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All Journal JURNAL PENDIDIKAN GLASSER Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Hydrogen: Jurnal Kependidikan Kimia
Ni'mah, Kamilah Pathun
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Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Education Engineering Environmental Science Industrial & Manufacturing Engineering

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SIMULATION PROGRAM SKILLS FOR CHEMICAL ENGINEERING GRADUATES Nuraini, Annisaa; Setyowati, Dias Afifah; Kurniyanto, Valentinus Enrico; Fitriah, Fitriah; Ni'mah, Kamilah Pathun; Aliffiantika, Nindya; Pusvitasari, Anggun Bunga; Sari, Dessy Agustina
JURNAL PENDIDIKAN GLASSER Vol. 8 No. 1 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Muhammadiyah Luwuk

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32529/glasser.v8i1.3207

Abstract

A bachelor's degree in chemical engineering enhances one's capacity to adapt both hard and soft skills in the classroom and at work to the quick changes in technology and increasing competitiveness in the professional world. This motivates an individual who has graduated from chemical engineering to enhance the caliber of their work. Technology for simulation programming is one of the hard skills he needs to possess. In the realm of chemical engineering, these abilities encompass not only using Microsoft Office but also making objects work with other software. Through theoretical research on cases in the process industry, the simulation program is used. Prioritizing the operational foundation of an application is essential for work in the chemical sector. It is recommended that a graduate of chemical engineering possess software capabilities in order to facilitate their employment in the workforce. Basic requirements and increased proficiency can be supported by theoretical and data processing techniques. This article discusses the need for software skills in the field of chemical engineering, such as Aspen HYSYS, Matlab, AutoCAD P&ID, and Scilab, using a literature study methodology. This endeavor is a method of looking through library data for pertinent articles and then delving deeper into an article's content. The purpose of this article review is to balance hard and soft skills in order to determine how software is used in the field of chemical engineering and what is required in the chemical industry.
Performance of an Air-Cooled Heat Exchanger in a Separation Unit Based on Fouling Factor and Pressure Drop Ni'mah, Kamilah Pathun; Fitriah, Fitriah; Sari, Dessy Agustina
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 8, No 2 (2023): EDISI SEPTEMBER 2023
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v8i2.4951

Abstract

Heat exchangers transfer heat from a high temperature to a low temperature in a fluid. Air-cooled heat exchangers are one of the most widely used types of heat exchangers, after shell and tube heat exchangers. Its performance is determined by calculating the fouling factor value and the pressure drop. The purpose of this case study is to evaluate the performance of a water-cooled heat exchanger in a plant that produces a thickening agent (CMC, or carboxymethylcellulose), which affects the amount of ethanol produced. Ethanol will cool from 79.347 to 54.133 oC, and air will cool from 31.333 to 59.667 oC as the cold fluid. The calculation results show that both reviews exceed the design threshold of 0.007056 h.ft2.oF/Btu. These heat exchangers require maintenance and repair. These results differ from the pressure drop values on the air side and pipe section, which are 1.2.10-3 inH2O and 0.647 psia, respectively. Both values remain outside the allowable limits. The performance evaluation of process equipment in the separation unit was aided by field data. The review of the data was able to predict a plant shut-down. This action was able to effect a partial or total plant shut-down due to fouling and scale exceeding design data thresholds.
The Influence of Adding Glycerol and Spirulina on The Characteristics of Starch-Based Bioplastics Film from Potato Peel Waste Ni'mah, Kamilah Pathun; Hakim, Muhammad Fahmi; Julia Putri, Leggy Doriyanti; Rahmawati, Fira
Hydrogen: Jurnal Kependidikan Kimia Vol. 11 No. 6 (2023): December 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i6.9549

Abstract

The development of bioplastic films is one of the efforts to reduce plastic waste. The polymer used as the basic material for making bioplastic films is starch. Potato peel waste can be repurposed by extracting its starch content. This research has the purpose to investigate the influence of adding glycerol and spirulina on the characteristics of bioplastic films made from potato peel starch, and to ascertain the optimum composition of raw materials. Bioplastics were produced by casting method from potato peel starch with variations of glycerol and spirulina. The bioplastic composition in this research includes K0 (0 ml glycerol and 0 grams spirulina), K1 (2.5 ml glycerol and 0.3 grams spirulina), K2 (1.25 ml glycerol and 0.3 grams spirulina), K3 (2.5 ml glycerol and 0.15 grams spirulina), and K4 (1.25 ml glycerol and 0.15 grams spirulina). The characteristics of bioplastic films include thickness testing, tensile strength, elongation at break, and degradation. The results from the characterization of bioplastic films indicate that the addition of glycerol and spirulina is inversely proportional to the tensile strength produced, meaning it decreases. However, the addition of glycerol and spirulina is directly proportional to the percentage of elongation produced, meaning it increases. The addition of spirulina has an impact on the degradation time of bioplastic films. The optimal raw material ratio in this research is found in sample K4, with a tensile strength value of 23.038 MPa, elongation at break of 4.385%, thickness of 0.1367 mm, and complete degradation occurring on the sixth day.
Co-Authors Aliffiantika, Nindya Dessy Agustina Sari Fitriah Fitriah Hakim, Muhammad Fahmi Julia Putri, Leggy Doriyanti Kurniyanto, Valentinus Enrico Nuraini, Annisaa Pusvitasari, Anggun Bunga Rahmawati, Fira Setyowati, Dias Afifah