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2023年4月26日,中国科学院海洋研究所张鑫课题组基于共聚焦显微拉曼技术和毛细管高压透明腔(HPOC)构建了高温高压实验显微模拟装置(图1),开展了高温高压(50-450oC,50-400 bar)下高纯13CO2、12CO2及其混合物的拉曼光谱特征研究,建立了适用于高温高压环境的CO2碳同位素的拉曼光谱原位定量分析方法,相关成果近日在国际光谱学期刊《Spectrochimica Acta Pa...
MIT engineers devise technology to prevent fouling in photobioreactors for CO2 capture(图)
光生物反应器 结垢 二氧化碳捕获
2023/6/5
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...
NPJ: CO2移除增加印度夏季干旱的风险(图)
CO2移除 印度 夏季干旱
2023/3/8