In this paper, the catalysts (Nano-HZSM-5 and Fe-La/nano HZSM-5) were prepared with incipient wetness impregnation applied for hydrocracking of Sunan candlenut oil. The process was conducted in a batch reactor pressure 20-30 bar H2 gas 2 h under various temperatures. results demonstrated that oil using nano HZSM-5 Fe-La/NHZ could be converted into aromatic hydrocarbons, reaction temperature affected hydrocarbon production. compounds, such as propyl-benzene, 1-ethyl-3-methylbenzene,...

Furfural is a compound derived from xylose, building block material. Sources of furfural can come various corn industry wastes such as cobs and husks, palm oil like Empty Fruit Bunch (EFB). This study aims to compare the potential production waste waste. The research method involves hydrolysis dehydration hemicellulose using two types solvents, sulfuric acid (SA) Deep Eutectic Solvents (DES), at varying temperatures (160 °C, 170 180 °C) reaction times (60, 120, minutes). highest yield cobs,...

日本および東南アジアで多量排出されるスギ間伐材やオイルパームの空果房(EFB)から酵素糖化を経てバイオエタノールなどのプラットフォーム化合物を製造することを想定して,本研究では,酵素糖化助剤となる両親媒性リグニン誘導体を開発し,スギおよびEFBの糖化に対する効果を検討した。酵素糖化のための前処理として,スギにはアルカリパルプ化,EFBにはクラフトパルプ化を行い,残存リグニン量約11%のスギパルプ,および残存リグニン量10%と12%のEFBパルプに対し糖化を行った。これらのパルプのセルラーゼ処理時に,リグニン誘導体を添加すると糖化率,特にEFBパルプに対し向上し,処理後も有意なセルラーゼ活性が検出された。

Enzymatic hydrolysis with high substrate loading of palm oil (Elaeis guineensis) empty fruit bunch (EFB) and water-hyacinth (Eichhornia crassipes) were investigated as a prior part ethanol production from lignocelluloses. Commercial surfactant Span 85 Tween 20 used cellulase performance enhancer in process above 20% (w/w). Cellulase performances compared based on conversion. Hydrolysis conversions EFB using concentration 10 15 FPU/g-substrate was 38.55% 88.80% respectively. Addition 2% (v/v)...

Activated carbons (ACs) were prepared from biomass of Borneo island (wood charcoal, peat, and coconut husk) by using an electricity–free furnace, which the energy source was exclusively wood charcoal. This furnace comprised two parts, inner vessel equipped with water inlet for steam activation outer shell as a heating part vessel. The inside temperature able to reach over 1000 oC. Peat charcoal converted AC carbonization followed activation, specific BET surface areas resultant ACs 889 m2/g...

Research to explore consumer perspective toward tea product requirements has been being emphasized around the globe, as well advancing variety of demand and market competitiveness. Particularly in Indonesia, broader needs government relevant policies environmental consideration made these issues also need be significantly addressed. This study aimed analyze consumption patterns Indonesia support diversified sustainable products. T he research design was conducted using survey method. A...

Industri penggergajian kayu baik skala kecil, menengah dan besar banyak beroperasi di Indonesia. Pada saat mengkonversi dolok menjadi gergajian menghasilkan limbah berupa potongan kecil serbuk gergaji. Potongan merupakan bahan berlignoselulosa yang berpotensi untuk etanol. Tulisan ini mempelajari kemungkinan pemanfaatan sengon bioetanol. Pembuatan etanol, dilakukan dengan metode substrat konsentrasi tinggi menghidrolisis tinggi, yaitu 15, 25, 35% dua enzim (12,5 15 FPU/g substrat). Hasil...

Renewability Indicator (RI) and Cumulative Degree of Perfection (CDP) are employed as tools to assess sustainability Gamboeng Tea. The assessment then compared with black tea process in Black Sea Region Turkey from the previous study. Exergy analysis for was decribed two part articles. This first desribing energy exergy calculation producing fresh leaf plantation. utilization sea leaves calculated be 807.83 MJ/t leaf, 273.43MJ/t respectively. For green tea, were 1496.38 MJ/ t 821.86...

Abstract Bioethanol is an alternative energy to reduce fossil fuels dependency as well for industrial utilization. This study aims investigate the effectiveness of bioethanol production from oil palm empty fruit bunch (OPEFB) in pulp compare its microcrystalline OPEFB by applying Separate Hydrolysis and Fermentation (SHF) method. The process was carried out pretreatment using alkaline both materials then subjective bleaching H 2 O 10% OPEFB. Subsequently were subjected enzymatic hydrolysis...

Water hyacinth (Eichhornia crassipes) utilization as raw material for bioethanol production was investigated a contribution database enrichment in fuel from biomass. Optimization of operation condition conducted by using RSM-CI method an efficient cheminformatics approach to presented the optimum conditions mathematical models which capable predicting resulted sugar and ethanol process define NaOH Concentration pretreatment, substrate loading cellulase loading. The observed were interactive...

Renewability Indicator (RI) and Cumulative Degree of Perfection (CDP) were used to observe sustainability Gamboeng Tea. The assessment then compared with black tea process in Black Sea Region Turkey from the previous study. Calculation exergy for fresh leaf had already described Part.1. Since main both production was drying, tropical humid climate is challenge increase efficiency, thus, renewability. This second part significant improvement renewability applied by using wood pellet rotary...

Biomass is an alternative potential raw materials for biofuels or bioethanol production.Th paper studies productio oil palm trunk waste.trunk was divided into three parts; parenchym (P), vascular bundle (VB) and n of the The ture a s sugar content reduction mix (PVB).Result show that all tre tments (using surfactant) before fermentation higher than without surfactant (control) at 10 15 FPU/g substrat cellulase e concentration.The highest ethanol (1.63%) from parenchyma with recorded concentration.

Since long times ago, Indonesia has been known as one of foremost tea producers in the world. However, recent years total export contribution Indonesian is declining. High competition and environmental sustainability issues among causing factors. Meanwhile, life cycle assessment gained more attention to measure potential impact a product over its stages, from material extraction, production, distribution, consumption disposal. In this study, inventory analysis performed green tea, using case...

Optimum condition for solidfermentation of Trichoderma hamatum inrice bran in order to produce cellulase hadbeen studied by using Response Surfacemethodology (RSM). Fermentationcondition variables that observed waswater rice ratio, urea andinoculums additions activity inFPU/gds (gram dry solid) became theonly dependent variable. The result ofempirical equation from this study wasproven be valid within water ricebran ratio 0,5 - 0,7, and inoculumsaddition where 2-3 % 1-2% weight respactively....

Kajian ini merangkum teknologi dan inovasi sistem pengendalian yang berpotensi diterapkan dalam intensifikasi proses hidrolisis selulosa pada produksi bioetanol G2. Telaah dimulai dari perkembangan terbaru secara umum. Hidrolisis adalah tahapan pembeda antara G2 generasi sebelumnya. Perhatian utama bagaimana terintegrasi dengan pengendalinya integrasi bagian hulu (pretreatment) hilir (penyulingan). Keunikan durasi kerja membutuhkan 48 jam viskositas campuran tergantung waktu. Bagian akhir...

Activated carbons (ACs) were prepared from biomass of Borneo island (wood charcoal, peat, and coconut husk) by using an electricity–free furnace, which the energy source was exclusively wood charcoal. This furnace comprised two parts, inner vessel equipped with water inlet for steam activation outer shell as a heating part vessel. The inside temperature able to reach over 1000 oC. Peat charcoal converted AC carbonization followed activation, specific BET surface areas resultant ACs 889 m2/g...

It was desired to obtain a general formula for producing bio-ethanol from any part of lignocelluloses wastes that came palm oil industries due its abundance. Optimum condition obtained by using RSM conducting high-loading-substrate enzymatic hydrolysis empty fruit bunch applied trunks and then followed unsterilized fermentation bio-ethanol. From several optimized conditions investigated, the resulted ethanol concentration could reach 7.92 %v 36.5 %w but results were averagely 2.46 lower than...

Abstract Nowadays, the main health problem and one of significant problems in world is increasing bacterial resistance to antimicrobial agents. Existing research results show that nanoparticle metals could be used prevent spread resistant bacteria community. This study was conducted determine antibacterial activity zinc oxide (ZnO) against gram-positive Staphylococcus aureus gram-negative Klebsiella pneumonia Vibrio parahaemolyticus . ZnO best produced from biosynthesis brown seaweed (...

Dependency on fossil fuels has provoked the decreasing air quality and rising global temperature. Bioethanol is now understudy for gasoline-blending purposes. However, because of limited resources food competitiveness issues first generation, second generations ethanol (G2) that uses lignocellulosic biomass as raw material been chosen. Lignin can be produced during pretreatment this material. The process 50 kg oil palm empty fruit bunch (OPEB) with 250 liters NaOH 10% at 150°C 6-8 bars...