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All Journal Jurnal Inovasi Pendidikan Kimia Journal of Emerging Science and Engineering
Aris Bagus Pradana, Aris Bagus
Jurusan Kimia FM/PA Universitas Negeri Semarang Kampus Sekaran Gunungpati Semarang 50229
Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Environmental Science

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Journal : Journal of Emerging Science and Engineering

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Immobilized algae for heavy metals remediation in textile wastewater Pradana, Aris Bagus; Buchori, Luqman; Pratama, Wahyu Diski; Pratiwi, Wahyu Zuli; Hadiyanto
Journal of Emerging Science and Engineering Vol. 1 No. 2 (2023)
Publisher : BIORE Scientia Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jese.2023.10

Abstract

Textile wastewater has characteristics of concentrated color and containing high concentration of COD, BOD, N, P, and heavy metals. Some wastewater treatments have been developed for removal waste contaminant, especially heavy metal such as precipitation, evaporation, electroplating, ion exchange, and membrane process. These methods have disadvantages such as unpredictable of heavy metal, high reagent requirement, and generation of toxic sludge. Biosorption using immobilized algae give the alternative method to removal heavy metal in textile wastewater because of increased stability in the matrix. The main purpose of this research was to determine the adsorption of textile wastewater heavy metal using immobilized microalgae. The best ratio bead: wastewater (v/v) for removal heavy metal by immobilized microalgae of textile wastewater heavy metal in batch system was 1:3. Heavy metal Cu decreased as much as 89% with the highest final concentration of 0.2 ppm. Ability of Chlorella vulgaris and Spirulina platensis to reduce heavy metals Cr was 89% and 90% with a final concentration of 1.6 ppm and 1.5 ppm. Uptake heavy metal Cu and Cr of textile wastewater by Chlorella vulgaris reach 1.9 mg/g and 16.3 mg/g. Meanwhile for Spirulina platensis reach 1.7 mg/g and 14.7 mg/g. Based on the Langmuir equation, biosorption by Chlorella vulgaris have qmax and Kb value of heavy metal Cu was 1,984 mg/g and 0,014 mg/L.  On heavy metal Cr, qmax and Kb value were 15.873 mg/g and 0.079 mg/L. Spirulina platensis have qmax and Kb value of heavy metal Cu were 1,798 mg/g and 0,014 mg/L. On heavy metal Cr qmax and Kb value were 14.925 mg/g and 0.0445 mg/L. 
Co-Authors Hadiyanto Luqman Buchori Pratama, Wahyu Diski Pratiwi, Wahyu Zuli Soeprodjo Soeprodjo, Soeprodjo Winarni Winarni