PMID- 19295102
OWN - NLM
STAT- MEDLINE
DCOM- 20090417
LR  - 20121115
VI  - 50
IP  - 2
DP  - 2008 Apr
TI  - 2, 4 dichlorophenol (2, 4-DCP) sorption from aqueous solution using granular 
      activated carbon and polymeric adsorbents and studies on effect of temperature on 
      activated carbon adsorption.
PG  - 163-8
AB  - Adsorption equilibrium, kinetics and thermodynamics of 2,4-dichlorophenol 
      (2,4-DCP), one of the most commonly used chlorophenol, onto bituminous coal based 
      Filtrasorb-400 grade granular activated carbon, were studied in aqueous solution 
      in a batch system with respect to temperature. Uptake capacity of activated 
      carbon found to increase with temperature. Langmuir isotherm models were applied 
      to experimental equilibrium data of 2, 4-DCP adsorption and competitive studies 
      with respect to XAD resin were carried out. Equilibrium data fitted very well to 
      the Langmuir equilibrium model. Adsorbent monolayer capacity 'Q0, Langmuir 
      constant 'b' and adsorption rate constant 'k(a)' were evaluated at different 
      temperatures for activated carbon adsorption. This data was then used to 
      calculate the energy of activation of adsorption and also the thermodynamic 
      parameters, namely the free energy of adsorption, deltaG0, enthalpy of 
      adsorption, deltaH0 and the entropy of adsorption deltaS0. The obtained results 
      showed that the monolayer capacity increases with the increase in temperatures. 
      The obtained values of thermodynamic parameters showed that adsorption of 2,4 DCP 
      is an endothermic process. Synthetic resin was not found efficient to adsorb 2,4 
      DCP compared to activated carbon. The order of adsorption efficiencies of three 
      resins used in the study found as XAD7HP > XAD4 > XAD1180.
FAU - Ghatbandhe, A S
AU  - Ghatbandhe AS
AD  - Department of Chemical Technology, Laxminarayan Institute of Technology, R T M 
      Nagpur University, Nagpur, India. ajay_gbandhe@rediffmail.com
FAU - Yenkie, M K N
AU  - Yenkie MK
LA  - eng
PT  - Journal Article
PL  - India
TA  - J Environ Sci Eng
JT  - Journal of environmental science & engineering
JID - 101273917
RN  - 0 (Chlorophenols)
RN  - 0 (Polystyrenes)
RN  - 0 (Polyvinyls)
RN  - 0 (Resins, Synthetic)
RN  - 0 (Water Pollutants, Chemical)
RN  - 16291-96-6 (Charcoal)
RN  - 37380-42-0 (XAD-4 resin)
RN  - R669TG1950 (2,4-dichlorophenol)
SB  - IM
MH  - Adsorption
MH  - Charcoal/*chemistry
MH  - Chlorophenols/*chemistry
MH  - Kinetics
MH  - Polystyrenes/chemistry
MH  - Polyvinyls/chemistry
MH  - Resins, Synthetic/chemistry
MH  - *Temperature
MH  - Thermodynamics
MH  - Water Pollutants, Chemical/*chemistry
MH  - Water Purification/*methods
EDAT- 2009/03/20 09:00
MHDA- 2009/04/18 09:00
CRDT- 2009/03/20 09:00
PHST- 2009/03/20 09:00 [entrez]
PHST- 2009/03/20 09:00 [pubmed]
PHST- 2009/04/18 09:00 [medline]
PST - ppublish
SO  - J Environ Sci Eng. 2008 Apr;50(2):163-8.