In the context of carbon capture,utilization,and storage,the high-value utilization of carbon storage presents a significant challenge.To address this challenge,this study employed the bipolar membrane electrodialysis...In the context of carbon capture,utilization,and storage,the high-value utilization of carbon storage presents a significant challenge.To address this challenge,this study employed the bipolar membrane electrodialysis integrated with carbon utilization technology to prepare Na_(2)CO_(3)products using simulated seawater concentrate,achieving simultaneous saline wastewater utilization,carbon storage and high-value production of Na_(2)CO_(3).The effects of various factors,including concentration of simulated seawater concentrate,current density,CO_(2)aeration rate,and circulating flow rate of alkali chamber,on the quality of Na_(2)CO_(3)product,carbon sequestration rate,and energy consumption were investigated.Under the optimal condition,the CO_(3)^(2-)concentration in the alkaline chamber reached a maximum of 0.817 mol/L with 98 mol%purity.The resulting carbon fixation rate was 70.50%,with energy consumption for carbon sequestration and product production of 5.7 k Whr/m^(3)CO_(2)and1237.8 k Whr/ton Na_(2)CO_(3),respectively.This coupling design provides a triple-win outcome promoting waste reduction and efficient utilization of resources.展开更多
为提高氢能利用课程中氢气膜分离知识点的教学效果,使用MATLAB图形用户界面(graphical user interface,GUI)开发了氢气膜分离虚拟仿真实验平台。学生可自定义膜组件尺寸、物理参数等进行虚拟实验,计算得到氢气渗透总量和膜组件内氢气流...为提高氢能利用课程中氢气膜分离知识点的教学效果,使用MATLAB图形用户界面(graphical user interface,GUI)开发了氢气膜分离虚拟仿真实验平台。学生可自定义膜组件尺寸、物理参数等进行虚拟实验,计算得到氢气渗透总量和膜组件内氢气流率变化的曲线,直观地观察膜长度、渗透系数和压力等因素对氢气膜分离效果的影响作用。该虚拟仿真实验平台有助于学生对于氢气膜分离模型的理解,提升了教学质量。展开更多
基金supported by the Central Guidance on Local Science and Technology Development Fund of Hebei Province(No.226Z3102G)the Fundamental Research Funds of Hebei University of Technology(No.JBKYTD2001)the Science Research Project of Hebei Education Department(No.QN2022089)。
文摘In the context of carbon capture,utilization,and storage,the high-value utilization of carbon storage presents a significant challenge.To address this challenge,this study employed the bipolar membrane electrodialysis integrated with carbon utilization technology to prepare Na_(2)CO_(3)products using simulated seawater concentrate,achieving simultaneous saline wastewater utilization,carbon storage and high-value production of Na_(2)CO_(3).The effects of various factors,including concentration of simulated seawater concentrate,current density,CO_(2)aeration rate,and circulating flow rate of alkali chamber,on the quality of Na_(2)CO_(3)product,carbon sequestration rate,and energy consumption were investigated.Under the optimal condition,the CO_(3)^(2-)concentration in the alkaline chamber reached a maximum of 0.817 mol/L with 98 mol%purity.The resulting carbon fixation rate was 70.50%,with energy consumption for carbon sequestration and product production of 5.7 k Whr/m^(3)CO_(2)and1237.8 k Whr/ton Na_(2)CO_(3),respectively.This coupling design provides a triple-win outcome promoting waste reduction and efficient utilization of resources.
文摘为提高氢能利用课程中氢气膜分离知识点的教学效果,使用MATLAB图形用户界面(graphical user interface,GUI)开发了氢气膜分离虚拟仿真实验平台。学生可自定义膜组件尺寸、物理参数等进行虚拟实验,计算得到氢气渗透总量和膜组件内氢气流率变化的曲线,直观地观察膜长度、渗透系数和压力等因素对氢气膜分离效果的影响作用。该虚拟仿真实验平台有助于学生对于氢气膜分离模型的理解,提升了教学质量。
