Ligand-immobilized spent alumina catalyst for effective removal of heavy metal ions from model contaminated water

2018 ◽  
Vol 6 (4) ◽  
pp. 4623-4633 ◽  
Author(s):  
Mirabbos Hojamberdiev ◽  
Shahlo S. Daminova ◽  
Zukhra C. Kadirova ◽  
Khasan T. Sharipov ◽  
Felix Mtalo ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Contaminated Water ◽  
Alumina Catalyst ◽  
Effective Removal

Imprinted polymers for the removal of heavy metal ions from water

2011 ◽  
Vol 64 (6) ◽  
pp. 1325-1332 ◽  
Author(s):  
Syed Ashraf ◽  
Angela Cluley ◽  
Ckarlos Mercado ◽  
Anja Mueller
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
High Capacity ◽  
Random Copolymer ◽  
Complete Removal ◽  
Ion Exchange Resins ◽  
Effective Removal ◽  
Removal Of Heavy Metals ◽  
Exchange Resins

In wastewater treatment, the removal of heavy metals is difficult due to the limited affinity of heavy metal ions to ion exchange resins. Here imprinting polymerization is used to develop resins with high capacity and selectivity for heavy metal ions for water treatment. A random copolymer of methacrylate and methacrylamide was found to be most effective for the removal of hydrophilic metal complexes, like CdCl2, ZnCl2, and the metalloid NaH2AsO4, particularly when the porosity of these resins is increased. For hydrophobic complexes imprinting emulsion polymerization was developed and data for the effective removal of mercury dithizonate will be described. Complete removal for up to 80 ppm of cadmium and mercury with only 200 mg of imprinted resin was obtained; competition and co-imprinting experiments are described as well.

Rice husk based nanocellulose scaffolds for highly efficient removal of heavy metal ions from contaminated water

2020 ◽  
Vol 6 (11) ◽  
pp. 3080-3090
Author(s):  
Chengbo Zhan ◽  
Priyanka R. Sharma ◽  
Hongrui He ◽  
Sunil K. Sharma ◽  
Alexis McCauley-Pearl ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Rice Husk ◽  
Heavy Metal Ions ◽  
Contaminated Water ◽  
Rice Husks ◽  
Efficient Removal ◽  
Highly Efficient

Nanocellulose scaffolds derived from rice husks could efficiently remove heavy metal ions from contaminated water.

Effective Removal of Heavy Metal Ions Using Mn2O3 Doped Polyaniline Nanocomposite

2014 ◽  
Vol 14 (4) ◽  
pp. 2937-2946 ◽  
Author(s):  
K. Rajakumar ◽  
S. Dinesh Kirupha ◽  
S. Sivanesan ◽  
Rajamaniccam L. Sai
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Effective Removal ◽  
Doped Polyaniline ◽  
Polyaniline Nanocomposite

scholarly journals Application of Heavy Metal Ions Separation from Contaminated Water in Industry

2020 ◽  
Vol 9 (6) ◽  
pp. 132-134
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Heavy Metal Ions ◽  
Contaminated Water ◽  
Constant Concentration ◽  
Concentrated Solutions ◽  
Nickel Ions ◽  
Silver Copper ◽  
Copper Nickel ◽  
Concentrated Solution

to achieve - study the sorption of silver, copper, nickel ions, the method of changing the volume of solutions of a constant concentration of metal ions is used. The amount of zeolite and constant concentrated solution is taken in such an amount that the molar (molecular) parts of the exchanged ions are in a wider range. Some concentrated solutions are taken in flasks in an amount of 20 40 60 80 120 ml and 0.5 g of zeolite are added to them, mixed and a sample is taken periodically for analysis. After 2-2.5 hours, equilibrium occurs. By measuring the density of equilibrium, the amount of sorption of ions is determined.

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