热解工艺对木醋液制备及性质的影响

doi:10.3969/j.issn.0253-2417.2018.05.009

林产化学与工业 ›› 2018, Vol. 38 ›› Issue (5): 61-69.doi: 10.3969/j.issn.0253-2417.2018.05.009

热解工艺对木醋液制备及性质的影响

卢辛成, 蒋剑春, 孙康, 孙云娟

中国林业科学研究院林产化学工业研究所;生物质化学利用国家工程实验室;国家林业局林产化学工程重点开发性实验室;江苏省生物质能源与材料重点实验室, 江苏南京 210042

收稿日期:2018-06-06 出版日期:2018-10-25 发布日期:2018-11-06
通讯作者: 蒋剑春,研究员,博士,博士生导师,主要从事生物质能源和炭材料的研究开发工作;E-mail:bio-energy@163.com。 E-mail:bio-energy@163.com
作者简介:卢辛成(1985-),男,内蒙古包头人,助理研究员,博士生,研究方向为炭材料制备与应用;E-mail:xinze1983@163.com
基金资助:
中国林科院中央级公益性科研院所基本科研业务费专项资金（CAFYBB2018SY029）；江苏省生物质能源与材料重点实验室基本科研业务费项目（JSBEM-S-201606）

Influence of Pyrolysis Parameters on Properties of Pyrolyzed Wood Vinegar

LU Xincheng, JIANG Jianchun, SUN Kang, SUN Yunjuan

Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab. for Biomass Chemical Utilization;Key and Open Lab. of Forest Chemical Engineering, SFA;Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China

Received:2018-06-06 Online:2018-10-25 Published:2018-11-06

摘要/Abstract

摘要： 以杉木屑为原料，在固定床反应器上探讨了热解条件对杉木屑制备木醋液及其性质的影响，结果表明：热解温度是主要影响因素，在热解温度450℃、升温速率10℃/min、氮气流量100mL/min的热解工艺下，粗木醋液产率可达57.13%，精制醋液产率可达38.20%。杉木屑热解制备得到的木醋液的6类主要化学成分中，酸类和酚类物质为主要成分，约占总含量的2/3，其次是醇类、酮类和醛类，酯类含量较少。热解工艺条件对木醋液的组成和含量有显著影响，热解温度影响酸类、酚类和醇类含量，升温速率影响酸类和醇类含量，氮气流量影响酚类和醇类含量，酮类、醛类和酯类含量基本不受影响。

关键词: 杉木屑, 热解, 木醋液, 有机组分

Abstract: The pyrolysis of Chinese fir sawdust in fixed bed was investigated. The influence of pyrolysis conditions (such as pyrolysis temperature, heating rate and flow rate of nitrogen) on properties of wood vinegar was discussed. The results showed that pyrolysis temperature was the main factor that effected the preparation and properties of wood vinegar. The yield of wood vinegar and refined wood vinegar were 57.13% and 38.20% under the pyrolysis conditions of pyrolysis temperature 450℃, heating rate 10℃/min and N₂ flow 100 mL/min. Acids and phenols were the primary components in wood vinegar which occupied about 2/3 of total content. Organic component of wood vinegar was obviously effectedby pyrolysis conditions, pyrolysis temperature effected the content of acids,phenols and alcohols, heating rate effected the content of acids and alcohols, the flow rate of nitrogen effected the content of phenols and alcohols, the contents of aldehydes, ketones and esters were almost not effected by conditions.

Key words: Chinese fir sawdust, pyrolysis, wood vinegar, organic component

中图分类号:

TQ35

卢辛成, 蒋剑春, 孙康, 孙云娟. 热解工艺对木醋液制备及性质的影响[J]. 林产化学与工业, 2018, 38(5): 61-69.

LU Xincheng, JIANG Jianchun, SUN Kang, SUN Yunjuan. Influence of Pyrolysis Parameters on Properties of Pyrolyzed Wood Vinegar[J]. Chemistry and Industry of Forest Products, 2018, 38(5): 61-69.

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热解工艺对木醋液制备及性质的影响

Influence of Pyrolysis Parameters on Properties of Pyrolyzed Wood Vinegar

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