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All Journal Journal of Social and Policy Issues Jurnal Pemberdayaan: Publikasi Hasil Pengabdian kepada Masyarakat (JPM ITTC ) Jurnal Profesi Insinyur Indonesia Journal of Chemical Engineering Research Progress
salsabila, elvira
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology Social Sciences Transportation

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SIMASKOT Sebagai Media Layanan Digital Mengukur Tingkat Kepuasan Masyarakat Di DPMPTSP Provinsi Nusa Tenggara Barat salsabila, elvira; Jailani, Muhammad; Oktaoufy, Famira; Sagita, Suci
Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2024): Januari - Juni
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jpmittc.v3i1.1652

Abstract

The importance of developing e-government, it can provide benefits for public services, E-Government development must be carried out in Indonesia and the government must carry out digital acceleration to optimize public services, one of which is the West Nusa Tenggara Province Investment and One-Stop Integrated Services Service (DPMPTSP). IT-based public services through the Simaskot Integrated online community satisfaction survey, which is a web-based application that can be accessed by the public, aims to use technology in services to be able to provide convenience to the public and improve service quality. Data collection techniques begin by carrying out outreach activities and using manual questionnaires which are distributed to service users and online questionnaires which are scanned by barcodes directly by service users. The results of this service indicate that it has been rated very well by service users.
Optimization of Methyl Chloride Production from Methanol and Hydrogen Chloride by Enhancing Purity and Reducing Total Energy Demand Salsabila, Elvira; Aisyah, Friska Auliya; Zulfa D, Indana; Cahyani, Regita Saalum; Chinara, Nadzwa Adzlia
Journal of Chemical Engineering Research Progress 2025: JCERP, Volume 2 Issue 1 Year 2025 (June 2025)
Publisher : UPT Laboratorium Terpadu, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/jcerp.20309

Abstract

Methyl chloride, also known as chloromethane, is an important basic material in the global chemical industry. In 2022, the demand for methyl chloride in Indonesia was recorded at 103,748 tons per year. Based on projections, this figure is expected to increase to 134,696 tons per year by 2027. This study aims to investigate the design of methyl chloride plant by considering the efficiency in terms of energy and purity of yield by utilizing Aspen HYSYS V12 simulation tool in process integration. This research utilizes the iterative simulation method to compare the basic process simulation and the modified process simulation for methyl chloride production. The results show that the modified methyl chloride production process simulation has high energy efficiency as indicated by less energy requirements compared to the basic methyl chloride process. In addition, the simulation results of the modified methyl chloride production process produced methyl chloride reaching a high percentage of purity. In the basic process, the purity of methyl chloride reached 72.36% while the modified process showed an increase to 79.51%. It can be concluded that the simulation results of the modified process are more effective than the basic process in terms of energy requirements and purity product. Copyright © 2025 by Authors, Published by Universitas Diponegoro and BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Sustainable Tourism: Analysis of the AISAS Model Through Instagram Social Media @TRAVELXISM During Voluntrip Activities Salsabila, Elvira; Jailani, Muhammad; Ali, Muhammad
Journal of Social and Policy Issues Vol. 5 No. 1 (2025): January - March
Publisher : Pencerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58835/jspi.v5i1.423

Abstract

Instagram account @Travelxism focuses on travel and exploration of tourist destinations, aims to integrate a social media management approach that focuses on sustainable tourism through Voluntrip activity content, this Instagram account aims to make its followers more aware of sustainable tourism and encourage actions that support the principles of sustainable tourism The purpose of this study is to analyze the extent to which the use of the Travelxism Instagram account in Voluntrip Activities and the strategies used in developing sustainable tourism This research is qualitative using secondary data through a review of the literature review of the general description of marketing communication strategies through the Instagram account "TRAVELXISM" By using the AISAS theory model analysis, an effective approach can be taken to the target audience by considering behavioral changes that occur on various digital platforms, such as social media using the VOSViewer tool to view and map several themes in this data analysis and also using NVivo 12 plus, which maps the problems studied by previous studies based on the overall manuscript problem The conclusion that is the reference of researchers to the theory put forward by Heillbronn, namely environmentally sustainable, economically sustainable, and socio-culturally sustainable, it can be concluded that the @travelxism account carries out digital activism through Voluntrip activities by taking several strategic steps. The first step is to build a social media account that focuses on eco-friendly travel. The second step is to implement the concept of sustainability through news and visual actions, as well as introducing culture, local crafts, and art exhibitions. The third step is to optimize actions that are seen as the right actions.
Composite Curve Pada Teknologi Pinch Widayat, Widayat; Fauzan, O. K. Muhammad; Manulang, Amanda Nathalia Harti Marusaha; Salsabila, Elvira; Ratnawati, Ida; Ridani, Nuraida
Jurnal Profesi Insinyur Indonesia Vol 3, No 3 (2025): JPII:
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpii.2025.28240

Abstract

Teknologi pinch adalah teknik berdasar ilmu termodinamika yang digunakan untuk mengoptimalkan konsumsi panas pada sistem proses industri menggunakan perancangan dan optimasi jaringan penukar panas (Heat Exchanger Network/HEN). One tool utama pada pendekatan teknologi penukar panas adalah curve komposit yang memaparkan hubungan antara entalpi dan suhu aliran panas (panas/steam) dan aliran dingin (cooling). Penelitian ini membahas penerapan yang dilakukan pada aliran proses sebanyak 11 aliran proses (4 aliran panas dan 7 aliran dingin) dengan variasi ΔTmin sebanyak 10°C, 12°C, 14°C, 20°C dan 22°C. Parameter yang digunakan berupa kepanasan panas (thermal capacity), perubahan entalpi dan entalpi kumulatif pada setiap interval panas. Hasil yang didapatkan menginformasikan bahwa perurungan ΔTmin akan meningkatkan efisiensi pemanfaatan panas berakibat pada biaya instalasi yang mahal. Sebaliknya, ΔTmin yang makin besar akan menurunkan efisiensi tetapi mengurangi kompleksi sistem. Dengan demikian perlu ditentukan ΔTmin yang tepat. Kata kunci: pinch technology, composite curve, ΔTmin, heat integration, energy efficiency, Heat Exchanger Network
Co-Authors . Widayat Aisyah, Friska Auliya Cahyani, Regita Saalum Chinara, Nadzwa Adzlia Fauzan, O. K. Muhammad Manulang, Amanda Nathalia Harti Marusaha MUHAMMAD ALI Muhammad Jailani Oktaoufy, Famira Ratnawati, Ida Ridani, Nuraida Sagita, Suci Zulfa D, Indana