Phytoremediation using water hyacinth (Eichhornia crassipes) was conducted to reduce the COD, Cu, and Cr contents of liquid waste of the Udayana University Analytical Laboratory

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Abstract

By : Yuliana Herman Welhelmus Djo

Email : yulianaherman97@yahoo.co.id

Faculties : Fakultas Matematika dan Ilmu Pengetahuan Alam

Department : S1 Kimia

Phytoremediation using water hyacinth (Eichhornia crassipes) was conducted to reduce the COD, Cu, and Cr contents of liquid waste of the Udayana University Analytical Laboratory. The study was conducted by allowing 840 grams of water hyacinth to grow in 5 dm3 of the liquid waste for 14 days. The COD, Cu and Cr concentrations in the liquid waste were measured everyday for 14 days, to determine the reduction efectivity and the adsorption capacity of the water hyacinth on those parameters. Results show that all parameters dropped within the 14 day treatment from 47,04; 0,375; and 2,58 mg/L to 26,34; 0,111; and 0,72 mg/L for COD, [Cu], and [Cr] respectively. The reduction efectivity for the respective parameters were 42,36%, 68,73%, and 42,4%. The adsorption capacity were 0,1232; 0,0016; and 0,0051 mg/g water hyacinth respectively.

Keyword : Adsorption,COD,Eceng Gondok,Liquid Waste,Phytoremediation

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