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All Journal Jurnal Abdimas Madani dan Lestari (JAMALI) JOURNAL OF CHEMICAL NATURAL RESOURCES (JCNaR)
Bako, Ilham Perkasa
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Materials Science & Nanotechnology Other

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Pemberdayaan Masyarakat Desa Tadukan Raga melalui Budidaya Jamur Merang dan Maggot BSF untuk Pengolahan Limbah Perkebunan Bernilai: indonesia Bako, Ilham Perkasa; Sidabutar, Rivaldi; Al Fath, Muhammad Thoriq; Dalimunthe, Nisaul Fadilah; Buysang, Luke Gilbert; Vella, Radia; Vannes, Vannes
Jurnal Abdimas Madani dan Lestari (JAMALI) Volume 07, Issue 02, September 2025
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jamali.vol7.iss2.art11

Abstract

Community service aims to provide tangible contributions by offering innovative solutions to various local problems. One of Indonesia’s major issues, especially in urban areas, is waste management. Every day, tons of waste are produced, but it is often disposed of without further processing. A lack of public knowledge about organic waste management is a key contributing factor. In Tadukan Raga Village, Deli Serdang Regency, Universitas Sumatera Utara implemented a community service program to educate residents on environmentally friendly organic waste processing using maggots. Maggots can decompose organic waste and produce residue that serves as fertilizer, while the larvae themselves are valuable as fish feed. Additionally, residents were trained in straw mushroom cultivation to maximize the benefits of organic waste. The program successfully increased public awareness of waste management, produced economically valuable products, and established maggot-based production facilities. This initiative not only reduced environmental impact but also supported local economic sustainability. Recognizing further potential for development, additional training continues to be conducted to strengthen the program’s outcomes.
Modification of Hydrophobic Polymer-Based Membranes with Gambir Tannin as a Natural Additive to Reduce Humic Acid in Water Bako, Ilham Perkasa
Journal of Chemical Natural Resources Vol. 7 No. 1 (2025): Journal of Chemical Natural Resources (JCNaR)
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jcnar.v7i1.21863

Abstract

Membrane technology is widely used in water treatment processes. This study aims to evaluate the effect of gambir tannin, a natural additive, on the performance of hydrophobic polymer membranes made from polyvinylidene fluoride (PVDF) and polyethersulfone (PES). Membranes were fabricated using the casting–phase inversion method with 0% and 1% tannin concentrations. Membrane characterization included functional group analysis, permeability tests with pure water and humic acid, antifouling performance, and chemical stability. Addition of tannin introduced hydrophilic functional groups into the polymer matrix, resulting in improved membrane porosity, flux recovery ratio (FRR), and fouling resistance. The most significant finding of this study is that the incorporation of 1% gambir tannin increased the pure water flux up to 20.67 L/m²·h for PVDF membranes and 102.46 L/m²·h for PES membranes, while maintaining high antifouling properties and stable performance in acidic and alkaline environments. These results demonstrate the potential of gambir tannin as a sustainable additive for enhancing membrane performance in water purification applications.
Co-Authors Al Fath, Muhammad Thoriq Buysang, Luke Gilbert Dalimunthe, Nisaul Fadilah Sidabutar, Rivaldi Vannes, Vannes Vella, Radia