CD Skripsi

Biosorben Arang Kulit Kayu Jabon Putih (Anthocephalus Cadamba Miq.) Untuk Adsorpsi Ion Logam Timbal (II)

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White jabon bark is one part of the white jabon tree (Anthocephalus cadamba Miq.) which has the largest cellulose content of 52.4%, which can be used as an adsorbent. This research aims to determine the efficiency and adsorption capacity of adsorbents in adsorbing metal ions lead(II) at optimum pH parameters, optimum contact time, and concentration optimum adsorbate. White jabon bark in this study was converted into charcoal through a carbonization process with variations in temperature and variations in carbonization time to obtain the best condition of white Jabon bark charcoal which is used as lead(II) heavy metal adsorbent. Characterization of Jabon bark charcoal adsorbent white is carried out using an FTIR instrument, to analyze cluster functions that play a role in the adsorption process. Use of SEM-EDS for analyzing surface morphology and determining the elements contained therein white jabon bark powder and charcoal. The adsorbent characterization results show a water content value of 1,75%, ash content of 13.72%, iodine adsorption capacity of 519.12 mg/g and methylene blue adsorbed 64.7828 mg/g with a surface area of 240,1964 m2 /g. Adsorption The optimum occurs at a pH variation of 6, contact time of 40 minutes and initial concentration metals at 140 mgL-1 with adsorption efficiency of 99.89% respectively; 99.88%; 99.85%. FTIR results show that there is a C-H bending functional group, C=C aromatic, C-N, C-H stretching aliphatic, C≡C, C=O carbonyl, and N-H groups. Results SEM-EDS shows the presence of the elements O, C, Ca, K, and Mg has a texture porous that is still covered with impurities because the activation process has not been carried out. The adsorption kinetics follows a second-order pseudo-equation, with eq y = 0,2159x – 0,0017 with a value of R2 = 1 and K = 27.4201 g/mg min, assuming a chemical adsorption process. The adsorption isotherm model follows the Langmuir equation with the equation y = 0,059x – 0,1374 with value R2 = 0,9891 which can be assumed to be an active site on the surface The adsorbent is homogeneous and forms a monolayer.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1903113862

Penerbit

Pekanbaru : Universitas Riau – FMIPA – Kimia., 2023

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1903113862

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

Mutia

Versi lain/terkait

Lampiran Berkas

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