Synergy Effect of Pore Structure and Amount of Carboxyl Site for Effective Removal of Pb2+ in Metal–Organic Frameworks

2019 ◽  
Vol 64 (6) ◽  
pp. 2728-2735 ◽  
Author(s):  
Xudong Zhao ◽  
Yaxin Wang ◽  
Yali Li ◽  
Wenjuan Xue ◽  
Jian Li ◽  
...  
Keyword(s):  
Pore Structure ◽  
Metal Organic Frameworks ◽  
Synergy Effect ◽  
Effective Removal ◽  
Metal Organic

The Rise of Metal-Organic Frameworks for Electrolyte Applications

2021 ◽  
Author(s):  
Xia Hu ◽  
Qi Liu ◽  
Kui Lin ◽  
Cuipang Han ◽  
Baohua Li
Keyword(s):  
Chemical Composition ◽  
Pore Structure ◽  
Metal Organic Frameworks ◽  
Surface Functionality ◽  
Metal Organic

Metal−organic frameworks (MOFs) have been attracting a great attention for application in electrolytes. Benefiting from the controllable chemical composition, tunable pore structure and surface functionality, MOFs offer great opportunities for...

scholarly journals Effective removal of chemical warfare agent simulants using water stable metal–organic frameworks: mechanistic study and structure–property correlation

RSC Advances ◽  
2017 ◽  
Vol 7 (11) ◽  
pp. 6691-6696 ◽  
Author(s):  
P. Asha ◽  
Mekhola Sinha ◽  
Sukhendu Mandal
Keyword(s):  
Aqueous Medium ◽  
Metal Organic Frameworks ◽  
Chemical Warfare Agent ◽  
Chemical Warfare ◽  
Mechanistic Study ◽  
Structure Property ◽  
Adsorptive Removal ◽  
Property Correlation ◽  
Effective Removal ◽  
Metal Organic

Water stable zirconium based MOFs are used for the efficient adsorptive removal of chemical warfare agent simulants from aqueous medium.

Functionalized metal-organic frameworks for effective removal of rocephin in aqueous solutions

2018 ◽  
Vol 514 ◽  
pp. 234-239 ◽  
Author(s):  
Xudong Zhao ◽  
Yanan Wei ◽  
Huifang Zhao ◽  
Zhuqing Gao ◽  
Yuezhong Zhang ◽  
...  
Keyword(s):  
Aqueous Solutions ◽  
Metal Organic Frameworks ◽  
Effective Removal ◽  
Metal Organic

scholarly journals Application of CoMn/CoFe layered double hydroxide based on metal-organic frameworks template to activate peroxymonosulfate for 2, 4-dichlorophenol degradation

2021 ◽  
Author(s):  
Chenyu Liu ◽  
Haitong Wei ◽  
Yanhui Gao ◽  
Ning Wang ◽  
Xiaoying Yuan ◽  
...  
Keyword(s):  
Specific Surface ◽  
Pore Structure ◽  
Surface Area ◽  
Specific Surface Area ◽  
Active Sites ◽  
Metal Organic Frameworks ◽  
High Specific Surface Area ◽  
State Transformation ◽  
Alkaline Conditions ◽  
Metal Organic

Abstract Metal-Organic Frameworks (MOFs) have unique properties and stable structure, which have been widely used as templates/precursors to prepare well-developed pore structure and high specific surface area materials. In this article, an innovative and facile method of crystal reorganization was designed by using MOFs as sacrificial templates to prepare LDH nano-layer sheet structure through a pseudomorphic conversion process under alkaline conditions. The obtained CoMn-LDH and CoFe-LDH catalysts broke the ligand of MOFs and reorganized the structure on the basis of retaining a high specific surface area and a large number of pores, which have higher specific surface area and well-developed pore structure than LDH catalysts prepared by traditional methods, and thus provide more active sites to activate PMS. Due to the unique framework structure of MOFs, the MOF derived CoMn-LDH and CoFe-LDH catalysts could provide more active sites to activate PMS, and achieve a 2, 4-dichlorophenol (2, 4-DCP) degradation of 99.3% and 99.2% within 20 min, respectively. Besides, the two LDH catalysts displayed excellent degradation performance for bisphenol A (BPA), ciprofloxacin (CIP) and 2, 4-dichlorophenoxyacetic acid (2, 4-D). XPS indicated that the valence state transformation of metal elements participated in PMS activation. EPR manifested sulfate radical () and singlet oxygen (1O2) were the main species for degrading pollutants. In addition, after the three-cycle experiment, the CoMn-LDH and CoFe-LDH catalysts also showed long-term stability with a slight activity decrease in the third cycle. The phytotoxicity assessment determined by the germination of mung beans proved that PMS activation by MOFs-derived LDH catalyst can basically eliminate the phytotoxicity of 2, 4-D solution. This research not only developed high-activity LDH catalysts for PMS activation, but also expanded the environmental applications of MOFs derivants.

scholarly journals Recent Progress in Heavy Metal Ion Decontamination Based on Metal–Organic Frameworks

Nanomaterials ◽  
2020 ◽  
Vol 10 (8) ◽  
pp. 1481
Author(s):  
Yajie Chen ◽  
Xue Bai ◽  
Zhengfang Ye
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Metal Ion ◽  
High Surface ◽  
Metal Organic Frameworks ◽  
Environmental Safety ◽  
Surface Areas ◽  
Effective Removal ◽  
Pore Size Distributions ◽  
Metal Organic

Heavy metals are inorganic pollutants which pose a serious threat to human and environmental safety, and their effective removal is becoming an increasingly urgent issue. Metal–organic frameworks (MOFs) are a novel group of crystalline porous materials, which have proven to be promising adsorbents because of their extremely high surface areas, optimizable pore volumes and pore size distributions. This study is a systematic review of the recent research on the removal of several major heavy metal ions by MOFs. Based on the different structures of MOFs, varying adsorption capacity can be achieved, ranging from tens to thousands of milligrams per gram. Many MOFs have shown a high selectivity for their target metal ions. The corresponding mechanisms involved in capturing metal ions are outlined and finally, the challenges and prospects for their practical application are discussed.

scholarly journals Water-Stable Nanoscale Zirconium-Based Metal–Organic Frameworks for the Effective Removal of Glyphosate from Aqueous Media

ACS Omega ◽  
2018 ◽  
Vol 3 (7) ◽  
pp. 7832-7839 ◽  
Author(s):  
Asha Pankajakshan ◽  
Mekhola Sinha ◽  
Anupam Anand Ojha ◽  
Sukhendu Mandal
Keyword(s):  
Metal Organic Frameworks ◽  
Aqueous Media ◽  
Effective Removal ◽  
Metal Organic

Monte Carlo Simulations to Examine the Role of Pore Structure on Ambient Air Separation in Metal–Organic Frameworks

2018 ◽  
Vol 57 (28) ◽  
pp. 9240-9253 ◽  
Author(s):  
Sean M. McIntyre ◽  
Bohan Shan ◽  
Ruitong Wang ◽  
Congwei Zhong ◽  
Jichang Liu ◽  
...  
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Simulations ◽  
Pore Structure ◽  
Metal Organic Frameworks ◽  
Ambient Air ◽  
Air Separation ◽  
Metal Organic

Mesoporous Metal-Organic Frameworks with Size-, Shape-, and Space-Distribution-Controlled Pore Structure

2015 ◽  
Vol 27 (18) ◽  
pp. 2923-2929 ◽  
Author(s):  
Weina Zhang ◽  
Yayuan Liu ◽  
Guang Lu ◽  
Yong Wang ◽  
Shaozhou Li ◽  
...  
Keyword(s):  
Pore Structure ◽  
Metal Organic Frameworks ◽  
Space Distribution ◽  
Metal Organic ◽  
Mesoporous Metal
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