Adsorption of Quaternary Ammonium Compounds onto Activated Sludge

  title={Adsorption of Quaternary Ammonium Compounds onto Activated Sludge},
  author={Rong Wei Ren and Dongfang Liu and Kexun Li and Jie Sun and Chong Zhang},
The performance of activated sludge in the removal of tetradecyl benzyl dimethyl ammonium chloride (C14BDMA) by adsorption from aqueous solution was investigated with different PH, contact time, ionic strength and temperature. Equilibrium was achieved within 2 h of contact time. The adsorption capacity increased largely with increasing solution pH and remained constant above pH 9. The ionic strength had a negative effect on C14BDMA removal. The adsorption isotherms were analyzed by Langmuir and… CONTINUE READING


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