Article Per Year (5 Year)
p-Index From 2021 - 2026
4.197
P-Index
This Author published in this journals
All Journal Reaktor Jurnal Teknik Kimia USU Jurnal Teknik Kimia Jurnal Teknologi Rekayasa Mesin Eksergi: Chemical Engineering Journal JURNAL INTEGRASI PROSES Konversi Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Indonesian Journal of Pure and Applied Chemistry Jurnal Purifikasi SENTIA 2016 Jurnal Penamas Adi Buana Industri Inovatif : Jurnal Teknik Industri Jurnal Inovasi Teknik Kimia Majamecha G-Tech : Jurnal Teknologi Terapan Jurnal Teknik Kimia USU IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Mestaka: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Kimia dan Lingkungan Journal Serambi Engineering (JSE)
Elvianto Dwi Daryono
Institut Teknologi Nasional Malang
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

Published : 45 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 45 Documents
Search

 1   2   3   4   5 
Sintesis dan Identifikasi Biodiesel dari Transesterifikasi Refined Palm Oil dengan Ko-pelarut Metil Ester Daryono, Elvianto Dwi; Dewi, Rini Kartika; Anggorowati, Dwi Ana
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 3 (2025): Desember
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i3.349

Abstract

The transesterification of refined palm oil (RPO) with methyl ester (FAME) as a cosolvent was investigated to enhance solubility and mass transfer, thereby accelerating the reaction and improving biodiesel yield. This study aimed to evaluate the effects of FAME co-solvent concentration and reaction time on the transesterification process of RPO. The reaction was conducted using 250 g of RPO with a molar ratio of oil to methanol of 1:6, 0.8 wt% KOH catalyst, a stirring speed of 100 rpm, and a reaction temperature of 70°C. The co-solvent concentration was varied from 0% to 15%, while the reaction time ranged from 5 to 30 minutes. The reaction was carried out in a two-neck flask, followed by distillation to remove impurities. The resulting product was analyzed using gas chromatography and physical property tests. The optimum conditions were achieved at 5% FAME co-solvent concentration and a reaction time of 30 minutes, yielding a crude biodiesel yield of 99%, a FAME concentration of 999,265 mg/L, and a density of 0.88 g/mL, which meet the biodiesel quality standard SNI 7182:2015. The use of FAME as a co-solvent improves process efficiency by eliminating the need for a co-solvent separation step at the end of the reaction.
Karakterisasi Produk Metil Ester Hasil Reaksi Interesterifikasi RPO (Refined Palm Oil) dengan Katalis Kalium Hidroksida Elvianto Dwi Daryono
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The transesterification process in biodiesel production is less effective because there is a separation stage of the glycerol byproduct. The interesterification process is more effective because the triacetin byproduct does not need to be separated and functions as an antioxidant in biodiesel. Stirring speed and catalyst are very important factors for a reaction to occur. Stirring will increase the frequency factor of collisions between reacting particles while the catalyst at a certain amount will accelerate the reaction. The study aims to determine the effect of stirring speed and KOH catalyst concentration on the interesterification reaction of RPO (Refined Palm Oil). The weight of RPO is 250 g, the mole ratio of oil: methyl acetate is 1: 6, stirring speed (200 - 60 rpm), KOH catalyst (0.25 - 0.75%), reaction temperature is 60℃ and reaction time is 1 hour. RPO, methyl acetate and KOH are put into a three-neck flask and the reaction is according to the operating conditions. After the reaction is complete, washing with hot water and CH3COOH is added to neutralize the KOH catalyst. The reaction products are separated with a separating funnel and the resulting phase is washed with distilled water until the pH is neutral. After that, it was distilled and the residue was the result of the reaction which was then analyzed for concentration with GC and its physical properties. The optimum conditions were obtained in the RPO interesterification reaction at a stirring speed of 300 rpm with 0.75% KOH catalyst which produced FAME with a concentration of 33,818 mg/L and an acid value of 0.438 mg KOH/g according to SNI 7182:2015.
PENGARUH KONSENTRASI KATALIS DAN KECEPATAN PENGADUKAN PADA SINTESIS BIODIESEL MINYAK KELAPA SAWIT DENGAN KO-PELARUT METIL ESTER Daryono, Elvianto Dwi; Dewi, Rini Kartika; Anggorowati, Dwi Ana
Indonesian Journal of Pure and Applied Chemistry Vol 9, No 1 (2026)
Publisher : Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/indonesian.v9i1.100312

Abstract

The transesterification process is hindered by the many processing steps required, and the results are often suboptimal. The interesterification process using a methyl ester co-solvent offers a solution to this issue. The methyl ester co-solvent accelerates the reaction and eliminates the need for a separation stage at the end of the process. This study aims to determine the effects of catalyst concentration and stirring speed on methyl ester yield in the interesterification of palm oil to biodiesel using a methyl ester co-solvent. A total of 250 g of oil was used, with an oil-to-methyl acetate molar ratio of 1:6. The reaction was carried out at 60 °C, using 15% co-solvent, a reaction time of 1 hour, KOH catalyst concentrations ranging from 0.25% to 1%, and stirring speeds between 600 and 1,000 rpm. The oil, methyl acetate, and catalyst were placed into a three-neck flask, and the reaction was conducted according to the specified operating conditions. Optimum conditions for palm oil interesterification were achieved with a KOH catalyst concentration of 0.5% and a stirring speed of 800 rpm, resulting in a crude yield of 93.1%, a methyl ester concentration of 43,654 mg/L, and an acid value of 0.42 mg KOH/g, meeting the requirements of SNI 7182:2015.
Biodiesel Production from Waste Cooking Oil via Interesterification Reaction: Effects of Cajuput Oil Biocatalyst Concentration and Reaction Time Wardhani, Briliant Saphira; Syamsi, Malikha; Daryono, Elvianto Dwi; Jimmy, Jimmy
G-Tech: Jurnal Teknologi Terapan Vol 10 No 1 (2026): G-Tech, Vol. 10 No. 1 January 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i1.9011

Abstract

Interesterification processes using homogeneous or heterogeneous catalysts generally require additional separation steps, reducing efficiency and increasing operational costs. Cajuput oil, whose main active compound is 1,8-cineole, contains aromatic functional groups that show potential as a biocatalyst and can be applied without a separation step at the end of the reaction, thereby improving process efficiency. This study aims to determine the optimum conditions for the interesterification of waste cooking oil based on cajuput oil biocatalyst concentration and reaction time. Waste cooking oil, methyl acetate, and cajuput oil biocatalyst at concentrations of 0.5–1.5% were reacted in a two-neck round-bottom flask reactor at 60°C, a stirring speed of 300 rpm, an oil-to-methyl acetate molar ratio of 1:6, and reaction times ranging from 20 to 100 min. After the reaction, unreacted methyl acetate was removed by distillation, and the residue was characterized as the final product. The optimum conditions were achieved at a biocatalyst concentration of 1% and a reaction time of 60 min, producing a crude yield of 78.80%, an acid value of 0.45 mg KOH/g, a density of 0.88 g/mL, and a viscosity of 2.94 cSt, which comply with SNI 7182:2015, along with a FAME concentration of 19,406.50 mg/L. The novelty of this research lies in the biodiesel production process that eliminates the separation of the by-product triacetin and the cajuput oil biocatalyst, as both function as bio-additives in the biodiesel. Consequently, the process becomes simpler and more efficient, without requiring lengthy or complex processing steps.
Minyak Atsiri dari Limbah Kulit Jeruk Lemon (Citrus Limon) sebagai Bahan Baku Biopestisida dengan Variasi Perbandingan Konsentrasi Bibit dan Jenis Tween Elvianto Dwi Daryono; Miraekel January Ekfar Princessa; Qori Kurrota Aini
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Salah satu upaya yang dilakukan petani untuk menjaga kualitas dan kuantitas hasil panen adalah dengan menggunakan pestisida kimia untuk memberantas hama. Namun, seiring berjalannya waktu penggunaan pestisida kimia semakin berlebihan. Mengingat bahwa pestisida kimia merupakan polutan, penggunaannya dapat menyebabkan terbentuknya radikal bebas serta kerusakan organ pada manusia dan hewan yang bukan menjadi sasaran petani. Kurangnya pengetahuan masyarakat mengenai pestisida kimia dan pestisida organik menyebabkan hanya sedikit petani yang beralih menggunakan pestisida organik untuk mengendalikan hama. Oleh karena itu, penelitian ini bertujuan untuk mengetahui tingkat keberhasilan dan efektivitas minyak atsiri kulit lemon sebagai biopestisida serta memperoleh komposisi perbandingan bahan dalam pembuatan biopestisida yang dapat diaplikasikan oleh masyarakat. Penelitian ini menggunakan dua jenis variabel, yaitu variabel tetap (volume total benih, konsentrasi Tween, konsentrasi minyak atsiri, jumlah jangkrik, dan waktu pengamatan) serta variabel bebas (konsentrasi benih dan jenis Tween). Hasil penelitian menunjukkan bahwa kondisi optimum diperoleh pada variabel konsentrasi benih sebesar 20% dengan jenis Tween 80 karena menghasilkan persentase kematian jangkrik sebesar 87% serta dapat meminimalkan biaya produksi. Berdasarkan hasil tersebut dapat disimpulkan bahwa penggunaan senyawa limonena yang terdapat dalam minyak atsiri kulit lemon dengan perbandingan komposisi konsentrasi benih 20% dan Tween 80 sebagai biopestisida sangat efektif dan memiliki tingkat keberhasilan yang memuaskan.
Co-Authors Adam Yonanda Adi Sintoyo Adrianus Chrisantus Rengga Ahmad Faizal Alfiniam Ahmad Isnaini, Ahmad Dio Ajeng Oktavian Dwi Ana Anggorowati Dwi Ana Anggorowati Dzaky Aqillah Fikriansyah Eka Maretyaningsih Agung Purwanti Endah Kusuma Rastini Erni Junita Sinaga Faidliyah Nilna Minah Febriara Fassa Aulia Rahman Firyaal Putri Verdina Fitri Icha Oryza Sativa Gunawan, Rendi Chandra Hadryza Anduanda Zahra Hudha, Mohammad Hutasoit, Gading F Imaniar Safitri Jimmy Jimmy Jimmy Kartika, Rini Lalu Mustiadi Maya Sista, Eliya Miftachul Arif Pratama Miraekel January Ekfar Princessa Mohammad Istnaeny Hudha MUYASSAROH Muyassaroh Muyassaroh Muyassaroh Nanik Astuti Rahman Puji Prasetyo, Angga Pursitta, Anggriarida Titta Qori Kurrota Aini Rendi Chandra Gunawan Rini Kartika Rini Kartika Dewi Rizky Nartika Nurfitri Sintoyo, Adi Siswi Astuti SYAIFUL BAHRI Syamsi, Malikha Theresia Sufin Tia Ardya Wahyu Cahyani Tri Poespowati Vina Nur Laily Wardhani, Briliant Saphira Zukhriyah Zukhriyah