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All Journal Seminar Nasional Teknik Kimia Kejuangan Journal of Social Research Makara Journal of Technology Journal of Engineering and Technological Sciences
Tedi Hudaya
Program Studi Teknik Kimia, FTI, UNPAR, Jalan Ciumbuleuit 94, Bandung
Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Journal of Social Research

 1 
Simulation of the Effect of Flow Ratio on Methyl Caproate Composition in Fractionated Methyl Ester Based on Palm Kernel Oil Tandra, William; Bisowarno, Budi Husodo; Hudaya, Tedi
Journal of Social Research Vol. 4 No. 7 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2648

Abstract

This research consists of five steps, first is literature review and Aspen Plus simulator review, this review step will not only provide initial data and assumptions, but also provide which thermodynamics data suitable to be used in Aspen Plus for this research. Second step is the data collection step, the data collected from actual recorded data such as temperature, pressure, and flow rate from one of oleochemicals plants in the June 2023 period complete with the analysis results. The data and analysis results are collected from several days in the month and selected based on normal running conditions of the plant without any interruptions. Third is the process modeling with Aspen Plus simulator using the data collected from literature review and actual plant data. Fourth step is validation of the process model using actual plant data with different modes. The last step is simulation of the process using the valid model to predict the product composition based on predetermined process parameter variation. Based on the actual plant data, valid model obtained using RadFrac Unit Operation, with reflux ratio 150, stage count at 32 stages, and feed stage at stage 23. Process parameter variation used in the simulation are reflux ratio and side product flow ratio with +/- 10% range. Based on the simulation result, reflux ratio affects methyl caproate product composition more than side product flow ratio in first methyl ester fractionation column. This model has the potential to be implemented in the plant to predict the methyl caproate composition in case of feed composition changes or deviation on the product composition itself.
Case Study: Analysis of Work Breakdown Structure on Project Completion Time in the Procurement of Industrial Oleochemicals Items Budiawan, Audrey; Bisowarno, Budi Husodo; Hudaya, Tedi
Journal of Social Research Vol. 5 No. 3 (2026): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v5i3.3027

Abstract

This research aims to analyze the application of project management in the areas of procurement knowledge (procurement) and logistics in the production facility construction project at PT X, an oleochemicals industry located in Indonesia. The problem to be solved arises from deviations in time and cost, particularly in the delivery schedule of items packaged in containers and shipped from international ports to Indonesia. These deviations result in cost overruns due to logistics delay fines. This study employs a descriptive quantitative approach using comparative analysis techniques. Primary data include project schedule documents, logistics reports, and actual cost data. The results of the analysis show that the greatest deviation occurred in the customs clearance phase and in the handling of container-to-factory transportation. The effect of schedule deviation on cost deviation is examined in this paper, and after analysis, it is concluded that there is a need to enhance the effectiveness of project change management in the procurement process to formally mitigate and integrate logistics schedule changes, thereby controlling the risk of cost overruns.
Co-Authors Audreylia, Vanessa Budi Husodo Bisowarno, Budi Husodo Budiawan, Audrey Luivan, Samuel Octaviany, Octaviany Rachmat, Velicia Sumargo, Margaretha Susanti, Maria Patrycia Della Tandra, William Tatang Hernas Soerawidjaja Tunardi, Stephen Reinaldo