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All Journal Justek : Jurnal Sains Dan Teknologi (Journal of Environmental Sustainability Management)
Izza, Fadel
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Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Environmental Science Mathematics

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Pembuatan Sabun Cair Berbahan Dasar Minyak Zaitun Dengan Variasi Penambahan Sodium Lauryl Sulfate Izza, Fadel; Mahmud, Muhammad Khairul; Wahida, Masna; Badra C, Nirwana Nur; Carlavivia, Sifra
Justek : Jurnal Sains dan Teknologi Vol 8, No 2 (2025): Juni
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v8i2.29157

Abstract

Abstract: The purpose of this research is to examine the effect of adding Sodium Lauryl Sulfate (SLS) on the quality of liquid soap made from olive oil. Soap is made through a saponification reaction with the main composition: 25 grams of olive oil, 5.2 grams of sorbitol, 5.2 grams of 0.1 N KOH solution, and 7.8 grams of distilled water. Variations in the addition of SLS were carried out in four concentrations, namely 1.25 grams, 2.5 grams, 3.75 grams, and 5 grams. The parameters tested include foam stability, viscosity, free alkali, pH, and organoleptic tests. The results showed that the addition of SLS had a significant effect on improving the quality of liquid soap, especially in terms of foam and viscosity. The SLS concentration of 2.5 grams produced soap with optimal performance, a pH of 10 which is still in accordance with SNI standards, and good foam stability. Thus, this study succeeded in determining the ideal SLS concentration to improve the quality of liquid soap according to SNI 1996 and SNI 2558:2017 standards.Abstrak: Penelitian ini bertujuan untuk mengkaji pengaruh penambahan Sodium Lauryl Sulfate (SLS) terhadap kualitas sabun cair berbahan dasar minyak zaitun. Sabun dibuat melalui reaksi saponifikasi dengan komposisi utama: 25 gram minyak zaitun, 5,2 gram sorbitol, 5,2 gram larutan KOH 0,1 N, dan 7,8 gram aquades. Variasi penambahan SLS dilakukan sebanyak empat konsentrasi, yaitu 1,25 gram, 2,5 gram, 3,75 gram, dan 5 gram. Parameter yang diuji meliputi, stabilitas busa, viskositas, alkali bebas, pH, dan uji organoleptis. Hasil menunjukkan bahwa penambahan SLS berpengaruh signifikan terhadap peningkatan kualitas sabun cair, terutama dalam aspek busa dan viskositas. Konsentrasi SLS sebesar 2,5 gram menghasilkan sabun dengan performa optimal, pH sebesar 10 yang masih sesuai dengan standar SNI, serta stabilitas busa yang baik. Dengan demikian, penelitian ini berhasil menentukan konsentrasi SLS yang ideal untuk meningkatkan mutu sabun cair sesuai standar SNI 1996 dan SNI 2558:2017
“Clean smoke”: solusi inovatif dan efektif untuk mengurangi emisi gas karbon dan partikulat berbahaya pada asap Mahmud, Muhammad Khairul; Izza, Fadel; Juniar, Nadya Fildzah; Alqauliyah, Alqauliyah; Syam, Alif Rahmawan; Sjafruddin, Rahmiah
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 9, No 1 (2025)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.9.1.101-110

Abstract

Many environmental problems currently faced globally are related to air pollution, primarly originating from biomass combustion on both small or large scales. Major contributors to particulate matter (PM2.5) and harmful organic substances such as CO can be found in the smoke from the combustion process. These particulates and toxic substances have been known to have adverse effects on human health. This study presents the design and development of a device called Clean Smoke, which has an efficiency rate of 78.65% in reducing harmful substances in air emissions and effectively trapping organic compounds from biomass. In addition, the test results showed that the residual waste liquid or liquid smoke produced by this tool showed a significant turbidity increase from 4.16 NTU to 25.5 NTU, indicating the ability of the tool and activated carbon to bind hazardous particulates in water. With further development, Clean Smoke device could significantly reduce exposure to emissions and toxic substances from combustion processes in small to large-scale industries, thereby contributing to a healthier environment and supporting the global goal of achieving zero-net emissions.
Co-Authors Alqauliyah, Alqauliyah Badra C, Nirwana Nur Carlavivia, Sifra Juniar, Nadya Fildzah Mahmud, Muhammad Khairul Sjafruddin, Rahmiah Syam, Alif Rahmawan Wahida, Masna