ABSTRAKTelah dilakukan penelitian adsorpsi ion Pb dengan adsorben bulu ayam. Penelitian ini bertujuan untuk mengetahui karakteristik dan daya adsorpsi adsorben dari bulu ayam yang teraktivasi dan tidak teraktivasi Na 2 S terhadap ion Pb. Proses adsorpsi dilakukan dengan metode batch dengan memvariasikan konsentrasi, pH dan waktu kontak. Kadar Pb dalam larutan dikarakterisasi dengan spektoskopi AAS (Atomic Absorption Spectroscopy). Hasil penelitian menunjukkan bahwa waktu kontak yang diperlukan untuk waktu kesetimbangan adsorpsi oleh adsorben bulu ayam teraktivasi dan tidak teraktivasi masingmasing yaitu selama 60 menit dan 90 menit dan pada pH 8. Penyerapan Pb oleh bulu ayam ini mengikuti isoterm Freundlich dan kinetika reaksi yang terjadi mengikuti persamaan Ho.Kata kunci: adsorpsi, biomassa bulu ayam, ion Pb(II), limbah cair tekstil, logam berat ABSTRACTResearch of Pb ions adsorption with chicken feathers adsorbent has been conducted. This research aims to determine adsorption properties of activated chicken feathers and the chicken feathers that were not activated by Na 2 S for Pb ions. The adsorption process was conducted by batch method with variation of the concentration, pH, and contact time. Pb content in solution is characterized by AAS spectroscopy (Atomic Absorption Spectroscopy). The results show that the contact time and pH condition for adsorption equilibrium are 60 min for activated chicken feathers and 90 min for chicken feathers which were not activated by Na 2 S at pH 8. Pb absorption by chicken feathers follows Freundlich isotherm and the reaction kinetics follow the Ho equation.
ABSTRAKTelah dilakukan penelitian adsorpsi ion Pb dengan adsorben bulu ayam. Penelitian ini bertujuan untuk mengetahui karakteristik dan daya adsorpsi adsorben dari bulu ayam yang teraktivasi dan tidak teraktivasi Na 2 S terhadap ion Pb. Proses adsorpsi dilakukan dengan metode batch dengan memvariasikan konsentrasi, pH dan waktu kontak. Kadar Pb dalam larutan dikarakterisasi dengan spektoskopi AAS (Atomic Absorption Spectroscopy). Hasil penelitian menunjukkan bahwa waktu kontak yang diperlukan untuk waktu kesetimbangan adsorpsi oleh adsorben bulu ayam teraktivasi dan tidak teraktivasi masingmasing yaitu selama 60 menit dan 90 menit dan pada pH 8. Penyerapan Pb oleh bulu ayam ini mengikuti isoterm Freundlich dan kinetika reaksi yang terjadi mengikuti persamaan Ho.Kata kunci: adsorpsi, biomassa bulu ayam, ion Pb(II), limbah cair tekstil, logam berat ABSTRACTResearch of Pb ions adsorption with chicken feathers adsorbent has been conducted. This research aims to determine adsorption properties of activated chicken feathers and the chicken feathers that were not activated by Na 2 S for Pb ions. The adsorption process was conducted by batch method with variation of the concentration, pH, and contact time. Pb content in solution is characterized by AAS spectroscopy (Atomic Absorption Spectroscopy). The results show that the contact time and pH condition for adsorption equilibrium are 60 min for activated chicken feathers and 90 min for chicken feathers which were not activated by Na 2 S at pH 8. Pb absorption by chicken feathers follows Freundlich isotherm and the reaction kinetics follow the Ho equation.
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