发明人:王涛,郑喜,赵珍珍,赵之平
申请日期:2022.05.07
摘要:本发明公布了一种基于氮化硼改性的聚酰胺复合纳滤膜及其制备方法和应用,制备方法包括如下三个步骤:S1、氮化硼纳米片的剥离和分散;S2、准备PMIA基底;S3、制备聚酰胺复合纳滤膜。本发明采用单宁酸对氮化硼进行剥离和分散,借助水浴超声和超声波细胞粉碎机的协同作用,得到分散性良好且稳定的氮化硼纳米片,降低 ...
发明人:王涛,赵珍珍,郑喜,王雪琪,赵之平
申请日期:2022.09.19
摘要:本发明在室温条件下的水溶液中采用绿色工艺合成了MOF808,再将其引入到水相或油相中用于构建聚酰胺(PA)选择层,以对膜进行改性,成功制备了能够实现一价离子/多价离子在盐水中分选的带电荷基团的纳米复合膜(TFN)。研究表明,MOF808的引入对PA层形态、膜表面的亲水性和化学性质以及膜的分离性能均产 ...
作者:Chan Pei;Heng Mao;Yu-Jie Wang;Wei-Min Liu;Zheng-Zheng Li;Wen-Wen Xie;Yan Li;Zhi-Ping Zhao (1School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China;2SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd., Beijing 100013, P. R. China)
出处:Separation and Purification Technology 2023
摘要:Mixed matrix membranes (MMMs) have been shown great performance and remarkable stability for diverse molecular separations. Considering that the densi ...
作者:赵珍珍1;,郑喜1;,王雪琪1;,王涛1;,冯英楠1;,任永胜2;,赵之平1; (1北京理工大学化学与化工学院;2宁夏大学化学化工学院,省部共建煤炭高效利用与绿色化工国家重点实验室)
出处:化工进展 2023
关键词:支撑基底;界面聚合;聚酰胺复合膜;膜结构优化
摘要:通过界面聚合法获得的聚酰胺复合膜在污废水处理、海水淡化等领域得到广泛应用,然而聚酰胺复合膜的结构对其应用起到关键作用,以往研究多数聚焦在分离层,而对复合膜微孔支撑基底的研究相对较少。研究表明,微孔基底的物化特征对于聚酰胺分离层结构的形成及复合膜性能起着至关重要的影响作用。为此,本文从支撑基底的制备工 ...
发明人:桑乐,杨炜尧,赵之平
申请日期:2022.09.15
摘要:本发明公开了一种连续合成生物质衍生呋喃化合物的方法及装置,该方法为:向填充有酸性催化剂颗粒的封闭容器中加入质量浓度为0.1%~50%的化合物水溶液和有机溶剂,在50~200℃、0~3MPa条件下,反应10s‑30min后,得到生物质呋喃衍生物。该装置为包括原料罐、溶液罐、原料泵和溶液泵、微填充床反应 ...
作者:Yang, Wei-Yao;Wang, Hong-Bin;Zhou, Tao;Zhang, Rui-Xue;Hu, Jin-Yan;Sang, Le;Zhao, Zhi-Ping (1School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing; 102488, China)
出处:SSRN 2022
摘要:The production of levulinic acid (LA) is of great significance to solve the shortage of fossil resources and utilization of biomass. However, producti ...
作者:Xi Zheng1;Tao Wang1 2;Shen-Hui Li1;Ying-Nan Feng1;Zhen-Zhen Zhao1;Yong-Sheng Ren3;Zhi-Ping Zhao1; (1 School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China. 2 Tangshan Research Institute, Beijing Institute of Technology, Tangshan 063015, P. R. China. 3 State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, Department of Chemistry & Chemical Engineering, Ningxia University, Yinchuan 750021, P. R. China.)
出处:ACS applied materials & interfaces 2023
关键词:boron nitride nanosheets;interfacial polymerization;molecular simulation;nanofiltration;tannic acid.
摘要:Nanofiltration (NF) technology has been widely used in saline wastewater treatment due to its unique separation mechanism. However, the NF membrane, a ...
发明人:毛恒,刘伟民,赵之平
申请日期:2022.10.11
摘要:本发明公开了一种超薄硅橡胶/MOF中空纤维复合膜的制备方法。本发明的方法为:将甲醇注入中空纤维膜组件壳程内浸润膜丝,排出甲醇后,再注入事先配制好的MOFs前驱溶液浸润膜丝,排出MOF后,将中空纤维膜组件在30~60℃下自结晶1h以上,得到含有MOFs种子的中空纤维膜组件;重复上述步骤1次以上,得到生 ...
发明人:赵之平,谢纹纹,王洪彬,桑乐,王涛
申请日期:2023.03.02
摘要:本发明涉及一种从发酵尾气中提取乙醇的装置及方法,属于可再生能源制备技术领域。本发明的装置设计多个膜组件可以按需求选择串联个数,在生物质发酵制乙醇的过程中,产生的发酵尾气通过气体增压泵控制其压力,进入本装置,通过膜组件处理,膜组件截留侧气体处理达标排放或直接供下游工艺或用户使用,在渗透侧用冷凝器将可凝 ...
作者:Ahmad, Mahmoosh1;Yousaf, Maryam1;Cai, Weiwei1;Zhao, Zhiping1; (1School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China)
出处:Chemical Engineering Journal 2023
摘要:Developing efficient methods for deep desulphurization of commercial fuel is critical because of the requirements to limit sulphur concentrations belo ...