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All Journal TechLINK: Jurnal Ilmiah Lingkungan Jurnal Satya Informatika Jurnal Ilmiah Mahasiswa Teknik
Nurhayati
Universitas Satya Negara Indonesia
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Environmental Science Health Professions Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Other

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PENGARUH KONSENTRASI EFFECTIVE MIKROORGANISME 4 (EM4) PADA PEMBUATAN PUPUK CAIR ORGANIK AKAR PISANG (Rhizoma musa) TERHADAP WAKTU INKUBASI Miseri Jordias Moho; Nurhayati
JURNAL TECHLINK Vol 9 No 2 (2025): Vol. 9 No. 2 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i2.710

Abstract

Limbah akar pisang merupakan salah satu potensi bahan organik yang belum dimanfaatkan secara optimal. Penelitian ini bertujuan untuk mengetahui pengaruh variasi konsentrasi EM4 dan waktu inkubasi terhadap kualitas pupuk cair organik berbasis akar pisang. Proses fermentasi dilakukan dengan penambahan EM4 pada tiga konsentrasi (50 ml, 75 ml, 100 ml), molase 250 gram, dan air 10 liter. Parameter yang dianalisis meliputi pH, suhu, total bakteri, serta kandungan Nitrogen, Fosfor, dan Kalium. Hasil penelitian menunjukkan bahwa hari ke-10 merupakan waktu inkubasi terbaik dengan kandungan N mencapai 0,25%, P sebesar 0,39%, dan K masih dalam kisaran optimal 1,72%. Nilai pH dan suhu stabil pada rentang ideal fermentasi (pH 6–7; suhu 26–28°C). Kombinasi terbaik diperoleh pada perlakuan C (100 ml EM4).
EVALUASI AKSEPTABILITAS TEKNOLOGI AI DALAM PERTANIAN BERKELANJUTAN DALAM KERANGKA SDGs 2 Nurhayati
JURNAL SATYA INFORMATIKA Vol. 10 No. 2 (2025): JURNAL SATYA INFORMATIKA
Publisher : FAKULTAS TEKNIK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jsk.v10i2.764

Abstract

Farming on large tracts of land in Indonesia is very difficult. This is because land is already being used for residential areas, which are increasing annually, and industrial development is increasing. Currently, the younger generation in Indonesia is not interested in agriculture, considering that agricultural yields are very low and do not guarantee a future. The existence of artificial intelligence (AI) technology and the assistance of IoT, a network of connected objects within AI, synergizes with each other, resulting in technological discoveries, especially in the agricultural sector, that can help reduce labor and agricultural failure due to natural conditions. This precision farming technology can make a strategic contribution to achieving SDG 2 (Zero Hunger) in the smallholder agricultural sector. This can be summarized in three main pillars: Productivity, Resilience, and Economic Inclusion. Precision farming technology can be formulated as a transformation of human profitability because it goes beyond achieving production figures to improving living standards.
The Design of Domestic Wastewater Treatment Plant with Anaerobic - Aerobic System: Indonesia Indra Ajiyanto; Nurhayati
JURNAL JIMATEK Vol. 3 No. 2 (2026): JIMATEK : JURNAL ILMIAH MAHASISWA TEKNIK
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jimat.v3i2.768

Abstract

Industrial sector growth inevitably requires proper domestic wastewater management. At PT. X, warehousing activities produce 3.13 m³/day of domestic wastewater from 33.33 m³/day of clean water usage. This wastewater originates from toilets, prayer rooms, and building maintenance, containing pollutants such as BOD, COD, TSS, ammonia, oil & grease, total coliform, and pH. This study aims to design a wastewater treatment system tailored to the wastewater characteristics and field conditions, using a combination of anaerobic and aerobic processes. A qualitative descriptive method was applied, with purposive sampling used to collect wastewater samples from operational facilities. The proposed WWTP consists of eight treatment stages, designed based on retention time and pollutant load to ensure optimal efficiency. Results showed pollutant reduction rates of 85% BOD, 85% COD, 90% TSS, 98% ammonia, 95% oil & grease, and 99.99% total coliform. The study concludes that a WWTP with a capacity of 5 m³/day is required to treat 3.13 m³/day of domestic wastewater
Co-Authors Indra Ajiyanto Miseri Jordias Moho