Biosorption of Cu(II) Ions Using Living Microalgae Chlorella sp.: Effects of Microalgae Concentration, Salinity, and Light Color

Autor: Kevin Cleary Wanta, Catherine, Arry Miryanti, Anastasia Prima Kristijarti
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: International Journal of Technology, Vol 14, Iss 1, Pp 195-205 (2023)
Druh dokumentu: article
ISSN: 2086-9614
2087-2100
DOI: 10.14716/ijtech.v14i1.4995
Popis: Chemical industry wastewater containing metals must be treated so as not to threaten the environment or human life. One of the wastewater treatments is the biosorption process using living microalgae. Although living microalgae can provide better results as a biosorbent, the mechanism of this biosorption process is complex because it involves two steps of the process, active and passive uptake, which run simultaneously. In addition, several process parameters need to be adjusted for the biosorption process to operate optimally. This study aims to investigate the effect of several parameters such as microalgae concentration, salinity, and light color. Synthetic CuSO4 solution at a concentration of 40 mg/L and pH 5 is used as artificial waste, while microalgae Chlorella sp. is used as biosorbent. The biosorption process was operated in a batch system at room temperature for 6 days. The experimental results show that 96.83% of the Cu(II) ions could be removed when the microalgae concentration, salinity, and light color were conditioned at 1.5 x 106 cells/mL, 3,000 mg/L, and red light, respectively.
Databáze: Directory of Open Access Journals