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All Journal Indonesian Journal of Science and Technology Indonesian Journal of Chemistry
Wahyudianto, Benny
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Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Environmental Science

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Optimization and Interpretation of Heat Distribution in Sterilization Room Using Convection Pipe Abdurrahman, Abdurrahman; Umam, Rofiqul; Irzaman, Irzaman; Palupi, Endah Kinarya; Saregar, Antomi; Syazali, Muhamad; Junaidi, Rahmad; Wahyudianto, Benny; Adi, Langit Cahya
Indonesian Journal of Science and Technology Vol 4, No 2 (2019): IJOST: VOLUME 4, ISSUE 2, 2019
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/ijost.v4i2.18177

Abstract

In mushroom cultivation of white oyster mushroom (P. ostreatus), problems in the contamination during the production are typically found. This contamination is due to the issue in controlling temperature during the media sterilization for growing the fungus (bag-log). This suboptimal sterilization causes unwanted bacteria and spores to grow. To reduce the amount of contamination, the purpose of this study was to demonstrate and evaluate the temperature distribution using one convection pipe with diameter of 6 and 8 cm. The fuel used for this sterilization process is rice husk. Sterilization itself aims to kill other unwanted bacteria and spores on the bag-log. Sterilization was done by traditional steaming bag-log drums arranged in four rows upwards for 6 hours. Convection pipes were built in drums. The steamer was done by performing two retrievals of data. From the experiment results, the use of convection pipe of 8 cm was better than the convection pipe of 6 cm. This is shown from the amount of fungal contamination in convection pipes were less in 8. The result of temperature measurement using dual laser infrared thermometer was also completed and interpreted using Matrix Laboratory with interpolation method to get heat distribution result.
The Potential Perspective of Processing Rice Husk as SiO2 Source to Tetraalkoxysilane in Indonesia Wahyudianto, Benny; Putro, Wahyu Saptrio; Nguyen, Thuy Thi Hong; Fukaya, Norihisa; Kataoka, Sho
Indonesian Journal of Chemistry Vol 24, No 3 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.92862

Abstract

Tetra-alkoxysilane (TROS) is one of the useful chemicals and it can be processed to produce semiconductor and photovoltaic devices. Now, the transformation of silica (SiO2) to TROS is garnering interest due to the potential of extracting it from biomass. As the 14th largest country, Indonesia possesses an abundant source of SiO2 from mining activities and agricultural waste, notably rice husk (RH). However, only a little concrete action is planned for leveraging RH into a more valuable industrial substance. This review will explain two routes for TROS—conventional and direct—comparing their respective benefits and drawbacks. Additionally, it presents a simulation of various scenarios for scaling TROS production to an industrial level, considering technoeconomic and environmental assessment aspects. The focus then shifts to Indonesia’s strategic trajectory for 2045, offering recommendations to enhance resource utilization for economic and national development.
Co-Authors Abdurahman Abdurrahman Adi, Langit Cahya Antomi Saregar Fukaya, Norihisa Irzaman, Irzaman Kataoka, Sho Muhamad Syazali Nguyen, Thuy Thi Hong Palupi, Endah Kinarya Putro, Wahyu Saptrio Rahmad Junaidi, Rahmad Rofiqul Umam