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Nimas Mayang Sabrina Sunyoto
Universitas Brawijaya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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EFFECT OF NUTRIENT SUPPLEMENTATION ON BIOLOGICAL PRETREATMENT Paenibacillus sp. FOR DELIGNIFICATION OF OIL PALM EMPTY FRUIT BUNCHES Eka Nur Shabrina; Randy Aprilia Alfarizki; Nur Hidayat; Nimas Mayang Sabrina Sunyoto; Sri Suhartini; Irnia Nurika
Jurnal Teknologi Pertanian Vol. 26 No. 2 (2025)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2025.026.02.3

Abstract

Oil palm empty fruit bunches (OPEFB) are an abundant byproduct of the palm oil industry, rich in lignocellulosic components, but remain underutilized due to their recalcitrant structure. Paenibacillus sp., known for lignin-degrading bacteria, was tested for its ability to degrade lignin in OPEFB by adding sucrose and ammonium nitrate as carbon and nitrogen sources. Experimental treatments included various combinations of sucrose (2.5% and 5%) and ammonium nitrate (0.1% and 0.2%) added to OPEFB substrates. Compared to the untreated control (13.92% lignin degradation), the treated sample with 5% sucrose + 0.2% ammonium nitrate resulted in the highest lignin degradation, reaching 53.85% (p < 0.05). Biomass weight loss (21%) and TRS (12.41 mg/g) in the treated sample were also considerably higher than in the control, indicating enhanced depolymerization activity. These results demonstrate that optimal carbon and nitrogen supplementation promotes bacterial growth and significantly enhances the breakdown of lignocellulosic structures in OPEFB.
APLIKASI BIOCHAR AMPAS TEBU TERAKTIVASI KOH UNTUK ADSORPSI KROMIUM DAN FITOTOKSISITASNYA TERHADAP KACANG HIJAU (Vigna radiata) Shafa Salsabila Aji; Nimas Mayang Sabrina Sunyoto; Mohd Zulkhairi Mohd Yusoff; Hendrix Yulis Setyawan; Ika Atsari Dewi; Sakunda Anggarini; Hariana
Jurnal Teknologi Pertanian Vol. 26 No. 2 (2025)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2025.026.02.6

Abstract

Pencemaran kromium heksavalen (Cr(VI)) dalam air limbah industri dengan konsentrasi yang tinggi menimbulkan risiko serius bagi kesehatan manusia dan lingkungan. Diperlukan pengolahan lebih lanjut untuk menurunkan konsentrasi logam berat tersebut sebelum dibuang ke lingkungan, salah satunya melalui proses adsorpsi. Penelitian ini mengkaji kemampuan karbon aktif berbasis limbah ampas tebu sebagai adsorben dalam menurunkan konsentrasi kromium serta efek fitotoksisitas terhadap perkecambahan kacang hijau. Faktor yang digunakan dalam penelitian adalah massa adsorben (0,5g; 2,5g; 4,5g) dan waktu kontak (30 menit, 90 menit, 150 menit). Karbon aktif dibuat dengan proses karbonasi 600oC selama 1 jam dan diaktivasi menggunakan KOH 1M selama 24 jam. Proses adsorpsi dilakukan secara batch menggunakan larutan kromium sintetik K2Cr2O7 dengan konsentrasi awal 370 mg/l sebanyak 100 ml. Hasil uji AAS menunjukkan penurunan maksimal konsentrasi akhir kromium menjadi 80,31mg/l dengan efisiensi removal sebesar 78,29%. Kapasitas adsorpsi optimal didapatkan pada massa adsorben 0,5 gram yaitu sebesar 57,65 mg/g. Analisis isoterm menunjukkan model Freundlich paling sesuai menggambarkan mekanisme adsorpsi. Efek fitotoksisitas menunjukkan hubungan berbanding terbalik dengan nilai AAS, dimana perlakuan dengan nilai AAS terendah menghasilkan perkecambahan terbaik. Didapatkan panjang akar dan tunas tertinggi masing-masing sebesar 5,47 mm dan 15,99 mm. Penelitian ini menunjukkan bahwa karbon aktif dari limbah ampas tebu yang diaktivasi KOH memiliki potensi besar sebagai material adsorben dalam proses pengolahan air limbah. Dengan efisiensi adsorpsi yang cukup tinggi, karbon aktif ini layak dikembangkan lebih lanjut sebagai solusi ramah lingkungan untuk menurunkan kandungan kromium dalam air limbah industri.
Pengolahan Limbah Cair Tahu Menjadi Pupuk Organik Cair (POC) untuk Pertanian Berkelanjutan Desa Kunir Kidul Kabupaten Lumajang: Processing of Liquid Tofu Waste into Liquid Organic Fertilizer (LOF) for Sustainable Agriculture in Kunir Kidul Village, Lumajang Regency Ria Dewi Andriani; Yuli Frita Nuningtyas; Jaisy Aghniarahim Putritamara; Nimas Mayang Sabrina Sunyoto; Rischa Amalia Saleha
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 5 (2026): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v11i5.11421

Abstract

The tofu industry is one of the soybean-based food processing sectors that generates liquid waste with high organic content. Kunir Kidul Village in Lumajang Regency is one of the centers of small-scale household tofu production, where most producers still lack adequate waste management systems. This community service program aims to improve local residents’ knowledge and skills in processing tofu wastewater into liquid organic fertilizer through fermentation with effective microorganisms (EM). The activities were carried out through stages of socialization, training, mentoring, and evaluation, involving tofu MSME owners and local farmer groups. Liquid organic fertilizer was produced by mixing tofu wastewater, molasses, EM-4, rice-washing water, and additional organic materials, then fermenting for 14–15 days using an airlock system. The fermentation process produced a dark-brown liquid fertilizer with a fresh aroma and a pH of 4.5–6.5. The resulting product can be applied to plants by soil drenching or foliar spraying and has been proven to enhance the vegetative growth of chili and mustard plants. This activity not only reduces the potential for environmental pollution but also creates new business opportunities based on a circular economy model, supporting the implementation of sustainable agriculture and the Sustainable Development Goals (SDGs) at the village level. Furthermore, the program contributes to achieving the SDGs, particularly SDG 2 through increased agricultural productivity, SDG 6 through reduced liquid waste pollution, SDG 8 through the creation of new economic opportunities, SDG 12 through the implementation of circular economy practices, and SDG 13 through reduced dependence on chemical fertilizers.
Co-Authors Achmad Fariz Alan Hafiludin Aniesa Samira Bafadhal ARIF HIDAYAT Aynun Nadhifah Bayu Rahayudi Bernardia Filia Nareswari Daniel Kurniawan Desi Wiwis Sahendrati Dodik Prasetyo Eka Nur Shabrina Eko Sulkhani Fajri Anugroho Ferdyandika Putra Aprilia One Hariana Hendrix Yulis Setyawan Hikmat Avisenna Ika Atsari Dewi Indra Waluyhadi Inggit Kresna Maharsih Irnia Nurika Isnan Nurdiansyah Ivanti Lilianti Sari Izzati Ardhan Firdausyi Izzati Ardhan Firdausyi Jaisy Aghniarahim Putritamara Jaya Mahar Maligan Khosid Mahendra Ismail Khothibul Umam Al Awwal Mochammad Syamsul Hadi Mohd Zulkhairi Mohd Yusoff Muhamad Toha Muhammad Syamsul Hadi Muthia El Afwa Nadya Lulu Nur Aziza Nadya Prabaningtias Nur Hidayat Nur Hidayat Prasti Eka Lutfiani Randy Aprilia Alfarizki Reni Zulismar Ria Dewi Andriani Ria Dewi Andriani Ria Dewi Andriani Rini Yulianingsih Rischa Amalia Saleha Sakunda Anggarini Shafa Salsabila Aji Shafira Arini Sundari Siti Asmaul Mustaniroh Sri Kumalaningsih Sri Suhartini Suprayogi Suprayogi Tia Subekti Ulimaz Rahma Wijayanti Umi Fadhilah Vindhya Tri Widayanti Wignyanto Wignyanto Yasa Palaguna Umar Yossi Hendrawan Saraswanta Yuli Frita Nuningtyas Zaqlul Iqbal