Syukri, Syamsiar Hudawi (2026) SINTESIS ZEOLIT X DARI NATRIUM SILIKAT DAN NATRIUM ALUMINAT: PENGARUH PH DAN KONSENTRASI NATRIUM ALUMINAT TERHADAP KAPASITAS TUKAR KATION. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This study evaluates the influence of pH and sodium aluminate concentration on the cation exchange capacity (CEC) and ion-exchange performance of aluminosilicate-based zeolites for the treatment of heavy metal wastewater from the electroplating industry. The zeolites were synthesized via a sol–gel method with pH values ranging from 8–12 and sodium aluminate concentrations of 1–3 M. Material characterization was conducted using Scanning Electron Microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR), while ion-exchange performance was assessed using Ni2+ and Pb2+ ions as model contaminants. The results indicate that an increase in synthesis pH exhibits a direct correlation with CEC, with the maximum value achieved at pH 12. In contrast, variation in sodium aluminate concentration shows a nonlinear relationship with CEC, with an optimum at 1.5 M, yielding a CEC of 202.4144 meq/100 g. Morphological analysis confirms the formation of a characteristic zeolitic aluminosilicate framework with non-uniform particle aggregation. The zeolite synthesized under optimum conditions achieves removal efficiencies of 99.61% for Ni2+ and 99.00% for Pb2+. These findings demonstrate that synthesis parameters govern the physicochemical properties and ion-exchange performance of zeolites in heavy metal removal applications.
| 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: | Syamsiar Hudawi Syukri | ||||||||
| Date Deposited: | 31 Aug 2026 02:56 | ||||||||
| Last Modified: | 31 Aug 2026 02:56 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/58440 |
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