310- 316. (ZHANG Peng-zhou, LI Li-yun, YE Chao-hui. Solid state 13C-NMR study of Chinese coals[J]. Journal of Fuel Chemistry and Technology, 1993, 21(3): 310- 316.)

    11. [11] 罗陨飞, 李文华, 陈亚飞. 中低变质程度煤显微组分结构的 13C-NMR 研究[J]. 燃料化学学报, 2005, 33( 5): 540- 543. ( LUO Yun- fei, LI Wen- hua, CHEN Ya- fei. 13C- NMR analysis on different macerals of several low- to medium-rank coals[J]. Journal of Fuel Chemistry and Technology, 2005, 33(5): 540- 543.)[11] 罗陨飞, 李文华, 陈亚飞. 中低变质程度煤显微组分结构的 13C-NMR 研究[J]. 燃料化学学报, 2005, 33( 5): 540- 543. ( LUO Yun- fei, LI Wen- hua, CHEN Ya- fei. 13C- NMR analysis on different macerals of several low- to medium-rank coals[J]. Journal of Fuel Chemistry and Technology, 2005, 33(5): 540- 543.)

    12. [12] 贾建波, 曾凡桂, 孙蓓蕾. 神东2-2煤镜质组大分子结构模型 13C- NMR 谱的构建与修[J]. 燃料化学学报, 2011, 39(9): 652-656. (JIA Jian- bo, ZENG Fan- gui, SUN Bei- lei.Construction and modification of macromolecular structure model for vitrinite from Shendong 2-2 coal[J]. Journal of Fuel Chemistry and Technology, 2011, 39(9): 652-656.)[12] 贾建波, 曾凡桂, 孙蓓蕾. 神东2-2煤镜质组大分子结构模型 13C- NMR 谱的构建与修[J]. 燃料化学学报, 2011, 39(9): 652-656. (JIA Jian- bo, ZENG Fan- gui, SUN Bei- lei.Construction and modification of macromolecular structure model for vitrinite from Shendong 2-2 coal[J]. Journal of Fuel Chemistry and Technology, 2011, 39(9): 652-656.)

    13. [13] 王丽, 张蓬洲, 郑敏. 用固体核磁共振和电子能谱研究我国高硫煤的结构[J]. 燃料化学学报, 1996, 24( 6): 539- 543. ( WANG Li, ZHANG Peng- zhou, ZHENG Min. Study on structural characterization of three Chinese coals of high organic sulphur content using XPS and solid-state NMR spectroscopy[J].Journal of Fuel Chemistry and Technology, 1996, 24(6): 539-543.)[13] 王丽, 张蓬洲, 郑敏. 用固体核磁共振和电子能谱研究我国高硫煤的结构[J]. 燃料化学学报, 1996, 24( 6): 539- 543. ( WANG Li, ZHANG Peng- zhou, ZHENG Min. Study on structural characterization of three Chinese coals of high organic sulphur content using XPS and solid-state NMR spectroscopy[J].Journal of Fuel Chemistry and Technology, 1996, 24(6): 539-543.)

    14. [14] HAYASHI J I, TAKAHASHI H, DOI S, KUMAGAI H, CHIBA T. Reactions in brown coal pyrolysis responsible for heating rate effect on tar yield[J]. Energy Fuels, 2000, 14(2): 400-408.[14] HAYASHI J I, TAKAHASHI H, DOI S, KUMAGAI H, CHIBA T. Reactions in brown coal pyrolysis responsible for heating rate effect on tar yield[J]. Energy Fuels, 2000, 14(2): 400-408.

    15. [15] ALLARDIC D J, CLEMOW L M, JACKSON W R. Determination of the acid distribution and total acidity of low-rank coals and coal-derived materials by an improved barium exchange technique[J]. Fuel, 2003, 82(1): 35-40.[15] ALLARDIC D J, CLEMOW L M, JACKSON W R. Determination of the acid distribution and total acidity of low-rank coals and coal-derived materials by an improved barium exchange technique[J]. Fuel, 2003, 82(1): 35-40.

    16. [16] USP29–NF24Page 2575, Methoxy determination[S].[16] USP29–NF24Page 2575, Methoxy determination[S].

    17. [17] 郭崇涛. 煤化学[M]. 北京: 化学工业出版社, 1999. ( GUO Chong-tao. Coal chemistry[M].Beijing: Chemical Industry Press, 1999.)[17] 郭崇涛. 煤化学[M]. 北京: 化学工业出版社, 1999. ( GUO Chong-tao. Coal chemistry[M].Beijing: Chemical Industry Press, 1999.)

    18. [18] GB/T 19227—2008, 煤中氮的测定方法[S]. (GB/T 19227—2008, Method for the determination of nitrogen in coal[S].)[18] GB/T 19227—2008, 煤中氮的测定方法[S]. (GB/T 19227—2008, Method for the determination of nitrogen in coal[S].)

    19. [19] KIM Y S, YANG S J, KIM S W, LIM H J, KIM T, PARK C R.Critical revisit to Boehm titration method for CNT surface characterization//2011, Annual World Conference on Carbon 2011: 580-581.[19] KIM Y S, YANG S J, KIM S W, LIM H J, KIM T, PARK C R.Critical revisit to Boehm titration method for CNT surface characterization//2011, Annual World Conference on Carbon 2011: 580-581.

  • 加载中
WeChat 扫一扫看文章
计量
  • PDF下载量:  664
  • 文章访问数:  2311
  • HTML全文浏览量:  218
文章相关
  • 收稿日期:  2012-09-11
  • 网络出版日期:  2012-12-01
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

/

返回文章

All Rights Reserved by the Chinese Chemical Society   中国化学会 版权所有 京ICP备05002797号

本系统由北京仁和汇智信息技术有限公司开发    技术支持: info@rhhz.net