Sasmita, Putri Septiara Aji (2024) Pengaruh Penambahan Na2CO3 Terhadap Peningkatan Kadar Garam Rakyat Menjadi Garam Industri Dengan Metode Hidroekstraksi Batch. Undergraduate thesis, UPN "Veteran" Jawa Timur.
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Abstract
The fulfillment of industrial salt needs in Indonesia is still supported by imports from other countries. This is because local salt in Indonesia does not yet meet the standards required by industry. According to the Indonesian National Standard (SNI), industrial salt must have a NaCl content of at least 97%. Meanwhile, local salt produced by the population has a NaCl content of 90.10% with Ca2+ impurities of 0.22%. In this study, the purification of local salt to be made into industrial salt was carried out by adding Na2CO3 with excess concentration variables of 0%, 5%, 10%, 15%, and 20%. The addition of Na2CO3 aims to bind the Ca2+ impurities contained in the local salt. Before the addition of Na2CO3, the local salt undergoes a washing process through batch hydro-extraction with extraction time variables of 20, 25, 30, 35, and 40 minutes using brine solution. The batch hydro-extraction washing of local salt aims to remove impurities contained on the surface of the local salt crystals. The purpose of this research is to transform local salt into industrial salt. The results of this study showed that the highest salt content obtained was 99.08% with Ca2+ impurities of 0.0001%.
| 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: | Putri Septiara Aji Sasmita | ||||||||
| Date Deposited: | 30 May 2024 09:27 | ||||||||
| Last Modified: | 30 May 2024 09:27 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/23376 |
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