EFISIENSI ADSORPSI CONGO RED OLEH HIDROKSI LAPIS GANDA CdIn MENGGUNAKAN METODE KOPRESIPITASI DENGAN PENGARUH VARIASI KONSENTRASI, pH, SUHU,DAN WAKTU ADSORPSI

NURHAFIZAH, PUTRI and Gulo, Fakhili and Haryani, Maefa Eka (2024) EFISIENSI ADSORPSI CONGO RED OLEH HIDROKSI LAPIS GANDA CdIn MENGGUNAKAN METODE KOPRESIPITASI DENGAN PENGARUH VARIASI KONSENTRASI, pH, SUHU,DAN WAKTU ADSORPSI. Undergraduate thesis, Sriwijaya University.

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Abstract

Limbah congo red bersifat karsinogenik, dan sulit dihilangkan. Limbah congo red dapat dihilangkan melalui proses adsorpsi Hidroksi Lapis Ganda-CdIn (HLG-CdIn) menjadi adsorben pertama kali yang berhasil dipreparasi dengan metode kopresipitasi. Spektrum FTIR menunjukkan -OH yang membuktikan terbentuknya HLG. Ion sulfit, ikatan -NH, dan ikatan C-C yang menunjukkan penyerapan congo red. Melalui uji BET menghasilkan luas permukaan 29.618 m2/g. Adsorben memiliki struktur layer berlapis dengan kandungan unsur dominan yaitu kadmium yang dibuktikan dengan uji SEM-EDX. Uji XRD menunjukkan puncak difraksi 15.38º ; 16.26º ; 36.68º adanya senyawa Cd(OH)2, puncak difraksi 30.42º adanya senyawa InOH3. pH optimum adsorpsi berada pada pH 8. Penyerapan congo red bereaksi endotermik dan spontan pada suhu tinggi. Model uji kinetika yang digunakan yaitu PSO. Adsorpsi terjadi pada permukaan heterogen dengan kapasitas penyerapan maksimum 192,31 mg/g. Regenerasi HLG-CdIn dapat dilakukan sebanyak 4 kali.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: HLG-CdIn, adsorpsi, congo red
Subjects: L Education > L Education (General) > L7-991 Education (General)
Q Science > QD Chemistry > QD1-999 Chemistry
Divisions: 06-Faculty of Education and Educational Science > 84204-Chemistry Education (S1)
Depositing User: Putri Nurhafizah
Date Deposited: 09 Jan 2025 03:01
Last Modified: 09 Jan 2025 03:01
URI: http://repository.unsri.ac.id/id/eprint/163249

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