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All Journal Journal of Engineering and Technological Sciences Journal of Multidisciplinary Academic JAREE (Journal on Advanced Research in Electrical Engineering)
Syarif Hidayat
Institut Teknologi Bandung
Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Social Sciences

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Identify Water Treatment Plant Capability in Removing Microplastic : Lab Scale Simulation and Direct Sampling Wa Ode Sitti Warsita Mahapati; Emenda Sembiring; Syarif Hidayat
Journal of Multidisciplinary Academic Vol 6, No 1 (2022): Science, Engineering and Social Science Series
Publisher : Penerbit Kemala Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The challenges of Drinking Water Treatment Plants (DWTP) are increasing due to the presence of new types of pollutants that can contaminate raw water and increase the processing load on the installation. One of the pollutants that is currently being discussed a lot is plastic particles measuring < 5 mm which are called microplastics. Based on these factual conditions, it is also important to identify the generation of microplastics at the raw water treatment plant in Bandung-Indonesia. In this study, laboratory-scale water treatment simulations and sampling at two drinking water treatment plants in Bandung City were carried out using the grab sampling method to identify their generation in the laboratory. The results showed that microplastics were still found in all processing units, this was in line with laboratory-scale processing which showed that the processing still left residue at the final stage of the experiment. So, it can be concluded that further research is needed to optimize the performance of conventional water treatment units in removing microplastics and the mechanism that can be applied to prevent the spread of microplastics into water bodies.
Estimating Fault Location Based on Fault Current in 20 kV Distribution System Ricky Maulana; Syarif Hidayat
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 4, No 2 (2020): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v4.i2.116

Abstract

The growth of the electric power system is currently taking place rapidly, causing an increase in the number and length of line to provide consumer services. In the line, there are often fault caused by lightning, storms, breakdown insulation, and short circuit caused by birds and other objects. Detection and location determination will speed up the repair process and can avoid more severe damage. Most studies refer to the fault location on the transmission line. But lately the determination of fault location in distribution system has begun to become a concern of researchers for the improvement of the quality of electricity services to consumers. This study discusses the determination of fault locations based on fault currents and the types of disturbances using data from the assumed distribution system model. The estimated fault location by ignoring the fault resistance has the largest error obtained 0.74% and estimated fault location by including fault resistance will cause a very large error, but the error can be reduced by changing the algorithm of the fault resistance assumption. The result for to ground fault error has reached 1.238% and double line to ground error has reached 88.167%.Keywords: distribution system, fault current, fault location, fault resistance.
Wastewater Processing Technology Opportunities for Palm Oil Mill Effluent as a Raw Material for Renewable Bioenergy Andri Gumilar; Mindriany Syafila; Marisa Handajani; Ilham Anggamulia; Syarif Hidayat
Journal of Engineering and Technological Sciences Vol. 54 No. 3 (2022)
Publisher : Institute for Research and Community Services, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/j.eng.technol.sci.2022.54.3.13

Abstract

The effect of pH on the formation of hydrogen and ethanol using POME as the substrate has not been widely studied. Indonesia, which is the largest producer of palm oil, has a high potential for the utilization of this liquid waste as a substrate for the formation of hydrogen and ethanol. This study determined the optimum hydrogen and ethanol production conditions by controlling pH. POME was used as substrate in an anaerobic reactor and operated in feed batch mode for 72 hours. Mixed culture anaerobic bacteria as biomass were used in the reactor. The pH of the reactor was adjusted to 4.5, 5.5, 6.5, and 7.5 using NaOH 0.1 N and HCl 0.1 N. The reactor’s performance was investigated by measuring hydrogen production, ethanol production, and volatile fatty acid product. It was found that with an initial pH of 5.5, hydrogen production was higher than for the other pH conditions, at about 14.7% v/v. In contrast, the most increased ethanol production occurred in the reactor with an initial pH of 6.5 with a concentration of 347.7 mg/L. Based on the results of this study, the right pH setting can optimize hydrogen and ethanol production.
Co-Authors Andri Gumilar Ilham Anggamulia Marisa Handajani Mindriany Syafila Ricky Maulana Sembiring, Emenda Wa Ode Sitti Warsita Mahapati