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Title: | Delignifikasi Biomassa Accacia mangium melalui Teknik Mikrogelembung Oksigen dan Ozon |
Authors: | Achmadi, Suminar Setiati Salsabila, Luthfia Fitri |
Issue Date: | 2023 |
Publisher: | IPB University |
Abstract: | Delignifikasi pulp masih banyak menggunakan bahan kimia yang limbahnya
membahayakan lingkungan. Teknik ozonolisis dan mikrogelembung merupakan
salah satu teknologi prospektif dalam menjaga kebersihan lingkungan dan
mengurangi biaya operasional. Penelitian ini bertujuan menentukan selektivitas
delignifikasi (nisbah selulosa/lignin yang tersisa dalam biomassa), menetapkan
parameter terbaik dalam delignifikasi biomassa Acacia mangium, serta
mendeskripsikan seratnya. Sampel diozonolisis dalam 3 kondisi tingkat keasaman:
larutan asam oksalat dengan pH 3, dalam air dengan pH 7, dan dalam larutan NaOH
dengan pH 10. Ozon dialirkan melalui reaktor dalam bentuk mikrogelembung
dengan laju 3 L/menit selama 30, 45, atau 60 menit. Nilai selektivitas delignifikasi
terbaik ialah pada perlakuan asam selama 45 menit, yaitu 4,23. Ozonolisis
memberikan delignifikasi yang lebih baik daripada menggunakan alkali aktif dan
tetap unggul dalam segi ramah lingkungan, hemat energi, dan durasi reaksi.
Dimensi serat tidak banyak berkurang dibandingkan kontrol sehingga tidak
menurunkan kualitasnya untuk dijadikan bahan baku kertas kelas II. Pulp delignification still use many chemicals, which is harmful to the environment. Ozonolysis and microbubble techniques are one of the prospective technologies in maintaining environmental cleanliness and reducing operational costs. This study aims to determine delignification selectivity (cellulose/lignin ratio remaining in biomass), determine the best parameters in the delignification of biomass Acacia mangium, and describe the fiber quality as paper pulp. Ozonolysis was emploted under 3 acidity conditions: oxalic acid solution at pH 3, in water at pH 7, and in NaOH solution at pH 10. Ozon was flowed through the reactor in the form of microbubbles at a rate of 3 L/min for 30, 45, or 60 minutes. The best value of selectivity of delignification is in acid treatment for 45 minutes, which is 4.23. Ozonolysis provides better delignification than using active alkalis and still excels in terms of environmental friendliness, energy savin, and reaction duration. The dimensions of the fiber are not much reduced compared to the control, meaning that it does not reduce its quality to be used as raw material for paper, as class II. |
Description: | Tugas akhir tidak segera ditampilkan di repository |
URI: | http://repository.ipb.ac.id/handle/123456789/127140 |
Appears in Collections: | UT - Chemistry |
Files in This Item:
File | Description | Size | Format | |
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Cover-Skripsi Final_Luthfia Fitri Salsabila G44190089.pdf Restricted Access | Cover (Pembatasan) | 388.48 kB | Adobe PDF | View/Open |
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