|本期目录/Table of Contents|

[1]李刘军,赵保卫,刘辉,等.热解温度对玉米秸秆生物炭稳定性的影响[J].江苏农业科学,2020,48(09):258-262.
 Li Liujun,et al.Effect of pyrolysis temperature on stability of corn straw biochar[J].Jiangsu Agricultural Sciences,2020,48(09):258-262.
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热解温度对玉米秸秆生物炭稳定性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第09期
页码:
258-262
栏目:
农业工程与信息技术
出版日期:
2020-05-05

文章信息/Info

Title:
Effect of pyrolysis temperature on stability of corn straw biochar
作者:
李刘军 赵保卫 刘辉 张鑫 赵越
兰州交通大学环境与市政工程学院,甘肃兰州 730070
Author(s):
Li Liujunet al
关键词:
热解温度玉米秸秆生物炭化学氧化稳定性
Keywords:
-
分类号:
X712
DOI:
-
文献标志码:
A
摘要:
为了探究热解温度对生物炭稳定性的影响,选用玉米秸秆作为生物质原料,分别在300、500、700 ℃条件下热解制备生物炭。利用元素分析仪、傅里叶变换红外光谱(FTIR)和热重分析仪(TGA)表征生物炭的结构和性质,采用H2O2和K2Cr2O7氧化法测定生物炭的抗氧化能力。结果表明,生物炭的C含量随热解温度的升高而增加,H和O含量以及H/C和O/C之比则随热解温度的升高而降低,说明了生物炭的芳香化程度增加,稳定性增强。FTIR结果表明,随着热解温度的升高,生物炭中的—OH、C—O—C和—CH等不稳定性集团减少甚至消失。TGA分析表明,随着热解温度的增加,生物炭质量损失由42.9%降低至14.67%,其700 ℃制备生物炭热稳定性最强。H2O2和K2Cr2O7抗氧化结果表明,500 ℃条件下制备的生物炭的碳损失量最低,分别为7.19%和6.02%,其抗氧化能力最强。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2019-05-16
基金项目:国家自然科学基金(编号:5176608、21467013、21167007)。
作者简介:李刘军(1993—),男,甘肃陇南人,硕士,主要从事环境污染与控制研究。E-mail:llj0217095@126.com。
通信作者:赵保卫,博士,教授,博士生导师,主要从事环境污染与控制研究。E-mail:baoweizhao@mail.lzjtu.cn。
更新日期/Last Update: 2020-05-05