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All Journal Seminar Nasional Teknik Kimia Kejuangan Prosiding Semnastek
Sari, Hutri Puspita
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Engineering Environmental Science

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Bioconversion of Fruit Wastes into High Economic Value of Lipids using Heterotrophic Microalgae Aurantiochytrium from Mangrove Forests of Bunyu Island, North Kalimantan Suhendra, Suhendra; Hutari, Andri; Pratiwi, Sekar; Sari, Hutri Puspita
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

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Abstract

Aurantiochytrium microalgae is recognized as heterotrophic microalgae enables to produce high economic value of lipids for the use in health care industries. This research presents the production of biomass containing lipids through the bioconversion of fruit waste using Aurantiochytrium microalgae. Aurantiochytrium microalgae isolate was obtained from isolated mangrove leaves in the mangrove forest of Bunyu Island, North Kalimantan. The production process takes place in three stages, namely standing culture (SC), pre-culture (PC), and main culture. The SC and PC stages took place 48 hours respectively, while the MC took place 120 hours. The source of nutrition at the main cultivation stage (MC) used monosodium glutamate (MSG) as a nitrogen source, while the carbon source was from fruit waste. Amount of 250 grams of fruit waste was mixed and blended, added with 250 ml of water and then sonicated. The mass ratio of nitrogen source and carbon source was 1:3. The maximum of observed microalgal cell diameters for each stage were 14.5 μm (SC), 19.2 μm (PC) and 25.5 μm (MC). Produced biomass in this experiment has the characteristics of a yellow emulsion liquid, pH 6.2, fishy smell and total dissolved solids (TDS) of 4,820 ppm and a wet biomass of 68 g/l
Kajian Teknologi Material Maju untuk Pengolahan Ion Sulfat pada Limbah Cair Industri Sari, Hutri Puspita; Rahayu, Aster; Hakika, Dhias Cahya
Prosiding Semnastek PROSIDING SEMNASTEK 2025
Publisher : Universitas Muhammadiyah Jakarta

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Pencemaran ion sulfat menjadi masalah serius dalam lingkungan, terutama akibat aktivitas industri seperti pertambangan dan pengolahan mineral. Tingginya konsentrasi sulfat dapat merusak kualitas air dan kesehatan manusia. Tujuan dari artikel ini adalah untuk mengevaluasi efektivitas material maju dalam menghilangkan ion sulfat dari air limbah. Metode yang digunakan mencakup studi literatur yang komprehensif, dengan fokus pada berbagai material seperti nanomaterial, komposit, dan resin penukar ion yang telah terbukti efektif dalam penghilangan sulfat. Hasil penelitian menunjukkan bahwa penggunaan ettringit dan polialuminum chloride (PAC) dapat mencapai efisiensi penghapusan sulfat hingga 90%. Selain itu, material seperti hidrokalumite dan resin penukar ion juga menunjukkan potensi yang signifikan. Kesimpulan dari penelitian ini menegaskan bahwa pemilihan material yang tepat dan pengaturan kondisi operasional, seperti pH dan waktu kontak, sangat berpengaruh terhadap efisiensi penghilangan sulfat. Oleh karena itu, penggunaan material maju menawarkan solusi yang lebih berkelanjutan untuk mengatasi pencemaran sulfat dalam industri, sekaligus mendukung pengelolaan air limbah yang lebih efektif dan ramah lingkungan. Artikel ini diharapkan dapat memberikan wawasan baru untuk praktik pengolahan air yang lebih baik di masa depan.
Bioconversion of Fruit Wastes into High Economic Value of Lipids using Heterotrophic Microalgae Aurantiochytrium from Mangrove Forests of Bunyu Island, North Kalimantan Suhendra, Suhendra; Hutari, Andri; Pratiwi, Sekar; Sari, Hutri Puspita
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2023: PROSIDING SNTKK 2023
Publisher : Seminar Nasional Teknik Kimia "Kejuangan"

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Aurantiochytrium microalgae is recognized as heterotrophic microalgae enables to produce high economic value of lipids for the use in health care industries. This research presents the production of biomass containing lipids through the bioconversion of fruit waste using Aurantiochytrium microalgae. Aurantiochytrium microalgae isolate was obtained from isolated mangrove leaves in the mangrove forest of Bunyu Island, North Kalimantan. The production process takes place in three stages, namely standing culture (SC), pre-culture (PC), and main culture. The SC and PC stages took place 48 hours respectively, while the MC took place 120 hours. The source of nutrition at the main cultivation stage (MC) used monosodium glutamate (MSG) as a nitrogen source, while the carbon source was from fruit waste. Amount of 250 grams of fruit waste was mixed and blended, added with 250 ml of water and then sonicated. The mass ratio of nitrogen source and carbon source was 1:3. The maximum of observed microalgal cell diameters for each stage were 14.5 μm (SC), 19.2 μm (PC) and 25.5 μm (MC). Produced biomass in this experiment has the characteristics of a yellow emulsion liquid, pH 6.2, fishy smell and total dissolved solids (TDS) of 4,820 ppm and a wet biomass of 68 g/l
Co-Authors Dhias Cahya Hakika Hutari, Andri Pratiwi, Sekar Rahayu, Aster Suhendra Suhendra Suhendra Suhendra