Pradana, Wahyu Bita (2024) Pembuatan Pupuk Struvite dari Limbah Tambak Garam (Bittern) Dengan Proses Aerasi. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Salt production produces liquid waste known as “Bittern”, which is a saturated solution with mineral content such as Magnesium, Sodium, Phosphorus and several other minerals. The mineral content in Bittern can be used as raw material for making Struvite fertilizer. The formation of Struvite crystals can be done using the aeration method by injecting air into the wastewater using an aerator. The process is carried out by mixing the three solutions with the mineral content of Magnesium, Ammonium and Phosphate into a vertical reactor using a variation of excess NH4 + of 10%; 20%; 30%; 40%; 50% and varying the temperature by 30˚C; 40˚C; 50˚C; 60˚C; 70˚C. Both variables are run by flowing an air rate of 1 L/minute and maintaining the pH at pH 9. The process is stopped when the pH reaches 9. The sediment formed will then be filtered and then dried at room temperature. Furthermore, the struvite crystals that have been formed will be analyzed using the XRF and SEM methods. The best conditions are obtained at a temperature of 30℃ and excess NH4 + of 50%, namely with a Mg content of 15% and PO4 of 74.32%.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | wahyu bita pradana | ||||||||
| Date Deposited: | 18 Sep 2024 02:04 | ||||||||
| Last Modified: | 18 Sep 2024 02:04 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/29172 |
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