직/편성물 염색

The Thermodynamics of Methyl Violet Triphenyl Methanic Dye Recovery from Waste Water Effluents of Dyehouse Operation (III).

  • 출판일2002.06
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 262
Sorption experiments using Purolite C-100 cation exchange resin and spectrophotometric analysis evaluated change resin and spectrophotometric analysis evaluted the thermodynamics of Methyl Violet triphenyl methanic dye recovery from dyehouse effluent. The Langmuir dye recovery from dyehouse effluent. The Langmuir constant characterized the thermodynamic parameters of constant characterized the thermodynamic parameters of the sorption process. Positive enthalpy values suggested that the sorption process was endothermic and that dye fixation increased with temperature. Negative Gibbs free energy values demonstrated a spontaneous traction. Entropy was positive and increased with temperature. Increasing entropy increased the reactivity of sorbed ions with the resin. 14 refs.
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