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Sainteks: Jurnal Sain dan Teknik
Published by Universitas Insan Cendekia Mandiri
ISSN : -     EISSN : 26858304     DOI : https://doi.org/10.37577/sainteks.v5i2
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering
Sainteks is a scientific journal that publishes research papers encompassing all aspects of natural sciences, technology and engineering. This journal is published 2 (two) times a year (March and September) by the Faculty of Engineering UICM d/h UNBAR. The fields covered by the Sainteks Journal include: - Chemical Engineering - Textile Chemical Technology - Industrial Engineering - Science - Textile Industry Technology - Environment
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 4 No 1 (2022): Maret" : 8 Documents clear
Pemodelan Pengeringan Menggunakan Microwave Dengan Model Relative Energy Activation (REA) Untuk Pengeringan Kacang Hijau Berbentuk Sphere Johannes Martua Hutagalung
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.386

Abstract

One of the advantages of the REA model is that the relative activation energy equation obtained from the experimental data can be used for other drying conditions with the same initial material and moisture content. Through convective data, an equation of activation energy is obtained which will be used for drying the data using a microwave. The simulation carried out is to compare the model data with experimental data of a microwave with a power of 0.25 W/g and a drying air temperature of 50 0C, then a power of 0.7 W/g and a drying temperature of 70 0C. increasing with microwave, the higher the value of the heat transfer coefficient (h) the simulation results are getting closer to the experimental data for the initial period of development, even making experimental data with increasing time.
Optimasi Pengolahan Limbah Cair Textile Menggunakan Metode Sono-Fenton Riza Rizkiah; Luciana Luciana
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.388

Abstract

The textile and textile product (TPT) industry is one of the mainstay commodities that drive the economy in Indonesia. Export market opportunities are very open for this commodity, but the current problem is the waste generated from this industry. PT.Vonex is a textile industry with spinning and dyeing products. Textile liquid waste produced has a very concentrated color characteristic and when the dye enters the waters it can cover the surface of the water body so as to block sunlight from entering the waters. Textile wastewater treatment with the sono-Fenton method as DCA (Decolorizing Agent) can be used as an alternative choice in overcoming these problems. In this study, an analysis of the reduction of the dye was carried out by using variations in the concentration of Fenton's reagent and the length of sonication time. The variations in the concentration of Fenton's reagent used were 1:1, 2:1, 4:1, and 6:1 while the sonication time used variations of 10, 30, 60 and 90 minutes. The test results show that the use of Fenton's reagent assisted by ultrasonic waves (sonication) in textile wastewater treatment can reduce the levels of color values, pH, COD, BOD, and TSS. The results showed that the variation of Fenton reagent concentration 1:1 with a sonication time of 30 minutes was the optimum condition with a percentage decrease in color value of 99.61%, a decrease in pH value of 68.94%, a decrease in COD value of 90.64%, a decrease in BOD levels by 97.48%, and a decrease in TSS levels by 91.28%.
Perancangan Enterprise Architecture E-Procurement Framework Architecture Development Method (ADM) Pada Krakatau Steel di Cilegon Anita Megayanti
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.393

Abstract

E-Procurement is a process of procuring goods or services electronically and facilitated by software or a website with an internet connection. An enterprise design model for the eprocurement application architecture aims to serve as a guide in developing eprocurement at Krakatau Steel in accordance with the needs and objectives of the logistics division of Krakatau Steel. The research method uses TOGAF ADM architectural modeling by conducting interviews and observations. And there are several stages that are implemented, namely the Preliminary Stage, Architecture Vision, Business Architecture, Information System Architecture, Technology Architecture, Opportunities and Solutions. The results found in this study are the integration of the eprocurement application with the MM module SAP application so that the goods/services procurement process activities can run as expected. In addition, it can also produce blueprints as the basis for the e-procurement process enterprise design strategy at Krakatau Steel.
Pengoptimalisasian Persediaan Dengan Menggunakan Sistem Distribution Requirement Planning (DRP) di PT. XYZ Anggit Suryopratomo; kiki abdul muluk
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.397

Abstract

Most of the Indonesian population has a livelihood in agriculture. Fertilizer is the main component for farmers to use in farming so that managed plants can grow well. PT XYZ must be able to provide fertilizer in accordance with the demands and needs of local farmers. The level of fertilizer inventory in the warehouse is analyzed and recommendations are given to make it optimal. Optimal in the sense that the inventory level does not experience a shortage of inventory. The research method in the case study at PT XYZ is descriptive analytic. The data collection techniques used were observation, interviews and documentation studies obtained from companies and literatures related to writing. These data were analyzed using qualitative and quantitative analysis. The results obtained from this study with the DRP design using the Q System method, indicate that the estimation that has been made by PT XYZ is the estimate that is closest to the realization in an effort to optimize inventory.
Pemilihan Alternatif Strategi Bisnis Pada Line Bisnis Merchandise di PT. Caladi Lima Sembilan (C-59) Bandung - Jawa Barat Dini Yulianti
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.398

Abstract

: The business line at the C59 company consists of four, namely international, retail, order, and merchandise. In the line of merchandise business, there is a problem with this business. Namely that the sales target that has been set by the company has never been achieved, while the business opportunity is still wide. As a first step, identification of the company's external and internal business data is carried out. There are five problem-solving models used for data processing, namely the SAP and ETOP systematic approaches to critically identify external and internal factors, the IFE and EFE matrices, which are Input Stages that function to evaluate external and internal evaluation factors, while for the Matching Stage, only two matrices are used, namely the IE matrix to position the SBU in a 9-cell matrix, and the SWOT matrix to formulate the company's strategy, while the QSPM, which is the Decision Stage, functions to choose the The results of the IFE and EFE matrices are (2.66; 2.55) so that the position of the SBU in the IE matrix is in cell V, which results in a hold and maintain strategy. The general strategies used are market penetration strategy and product development strategy. The SWOT matrix produces nine alternative strategy formulations. At the Decision Stage, QSPM uses an alternative strategy from the IE matrix, because it is considered that nine alternative strategies from the SWOT matrix have been reflected in the hold and maintain strategy. So, the results of QSPM data processing produce Sum TAS 6.63 for market penetration strategy and 5.15 for Sum TAS product development strategy. So the market penetration strategy was chosen as the right strategy for the C59 merchandise business line. The market penetration strategy planning program is made in the form of action plans and gantt charts, namely providing examples of merchandise products, giving discounts and competitive product prices, helping with the cost of printing campus/school bulletins by installing a logo, participating in campus events, and sponsoring school/campus activities.
Analisis Stabilitas Tanggul Penahan Tanah Pedestrian Zona II Situ Bagendit Tiara Nurhuda
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.399

Abstract

Abstract: Situ Bagendit is one of the natural tourism areas in Garut Regency with an area of 124 Ha. Besides being a tourist attraction, Bagendit Lake is also a suggestion for irrigation in the surrounding area. In addition to channeling irrigation, earth retaining embankments built together with pedestrians must also meet the safety requirements of stability. This study aims to determine the value of the safety factor of the Situ Bagendit embankment against slipping and overturning. To determine the value of stability, the forces and moments acting on the embankment and water are analyzed. The value of slip or shear stability is 1.73 and the value of rolling stability is 2.1, where the value is categorized as safe because it is more than 1.25. It was concluded that the Situ Bagendit II embankment was categorized as safe against sliding and overturning Abstrak: Situ Bagendit merupakan salah satu kawasan wisata alam di Kabupaten Garut dengan luas 124 Ha. Selain menjadi objek wisata, situ Bagendit juga sebagai saran irigasi di daerah sekitar. Disamping untuk menyalur irigasu, tanggul penahan tanah dibangun bersamaan dengan pedestrian juga harus memenuhi persyaraytan aman dari stabilitas. Penelitian ini bertujuan untuk mengetahui nilai faktor aman tanggul Situ Bagendit terhadap gelincir dan guling. Untuk mengetahui nilai stabilitas maka dianalisis gaya-gaya dan momen yang bekerja pada tanggul dan air. Nilai stabilitas gelincir atau geser adalah 1,73 dan nilai stabilitas guling adalah 2,1, dimana nilai tersebut dikategorikan aman karena lebih dari 1,25. Dissipulkan bahwa tanggul Situ Bagendit II dikategorikan aman terhadap geser maupun guling
Pengujian Konsentrasi Aktivitas Anti Bakteri Terhadap Escherichia Coli dan Staphylococcus Aureus dari Ekstraki Etanol Daun Talas Bogor Rini Siskayanti; Muhamad Engkos Kosim; Muhammad Nitis Jiwana Ksatria
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.400

Abstract

Abstract: Talas Bogor (Colocasia esculenta L. Schott) is one of the non-rice carbohydrate sources which is quite rich in nutrients, and has a fairly high economic value. All parts of the taro plant contain flavonoids and saponins that function as antibacterial compounds by interfering with bacterial cells in the wound and exterminating fungi, thus helping the wound healing process. The purpose of this study was to test the activity of Escherichia coli and Staphylococcus aureus bacteria on Talas Bogor leaf extract and to determine the best concentration in inhibiting bacterial growth. There are two methods for this test, namely the spread method and the dilution method. In this study, the method used to test the antibacterial activity of Escherichia coli and Staphylococcus aureus bacteria on Bogor taro leaves was the disk diffusion method. Observational data obtained through the knowledge of presence or absence of a clear area formed around the paper disc is indicated by the growth of bacteria. The ethanol extract was carried out by macerating dry sample powder with 96% ethanol for 3 x 24 hours where the filtrate was evaporated with a rotating evaporator to obtain a thick Bogor Taro leaf extract. This test was carried out on several variations of concentration to determine the best antibacterial activity in inhibiting the tested bacteria. The concentration variations carried out were 1.25%, 2.5%, 5%, 10% and 15%. Based on the data, the diameter of the largest inhibition zone for Escherichia coli was 15% with diameter of an inhibition zone 14.11 mm, while for Staphylococcus aureus it was 15% with diameter of an inhibition zone 16.51%. The positive control used was chloramphenicol while the negative control was 20% sterile DMSO. Abstrak: Talas Bogor (Colocasia esculenta L. Schott) adalah salah satu tanaman sumber karbohidrat bukan beras yang cukup kaya akan gizi, dan memiliki nilai ekonomi yang cukup tinggi. Seluruh bagian tanaman talas mengandung flavonoid dan saponin yang berfungsi sebagai senyawa antibakteri dengan mengganggu sel bakteri di dalam luka serta pembasmi fungi, sehingga turut membantu proses penyembuhan luka. Tujuan dari dilakukannya penelitian ini adalah sebagai pengujian aktivitas antibakteri Escherichia coli dan Staphylococcus aureus pada ekstrak daun Talas Bogor serta mengetahui konsentrasi terbaik dalam menghambat pertumbuhan bakteri. Ada dua metode untuk pengujian ini yaitu dengan cara metode penyebaran dan metode pengenceran. Pada penelitian ini, metode yang digunakan untuk pengujian aktivitas antibakteri dari Escherichia coli dan Staphylococcus aureus terhadap daun talas Bogor ialah dengan metode penyebaran (disk diffusion method). Data pengamatan yang didapat berupa tampak atau tidaknya daerah bening yang terbentuk di sekeliling kertas cakram ditunjukkan dengan pertumbuhan bakteri. Ekstrak etanol di lakukan dengan cara serbuk sampel kering di maserasi dengan etanol 96% selama 3 x 24 jam dimana filtrat nya diuapkan dengan rotary evaporator sampai didapatkan ekstrak daun Talas Bogor yang kental. Pengujian ini dilakukan terhadap beberapa variasi konsentrasi untuk mengetahui aktivitas antibakteri yang paling baik dalam menghambat bakeri yang diuji. Variasi konsentrasi yang dilakukan ialah 1.25%, 2.5%, 5%, 10% dan 15%. Berdasarkan dari data, diameter zona hambat paling besar dari bakteri Escherichia coli yaitu 15% dengan diameter zona hambat 14.11 mm, sedangkan untuk bakteri Staphylococcus aureus yaitu 15% dengan diameter zona hambat 16.51%. Sebagai kontrol positif digunakan kloramfenikol, dengan kontrol negatif yaitu DMSO steril 20%.
Re-Layout Of STNK Annual Tax Payment At The XXX Samsat Office By Promodel Simulation Tombak Gapura Bhagya
Sainteks: Jurnal Sain dan Teknik Vol 4 No 1 (2022): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v4i1.401

Abstract

Re-layout is an action that requires a large amount of money if done manually. So it is necessary to use technology to minimize the cost of re-layout. Simulation is one solution that can be applied in solving problems related to layout improvement. The SAMSAT XXX office experienced a very heavy queuing problem, so it was necessary to improve the layout by changing the position of the service office. By using the modeling system, the STNK tax service system can be created in a virtual system and a new layout is created using the promodel. The results indicate the need for additional registration counters from the initial one consisting of only one counter to three counters, and this has the effect of increasing the productivity of payment counters and delivery counters by up to 15%. So that the productivity burden of the three counters at the SAMSAT XXX office has the same load.

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