Adsorption of Fe Metal Ions fromLaboratory Wastewater with Chitosan Isolated fromFish Scales

Laboratory wastewatercontains organic compounds and heavy metals, such as iron (Fe), manganese (Mg), chromium (Cr), and mercury (Hg). Thesepollute the environment,especially the groundwater. One alternative to processlaboratory wastewater by using adsorption method.The adsorption method requires an absorbent.The waste from fish scale was reported contains chitosan and can be applied as adsorbent materials. The paper reportsour preparation ofchitosanfrom fish scales. Then, it was applied as adsorbent, and studying the effect of chitosan weight / dose, pH,and stirringtime for removal of iron metals ion.The best Fe removal percentage of 99.82% was obtained by using thechitosan dose of 2 gand a stirring time of 60 minutes. The pH condition with the highestFe removalpercentage was at pH 4(99.98%). The optimum condition then applied to laboratory wastewater. The developed strategic was able to meetthe standard for water quality according to Minister of Environment Regulation No. 5 in2014.