Browsing by Author "FACHRI, Boy Arief"
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Alkaline Pretreatment Optimization of Tobacco Stalks for Bioethanol Production
PALUPI, Bekti; FITRIATI, Diana; VINKARISMA, Devadha Halida; FACHRI, Boy Arief; RAHMAWATI, Istiqomah; RIZKIANA, Meta Fitri; AMINI, Helda Wika (Atlantis Press, 2022)The sustainable biomass production of fuels, chemicals, and other commercial products from lignocellulosic materials has received widespread attention. One of the potential biomass resources to be developed into biofuels ... -
Analisis Gaya Potong pada Proses Bubut dengan Menggunakan Sensor Strain Gauge
A'LIYAH, Ita Faidlotul Himmatil (FAKULTAS TEKNIK, 2019-12-17)Proses bubut merupakan salah satu proses pembuatan bagian mesin dalam industri manukfatur. Persaingan didunia meningkat para produsen akan mengembangkan kualitas produk, pengurangan inspeksi, dan mengurangi total biaya ... -
Analisis Pengaruh Skala Diameter Combustor dengan Sudden Expansion pada Pe,bakaran Gas LPG (Liquified Petroleum Gas) Terhadap energi Output Pembakaran
MUHARYANTO, Danang; MULYADI, Santoso; FACHRI, Boy Arief (Jurnal Elemen, 2017-12-17)Perkembangan teknologi yang begitu pesat dewasa ini sangat mempengaruhi jumlah ketersediaan sumber-sumber energi yang tidak dapat diperbaharui yang ada di permukaan bumi yang disebabkan oleh penggunaan sumber energi tersebut, ... -
Analisis Tekanan Udara, Sudut Slip dan Ukuran Lebar Ban Tipe Radial Terhadap Rolling Resistance Dengan Metode Taguchi
DWILAKSANA, Dedi; FACHRI, Boy Arief; HABIBI, Ilham (Dinamika Teknik Mesin, 2018-01)Rolling resistance is one of the main factors af ecting the fuel ef iciency of a vehicle. Rolling resistance is resistance to the wheels that will and has been rolled due to the force of friction between the wheels with ... -
Analysis of the effect 3D printing parameters on tensile strength using Copper-PLA filament
DARSIN, Mahros; MAULUDY, Renald Rochman; HARDIATAMA, Intan; FACHRI, Boy Arief; RAMADHAN, Mochamad Edoward; PARNINGOTAN, Doddy (SINERGI, 2022-02-10)s research aims to find the optimal combination of parameters to obtain the maximum tensile strength of 3D printing products made of eCopper, which consists of 45% Cu and 55% PLA. The parameters used were nozzle temperature, ... -
Application of Response Surface Methodology in Optimization Condition of Anthocyanin Extraction Process of Cocoa Peel Waste with Microwave Assisted Extraction Method (MAE)
RAHMAWATI, Istiqomah; FACHRI, Boy Arief; MANURUNG, Yakub Hendrikson; NURTSULUSIYAH, Nurtsulutsiyah; REZA, Muhammad (IOP Publishing, 2021-05-31)Anthocyanins are present in high concentration in cocoa peels. A microwave-assisted extraction was used to extract the anthocyanins from cocoa peel by using aqueous ethanol solvent. Extraction process conditions such as ... -
Biobutanol production from cocoa pod husk through a sequential green method: Depectination, delignification, enzymatic hydrolysis, and extractive fermentation
MUHARJA, Maktum; DARMAYANTI, Rizki Fitria; FACHRI, Boy Arief; PALUPI, Bekti; RAHMAWATI, Istiqomah; RIZKIANA, Meta Fitri; AMINI, Helda Wika; PUTRI, Ditta Kharisma Yolanda; SETIAWAN, Felix Arie; ASROFI, Mochamad; WIDJAJA, Arief; HALIM, Abdul (Bioresource Technology Reports, 2022-11-26)The effect of various treatments on the production of reducing sugar and biobutanol from cocoa pod husk (CPH) through depectination, delignification, enzymatic hydrolysis, and fermentation was studied to obtain the ... -
Bioethanol used as Topical Antiseptics: Pretreatment Optimization of Bioethanol Production from Tobacco Industrial Waste
PALUPI, Bekti; FACHRI, Boy Arief; RAHMAWATI, Istiqomah; SUSANTI, Ari; SETIAWAN, Felix Arie; ADINURANI, Praptiningsih Gamawati; MEL, Maizirwan (Annals of Tropical Medicine & Public Health, May 2020 Vol. 23 Issue 8, 2020-05-01)Bioethanol can be used for biosolvents and antiseptics material in the pharmaceutical industry. With the abundance of tobacco production in Jember, East Java, Indonesia, tobacco stalks become a promising biomass raw ... -
Effect of 3D Printing Parameters on Dimensional Accuracy Using eSteel Filaments
DARSIN, Mahros; MAHARDIKA, Nurcholis Alfian; JATISUKAMTO, Gaguk; RAMADHAN, Mochamad Edoward; FACHRI, Boy Arief; HUSSIN, Mohd Sabri (Journal of 3D Printing and Additive Manufacturing, 2021-10-16)3D printing technology or additive manufacturing is manufacturing by adding materials to objects until it is shaped as expected. This technique is easy and cheap for printing pol-ymer-based materials in the form of ... -
Effect of Time Variation on Chlorophyll Concentration in Cocoa Leaf Extraction using the UAE (Ultrasonic Assisted Extraction) Method
RAHMAWATI, Istiqomah; SHABRINA, Nadhilah; FACHRI, Boy Arief; AMINI, Helda Wika; PALUPI, Bekti; RIZKIANA, Meta Fitri; NURTSULUTSIYAH; PRADIPTA, Shima Nuril; AFWAL, Diza Raudhatul; REZA, Muhammad (Jurnal Kartika Kimia, 2022-11-24)Until now, Cocoa (Theobroma cacao L.) plantation is a sector that has been continuously cultivated. Cocoa leaves contain chlorophyll, which is an important pigment in photosynthesis as sunlight absorber. The aim of this ... -
Experimental and Kinetic Modeling Studies on the Sulfuric Acid Catalyzed Conversion of D‑Fructose to 5‑Hydroxymethylfurfural and Levulinic Acid in Water
FACHRI, Boy Arief; ABDILLAH; HANK H. van de Bovenkamp; RASRENDRA, Carolus B. (2016-08-31)Levulinic acid (LA) and 5-hydroxymethylfurfural (HMF) have been identified as promising biomass-derived platform chemicals. A kinetic study on the conversion of D-fructose to HMF and LA in water using sulfuric acid as the ... -
An Experimental Study on Thermal Catalytic Decomposition of Inulin to 5‑Hydroxymethylfurfural And Levulinic Acid and Effect of c6 on Furfural During Decomposition Process
FACHRI, Boy Arief (International Symposium of Indonesian Chemical Engineering (ISIChem), 2019-06-04)The attractive biobased platform chemicals, 5-Hydroxymethylfurfural (HMF) and Levulinic Acid (LA), are commonly produced by the conversion of monomeric sugars. Nevertheless, a polymeric sugar such as inulin shows promising. ... -
Extraction Bioactive Compound of Pegagan (Centella Asiatica L.) using Solvent-Free Microwave-Assisted Extraction
RAHMAWATI, Atiqa; OKTAVIA, Safira; ABRORI, Farhan; FACHRI, Boy Arief (International Conference on Chemical and Material Engineering (ICCME 2020), 2021-02-25)Gotu Kola (Centella asiatica L.), known as pegagan is a plant with many benefits, including used to repair burns, hypertrophic wound healing, and as an inflammatory agent. C. asiatica grows in tropical Asia and grows in ... -
Fabrication of Magnetic Activated Carbon from Spent Coffee Ground by Hydrothermal Synthesis for Methylene Blue Removal
RIZKIANA, Meta Fitri; HIDAYATULLAH, Hidayatullah; ROSALINA, Adelia; FACHRI, Boy Arief; HARADA, H. Harada (International Conference on Chemical and Material Engineering, 2021-02-01)Spent coffee ground-based magnetic activated carbon (MSC) was prepared using hydrothermal synthesis and utilized for the adsorption of methylene blue (MB). The MSC was made using the following conditions: the molar ratio ... -
Heating Ethanol-Gasoline Fuel Mixture to Improve Performance and Reduce Exhaust Emissions at Gasoline Engine - A Review
IKHSANI, Akbar Anugrah; ILMINNAFIK, Nasrul; FACHRI, Boy Arief (AIP Conference Proceedings, 2020-09-26)Today's dependence on fossil fuels causes shrinkage of fossil fuel in the earth, especially in industrial sector and transportation that is highly depended on petroleum. Industry and transportation agents have changed the ... -
Heating Treatment of Air in Combustion Chamber For The Use of Mixture Ethanol and Gasoline Fuel
NUGRAHA, Akbar; KUSTANTO, M. Nurkhoyim; FACHRI, Boy Arief (International Conference on Advanced Science and Technology, 2021-02-22)This research was conducted to improve the engine performance with ethanol and gasoline mixture, because from fuel mixture with high concentrate causes value of flash point and heat evaporation fuels becomes higher. To ... -
Hydrolysis Optimization of Tobacco Stems with Ultrasonicassisted Hydrolysis Method
PALUPI, Bekti; FACHRI, Boy Arief; FADILAH, Siska Nuri; TELUSSA, Matthew Maximilian (IOP Conference Series: Materials Science and Engineering, 2021-02-25)The development of biofuel in Indonesia is rife to reduce the consumption of fuel oil. Bioethanol has advantages compared to fuel oil, such as lower carbon monoxide emissions making it environmentally friendly. Besides ... -
Implementasi Pengolahan Limbah Cair Industri Tempe Berbasis Eco-Friendly Dan Zero Waste pada UKM Tempe Di Desa Jambesari Kabupaten Bondowoso
PALUPI, Bekti; RAHMAWATI, Istiqomah; RIZKIANA, Meta Fitri; REZA, Muhammad; FACHRI, Boy Arief; MUSYAFA, Reswara; MAHARANI, Regita Gustiayu Pramisti; NOR, Mohammad (Jurnal Pengabdian Masyarakat, 2022-12-01)Salah satu industri tempe yang ada di Desa Karang Malang, Jambesari, Bondowoso, Jawa Timur yaitu Industri Tempe Fatimah. Tempe Fatimah mendapatkan respon positif dari masyarakat sehingga produksinya pun meningkat. ... -
A Kinetic Study on Supercritical Carbon-dioxide Extraction of Indonesian Trigona sp. Propolis
FACHRI, Boy Arief; RIZKIANA, Meta Fitri; AL FAJRI, M. Maktum Muharja (IOP Conf. Series: Materials Science and Engineering 742 (2020) 012001, 2020-03-09)This work is to investigate the supercritical CO2 extraction of Indonesian Trigona sp. raw propolis. The kinetic study was conducted at CO2 mass flowrate of 15 g/min, the temperature of 50 °C and pressure (250-350 bar). ... -
Laminar Burning Velocity of Calophyllum inophyllum Methyl Ester on Perforated Burner
BACHTIAR, Hemas Hafidh; FACHRI, Boy Arief; ILMINNAFIK, Nasrul (AIP Conference Proceedings, 2020-09-26)Laminar burning velocity is the volume of unburned gas per unit time distributed by the gas consumed. The laminar burning velocity has an important role because it contains basic information about fuel reactivity, ...