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All Journal SAINTI: Majalah Ilmiah Teknologi Industri Journal Serambi Engineering (JSE) WISDOM : Jurnal Pengabdian Kepada Masyarakat Wisdom
Ida Hasmita
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Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Other

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PROCESSING RICE HUSK WASTE INTO CHARCOAL AS A PLANT GROWING MEDIUM  AND ORGANIC FERTILIZER: PENGOLAHAN LIMBAH SEKAM PADI MENJADI ARANG SEKAM SEBAGAI MEDIA TANAM TUMBUHAN  DAN PUPUK ORGANIK Ida Hasmita; Eka Marya Mistar; Nadia Putri Mauliza; Muhammad
WISDOM : Jurnal Pengabdian Kepada Masyarakat Wisdom Vol. 2 No. 1 (2025): JPKM WISDOM 3, 2025
Publisher : PT. ROCE WISDOM ACEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71275/wisdom.v2i1.54

Abstract

Cot Puklat Village is a village located in Mukim Melayo where the rice farming profession is the main livelihood for the community. The extensive community rice fields in the village cause husk waste to accumulate after each harvest period, because the utilization of rice husk waste is still very minimal. This is the background for choosing the location of community service activities. This activity aims to socialize to the community about the utilization of rice husk waste into husk charcoal as organic fertilizer and plant media in Cot Puklat Village, Blang Bintang District, Aceh Besar Regency. The community service team (PkM) consists of five lecturers and 10 students majoring in Chemical Engineering, Universitas Serambi Mekkah. This training teaches the community to produce husk fertilizer from rice husk waste in order to provide benefits to the community in increasing the livelihood of the Cot Puklat village community. The community was very enthusiastic in participating in this community service activity. This activity is expected to be able to contribute and play an active role in creating a beautiful, beautiful, and healthy environment, especially in the Cot Puklat Village environment
Efektivitas Ekstrak Daun Kopasanda (Chromolaena Odorata L.) Sebagai Penangkal Efek Radikal Bebas Formulasi Tabir Surya Hikmah Ramadana Nasution; Ida Hasmita; Eka Marya Mistar
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Kopasanda (Chromolaena Odorata L.) is a plant that contains flavonoid compounds in it where these compounds can act as natural antioxidants. This study aims to see the effectiveness of kopasanda leaf extract as a free radical scavenger in sunscreen formulations. Currently, the need for skin care is increasing, where the level of skin brightness is one indicator of skin health. Skin color when exposed to UV rays will change even if left to be exposed continuously which is worse can cause cancer. Kopasanda leaves are studied to contain ingredients rich in flavonoids such as polyphenol compounds that have a role as antioxidants in warding off free radicals. In proving this, it is necessary to test the antioxidant activity with the DPPH method, as well as apply it as a lotion product. Kopasanda leaf extract with the addition of ethanol solvent with varying concentrations of kopasanda leaf extract additives of 1%, 3%, 5%, and 7% with stirring times of 30 minutes, 60 minutes, and 90 minutes. The results of the study on antioxidant activity without adding a concentration of 0 were 124,845 ppm and the antioxidant activity with the addition of a concentration of 5% and 7% were 117,230 ppm and 114,201 ppm.
RANCANG BANGUN DAN UJI KINERJA REAKTOR HIDROLISIS BERPENGADUK DENGAN PENCACAH TERINTEGRASI UNTUK PRODUKSI GLUKOSA DARI KULIT NANAS Kristanti Oktripani Lubis; Hafizah Khairani Jarendi; Regna Tri Jayanti; Khairul Akli; Ida Hasmita
SAINTI: Majalah Ilmiah Teknologi Industri Vol. 22 No. 2 (2025)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/sainti.v22i2.63

Abstract

Permintaan energi terbarukan mendorong eksplorasi biomassa lignoselulosa, seperti kulit nanas, sebagai bahan baku bioetanol. Penelitian ini bertujuan merancang dan mengevaluasi kinerja reaktor hidrolisis berpengaduk dengan sistem pencacah terintegrasi untuk mengoptimalkan konversi kulit nanas menjadi glukosa. Reaktor berkapasitas 5 liter ini menggunakan impeler Pitched Blade Turbine (PBT) yang dimodifikasi dengan pisau pencacah pada ujung bilah untuk memungkinkan pengecilan ukuran partikel secara in situ. Hidrolisis dilakukan menggunakan H2​SO4​ 1% pada suhu 100°C selama 120 menit dengan kecepatan pengadukan 1.400 rpm. Hasil menunjukkan peningkatan signifikan pada kadar glukosa (3,4% menjadi 8,88%), nilai Brix (3,5°Bx menjadi 9°Bx), densitas (0,9998 g/mL menjadi 1,03 g/mL), dan viskositas (1,14 cP menjadi 1,85 cP). Ukuran partikel berkurang drastis dari ±1,03 cm menjadi ±0,02 cm. Integrasi fungsi pencacahan terbukti efektif meningkatkan luas permukaan kontak dan homogenitas reaksi, menjadikannya desain potensial untuk produksi bioetanol berkelanjutan
Co-Authors Eka Marya Mistar Hafizah Khairani Jarendi Hikmah Ramadana Nasution Khairul Akli Kristanti Oktripani Lubis Muhammad Muhammad Nadia Putri Mauliza Regna Tri Jayanti