化工学报2017,Vol.68Issue(1):360-368,9.DOI:10.11949/j.issn.0438-1157.20160789
抗生素菌渣与煤混合燃烧特性及其动力学分析
Co-combustion characteristics and kinetic analysis of antibiotic bacterial residue and coal
摘要
Abstract
The combustion characteristics of antibiotics bacterial residue, coal and both blends were investigated using thermogravimetry-differential scanning calorimetry (TG-DSC), and the kinetic parameters of co-combustion was determined by Coats-Redfern method. The influence of bacterial residue blending ratio and particle size on combustion process was analyzed, and the possibility of co-combustion with coal and the advantages of superfine combustion were clarified. The results showed that co-combustion of antibiotic bacterial residue and coal mainly consisted of three stages, and adding bacterial residue can significantly improve the combustion characteristics of coal. With increasing bacterial residue blending ratio, the ignition temperature and burnout temperature decreased. Burnout characteristics index of superfine co-combustion and non-superfine co-combustion reached the maximum value at the bacterial residue blending ratio of 30%, which is 5.82×10−3 and 5.49×10−3, respectively. The activation energy of superfine co-combustion was lower than that of non-superfine co-combustion, indicating that the superfine combustion was beneficial to reduce the activation energy. There existed kinetic compensation effect on the activation energy E and the pre-exponential factor A of the superfine co-combustion and non-superfine co-combustion.关键词
菌渣/煤/混合燃烧/动力学/超细/非超细Key words
antibiotic residue/coal/co-combustion/kinetic/superfine/non-superfine分类
资源环境引用本文复制引用
洪晨,杨强,王志强,邢奕,沈茜,李益飞,贾蒙蒙,冯丽慧..抗生素菌渣与煤混合燃烧特性及其动力学分析[J].化工学报,2017,68(1):360-368,9.基金项目
国家自然科学基金项目(51508553);科技北京百名领军人才培养工程资助项目( LJ201620);中国博士后科学基金项目(2016M591266)。 ()