微波加热条件下ZnNi/HZSM-5催化剂上烷烃的芳构化反应

来源 :催化学报 | 被引量 : 0次 | 上传用户:mllx03
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The aromatization of n hexane and mixed C 4 hydrocarbon was investigated under microwave heating over ZnNi/HZSM 5 catalyst of lower activity in order to compare with that under the conventional heating. For the n hexane aromatization, the selectivity for benzene and toluene by the microwave heating at 450 ℃ increases by 4% and 5%, respectively, and the aromatics yield by the microwave heating at 480℃ increases by 4% , compared with those by the conventional heating. For the mixed C 4 olefine aromatization, the BTX yield by the microwave heating at 400 ℃ increases by 17 08% and the aromatics selectivity is also higher than that by the conventional heating. The aromatization of n hexane and mixed C4 hydrocarbon was investigated under microwave heating over ZnNi / HZSM5 catalyst of lower activity in order to compare with that under the conventional heating. For the n hexane aromatization, the selectivity for benzene and toluene by the microwave heating at 450 ° C increases by 4% and 5%, respectively, and the aromatics yield by the microwave heating at 480 ° C increases by 4%, compared with those by the conventional heating. For the mixed C 4 olefine aromatization, the BTX yield by the microwave heating at 400 ° C increases by 17 08% and the aromatics selectivity is also higher than that by the conventional heating.
其他文献
考察了由硝酸镍 ,醋酸镍和氯化镍为前驱物制备的催化剂 (分别记为Ni N ,Ni Ac和Ni Cl)对催化甲烷部分氧化反应的影响 ,并结合TPR ,XRD和TG等手段对催化剂进行了表征 .结果表
什么是朗读呢?字典上的解释就是“清晰响亮地把文章念出来”。小学语文教学中的朗读显然不是这种简单意义上的“念”,而是运用普通话把书面语言清晰、响亮、富有感情地读出来,变
用溶剂化金属原子浸渍法制备了不同金含量的高分散Au/TiO2 催化剂 .XRD和TEM测定结果表明 ,随着金含量的增加 ,金颗粒度增大 ,但直径都在 1 8~ 3 5nm范围内 .XPS研究表明金处
兴趣是最好的老师,学生乐之才会学得好。在教学过程中,教师能否成功培养学生产生浓厚的学习兴趣,关系到教学质量的提高。这就决定在英语教学中,我们要很好地培养学生的学习兴趣,一
采用浸渍-还原法制备的Ni/MgO/Al2O3在CH4与CO2重整制合成气反应中显示出良好的催化性能和一定的抗积炭能力;在1 023 K下流动反应气氛中连续运转100 h,未见活性下降,CH4及CO2
对氨基苯酚(PAP)是一种重要的有机化工原料,广泛用于医药、染料、感光材料等有机合成工业[1,2],如用于合成扑热息痛、对苯二胺类防老剂,分散染料、硫化染料及酸性染料,也可用
诵读文言文是初中文言文教学的一项重要内容,然而在实际的文言文教学工作中,我们发现初中学生不大喜欢文言文,原因是文言文背诵篇目多,内容枯燥,再加上时代距离久远,文言语感差,大多
Bifunctional carbonylation catalysts were prepared by introducing both of acidic and metallic sites into zeolites, such as β, M and Y, by which tertiary butyl
俗语说,教学有法,教无定法,贵在得法。为了提高课堂教学效果,增强学生学习英语的兴趣,最大程度的发挥学生学习的主动性与积极性,要求教师要在课堂上开展各种富有交际性,娱乐性,创造性
语文课要能体现语文味;语文教师要有一套独具特色的绝活,让学生师信其道;语文教师要追求课堂教学语言的诗情画意;语文教师拥有深厚扎实的写作功底;语文教师要练就高超的朗诵技巧;语