scholarly journals Mxene/alginate composites for lead and copper ion removal from aqueous solutions

RSC Advances ◽  
2019 ◽  
Vol 9 (50) ◽  
pp. 29015-29022 ◽  
Author(s):  
Yanjie Dong ◽  
Dashen Sang ◽  
Chengdong He ◽  
Xinfeng Sheng ◽  
Longwen Lei
Keyword(s):  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
High Efficiency ◽  
Copper Ion ◽  
High Adsorption ◽  
Ion Removal ◽  
High Adsorption Capacity

Studies on Mxene/alginate composite adsorption have opened up a new avenue for designing adsorbents possessing high adsorption capacity and high efficiency.

Adsorption of Ni2+ and Cu2+ Ions from Wastewater by a Silanized Zeolite Produced with a 3-Mercaptopropyl Trimethoxysilane Modification

2021 ◽  
Vol 21 (1) ◽  
pp. 632-635
Author(s):  
Youli Feng ◽  
Haojie Tian ◽  
Ning Mao
Keyword(s):  
Adsorption Capacity ◽  
Optimum Ratio ◽  
High Adsorption ◽  
Solution Equilibrium ◽  
Modified Zeolite ◽  
Water Solutions ◽  
Ion Removal ◽  
High Adsorption Capacity ◽  
Ph Range ◽  
Xrd Techniques

Adsorption characteristics of a silanized zeolite for Ni2+ and Cu2+ ions in water solutions were analyzed by SEM, FTIR and XRD techniques. For ion removal, an optimum ratio of 1 g/L silanized zeolite was obtained for adsorbing a Ni2+ and Cu2+ solution. Equilibrium states at 220 and 108 min were reached for the adsorption of Ni2+ and Cu2+, respectively. In a pH range of 2–6, the modified zeolite demonstrated an excellent resistance to acids by exhibiting a high adsorption capacity, which increased with a larger pH.

Investigation of Zn2+ heavy metal handling ability by macadamite activated by H3PO4

2019 ◽  
pp. 125-132
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Activated Carbon ◽  
Adsorption Capacity ◽  
Carbon Material ◽  
High Efficiency ◽  
High Adsorption ◽  
Research Results ◽  
Activating Agent ◽  
High Adsorption Capacity

Investigate the possibility of treating wastewater containing heavy metals Zn2+ with activated carbon material prepared from macadamia shell with chemical activating agent H3PO4, showing high efficiency of adsorption of Zn2+. The results of the study showed that activated carbon with H3PO4 activating agent has high adsorption capacity, capable of handling Zn2+ best at pH = 4.5, dosage 1.8 g/L and time is 120 minutes. . The results show similarities with other research results and are capable of treating wastewater containing heavy metals Zn2+.

scholarly journals Chelating magnetic nanocomposite for the rapid removal of Pb(ii) ions from aqueous solutions: characterization, kinetic, isotherm and thermodynamic studies

RSC Advances ◽  
2017 ◽  
Vol 7 (1) ◽  
pp. 433-448 ◽  
Author(s):  
Atefeh Moradi ◽  
Peyman Najafi Moghadam ◽  
Reza Hasanzadeh ◽  
Mika Sillanpää
Keyword(s):  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
Aqueous Media ◽  
Magnetic Nanocomposite ◽  
High Adsorption ◽  
Thermodynamic Studies ◽  
Rapid Removal ◽  
High Adsorption Capacity

Fe3O4@GMA–AAm nanocomposite as a novel adsorbent with high adsorption capacity for rapid removal of Pb2+ from aqueous media was synthesized.

Functionalized and reusable polyethylene fibres for Au(iii) extraction from aqueous solution with high adsorption capacity and selectivity

RSC Advances ◽  
2016 ◽  
Vol 6 (90) ◽  
pp. 87221-87229 ◽  
Author(s):  
Li-juan Pang ◽  
Rong Li ◽  
Qian-hong Gao ◽  
Jiang-tao Hu ◽  
Zhe Xing ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
Radiation Grafting ◽  
High Adsorption ◽  
High Adsorption Capacity

Functional UHMWPE fibres, used for efficient and selective Au(iii) adsorption from aqueous solutions, were successfully synthesized by a radiation grafting method.

scholarly journals Preparation of a poly(acrylic acid) based hydrogel with fast adsorption rate and high adsorption capacity for the removal of cationic dyes

RSC Advances ◽  
2019 ◽  
Vol 9 (37) ◽  
pp. 21075-21085 ◽  
Author(s):  
Zhenyu Yuan ◽  
Jie Wang ◽  
Yiming Wang ◽  
Qian Liu ◽  
Yujie Zhong ◽  
...  
Keyword(s):  
Acrylic Acid ◽  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
Glycidyl Methacrylate ◽  
Adsorption Rate ◽  
Cationic Dyes ◽  
High Adsorption ◽  
High Adsorption Capacity ◽  
Poly Acrylic Acid

A biocompatible Dex-MA/PAA hydrogel was prepared through copolymerization of glycidyl methacrylate substituted dextran (Dex-MA) with acrylic acid (AA), which was applied as the adsorbent to remove cationic dyes from aqueous solutions.

Metal-free high-adsorption-capacity adsorbent derived from spent coffee grounds for methylene blue

RSC Advances ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 5118-5127
Author(s):  
Bayaraa Sukhbaatar ◽  
Bongyoung Yoo ◽  
Jae-Hong Lim
Keyword(s):  
Methylene Blue ◽  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
Spent Coffee Grounds ◽  
High Adsorption ◽  
Metal Free ◽  
Coffee Grounds ◽  
High Adsorption Capacity

Spent coffee grounds derived carbon was prepared for the adsorption of methylene blue in aqueous solutions.

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