Rhodamine-B Dyes Adsorption by Beads Alginate

Rahayu Rahayu*  -  Universitas Pattimura, Indonesia
Adriani Bandjar  -  Universitas Pattimura, Indonesia
Ninditha Clourisa Amaris Susanto  -  Universitas Sebelas Maret, Indonesia
Febi Indah Fajarwati  -  Universitas Islam Indonesia, Indonesia
Nguyen Thi Thanh Phuong  -  Vietnam National University of Ho Chi Minh City, Viet Nam

(*) Corresponding Author

Research has been carried out on the adsorption of rhodamine-b dye by alginate beads. The production of alginate granules was carried out at a concentration of 3.5% alginate powder. Identification of functional groups was carried out by FT-IR and water absorption test resulted in a maximum capacity of 96.24% at 90 minutes. Determination of adsorption capacity was carried out by UV-VIS spectrophotometer at a maximum contact time of 30 minutes and a maximum pH at pH 7, and resulted in adsorption maximum concentration at 30 ppm is 15.954 mg/L with adsorption capacity of 4.7862 mg/g

Keywords: Beads; Alginate; Adsorption; Dye; Rhodamine-B

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