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All Journal Jurnal Redoks Kinetika
Idha Silviyati
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Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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CHARACTERISTICS OF GLASS SOAP BASED ON VIRGIN COCONUT OIL (VCO) WITH THE ADDITION OF BASIL LEAF EXTRACT (OCIMUM BASILICUM L.) AS ANTISEPTICS Meilianti; Idha Silviyati; Adi Syakdani
KINETIKA Vol. 13 No. 02 (2022): KINETIKA 01072022
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Soap is formed from a mixture of fat or oil with sodium or potassium salts made through the saponification process ofthe reaction between triglycerides and alkali. Glass soap is a innovation in the form of solid soap which has a smallsize in the form of a thin sheet that is easier to carry when active outside the home. Basil leaves contain flavonoid,tannins, saponins and other active ingredients that can be used as antibacterial. Glycerin can be used as a mixture insoap making as a plasticizer because it can make the texture of the soap elastic. The process of making glass soapuses a saponification process with variations in the addition of glycerin concentrations (w/w) of 5.5%, 10.5%, 15.5%,20.5%, 25.5% in curing time for 15 days. The results of the analysis showed that glass soap with the addition of 10%glycerin concentration with a curing time of 15 days was the best formulation and met the characteristics of SNI. Theresults of the analysis showed that the water content was 0.45%, the material was insoluble in ethanol 1.20%, ALB1.5%, free alkali 0.05%, and pH 10.
ANALISA KONSUMSI ENERGI SPESIFIK PIROLISATOR DOUBLE KONDENSOR PADA KONVERSI LIMBAH BIOMASSA MENJADI ASAP CAIR Ajeng Mawarni Putri; Ida Febriana; Idha Silviyati
Jurnal Redoks Vol. 8 No. 1 (2023): REDOKS JANUARI-JUNI
Publisher : Universitass PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/redoks.v8i1.9123

Abstract

Jumlah sampah yang tertimbun mengalami peningkatan seiring dengan meningkatnya pertumbuhan penduduk, salah satunya limbah kayu. Limbah kayu dapat dikelola menjadi asap cair dengan pirolisis karena apabila ditumpuk terus menerus, limbah ini akan menghasilkan gas metana. Penelitian ini menggunakan variabel tetap dan kendali. Variabel tetap berupa bahan baku yaitu tempurung kelapa dan serbuk jati dengan ukuran sampel 20 dan 60 mesh. Serta variabel kendali berupa suhu proses yang dijaga pada suhu 325oC. Dibutuhkan suatu metode yang tepat dalam mengelola limbah kayu menjadi asap cair melalui proses pirolisis. Dari hasil penelitian yang dilakukan, nilai konsumsi energi spesifik terefisien diperoleh dari tempurung kelapa 60 mesh dengan nilai 5,65 kWh/l dengan konsumsi daya 4,49 kWh dan produk yang dihasilkan 0,795 liter. Serta rendemen terbanyak diperoleh dari serbuk kayu ajti 60 mesh pada fasa 1 dengan nilai sebesar 16,1%. Kata Kunci: biomassa kayu, pirolisis, pirolisator double kondenser, asap cair        
Co-Authors Ajeng Mawarni Putri Ida Febriana Meilianti Syakdani, Adi