PENGARUH DOSIS ADSORBEN TERHADAP PROSES ADSORPSI RHODAMINE B MENGGUNAKAN LEMPUNG MAREDAN
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Date
2023-11
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Elfitra
Abstract
Clay is composed of alumina silicate minerals with a layered and porous crystal
structure and can act as an adsorbent in adsorption processes. This research aims to
determine the optimal adsorbent dosage (0.1; 0.3; 0.5; 0.7; 0.9 grams) in the
adsorption process of Rhodamine B using natural Maredan clay. Characterization
of Maredan clay was conducted before and after adsorption using Fourier
Transform Infrared (FTIR) to identify the functional groups present in the
adsorbent. The FTIR analysis of Maredan clay before and after adsorption revealed
the presence of functional groups such as O-H stretching, Si-O, and Al-O-Si, with
the addition of the C=C functional group after adsorption. The best condition was
observed at an adsorbent dosage of 0.9 g, with an adsorption efficiency of 94.11%
and an adsorption capacity of 2.6396 mg/g.
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Keywords
adsorption, adsorbent dosage, clay
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