[PDF] Top 20 Optimization Studies on the Removal of Metal Ions Using Modified Cation Exchange Resin

... membrane filtration, electrochemical treatment technologies, etc. The present review article deals with the current techniques for the removal of heavy metal ions from wastewater. Their advantages ... See full document

... the removal of heavy metal from different aqueous ...terpolymer resin was synthesized by condensation polymerization of o-toludine and 8-hydroxyquinoline with formaldehyde resin using ... See full document

... ion exchange, physical adsorption, hydrogen bonding and hydrophobic interactions, are ...pollutant removal rapidly increases within the contact time due to fast interactions between metals and the surface ... See full document

... spectral studies, and thermogravimetry ...PATH resin was employed for removing the metal ions from ...this metal can be reduced by treatment of lime, but result is not satisfactory, ... See full document

... the metal ions from aqueous solu- tions investigated by several ...the removal of Au(III), Pb(II) from Cu(II), Ni(II) and Fe(III) in ...methacrylate) modified resins by pyrazole, imidazole, ... See full document

... the removal of calcium ...the removal of metal ions[4] with high and moderate CEC values while the one derived from AA (Achyranthes aspera ...Ion exchange process becomes highly ... See full document

... of ions from aqueous solution of water samples treated. Modified and unmodified coir dust resins are very effective for removal of Nickel from aqueous ...heavy metal. Notably, the ... See full document

... used modified natural clays by treating with hydrochloric acid and subsequent neutralization of the resultant solution by sodium hydroxide for removal of nickel, copper and zinc and found that the uptake ... See full document

... chemically modified melamine chelate resins with functional groups of sulfur and nitrogen donor atoms are very efficient for heavy removal of Fe(II), Fe(III), Cr(III), Cr(VI), Cu(II), Ag(I) and Ni(II) with ... See full document

... Heavy metals and radionuclides can enter into surface and groundwater from a variety sources, Water pollution is thus a consumpolitan problem that need urgent atten- tion [1-4]. large amount of heavy metals and radionu- ... See full document

... (II) ions are investigated by utilizing ZeoliteNaX as the potential ...Cu(II) removal is found out to be 6.0. The removal of Cu(II) ions increases with time and attains saturation in about ... See full document

... The results showed that principal component analysis and regression models can be used to assess soil properties in- cluding cation exchange capacity. Fox and Metla (2005) also obtained similar results in ... See full document

... To approximate conditions defluoridation groundwater, during this work, we are interested in the study of the influence of the presence of ions -counter on the ability of removing fluoride ions by chitosan. ... See full document

... expression, the activities of X and Y in the aqueous solution are obtained from their respective concentrations and activity coefficients derived from Debye Huckel limiting law. As regards the activities of the two ... See full document

... total metal only, it is necessary to ensure that all metal exists in simple hydrated form or in Chelex- labile species and to buffer the sample to the optimum pH for Chelex ...including using both ... See full document

... by using Fourier transform infrared spectrometer (FTIR) (Perkin Elmer, Spectrum 1000), in the range 4000-400 cm -1 , (iv) spectrophotometer UV-vis (Varian, 1E) for colorimetric analysis of Cr(VI), (v) atomic ... See full document

... It was shown that flat elution curves were maintained with constant length rare-earth bands using either copper-ammonium- hydrogen or copper-hydrogen retaining beds. However, when the copper-hydrogen retaining ... See full document

... of metal ions was studied by varying its ...of metal ions were studied by taking five different weights of metal ions namely, 25, 50, 75, 100 and 125 mg in one liter of distilled ... See full document

... On an essentially sodium-free regimen, providing ample calories, nitrogen, and potassium, a carboxylic cation exchanger in the hydrogen cycle, up to 40 g./day, did not further increase s[r] ... See full document

... rial showed a removal ration of about 90%, while the GMA-grafted one only 60%. As mentioned above, the 4 methylene groups of 4-HB make the side chain longer and flexible. Hook shaped functional groups on the side ... See full document