MAULIDIFA, NUR AINI (2024) PENURUNAN LOGAM FE (AIR LIMBAH ARTIFISIAL) DENGAN BIOSORBEN CANGKANG MAGGOT DAN VARIASI PH. Undergraduate thesis, UPN VETERAN JAWA TIMUR.
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Abstract
The maggot shell is a black-colored prepupal part that is no longer used. In this study, a biosorbent was made from maggot shells to reduce iron metal ions in water. Iron is a type of metal commonly found in water. Excessive iron in water can cause toxicity to humans. Adsorption methods can be used to address this issue. This study aims to determine the effect of pH and particle size, the efficiency of maggot shell biosorbent in reducing iron metal ions by adsorption, and the adsorption kinetics. Efficiency and adsorption capacity were analyzed based on particle size (60, 100, and 140 mesh) and solution acidity (pH 5, pH 7, and pH 9). Additionally, kinetics were analyzed based on adsorption time (0 - 120 minutes) and calculated using the pseudo first-order and pseudo second-order models. The research results indicate that adsorption can reduce Fe metal ions by up to 99%. These results are also influenced by particle size, pH, and stirring time. Optimum adsorption occurs at a stirring time of 120 minutes and pH 9 with a biosorbent mass of 2 grams of size 140 mesh, with an efficiency of 99.25% and an adsorption capacity of 1.52 mg/g. Meanwhile, the best adsorption capacity occurs at a stirring time of 120 minutes and pH 5 with a biosorbent mass of 2 grams of size 140 mesh, resulting in an adsorption capacity of 2.00 mg/g and an adsorption efficiency of 78.31%. The analysis of Fe ion adsorption kinetics at pH 5 follows the pseudo first-order model, while at pH 7 and 9 it follows the pseudo secondorder model.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Nur Aini Maulidifa | ||||||||
| Date Deposited: | 29 May 2024 04:09 | ||||||||
| Last Modified: | 29 May 2024 04:09 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/23233 |
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