Biosorption of Eriochrome Black T Using Exserohilum rostratum NMS1.5 Mycelia Biomass

Endar Hidayat, Saranya Khaekhum, Seiichiro Yonemura, Yoshiharu Mitoma and Hiroyuki Harada ()
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Endar Hidayat: Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Hiroshima, Japan
Saranya Khaekhum: Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Hiroshima, Japan
Seiichiro Yonemura: Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Hiroshima, Japan
Yoshiharu Mitoma: Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Hiroshima, Japan
Hiroyuki Harada: Graduate School of Comprehensive and Scientific Research, Prefectural University of Hiroshima, Shobara 727-0023, Hiroshima, Japan

J, 2022, vol. 5, issue 4, 1-8

Abstract: The presence of eriochrome black T (EBT) dye in waste water causes a significant hazard to human health and ecology. In the current study, biosorption was employed to eliminate EBT from water. Thus, we utilized endophytic fungi strain Exserohilum rostratum NMS1.5 mycelia biomass as biosorbent agent. The process was carried out at room temperature by magnetic stirring. The results indicated that an increase in pH would decrease adsorption capacity and removal percentage. In addition, an increased EBT concentration would decrease the removal percentage and increase biosorption capacity. The equilibrium time indicated that after 300 min of mixing, the percentage removal and biosorption capacity were 80.5% and 100.61 mg/g, respectively. The biosorption isotherms and kinetics were compatible with the Freundlich model and the pseudo-second-order. This research indicates that E. rostratum NMS1.5 may be utilized as an environmentally friendly and affordable alternative biosorbent material for EBT removal.

Keywords: Exserohilum rostratum NMS1.5; eriochrome black T; dye; biosorption (search for similar items in EconPapers)
JEL-codes: I1 I10 I12 I13 I14 I18 I19 (search for similar items in EconPapers)
Date: 2022
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