Liquid membrane multiple emulsion process of chromium(VI) separation from waste waters

Chakravarti, A. N.; Chowdhury, Sukanya; Chakrabarty, S.; Chakrabarty, Tina; Mukherjee, Devdeep

doi:10.1016/0927-7757(95)03201-n

Cited by 122 publications

(53 citation statements)

References 20 publications

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“…The removal of heavy metal in an effective manner from water and wastewater is, thus, ecologically very important. Common cleaning methods for the removal of heavy metal comprise membrane separation (Chakravarti, Chwodhury, Chakraborty, Chakraborty, & Mukherjee, 1995 ), electrochemical precipitation (Kongsricharoern & Polprasert, 1996), emulsion per traction (Ortiz, Roman, Corvalan, & Eliceche, 2003), ion exchange (Trgo, Peric, & Medvidovic, 2006), preconcentration (Hirata, Honda, & Kumamru, 1989), fertilization (Mandaoker, Dharmadhikari, & Dara, 1994) and adsorption (Danil de Namor & Abbas, 2010 ;Bhattacharya, Naiya, Mandal, & Das, 2008). These methods differ with respect to cost, complexity and efficiency.…”

Section: Introductionmentioning

confidence: 99%

Modified Saw Dust for the Removal of Lead Cations from Aqueous Media

Abbas¹,

Chaaban²,

Karamé³

2012

IJC

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Saw dust modified with chloroethylacetate was prepared. The product was used as an extracting agent for the solid-phase extraction of lead cations from aqueous media. The uptake performance of modified saw dust (MSD) for removal of Pb(II) cations was investigated using batch method. The influences of some experimental parameters like initial concentration of the cation, extraction time, concentration of the saw dust, pH and temperature were studied. Three adsorption isotherms [Langmuir, Freundlich and Dubinin-Redushkevish (D-R)] were used to analyze the equilibrium data. The sorption capacity of modified saw dust was found to be 78.1 mg/g at 298 K from 164 mg/l aqueous solution of lead cation. The mean free energy calculated from D-R model was found to be 15.81 KJ/mol, indicating that chemisorption is involved in the extraction process. The removal of lead cation does not change with increasing temperature. The present method has been compared with the previous methods.

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Section: Introductionmentioning

confidence: 99%

Modified Saw Dust for the Removal of Lead Cations from Aqueous Media

Abbas¹,

Chaaban²,

Karamé³

2012

IJC

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show abstract

“…A large variety of treatment methods to remove chromium are available, namely chemical precipitation and ion exchange (Malkoc and Nuhoglu, 2007), membrane separation (Chakravarti et al, 1995), electrochemical treatment (Kongsricharoern and Polprasert, 1996), reverse osmosis (Dakiky et al, 2002;Li et al, 2004), solvent extraction (Pagilla and Canter, 1999) and adsorption (Srivastava and Thakur, 2006;Razmovski and S'ciban, 2008). In the case of low chromium concentration, most of them are considered ineffective due to high capital and operational costs incurred besides its low removal efficiency.…”

Section: Introductionmentioning

confidence: 99%

Performance of durian shell waste as high capacity biosorbent for Cr(VI) removal from synthetic wastewater

Kurniawan

Sisnandy

Trilestari

et al. 2011

Ecological Engineering

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“…Adsorption with activated carbon is highly efficient for the removal of numerous trace elements from water, but the high cost inhibits its large-scale use as adsorbent [2][3][4][5] . Camellia oleifera abel shells (COAS) is a genus of Camellia family which is widely distributed in the southern China.…”

Section: Introductionmentioning

confidence: 99%