ADSORPSI ZAT WARNA INDIGOSOL BLUE PADA ASAM HUMAT HASIL ISOLASI TANAH GAMBUT KALIMANTAN

Gita Citra Santi, NIM. 14630018 (2018) ADSORPSI ZAT WARNA INDIGOSOL BLUE PADA ASAM HUMAT HASIL ISOLASI TANAH GAMBUT KALIMANTAN. Skripsi thesis, UIN SUNAN KALIJAGA YOGYAKARTA.

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Abstract

There has been research on the isolation of humic acid and its interaction with indigosol blue. The objectives of this study were to isolate humic acid from Kalimantan peat soil and to study pH optimization, determination of adsorption kinetics and adsorption isotherm. Isolation of humic acid using alkali extraction method with NaOH as solvent and precipitated with HCl. Purification of humic acid using HCl and HF with ratio 1:1. Humic acid is characterized using FTIR spectroscopy to determine functional group. Based on the result FTIR characterization, absorption of humic acid was found in the wave number 3140,15 cm-1 which showed the vibration of -OH, 2924,09 cm-1 show vibration of aliphatic -CH, 1705 cm-1 show vibration -C = O of COOH, 1627,92 cm-1 show vibration of C=C aromatic and 1226,73 cm-1 indicate of -OH and CO from -COOH. Based on the result of research, optimation pH of indigosol blue at pH 5. Kinetic model of indigosol blue adsorption on humic acid follow pseudo first orde according Lagergren with reaction rate constant of 0.0308 g mol-1 min 1. Adsorption indigosol blue on acid humat follow Langmuir isotherm with adsorption capacity 1,98 mol-1 g with potential energy 15,668 kJ mol-1.

Item Type: Thesis (Skripsi)
Additional Information: Dr. Maya Rahmayanti, M.Si
Uncontrolled Keywords: humic acid, adsorption, dyestuff, indigosol blue
Subjects: Kimia
Divisions: Fakultas Sains dan Teknologi > Kimia (S1)
Depositing User: Drs. Mochammad Tantowi, M.Si.
Date Deposited: 06 Feb 2019 14:50
Last Modified: 06 Feb 2019 14:50
URI: http://digilib.uin-suka.ac.id/id/eprint/32943

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