2010
DOI: 10.1016/j.jcis.2010.01.057
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Functionalization of adsorbent with different aliphatic polyamines for heavy metal ion removal: Characteristics and performance

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Cited by 58 publications
(36 citation statements)
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“…It is noted from the results of this study that increasing polyamine chain length did not lead to an increase in sorption capacity. Moreover, it is noted that the effect of amine groups observed in this work is different from those observed by Liu et al [29]. This phenomenon suggests that metal ion adsorption performance also depends upon supported material.…”
Section: Application To Heavy Metal Ion Adsorptioncontrasting
confidence: 89%
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“…It is noted from the results of this study that increasing polyamine chain length did not lead to an increase in sorption capacity. Moreover, it is noted that the effect of amine groups observed in this work is different from those observed by Liu et al [29]. This phenomenon suggests that metal ion adsorption performance also depends upon supported material.…”
Section: Application To Heavy Metal Ion Adsorptioncontrasting
confidence: 89%
“…The results revealed that at pH 8 the sorbent material, MTTZ-MSU-2, could adsorb Zn(II)~Pb(II)>>Cd(II)>Cu(II)>Cr(III). Liu et al [29] proposed the effect of molecular length and structure of polyamines-functionalized poly(glycidyl methacrylate) (PGMA) on performances of Cu(II) removal. Four different types of aliphatic polyamines were investigated in this study: ethylenediamine (EDA), diethylenetriamine (DETA), triethylenetetramine (TETA), and tetraethylenepentamine (TEPA).…”
Section: Application To Heavy Metal Ion Adsorptionmentioning
confidence: 99%
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“…Then, one kind of the polyamines (EDA, DETA, TETA, or TEPA) was added for the amination reaction. The amination reaction conditions were: in the form of P-Polyamines (polyamine concentration; reaction temperature; reaction time), P-EDA (2.76 mol/L; 70 C; 6 h), P-DETA (2.76 mol/L; 70 C; 6 h), P-TETA (2.76 mol/L; 70 C; 10 h), and P-TEPA (2.76 mol/L; 70 C; 10 h) (Liu et al, 2010). The prepared P-Polyamines were then vacuum-filtered using a Buchner funnel, and washed several times with water until the pH of the washing liquids became neutral.…”
Section: Materials and Methods Materialsmentioning
confidence: 99%
“…1,2 Among the various studies, amine-functionalized adsorbents have been found to be the most common, arising from the strong binding properties of amine to transition metals. [3][4][5][6][7][8] The mechanism for the amine functionalization process is mainly based on the use of aliphatic diamine (especially ethylenediamine) where one of the two amine groups is utilized for covalent binding to the desired adsorbent, while the other one could be easily available for coordination to the target analyte via its lone pair of valance electrons. For this reason, aliphatic diamines are widely used as analytical reagents for modification of different solid phases for purposes of selective removal, separation and/or determination of metal ions in an aqueous medium.…”
Section: Introductionmentioning
confidence: 99%