CaO对大豆蛋白热解特性及NH3等含氮化合物释放的影响

doi:10.16085/j.issn.1000-6613.2016.07.045

化工进展 ›› 2016, Vol. 35 ›› Issue (07): 2263-2267.DOI: 10.16085/j.issn.1000-6613.2016.07.045

CaO对大豆蛋白热解特性及NH₃等含氮化合物释放的影响

沈洪浩^1,2, 金晶^1,2, 林郁郁^1,2, 郭明山^1,2, 侯封校^1,2, 李尚^1,2

1. 上海理工大学能源与动力工程学院, 上海 200093;
2. 上海理工大学协同创新研究院, 上海 200093

收稿日期:2015-11-03 修回日期:2016-01-19 出版日期:2016-07-05 发布日期:2016-07-05
通讯作者: 金晶,教授,博士生导师,主要从事清洁燃烧和污染物排放控制的研究。E-mail:alicejin001@163.com;林郁郁,讲师,主要从事生物质热解的研究。E-mail:linyuyu88@126.com
作者简介:沈洪浩(1991-),男,硕士研究生。主要从事清洁燃烧的研究。E-mail:shenhonghao@outlook.com。
基金资助:
上海市基础研究重点项目(14JC1404800)、国家自然科学基金(51506128)及国家科技支撑计划(2015BAA04B03)项目。

Influence of CaO on soybean protein pyrolysis characteristics and NH₃ and other nitrogenous compounds release

SHEN Honghao^1,2, JIN Jing^1,2, LIN Yuyu^1,2, GUO Mingshan^1,2, HOU Fengxiao^1,2, LI Shang^1,2

1. School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
2. Collaborative Innovation Research Institute, University of Shanghai for Science and Technology, Shanghai 200093, China

Received:2015-11-03 Revised:2016-01-19 Online:2016-07-05 Published:2016-07-05

摘要/Abstract

摘要： 利用热重-质谱联用技术研究CaO对大豆蛋白热解特性及NH₃等含氮化合物释放的影响,根据TG与DTG曲线求出不同CaO含量的大豆蛋白在热解过程中的挥发分指数D。结果表明:随着CaO含量的增加,大豆蛋白的挥发分释放剧烈程度不断下降,但是未对热失重速率峰值对应温度产生影响;CaO的加入会抑制大豆蛋白热解挥发分的析出,且CaO的含量越多,抑制效果越强;在CaO与大豆蛋白质量比为0:10、1:10、2:10、3:10、4:10和5:10六种工况下,CaO对NH₃等含氮化合物释放的影响为抑制作用,且在CaO与大豆蛋白比为4:10时抑制效果达到最好。

关键词: 大豆蛋白, 热解, 氧化钙, 热重-质谱联用

Abstract: The influence of CaO on soybean protein pyrolysis characteristics and NH₃ and other nitrogenous compounds release regularity was investigated by TG-MS. The devolatilization index D of soybean protein with different CaO content was computed by TG and DTG curves of pyrolysis process. The results indicated that: with the increase of CaO, the release of soybean protein volatile kept falling, but that did not affect the DTG peak temperature. The addition of CaO can inhibit the generation of the volatile components from soybean protein, and the more the CaO content, the stronger the inhibitory effect. When the ratio of CaO to soybean protein was 0:10, 1:10, 2:10, 3:10, 4:10 and 5:10, CaO all showed inhibitory effect on the NH₃ and other nitrogenous compounds release, and the best inhibitory result was observed at the ratio of 4:10.

Key words: soybean protein, pyrolysis, calciwm oxide, TG-MS

中图分类号:

TK6
TK121

沈洪浩, 金晶, 林郁郁, 郭明山, 侯封校, 李尚. CaO对大豆蛋白热解特性及NH₃等含氮化合物释放的影响[J]. 化工进展, 2016, 35(07): 2263-2267.

SHEN Honghao, JIN Jing, LIN Yuyu, GUO Mingshan, HOU Fengxiao, LI Shang. Influence of CaO on soybean protein pyrolysis characteristics and NH₃ and other nitrogenous compounds release [J]. Chemical Industry and Engineering Progree, 2016, 35(07): 2263-2267.

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CaO对大豆蛋白热解特性及NH₃等含氮化合物释放的影响

Influence of CaO on soybean protein pyrolysis characteristics and NH₃ and other nitrogenous compounds release

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