Browsing by Author "Fachri, Boy Arief"
Now showing items 1-20 of 23
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ANALISIS ENERGI OUTPUT PEMBAKARAN GAS ELPIJI PADA COMBUSTOR SKALA MESO DAN MAKRO DENGAN SUDDEN EXPANSION
Muharyanto, Danang (2018-03-16)Dari pengujian, pembahasan dan analisis yang telah dilakukan menghasilkan kesimpulan bahwa temperatur pembakaran pada combustor skala meso lebih tinggi daripada temperatur pembakaran dari combustor skala makro. ... -
ANALISIS PARAMETER INJECTION MOULDING TERHADAP WAKTU SIKLUS TUTUP BOTOL 500 ML MENGGUNAKAN DESAIN BOX-BEHNKEN
Sulistiyanto, Dwi (2017-01-18)Penggunaan kemasan material plastik dari tahun ke tahun semakin meningkat, sehingga menyebabkankan persaingan dunia industri semakin tinggi, maka dari itu perusahaan-perusahaan harus meningkatkan produksi dan kualitas ... -
ANALISIS PARAMETER PEMOTONGAN DAN DEBIT PENDINGIN CNC MILLING TERHADAP KEKASARAN PERMUKAAN MENGGUNAKAN BOX BEHNKEN DESIGN
Pratama, M Yuda (2018-03-09)Kekasaran permukaan salah satu hal yang sangat diperhatikan dalam proses pemesinan, terutama dalam proses milling. Dari kekasaran permukaan ini dapat diketahui apakah layak untuk digunakan atau tidak. Semakin rendah ... -
Catalytic Conversion of Dihydroxyacetone to Lactic Acid Using Metal Salts in Water
Rasrendra, Carolus B.; Fachri, Boy Arief; Makertihartha, I. Gusti B. N.; Adisasmito, Sanggono; Heeres, Hero J. (2016-08-31)We herein present a study on the application of homogeneous catalysts in the form of metal salts on the conversion of trioses, such as dihydroxyacetone (DHA), and glyceraldehyde (GLY) to lactic acid (LA) in water. A ... -
Environmentally Friendly Phenol Fraction Extraction from Sargassum sp. Using Olive Oil as a Solvent
Ratnasonia, Samantha Githa; Palupi, Bekti; Fitriana, Meta Rizki; Rahmawati, Istiqomah; Fachri, Boy Arief (Fakultas MIPA Universitas Jember, 2019-11-25)To minimize the impact of using an organic solvent to the environment, some oil-based solvent such as olive oil was proposed as a solvent to extract phenolic compounds from Sargassum sp. This work is to observe the effect ... -
Experimental and modeling studies on the acid-catalyzed conversion of inulin to 5-hydroxymethylfurfural in water
Fachri, Boy Arief; Abdilla; Rasrendra, Carolus Borromeus; Heeres, Hero J. (2016-08-31)Inulin is considered as an attractive feed for the synthesis of 5-hydroxymethylfurfural (HMF), an important biobased platform chemical with high application potential. We here report a systematic study to optimize the ... -
Experimental and Modeling Studies on the Conversion of Inulin to 5-Hydroxymethylfurfural Using Metal Salts in Water
Fachri, Boy Arief; Rasrendra, Carolus Borromeus; Heeres, Hero J. (2016-08-31)Inulin, a plant polysaccharide consisting of mainly D-fructose units, is considered an interesting feed for 5-hydroxymethylfurfural (HMF), a top 12 bio-based chemical. We here report an exploratory experimental study on ... -
Experimental and modelling studies on the uncatalysed thermal conversion of inulin to 5-hydroxymethylfurfural and levulinic acid
Fachri, Boy Arief; Abdilla; Rasrendra; Heeres (2016-08-31)Background: 5-Hydroxymethylfurfural (HMF), an important biobased platform chemical, is accessible by the acid catalysed conversion of biopolymers containing hexoses (cellulose, starch, inulin) and monomeric sugars ... -
Experimental Study and Modeling on Supercritical CO2 Extraction of Indonesian Raw Propolis using Response Surface Method: Influence of Pressure, Temperature and CO2 Mass Flowrate on Extraction Yield
Fachri, Boy Arief; Sari, Puspita; Yuwanti, Sih; Subroto, Erna (Chemical Engineering Research and Design 153 ( 2020 ) 452–462, 2020-01-01)It is well-known that propolis shows potential as an antioxidant. A common method to extract propolis is organic solvent extraction which has drawbacks such as long extraction times and solvent residues. To overcome this, ... -
Experimental Study on Role of Xylose on Furfural Decomposition in Acidic Composition
Setiawan, Felix Arie; Fachri, Boy Arief; Rahmawati, Istiqomah; Palupi, Bekti; Rizkiana, Meta Fitri; Susanti, Ari (2017-12-14)Sulfuric acid (H2SO4) is broadly used as a catalyst to accelerate hemicellulose and a considerable part of the lignin components decomposition to generate sugars as intermediate chemicals for further processing steps. ... -
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 (2019-04-30)The attractive biobased platform chemicals, 5-Hydroxymethylfurfural (HMF) and Levulinic Acid (LA), are commonly produced by the conversion of monomeric sugars. However, a polymeric sugar such as inulin shows promising. ... -
Exploratory Study on Thermal Microwave-Assisted Decomposition of Eucheuma Cottonii Carrageenan to 5-Hydroxymethylfurfural and Levulinic Acid in Aqueous Medium
Fachri, Boy Arief (2019-04-29)Carrageenan which is a renewable and abundant shows a potential as an energy feedstock. Carrageenan which can be extracted from Eucheuma cottonii can decompose to hydroxymethylfurfural (HMF) and levulinic acid (LA). ... -
Extraction of Phenolic Compound from Sargassum Sp. in Ethanol: effect of Particle Size, Extraction Time and Ratio Substrate to Solvent on The Yield of Phenol
Pujianto, Slamet; Rahmawati, Istiqomah; Sari, Puspita; Oktavianawati, Ika; Fachri, Boy Arief (Fakultas MIPA Universitas Jember, 2019-11-25)Sargassum Sp., a part of brown algae, traditionally is used as animal feed. In spite of this, Sargassum containing phenolic compound which shows a promising as a natural antioxidant feedstock. This work is to extract ... -
Flame Characteristics of Diffusion of Calophyllum inophyllum Methyl Ester on Mini Glass Tube
Bachtiar, Hemas Hafidh; Fachri, Boy Arief; Ilminnafik, Nasrul (2019-07-04)Combustion is a chain chemical reaction that is influenced by three factors, namely fuel, oxidizer, and heat. This study analyzes the effect variations of fuel flow rates (1 ml/h, 2 ml/h, and 3 ml/h) on the laminar burning ... -
Glucose, Temperature, and Time Reaction Effects: Quantitative Study of Furfural Decomposition
Rahmawati, Istiqomah; Fachri, Boy Arief; Setiawan, Felix Arie; Palupi, Bekti; Rizkiana, Meta Fitri; Susanti, Ari (2017-12-14)The utilization of biomass as renewable energy is potential to become the fuel and intermediate chemicals supplier. Furfural is one of important derivative chemical substances which is obtained from biomass degradation. ... -
Karakteristik Pembakaran Difusi Solar Dengan Penambahan Biodiesel Minyak Ampas Kelapa (Cocos Nucifera )
Busthomi, Bagus Bayazid (Fakultas Teknik Universitas Jember, 2019-02-20)Biodiesel salah satu bagian biofuel yang dapat menggantikan bahan bakar fosil saat krisis bahan bakar dan krisis polusi lingkungan. Ampas kelapa adalah salah satu bahan baku berpotensi untuk dikonversi sebagai bahan bakar ... -
Karakteristik Pembakaran Pada Sudden Expansion Meso Combustor Dengan Variasi Diameter Inlet
Zulkarnain, Rachell Nurman (2017-11-28)Salah satu implikasi kemajuan akan teknologi adalah meningkatnya penggunaan kendaraan bermotor. Sebagai contoh dalam laju pertumbuhan kendaraaan bermotor di Jakarta saja pada tahun 2012 tercatat 13,5 juta kendaraan, 10,8 ... -
Lignocellulosic Material from Main Indonesian Plantation Commodity as the Feedstock for Fermentable Sugar in Biofuel Production
Darmayanti, Rizki Fitria; Amini, Helda Wika; Rizkiana, Meta Fitri; Setiawan, Felix Arie; Palupi, Bekti; Rahmawati, Istiqomah; Susanti, Ari; Fachri, Boy Arief (ARPN Journal of Engineering and Applied Sciences, VOL. 14, NO. 20, OCTOBER 2019, 2019-10-01)Since the long history of Indonesia, the majority of Indonesian residence are working as farmers as the primary job. Plantation in Indonesia supplies the world market in remarkable amount. There are several main commodity ... -
RANCANG BANGUN BAGIAN DINAMIS MESIN CNC ROUTER MILLING
Pratama Arifin, Deni Anggara (2016-08-16)Karya seni ukir memiliki kekhasan tersendiri karena merupakan suatu karya cipta manusia yang didasari rasa estetis sesuai apa yang diinginkan oleh manusia itu sendiri. Karya seni ukir kayu biasanya diciptakan menggunakan ... -
RANCANG BANGUN MESIN CNC BUBUT KAYU (BAGIAN DINAMIS
SANDY, Ika Angga Ary (2016-08-08)Dewasa ini perkembangan dunia manufaktur semakin berkembang, salah satunya adalah penggabungan teknologi komputer dan teknologi mekanik yang sering disebut dengan mesin CNC (Computer Numerical Control). Salah satu contoh ...