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Optimasi Blansing Berbantu Gelombang Mikro Pada Buah Tomat Segar (Solanum lycopersicum L.) Sigit Arya Putra; Andi Eko Wiyono; Miftahul Choiron; Muhammad Luthfi Nashiruddin
Jurnal Ilmu Pertanian Indonesia Vol. 0 No. 00 (2025): inpress
Publisher : Institut Pertanian Bogor

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Abstract

Penelitian dilakukan untuk menentukan kondisi optimum microwave blanching yang dapat menghasilkan tomat dengan kualitas terbaik. Percobaan menggunakan RSM dengan BBD yang terdiri atas 17 perlakuan; setiap kombinasi perlakuan diulang sebanyak 2 kali. Variabel independen yang digunakan berupa daya (watt) (X1), waktu (detik) (X2), dan air blansing (ml) (X3). Data hasil percobaan dilakukan analisis ANOVA, kemudian dilakukan proses optimasi dan diverifikasi. Hasil perlakuan optimum didapatkan dengan kombinasi daya 200 watt, waktu 120 detik dan air blansing 450 ml. Nilai optimum setelah proses validasi respon rendemen 100,01%, nilai respon TPT 3,6obrix, respon vitamin C 154 mg/100 g, dan nilai respon total karoten tomat 3,3 mg/100 g. Keseluruhan hasil tersebut berada pada kisaran 95% CI low 95% CI high.
The Effect of Natural Buffer on Biohydrogen Production Choiron, Miftahul; Tojo, Seishu; Chosa, Tadashi
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 23 No. 2 (2021): Dec 2021
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.23.2.121-128

Abstract

Hydrogen is the promising ideal energy carrier with no emission but water on its combustible in the next generation. Hydrogen production using biological methods is greener than other methods using fossil fuel. One of the major factors affecting the operation of biohydrogen production is pH level in bioreactors. Restrain of declining pH is expected to increase hydrogen production. Pretreatment is one key factor in successful biohydrogen fermentation using mixed microbes. This study aims to investigate the natural buffer effect on biohydrogen using hot compressed water pretreatment. This batch fermentation experiment was operated in a 110 mL glass reactor with 3.75 g/L glucose as substrate. Mixed culture was obtained from cow dung compost treated with hot compressed water pretreatment at 150 ºC, 0.5 MPa for 40 minutes. Fine dried eggshell powder and calcinated eggshell were added with 1 g/L, 3 g/L, and 5 g/L concentrations as buffer agents. The result showed that the addition of 1 g/L eggshell obtained the highest hydrogen production rate of 0.92 mol H2/mol glucose. Butyric acid and acetic acid are recognized as an indicator of hydrogen production and the Butyric/Acetic molar ratio over 2.6 as efficient biohydrogen fermentation. The highest B/A ratio in this experiment was 4.62 on 3g/L addition of eggshell powder.  
Optimization of the performance of a biomaterial-based wet scrubber system for enhancing pollutant gas absorption efficiency in environmentally friendly industrial applications Hita, Muhammad Arga; Choiron, Miftahul
Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Vol 9, No 1 (2026)
Publisher : Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.afssaae.2026.009.01.10

Abstract

The rapid expansion of agro-industrial activities in Indonesia has led to a significant increase in exhaust gas emissions, including formaldehyde (HCHO), volatile organic compounds (VOCs), carbon dioxide (CO₂), and carbon monoxide (CO). These pollutants contribute to the formation of tropospheric ozone, acid rain, and greenhouse effects, which directly impact human health and ecosystems. Although wet scrubber technology is widely used to reduce such pollutants, conventional systems remain limited, particularly in capturing non-polar gases and micro-particles. This study developed a biomaterial-based wet scrubber system that integrates a mechanical approach (nozzle diameter variation) with a material approach (banana-stem biomaterial filter) to improve pollutant gas absorption efficiency. Four nozzle diameters (0.8, 0.5, 0.3, and 0.1 mm) and three biomaterial filter densities (50, 75, and 100 g/L) were tested for their performance in absorbing HCHO, VOCs, CO₂, and CO gases. The results demonstrated that the combination of a 0.3 mm nozzle and a 100 g/L banana-stem filter achieved the highest absorption efficiencies 87.5% for VOCs, 84.2% for HCHO, and 90.1% for CO₂. The decrease in water pH from 7.1 to 5.8 indicated enhanced dissolution of acidic gases, while the increase in TDS up to 1.350 mg/L reflected the accumulation of dissolved compounds due to absorption reactions. ANOVA analysis confirmed that both nozzle diameter and filter density significantly affected system efficiency (p < 0.05). This study highlights the potential of integrating biomaterial-based wet scrubber technology as an effective, economical, and sustainable solution for industrial air pollution control, supporting the transition toward green industrial practices in Indonesia.
Pengembangan Teknologi Wet Scrubber Untuk Meningkatkan Kualitas Lingkungan Pada Agroindustri Hita, Muhammad Arga; Choiron, Miftahul; Firstandika, Leader
JURNAL REKAYASA DAN MANAJEMEN AGROINDUSTRI Vol 14 No 1 (2026): Maret
Publisher : Department of Agroindustrial Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRMA.2026.v14.i01.p06

Abstract

Indonesia’s agroindustrial sector has experienced rapid growth in response to increasing demand for processed agricultural products; however, this development has also introduced environmental challenges in the form of air pollution from biomass combustion, such as sugarcane bagasse, tree branches, and organic waste. These combustion processes generate hazardous pollutants, including HCHO, TVOC, PM2.5, PM10, CO, and CO₂. This study aimed to develop and evaluate a wet scrubber system to reduce these emissions using three treatment methods: a water sprayer, a water trap, and a combination of both. Experiments were conducted using a mixture of sugarcane bagasse and organic waste with a combustion duration of 10 minutes and three replications for each treatment. Measured parameters included HCHO, TVOC, PM2.5, PM10, CO, CO₂, as well as water quality indicators (pH and TDS). Data were analyzed using ANOVA followed by Tukey’s HSD test. The results demonstrated significant reductions in HCHO (98.02%), TVOC (96.70%), CO (98.52%), and CO₂ (87.77%), with the combined method showing the best overall performance, although the effectiveness in reducing PM2.5 and PM10 remained limited. Overall, wet scrubber technology offers a practical and environmentally friendly solution for emission control in agroindustrial activities and supports the implementation of sustainable industrial practices.