检索结果-南通市图书馆

Effect of Doped Alkali Metal Ions on the SO_(2) Capture Performance of MnO_(2) Desulfurization Materials at Low Temperature

引用

Journal of Renewable Materials 2021年第9期9卷 1541-1553页

作者： Xing Li Yugo Osaka Hongyu Huang Takuya Tsujiguchi akio kodama Guangzhou Institute of Energy Conversion Chinese Academy of ScienceGuangzhou510640China School of Mechanical Engineering College of Science and EngineeringKanazawa UniversityKanazawa9201192Japan School of Mechanical and Power Engineering Nanjing Tech UniversityNanjing211800China

Sulfur dioxide(SO_(2))emissions from diesel exhaust pose a serious threat to the environment and human ***,desulfurization technology and the performance of desulfurization materials must be *** this study,MnO_(2) was modified with various alkali metal ions using the impregnation method to enhance its SO_(2) capture *** composites were characterized intensively by scanning electron microscopy,energydispersive X-ray spectroscopy,X-ray diffraction spectroscopy,and Brunauer-Emmett-Teller *** SO_(2) capture performance of these composites were measured via thermogravimetry,and the effect of doping with alkali metal ions on the SO_(2) capture performance of MnO_(2) was *** showed that the SO_(2) capture performance of MnO_(2) could be enhanced by doping with alkali metal ions,and the MnO_(2) composite doped with LiOH(2.0 mol/L)had the best SO_(2) capture capacity(124 mgSO_(2)/gMaterial),which was 18%higher than that of pure MnO_(2).Moreover,the type and concentration of alkali metal ions had varying effects on the SO_(2) capture performance of MnO_(2).In our experiment,the SO_(2) capture performance of the MnO_(2) doped with NaOH,LiCl,Na2CO3,K2CO3,and Li2CO3 composites were worse than that of pure MnO_(2).Therefore,the influences of the type and concentration of alkali metal ions to be doped into desulfurization materials must be considered comprehensively.

关键词： Sulfur dioxide capture desulfurization materials manganese dioxide alkali metal ions doped

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Depolymerization of Polyethylene Terephthalate in Supercritical Methanol

Depolymerization of Polyethylene Terephthalate in Supercriti...

引用

18th International Conference on High Pressure Science and Technology

作者： Motonobu Goto Hiroshi Koyamoto akio kodama Tsutomu Hirose Shoji Nagaoka Department of Applied Chemistry and Biochemistry Kumamoto UniversityKumamoto 860-8555 Japan Department of Applied Chemistry and Biochemistry Kumamoto UniversityKumamoto 860-8555 Japan Department of Applied Chemistry and Biochemistry Kumamoto UniversityKumamoto 860-8555 Japan Department of Applied Chemistry and Biochemistry Kumamoto UniversityKumamoto 860-8555 Japan Kumamoto Industrial Research Institute Kumamoto 862-0901 Japan

＜正＞ IntroductionPlastics are decomposed in supercritical fluids quicklyby solvolysis （e.g.,hydrolysis,alcoholysis） or *** polymers having ether linkage,ester linkage,sad acid amide linkage are easily decomposed to itsmonomers by solvolysis in supertritical water orsupercritical *** in supercritical water[1,2]or methanolysis in supercritical methanol [3-5]hasbeen studied for PET *** this wofk,weinvestigated the depolymerization of PET to its monomersin supercritical *** evolution of molecularweight distribution of polymer and oligomer was *** of the monomers and by-products producedin the reaction were measured as a function of reactiontime.

关键词： Supercritical methanol Polymer degradation PET

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：