TY - JOUR
T1 - Utilization of red mud waste into mesoporous ZSM-5 for methylene blue adsorption-desorption studies
AU - Tehubijuluw, Hellna
AU - Subagyo, Riki
AU - Yulita, Maulil Fatma
AU - Nugraha, Reva Edra
AU - Kusumawati, Yuly
AU - Bahruji, Hasliza
AU - Jalil, Aishah Abdul
AU - Hartati, Hartati
AU - Prasetyoko, Didik
N1 - Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
PY - 2021/7
Y1 - 2021/7
N2 - Red mud as industrial waste from bauxite was utilized as a precursor for the synthesis of mesoporous ZSM-5. A high concentration of iron oxide in red mud was successfully removed using alkali fusion treatment. Mesoporous ZSM-5 was synthesized using cetyltrimethylammonium bromide (CTABr) as a template via dual-hydrothermal method, and the effect of crystallization time was investigated towards the formation of mesopores. Characterization using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), N2 adsorption-desorption, scanning electron microscopy (SEM), and transmission electron microscopy (TEM) indicated the formation of cubic crystallite ZSM-5 with high surface area and mesopore volume within 6 h of crystallization. Increasing the crystallization time revealed the evolution of highly crystalline ZSM-5; however, the surface area and mesoporosity were significantly reduced. The effect of mesoporosity was investigated on the adsorption of methylene blue (MB). Kinetic and thermodynamic analysis of MB adsorption on mesoporous ZSM-5 was carried out at a variation of adsorption parameters such as the concentration of MB solution, the temperatures of solution, and the amount of adsorbent. Finally, methanol, 1-butanol, acetone, hydrochloric acid (HCl), and acetonitrile were used as desorbing agents to investigate the reusability and stability of mesoporous ZSM-5 as an adsorbent for MB removal. Graphical abstract: [Figure not available: see fulltext.].
AB - Red mud as industrial waste from bauxite was utilized as a precursor for the synthesis of mesoporous ZSM-5. A high concentration of iron oxide in red mud was successfully removed using alkali fusion treatment. Mesoporous ZSM-5 was synthesized using cetyltrimethylammonium bromide (CTABr) as a template via dual-hydrothermal method, and the effect of crystallization time was investigated towards the formation of mesopores. Characterization using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), N2 adsorption-desorption, scanning electron microscopy (SEM), and transmission electron microscopy (TEM) indicated the formation of cubic crystallite ZSM-5 with high surface area and mesopore volume within 6 h of crystallization. Increasing the crystallization time revealed the evolution of highly crystalline ZSM-5; however, the surface area and mesoporosity were significantly reduced. The effect of mesoporosity was investigated on the adsorption of methylene blue (MB). Kinetic and thermodynamic analysis of MB adsorption on mesoporous ZSM-5 was carried out at a variation of adsorption parameters such as the concentration of MB solution, the temperatures of solution, and the amount of adsorbent. Finally, methanol, 1-butanol, acetone, hydrochloric acid (HCl), and acetonitrile were used as desorbing agents to investigate the reusability and stability of mesoporous ZSM-5 as an adsorbent for MB removal. Graphical abstract: [Figure not available: see fulltext.].
KW - Adsorbent
KW - Adsorption
KW - Desorption
KW - Mesoporous ZSM-5
KW - Methylene blue
KW - Red mud
UR - http://www.scopus.com/inward/record.url?scp=85102525010&partnerID=8YFLogxK
U2 - 10.1007/s11356-021-13285-y
DO - 10.1007/s11356-021-13285-y
M3 - Article
C2 - 33712959
AN - SCOPUS:85102525010
SN - 0944-1344
VL - 28
SP - 37354
EP - 37370
JO - Environmental Science and Pollution Research
JF - Environmental Science and Pollution Research
IS - 28
ER -