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All Journal REACTOR : Journal of Research On Chemistry And Engineering AKSELERASI: Jurnal Ilmiah Nasional
Suriaini, Nanda
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Social Sciences

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Intensifikasi Sintesis Diasetin dan Triasetin Melalui Esterifikasi Gliserol Dengan Katalis Berbasis Daun Bambu Fitri, Maysa; Marwan, Marwan; Syamsuddin, Yanna; Suriaini, Nanda
REACTOR: Journal of Research on Chemistry and Engineering Vol 5, No 1 (2024): Published in June 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v5i1.126

Abstract

The synthesis of acetins from glycerol is achieved through esterification assisted by a solid acid catalyst and microwave irradiation. Diacetin and triacetin, suitable as biofuel additives, are produced using biogenic silica from bamboo leaves, which is chemically activated with strong acid and calcined. No research has utilized silica catalysts derived from bamboo leaf ash to produce diacetin and triacetin. This study aims to employ bamboo leaf-based heterogeneous catalysts to enhance triacetin selectivity, simplify product purification and separation, and enable catalyst reuse. Furthermore, microwave application can accelerate the reaction time. The best total selectivity for diacetin and triacetin was obtained under operating conditions of 3% catalyst concentration, a 1:6 molar ratio, and 60 minutes of microwave irradiation. The yields of diacetin and triacetin under these conditions were 65.80% and 18.70%, respectively. GC-MS and FTIR analysis confirm the presence of monoacetin, diacetin, and triacetin, with a total selectivity for diacetin and triacetin of 84,50%.
GLISEROLISIS ASAM LEMAK BEBAS DALAM MINYAK SAWIT MENTAH MENGGUNAKAN GLISEROL MENTAH: OPTIMASI PROSES DENGAN CENTRAL COMPOSITE DESIGN (CCD) Suriaini, Nanda; Arpi, Normalina; Syamsuddin, Yanna; Supardan, Muhammad Dani
AKSELERASI: Jurnal Ilmiah Nasional Vol 6 No 3 (2024): AKSELERASI: JURNAL ILMIAH NASIONAL
Publisher : GoAcademica Research dan Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jin.v6i3.1135

Abstract

Perkebunan kelapa sawit menghasilkan sumber minyak penting untuk produksi pangan dan energi di Indonesia. Investigasi saat ini dilakukan untuk mengetahui pengaruh gliserolis menggunakan gliserol mentah terhadap kandungan ALB CPO. Gliserol yang diperoleh sebagai produk sampingan dari transesterifikasi dapat digunakan secara langsung untuk menurunkan ALB melalui reaksi gliserolisis. Metode respon permukaan menggunakan Central Composite Design (CCD) diimplementasikan untuk merancang eksperimen dan menentukan kondisi optimal. Kondisi optimal glisolisis yang menurunkan kandungan ALB CPO dari 6,15 menjadi 0,24% diperoleh dengan suhu reaksi 75,17 °C, kecepatan pengadukan 235,06 rpm, rasio molar gliserol terhadap ALB 3,57:1, dan katalis 0,98 % (b/b) selama 90 menit durasi reaksi. Modelnya signifikan, dengan nilai p < 0,0001 dan R2 0,95. Temuan ini dikonfirmasi keandalan modelnya dengan menjalankan kondisi optimal secara eksperimental, dengan hasil kandungan ALB sebesar 0,27%.
Intensifikasi Sintesis Diasetin dan Triasetin melalui Esterifikasi Gliserol dengan Katalis Berbasis Daun Bambu Fitri, Maysa; Marwan, Marwan; Syamsuddin, Yanna; Suriaini, Nanda
REACTOR: Journal of Research on Chemistry and Engineering Vol. 5 No. 1 (2024)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/

Abstract

The synthesis of acetins from glycerol is achieved through esterification assisted by a solid acid catalyst and microwave irradiation. Diacetin and triacetin, suitable as biofuel additives, are produced using biogenic silica from bamboo leaves, which is chemically activated with strong acid and calcined. No research has utilized silica catalysts derived from bamboo leaf ash to produce diacetin and triacetin. This study aims to employ bamboo leaf-based heterogeneous catalysts to enhance triacetin selectivity, simplify product purification and separation, and enable catalyst reuse. Furthermore, microwave application can accelerate the reaction time. The best total selectivity for diacetin and triacetin was obtained under operating conditions of 3% catalyst concentration, a 1:6 molar ratio, and 60 minutes of microwave irradiation. The yields of diacetin and triacetin under these conditions were 65.80% and 18.70%, respectively. GC-MS and FTIR analysis confirm the presence of monoacetin, diacetin, and triacetin, with a total selectivity for diacetin and triacetin of 84,50%.
Co-Authors Fitri, Maysa Marwan Marwan Muhammad Dani Supardan Normalina Arpi