SINTESIS ADSORBEN BERBASIS LIGNOSELULOSA DARI KAYU RANDU (Ceiba pentandraL.) UNTUK MENJERAP Pb(II) DALAM LIMBAH CAIR ARTIFISIAL

  • Astuti W
  • Susilowati N
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Abstract

Pada penelitian ini, limbah kayu randu digunakan sebagai adsorben untuk menjerap ion Pb (II) dalam larutan. Kayu randu yang telah direaksikan dengan NaOH dikarakterisasi dan diuji kemampuan adsorpsinya. Hasil penelitian menunjukkan bahwa pada serbuk kayu hasil reaksi dengan NaOH terlihat adanya pori dengan bentuk dan ukuran yang lebih seragam dengan luas permukaan spesifik 7,420 m2/g dan diameter pori 0.3 nm. Adsorpsi mencapai kesetimbangan pada 120 menit dengan kemampuan penjerapan sebesar 2,47 mg/g. Adsorpsi mengikuti model isotherm Freundlich dengan nilai tetapan KF sebesar 1,986 dan n sebesar 0,649. In this research, cotton wood waste was used to adsorb Pb(II) ion in the solution. Sodium hydroxide treated cotton wood was characterized its spesific surface area, pore size, morphology and functional group. Furthermore, it was tested its adsorption ability to adsorb ion Pb(II). The result show that the treated cotton wood has uniform pores. Its specific surface area and pore diameter are 7.420 m2/g and 0.3 nm, respectively. The equilibrium was achieved in 120 minutes. Adsorption ability of the adsorben is 2.47 mg/g. In the adsorption, Freundlich isotherm model fit with the experimental data with the value of KF and n are 1.986 and 0.649, respectively.

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APA

Astuti, W., & Susilowati, N. (2014). SINTESIS ADSORBEN BERBASIS LIGNOSELULOSA DARI KAYU RANDU (Ceiba pentandraL.) UNTUK MENJERAP Pb(II) DALAM LIMBAH CAIR ARTIFISIAL. Jurnal Bahan Alam Terbarukan, 3(2). https://doi.org/10.15294/jbat.v3i2.3697

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