共热解过程中煤与生物质相互作用的研究进展

doi:10.16085/j.issn.1000-6613.2020-1725

化工进展 ›› 2021, Vol. 40 ›› Issue (7): 3693-3702.DOI: 10.16085/j.issn.1000-6613.2020-1725

共热解过程中煤与生物质相互作用的研究进展

张玉洁¹(), 王焦飞¹(), 白永辉¹, 宋旭东¹, 苏暐光¹, 于广锁¹^,²()

^1.宁夏大学化学化工学院，省部共建煤炭高效利用与绿色化工国家重点实验室，宁夏银川 750021
^2.华东理工大学洁净煤技术研究所，上海 200237

收稿日期:2020-08-28 修回日期:2020-09-16 出版日期:2021-07-06 发布日期:2021-07-19
通讯作者: 王焦飞,于广锁
作者简介:张玉洁（1997—），女，硕士研究生，研究方向为煤与生物质共热解。E-mail：zyj19972080@163.com。
基金资助:
宁夏重点研发项目（引才专项）(2019BEB04037);国家自然科学基金(21968024);宁夏重点研发计划重大项目(2019BCH01001)

Investigation progress on the interaction between coal and biomass during co-pyrolysis

ZHANG Yujie¹(), WANG Jiaofei¹(), BAI Yonghui¹, SONG Xudong¹, SU Weiguang¹, YU Guangsuo¹^,²()

^1.State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan 750021, Ningxia, China
^2.Institute of Clean Coal Technology, East China University of Science and Technology, Shanghai 200237, China

Received:2020-08-28 Revised:2020-09-16 Online:2021-07-06 Published:2021-07-19
Contact: WANG Jiaofei,YU Guangsuo

摘要/Abstract

摘要：

煤炭与生物质共热解是实现煤炭高效清洁利用的重要途径之一。共热解可改善煤炭单独热解产生的污染问题和生物质单独利用时能源密度低、季节性供应不平衡的问题，不仅能提高煤炭转化效率，还能获得更高品质油品。本文从煤与生物质共热解的影响因素、研究方法和共热解过程中组分间相互作用等方面出发，对近期国内外煤与生物质共热解的研究进行综述。总结了生物质种类、热解工艺参数和热解反应器的类型对煤与生物质共热解过程的影响规律以及煤与生物质在共热解过程中的相互作用过程，即半焦与挥发分间的相互作用、挥发分间的相互作用、生物质中碱金属对共热解的催化作用，并针对如何进一步认识煤与生物质相互作用机理、提高共热解效率等问题和发展方向作了展望。

关键词: 煤, 生物质, 共热解, 相互作用

Abstract:

Co-pyrolysis of coal and biomass is an important way to achieve efficient and clean utilization of coal. Co-pyrolysis can alleviate the pollution caused by coal pyrolysis and limit the disadvantages of low energy density and unbalanced seasonal supply during individual utilization of biomass, so that both of the efficiency of coal conversion and the oil quality are improved. This article reviews recent researches on co-pyrolysis of coal and biomass from the aspects of influencing factors, research methods and the interaction of components during co-pyrolysis process. The effects of biomass types, pyrolysis process parameters and pyrolysis reactor types on the co-pyrolysis process of coal and biomass are summarized, while the interaction between coal and biomass and the catalysis of alkali in volatile matter are also pointed out. Furthermore, development directions to further understand the interaction mechanism between coal and biomass, and improve the efficiency of co-pyrolysis are discussed.

Key words: coal, biomass, co-pyrolysis, interaction

中图分类号:

TQ536.9

张玉洁, 王焦飞, 白永辉, 宋旭东, 苏暐光, 于广锁. 共热解过程中煤与生物质相互作用的研究进展[J]. 化工进展, 2021, 40(7): 3693-3702.

ZHANG Yujie, WANG Jiaofei, BAI Yonghui, SONG Xudong, SU Weiguang, YU Guangsuo. Investigation progress on the interaction between coal and biomass during co-pyrolysis[J]. Chemical Industry and Engineering Progress, 2021, 40(7): 3693-3702.

图/表 6

图1 混合比对主要产品类别和液体馏分分布的影响[13]（所示数值为三次运行的平均值，误差条表示运行之间的标准偏差）

图2 对松树热解过程中产生的油进行开柱分离（插入）后的GC-MS（气相色谱-质谱）[22]

图3 褐煤在丝网反应器和流化床/固定床反应器中热解过程中[29]

图4 热重分析仪（TGA）测定的400℃下空气中煤焦的反应性[39]

图5 热重坩埚结构设计示意图[49]

图6 实验样品排列示意图[40]

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共热解过程中煤与生物质相互作用的研究进展

Investigation progress on the interaction between coal and biomass during co-pyrolysis

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