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Arief Adhiksana
Politeknik Negeri Samarinda
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OPTIMIZATION OF RICE HUSK HYDROLYSIS TIME INTO FURFURAL ASSISTED BY MICROWAVE Marinda Rahim; Arief Adhiksana; Mina Indriani
Konversi Vol 8, No 2 (2019): Oktober 2019
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v8i2.7013

Abstract

Rice production in East Kalimantan is quite high. In the process of milling usually rice husk obtained is about 20-30% from grains weight produced. The quite potential amount of rice husk  has not yet widely utilized, even though rice husk contains pentosan which can be processed into furfural by hydrolysis method.  The purpose of this research is to develop one step hydrolysis technique of rice husk into furfural  with  microwaves assistance to obtain the optimum time which can produce maximum furfural. In  this research 50 grams of rice husk was added with 500 mL of H2SO4 1% as the catalyst. The mixture was then hydrolyzed using microwave-assisted method with a time variety of 15, 30, 45, 60, 75, 90, 105 and 120  minutes.  The result of analysis by Gas Chromatography (GC) showed that the highest result of furfural was at 90 minutes with a yield of 2.923%.
PENGARUH WAKTU DAN TEMPERATUR HIDROLISIS DALAM PROSES SINTESIS FURFURAL DARI SEKAM PADI DENGAN MENGGUNAKAN METODE HIDROLISIS DAN DEHIDRASI Cindi Amborowati; Uni Adriani; Indah Lukyta Aditya; Hanifati Feviasari; Tidar Kumala Hastin; Arief Adhiksana
Journal of Research and Technology Vol. 2 No. 2 (2016): JRT Volume 2 No 2 Des 2016
Publisher : 2477 - 6165

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (109.415 KB)

Abstract

Rice fields in East Kalimantan is one of productive land. It looks from many piles of rice husk waste in rice milling. The rice husk waste has not been used much, so this research used the rice husk waste as raw material of furfural manufacturing. This research has three stages, there are raw material preparation, hydrolysis, and product analysis. At the preparation stage, rice husk is diminished to 100 mesh, then dried in oven. Hydrolysis process used sulfuric acid 1% as catalyst with the variation times were 10, 40, 70, 100, 130 (minutes) and temperature are 30, 50, 70, 90, 105 (°C). Then hydrolysis result was filtered and the filtrate was quantitatively analyzed by volumetric method. Highest result of time variation obtained was at 130 minutes with furfural concentration as much 8,182 mol/L, while highest result of temperature variation obtained was at 105 °C with furfural concentration as much 10,741 mol/L. Keywords: Sulfuric Acid, Furfural, Hydrolysis, Rice Husk.
PERBANDINGAN METODE KONVENSIONAL EKSTRAKSI PEKTIN DARI KULIT BUAH PISANG DENGAN METODE ULTRASONIK Arief Adhiksana
Journal of Research and Technology Vol. 3 No. 2 (2017): JRT Volume 3 No 2 Des 2017
Publisher : 2477 - 6165

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Abstract

The Banana is the most widely produced fruit in Indonesia with waste of banana peel about 1/3 of the fruit. If the banana peel is not utilized in large quantities it will cause environmental problems and is a waste of resources because the waste can still be utilized. The Banana peel contains a variety of compounds such as pectin 10-21%. Based on its content, banana peels have potential as a source of pectin. Pectin can be utilized in various industries of making jelly, jam, gelling, thickener, stabilizer and emulsifier. The purpose of this study was to find the influence of ultrasonic and mass on pectin yield. This research was conducted by using ultrasonic method extraction using 0.05 N HCl solvent of 400 mL and extraction temperature of 60oC. variation of mass in this research are 5, 10, 20, 30 and 40 grams. The highest yield obtained in ultrasonic method is 20.0008 gram with yield of 25,59%. The conventional method only can reach 18,3%. Keywords: Conventional, Banana peel skin, Ultrasound, Yield of pectin.
PENGARUH JUMLAH PELARUT PADA PROSES EKSTRAKSI MINYAK KAYU CENGKEH MENGGUNAKAN MICROWAVE Arief Adhiksana; Kusyanto
Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015
Publisher : 2477 - 6165

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Abstract

Clove oil is usually produced from the leaves and flowers, while the twigs cloves actually have potential to be exploited. One of the latest methods that can be used is the microwave assisted extraction. The advantages of microwaves is its ability to deliver energy directly to all material, so it can save time compared to conventional extraction methods. This research aims to study the effect of solvents on the extraction using microwaves. The solvent is water because the polar so very good at absorbing microwave. The variables studied were the weight (75-150 grams) and volume of solvent (400-500 ml) , while the microwave power of 264 W. The choice of wood clove oil yield was obtained of 3.89 % on the amount of solvent to 500 ml with weight is 150 grams.
HIDROLISIS AMPAS TEBU MENJADI FURFURAL DENGAN KATALISATOR ASAM SULFAT BERBANTUKAN GELOMBANG MIKRO Arief Adhiksana; Cantika Nawang Wulan; Nurul Hidayatul Islamiyah
JURNAL TEKNIK KIMIA VOKASIONAL (JIMSI) Vol 2, No 1 (2022): JURNAL TEKNIK KIMIA VOKASIONAL (JIMSI)
Publisher : Politeknik Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (705.041 KB) | DOI: 10.46964/jimsi.v2i1.1472

Abstract

Tebu yang merupakan bahan proses pembuatan gula memiliki tingkat produksi yang tinggi di Indonesia. Hasil samping dari proses ini berupa ampas tebu yang jumlahnya mencapai 35–40% dari tebu gilingan. Pemanfaatan kembali ampas tebu masih belum optimal, padahal ampas tebu kaya akan pentosan dengan persentase 29,97% yang dapat diolah menjadi furfural dengan metode hidrolisis. Tujuan dari penelitian ini adalah mengetahui pengaruh konsentrasi katalisator asam sulfat dan waktu hidrolisis dalam pembuatan furfural dari ampas tebu berbantukan gelombang mikro. Pada penelitian ini ampas tebu dikeringkan dan diayak dengan ukuran -20 +70 mesh. Proses dijalankan menggunakan 15 gram ampas tebu pada variasi konsentrasi asam sulfat antara 1,5 M sampai dengan 3,5 M sebanyak 450 mL dan variasi waktu hidrolisis antara 20 menit sampai dengan 40 menit. Campuran dihidrolisis dengan bantuan gelombang mikro berdaya 600 W 50 Hz. Hidrolisat disaring dan filtratnya ditambahkan dengan kloroform untuk memisahkan furfural dengan sisa asam dan air. Produk furfural dianalisa kualitatif menggunakan anilin asetat dan analisa kuantitatif dengan Gas Chromatography (GC). Berdasarkan hasil analisa kualitatif, perubahan warna sampel dari kuning menjadi merah menandakan terbentuknya furfural. Akan tetapi, konsentrasi furfural yang didapatkan masih belum diketahui hasilnya secara kuantitatif menggunakan GC. 
PEMANFAATAN GELOMBANG MIKRO DALAM EKSTRAKSI ANTOSIANIN DARI KULIT BUAH NAGA SEBAGAI PENGGANTI RHODAMIN B UNTUK SEDIAAN PEWARNA BIBIR ALAMI Arief Adhiksana; Andi Jumardi; Kusyanto; Rina Andriani
Journal of Research and Technology Vol. 3 No. 1 (2017): JRT Volume 3 No 1 Jun 2017
Publisher : 2477 - 6165

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Abstract

Today, microwave can be used in various chemical processes. The advantage of microwaves is able to deliver energy directly to the material. One of microwave application is the extraction process of natural materials. Microwaves can be used to reduce extraction process time of the anthocyanin from the dragon fruit skin. This research aims to determine the solvent extracted effect to the anthocyanin extraction of dragon fruit skin using microwaves. The solvent used was 95% ethanol, 85% ethanol, 75% ethanol, 95% ethanol –citric acid, 85% ethanol -acids and 75% - citric acid ethanol to the anthocyanin extraction results of dragon fruit skin extracted using microwaves. The consumption of microwave power is 400 watt with 50 gram of dragon fruits skin. Then, anthocyanin extracts are mixed with supporting materials to be made as lipstick and proposed for topical and favorite test. The best yield can be obtained by using ethanol-citric acid solvent at 25,031%.
Pelatihan Pengolahan Hasil Pirolisis dari Limbah Plastik Menjadi Bahan Bakar Minyak di Kelurahan Bukuan: Training on the Processing of Pyrolysis Products from Plastic Waste into Fuel Oil in Bukuan Ramli Thahir; Alwathan; Abdul Halim; Arief Adhiksana; Syahrir Jalil; Dyah Kusrihandayani; Abdul Rahman; Andari Awalia; Emy Agustina; Imam Cahyo Wicaksono; Muamar
Jurnal ETAM Vol. 3 No. 2 (2023): OCTOBER
Publisher : Politeknik Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46964/etam.v3i2.574

Abstract

Tujuan kegiatan ini adalah untuk memperkenalkan Pengabdian Penerapan Teknologi Tepat Guna (PPTTG) pengolah sampah plastik menjadi bahan bakar alternative dengan metode pirolisis. Produk yang diperoleh dapat dimanfaatkan sebagai bahan bakar alternative penyulingan minyak atsiri sehingga mempunyai nilai ekonomi. Pelatihan ini bekerja sama dengan Posyantek Patra Maju di Kelurahan Bukuan, Kecamatan Palaran Kota Samarinda. Target luaran yang diharapkan antara lain terbentuknya seorang kader baru yang peduli terhadap lingkungan dan mampu mengajak para masyarakat untuk dapat memanfaatkan sampah plastik tersebut, sehingga kesejahteraan keluarga dapat ditingkatkan. Hasil dari program pengabdian masyarakat yang telah dilakukan ini adalah sebagai berikut: aspek penerapan iptek produk pengolahan sampah plastik dipandang sangat efektif untuk membangun kepedulian masyarakat untuk senantiasa menjaga lingkungan, salah satu usahanya yakni pemanfaatan sampah plastik. Aspek manfaat yang dihasilkan dari program ini sangat besar yaitu meningkatkan kesadaran masyarakat untuk menjaga lingkungan agar bersih bebas sampah plastik, meningkatnya pengetahuan dan keterampilan masyarakat bidang pengolahan limbah sampah plastik yang sangat berdampak negatif menjadi bahan bakar alternative yang sangat bermanfaat serta menumbuhkan motivasi berwirausaha khususnya Posyantek Patra Maju, Kelurahan Bukuan, Kecamatan Palaran.
Co-Authors Abdul Halim Abdul Rahman Alwathan Andari Awalia Andi Jumardi Cantika Nawang Wulan Cindi Amborowati Dyah Kusrihandayani Emy Agustina Hanifati Feviasari Imam Cahyo Wicaksono Indah Lukyta Aditya Kusyanto Marinda Rahim Mina Indriani Muamar Nurul Hidayatul Islamiyah Ramli Thahir Rina Andriani Syahrir Jalil Tidar Kumala Hastin Uni Adriani