Wibowo, Joko Setyo (2024) Analisis Pengaruh Penambahan Massa Nanoselulosa dari Limbah Tandan Kosong Kelapa Sawit terhadap Sifat Fotokatalisis Komposit CuO/Nanoselulosa untuk Degradasi Methylene Blue. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Salah satu limbah cair industri tekstil yang menjadi permasalahan hingga saat ini adalah methylene blue (MB) yang bersifat toksik, karsinogenik, dan tidak dapat terurai secara alami. Di sisi lain, Indonesia merupakan negara penghasil kelapa sawit terbesar di dunia yang mana terdapat limbah yang dihasilkan yaitu Tandan Kosong Kelapa Sawit (TKKS). TKKS memiliki kandungan selulosa 33,25% yang dapat dimanfaatkan menjadi nanoselulosa. Nanoselulosa menunjukkan sifat yang sangat baik seperti biodegrabilitas, ekonomis, dan luas permukaan aktif yang besar (2,274 m2/g) sehingga sesuai untuk diaplikasikan sebagai material fotokatalis. Fotokatalis adalah material yang mengubah laju reaksi kimia dengan bantuan paparan cahaya dan reaksinya berlangsung dengan memanfaatkan cahaya dan semikonduktor. CuO sebagai semikonduktor tipe-p memiliki celah pita yang kecil (1,824 eV). Ketika digabungkan dengan CuO, nanoselulosa dapat memperluas total luas permukaan CuO sehingga diharapkan dapat meningkatkan aktivitas fotokatalisis untuk mendegradasi limbah methylene blue pada industri tekstil guna mewujudkan circular economy. Metode penelitian ini adalah eksperimen yang terdiri dari sintesis mikroselulosa, sintesis nanoselulosa, sintesis komposit CuO/nanoselulosa dengan penambahan massa nanoselulosa 5%, 15%, 25%, dan 35%, dan pengujian fotokatalisis. Karakterisasi yang dilakukan meliputi XRD, FTIR, SEM/EDX, PSA, dan BET. Performa fotokatalis diketahui dengan pengujian fotokatalisis dan UV-Vis. Pengujian karakterisasi menunjukkan bahwa komposit CuO/nanoselulosa berhasil disintesis. Nanoselulosa yang disintesis memiliki diameter 229,8 – 310,7 nm dengan luas permukaan aktif 2,274 m2/g. Komposit CuO/nanoselulosa dengan penambahan massa nanoselulosa 5%, 15%, 25%, dan 35% berhasil mendegradasi limbah methyelene blue selama satu jam dengan persen degradasi sebesar 99,90%.
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One of the liquid wastes from the textile industry that is currently a problem is methylene blue (MB), which is toxic, carcinogenic and cannot be decomposed naturally. On the other hand, Indonesia is the largest palm oil producing country in the world where the waste produced is Oil Palm Empty Fruit Bunches (OPEFB). OPEFB has a cellulose content of 33.25% which can be utilized to make nanocellulose. Nanocellulose shows excellent properties such as biodegradability, economy, and large active surface area (2,274 m2/g) making it suitable for application as a photocatalyst material. Photocatalysts are materials that change the rate of chemical reactions with the help of exposure to light and the reactions take place using light and semiconductors. CuO as a p-type semiconductor has a small band gap (1.824 eV). When combined with CuO, nanocellulose can expand the total surface area of CuO so it is hoped that it can increase photocatalysis activity to degrade methylene blue waste in the textile industry to realize a circular economy. This research method is an experiment consisting of microcellulose synthesis, nanocellulose synthesis, CuO/nanocellulose composite synthesis with the addition of nanocellulose masses of 5%, 15%, 25%, and 35%, and photocatalysis testing. The characterization carried out included XRD, FTIR, SEM/EDX, PSA, and BET. The performance of the photocatalyst was determined by photocatalysis and UV-Vis testing. Characterization tests showed that the CuO/nanocellulose composite was successfully synthesized. The synthesized nanocellulose has a diameter of 229.8 – 310.7 nm with an active surface area of 2,274 m2/g. The CuO/nanocellulose composite with the addition of nanocellulose masses of 0.1 g, 0.3 g, 0.5 g, and 0.7 g succeeded in degrading mthyelene blue waste for one hour with the respective degradation percentages varying at 56.36%, 72 .47%, 90.17%, 99.74%, and 127.65%.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | CuO, Photocatalyst, Methylene Blue, Nanocellulose, Empty Palm Oil Fruit Bunches, CuO, Fotokatalis, Methylene Blue, Nanoselulosa, Tandan Kosong Kelapa Sawit |
| Subjects: | Q Science > QD Chemistry > QD716 Photocatalysis. |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Joko Setyo Wibowo |
| Date Deposited: | 05 Feb 2024 02:00 |
| Last Modified: | 05 Feb 2024 02:00 |
| URI: | http://repository.its.ac.id/id/eprint/106061 |
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