STUDI ISOTHERM ADSORPSI CU(II) DALAM LARUTAN MENGGUNAKAN ZEOLIT TERAKTIVASI

Moh. Azhar Afandy; Fikrah Dian Indrawari Sawali

doi:10.61844/jtkm.v3i1.755

Penulis

Moh. Azhar Afandy Program Studi Teknik Kimia Mineral, Politeknik Industri Logam Morowali https://orcid.org/0000-0001-7479-1907
Fikrah Dian Indrawari Sawali Program Studi Teknik Kimia Mineral, Politeknik Industri Logam Morowali https://orcid.org/0000-0002-8225-2601

DOI:

https://doi.org/10.61844/jtkm.v3i1.755

Kata Kunci:

Isotherm, Adsorpsi, Zeolit, Cu(II)

Abstrak

Proses penghilangan logam berat khususnya Cu(II) menjadi salah satu solusi dari permasalahan pencemaran lingkungan yang terjadi akibat dari kegiatan industri. Adsorpsi menjadi salah satu metode yang efisien dan efektif dalam mengatasi permasalahan tersebut karena mudah untuk dioperasikan dan tidak memerlukan biaya yang tinggi. Penelitian ini dilakukan dengan memanfaatkan zeolit alam sebagai adsorben dengan proses aktivasi secara fisika dengan suhu 105 ^oC selama 4 Jam untuk tahap pengeringan dan tahap kalsinasi menggunakan tanur dengan suhu 550 ^oC selama 2 Jam. Selain itu, penelitian ini juga bertujuan untuk mempelajari mekanisme adsorpsi yang terjadi antara molekul Cu(II) dengan adsorben zeolit berdasarkan parameter dari beberapa model isotherm antara lain: Langmuir, Freundlich, Temkin, Jovanovic, dan Harkin-Jura. Hasil menunjukkan bahwa model isotherm Langmuir cocok untuk mendeskripsikan proses adsorpsi yang terjadi dengan nilai koefisien korelasi (R²) = 0,9542, qmax= 1,0375 mg.g^-1, K_L = 0,5463 L.mg^-1, dan R_L= 0,3210-0,9959. Berdasarkan model isotherm Langmuir, dapat disimpulkan bahwa proses adsorpsi Cu(II) oleh zeolit terjadi secara monolayer pada permukaan adsorben yang homogen.

Unduhan

Data unduhan belum tersedia.

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