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Adsorption of methylene blue onto bamboo-based activated carbon: kinetics and equilibrium studies.
Two simplified kinetic models including pseudo-first-order and pseudo-second-order equation were selected to follow the adsorption processes of methylene blue and the kinetic parameters of this best-fit model were calculated and discussed. Expand
Removal of phenol from aqueous solutions by adsorption onto activated carbon prepared from biomass material.
The results proved that the prepared activated carbon was an effective adsorbent for removal of phenol from aqueous solution. Expand
Fixed-bed adsorption of reactive azo dye onto granular activated carbon prepared from waste.
The BGAC was shown to be suitable adsorbent for adsorption of RB5 using fixed-bed adsorptive column and fitted well to the Thomas and Yoon-Nelson models with coefficients of correlation R(2)>or=0.93 at different conditions. Expand
Equilibrium modeling and kinetic studies on the adsorption of basic dye by a low-cost adsorbent: coconut (Cocos nucifera) bunch waste.
The ability of coconut bunch waste, an agricultural waste available in large quantity in Malaysia, to remove basic dye from aqueous solution by adsorption was studied and fitted very well the pseudo-second-order kinetic model. Expand
Adsorption isotherms, kinetics, thermodynamics and desorption studies of 2,4,6-trichlorophenol on oil palm empty fruit bunch-based activated carbon.
The adsorption characteristics of 2,4,6-trichlorophenol on activated carbon prepared from oil palm empty fruit bunch (EFB) were evaluated and Boyd plot revealed that the advertisersorption of TCP on the activated carbon was mainly governed by particle diffusion. Expand
Adsorption of basic dye on high-surface-area activated carbon prepared from coconut husk: equilibrium, kinetic and thermodynamic studies.
Coconut husk-based activated carbon was shown to be a promising adsorbent for removal of methylene blue from aqueous solutions and was found to follow closely the pseudo-second-order kinetic model. Expand
Batch adsorption of methylene blue from aqueous solution by garlic peel, an agricultural waste biomass.
The results indicated that the garlic peel could be an alternative for more costly adsorbents used for dye removal, and was fitted well with the Freundlich isotherm. Expand
Adsorption of residue oil from palm oil mill effluent using powder and flake chitosan: equilibrium and kinetic studies.
The results obtained showed that chitosan powder, at a dosage of 0.5g/l, 15min of contact time and a pH value of 5.0, presented the most suitable conditions for the adsorption of residue oil from POME. Expand
Evaluation of papaya seeds as a novel non-conventional low-cost adsorbent for removal of methylene blue.
  • B. Hameed
  • Chemistry, Medicine
  • Journal of hazardous materials
  • 15 March 2009
The results demonstrated that the PS is very effective to remove methylene blue from aqueous solutions. Expand
Parameters affecting the photocatalytic degradation of dyes using TiO2-based photocatalysts: a review.
  • U. Akpan, B. Hameed
  • Materials Science, Medicine
  • Journal of hazardous materials
  • 30 October 2009
The findings revealed that various parameters, such as the initial pH of the solution to be degraded, oxidizing agents, temperature at which the catalysts must be calcined, dopant(s) content and catalyst loading exert their individual influence on the photocatalytic degradation of any dye in wastewaters. Expand