搜索结果: 1-15 共查到“知识库 工学 CO2”相关记录793条 . 查询时间(0.342 秒)
Rosin-based porous heterogeneous catalyst functionalized with hydroxyl groups and triazole groups for CO2?chemical conversion under atmospheric pressure condition
Rosin-based porous polymers CO2 Cyclic carbonates Atmospheric pressure
2023/12/15
Development of efficient, green and recyclable?heterogeneous catalysts?for the chemical conversion of CO2?into cyclic carbonates with excellent yields under atmospheric pressure condition is still a v...
Pillar[5]arene-Derived Microporous Polyaminal Networks with Enhanced Uptake Performance for CO2 and Iodine
Pillar[5]arene-Derived Microporous Polyaminal Networks CO2 Iodine
2023/6/21
A new nitrogen-rich microporous polymer (PAN-FPP5) containing pillar[5]arene macrocycles was fabricated via facile polycondensation between pillar[5]arene-based monomer (FPP5) bearing two aldehyde moi...
Molecular simulation and optimization on the microporous structure in carbon molecular sieve membrane for CO2/CH4 separation
Carbon molecular sieve membrane Gas separation Molecular simulation Pore size Structure optimization
2023/6/19
Zigzag-type pore model with a modified structure was proposed to evaluate the effect of micropore structure on the gas separation performance of carbon molecular sieve membranes (CMSM). Molecular simu...
Facile preparation of bi-functional iron doped mesoporous materials and their application in the cycloaddition of CO2
Mesoporous material Cationic polymers Acid-base catalyst Cycloaddition reaction Cyclic carbonate
2023/6/19
Two kinds of bi-functional transition metal doped mesoporous materials (Fe-HMS and Fe-MCM-41) are prepared using one-step hydrothermal method and then treated with hydrochloric acid ethanol solution. ...
通过开展Super304H及Inconel625合金的高温CO2腐蚀试验，并结合氧化增重法、扫描电镜观察及XRD分析，研究了两种耐热合金在750℃CO2掺杂SO2环境中的腐蚀行为。结果表明，两种合金在750℃CO2、750℃CO2+SO2环境中的腐蚀动力学均遵循抛物线规律，Inconel625抗腐蚀能力优于Super304H，具有较少的腐蚀增重；Super304H在750℃CO2腐蚀初期增重高于C...
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：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：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...
弯曲型微通道吸收CO2/N2混合气的传质性能
弯曲型 微通道 CO2/N2 混合气
2023/3/1
Gas-liquid two-phase flow and mass transfer characteristics of CO2/N2 mixture absorption in a T-junction meandering- microchannel was experimentally investigated. The gas mixture was composed of 5% CO...
基于微吸收器的CO2吸收过程研究进展
微吸收器 CO2 吸收过程 马学虎
2023/3/1
Micro chemical technology has received extensive attention in many fields,such as fluid flow, process intensification,mass transfer and bio/chemical reaction processes. In this paper,hydrodynamic char...
NEE：林线树轮生长持续增加主要得益于大气CO2升高的施肥效应（图）
林线树轮生长 持续增加 大气CO2升高 施肥效应
2023/1/16
大气CO2浓度持续增加，一方面会导致全球气候变暖，另一方面可通过增强植物光合作用，提高陆地植被系统吸收大气CO2的能力（大气CO2施肥效应），从而对全球变暖产生负反馈作用。由于大气CO2增加与气温升高的高度同步性，目前仍缺乏有效数据支撑研究对植被生长的相对影响及相关机制。另外，自然生态系统普遍缺氮，尤其在森林生态系统中，大气CO2浓度持续升高将不断加剧植物生长的氮限制，抑制大气CO2升高的施肥效应...
胺、氟共官能化MIL-101(Cr)用于潮湿环境中捕获CO2（图）
官能化 MIL-101(Cr) 捕获CO2 潮湿环境
2022/6/15
CO2排放总量中，工业和火力发电所产生的碳排放占到45%，因此燃后脱碳对碳减排来说至关重要。燃后尾气中一般伴随着大量水蒸汽，因此开发憎水性CO2吸附剂是非常有必要的。近日，韩国化学技术研究所Hwang Lee研究团队开发了一种通过混合配体合成胺和氟共官能化MIL-101(Cr)吸附剂，可用于潮湿环境中捕集CO2。
韩布兴院士最新综述：CO2电化学转化为高值化学品和燃料
CO2电化学转化 高值化学品 燃料
2022/6/15
CO2既是温室气体，也是一种可再生碳资源。将CO2转化为高值化学品和燃料是目前减少碳排放的主要途径之一。
Cu-Fe催化剂催化CO2常压加氢制长链烯烃（图）
Cu-Fe催化剂 CO2常压加氢 长链烯烃
2022/6/15
目前CO2加氢制长链烯烃基本是在高压条件下才能实现，近日，中国科学技术大学曾杰教授研究团队报道了一种Cu-Fe催化剂，可在常压下催化CO2转化为长链烯烃。