搜索结果: 136-150 共查到“知识库 化学工程”相关记录10513条 . 查询时间(1.578 秒)
近日,中南大学物理与电子学院刘敏教授、北京航空航天大学孙轶斐教授和慕尼黑大学Emiliano Corté在国际顶级刊物《先进材料》(Advanced Materials)上发表了题为“不对称配位Ca位点诱导电子局域化电还原CO2为C0(Asymmetric Coordination Induces Electron Localization at Ca Sites for Robust CO2 E...
郭新闻论文成果:The template-assisted zinc ion incorporation in SAPO-34 and the enhanced ethylene selectivity in MTO reaction
SAPO-34 Metal modification MTO Product selectivity Ethylene
2023/3/6
The SAPO-34 catalyst was fine-tuned with zinc cations through a straightforward template-assisted ion incorporation (TII) process, without the necessary template pre-removal and the preparation of NH4...
郭新闻论文成果:Organic acid-assisted preparation of highly dispersed Co/ZrO2 catalysts with superior activity for CO2 methanation
CO2 methanation Cobalt catalyst ZrO2 Organic acid High dispersion
2023/3/6
Various organic acids were investigated for preparing the highly dispersed cobalt catalysts on zirconia support, Co/ZrO2, by an acid-assisted incipient wetness impregnation. The organic acid-assisted ...
郭新闻论文成果:Self-Assembly of Mn(II)-Annidoximated PAN Polymeric Beads Complex as Reusable Catalysts for Efficient and Stable Heterogeneous Electro-Fenton Oxidation
heterogeneous electro-Fenton porous polymeric frameworks phase inversion postsynthetic grafting strong metal-support interaction
2023/3/6
A facile postsynthetic amidoxime modification method was reported on the preparation of transition-metal ions (Mn, Fe, and Co)-polyacrylonitrile (PAN) polymeric beads complex as reusable catalysts for...
郭新闻论文成果:新形势下工程硕士研究生课程建设的几点思考
郭新闻 大连理工大学 期刊论文
2023/3/6
当今社会急需具有工程创新能力的高水平应用型人才,因此关于工程硕士专业学位教育的研究受到人们越来越多的关注.针对工程硕士的特点及传统课程教学存在的一些问题,文章以化学工程领域的核心课程高等分离工程为例,提出了相应的解决方案,希望借此推动工程硕士的课程建设,提高工程硕士研究生培养的整体水平。
郭新闻论文成果:A combined experimental and DFT study of H2O effect on In2O3/ZrO2 catalyst for CO2 hydrogenation to methanol
CO2 hydrogenation Methanol In2O3/ZrO2 catalyst Water effect Oxygen vacancies Density functional theory (DFT) Reaction mechanisms
2023/3/6
CO2 hydrogenation with renewable energy is one of the promising approaches to mitigate CO2 emissions and produce sustainable chemicals and fuels. The effect of adding H2O in the feed gas on the activi...
郭新闻论文成果:Computational and experimental identification of strong synergy of the Fe/ZnO catalyst in promoting acetic acid synthesis from CH4 and CO2
郭新闻 期刊论文 DFT Fe/ZnO
2023/3/6
DFT calculations have identified reaction pathways for acetic acid synthesis from CO2 and CH4 on ZnO, Cu/ZnO and Fe/ZnO surfaces. Fe/ZnO exhibits strong synergy in facilitating CH4 activation, dissoci...
采用水热法晶化得到纳米板状孪晶型HZSM-5,通过NaOH或TPAOH处理调变ZSM-5的孔结构.结果 表明,NaOH处理将贯通的介孔结构引入微孔ZSM-5中,而TPAOH处理得到多空腔结构,空腔通过微孔与外界连通.对具有不同孔结构的ZSM-5进行Zn改性,并用于甲醇制芳烃反应.通过XRD、SEM、TEM和氩气物理吸附分析不同样品的结构;利用NH3-TPD测定不同样品的酸量;通过XPS分析不同样品...
采用水热合成法制备大晶粒ZSM-5分子筛.通过调节碱处理过程中碱种类和处理时间得到一系列多级孔ZSM-5催化剂,考察了催化剂在甲苯与甲醇择形烷基化反应中的催化性能,及不同孔结构对甲苯转化率和对二甲苯选择性的影响.结果 表明,采用0.2 mol/L四丙基氢氧化铵(TPAOH)溶液在65℃处理30 min得到的催化剂的反应性能优于其他处理方法得到的ZSM-5催化剂.该催化剂在未经后续改性的前提下连续运...
郭新闻论文成果:Defect-Enriched N,O-Codoped Nanodiamond/Carbon Nanotube Catalysts for Styrene Production via Dehydrogenation of Ethylbenzene
nanodiamond/carbon nanotube hybrid nitrogen and oxygen codoping structural defect direct dehydrogenation styrene production
2023/3/6
Owing to the unique structure and enriched surface ketonic carbonyl group, nanodiamond (ND) shows excellent catalytic performance for dehydrogenation reaction. However, the agglomeration of predispers...
科研项目:面向天然气提氦的高性能ZIF-67混合基质膜精确构筑及工业化基础。
科研项目:膜分离回收炼化及乙烯低压火炬气中氢气技术开发及工艺包编制。