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All Journal Jukung (Jurnal Teknik Lingkungan) IJEMS (Indonesian Journal of Environmental Management and Sustainability)
Rinanda, Bismi Lyra
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Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Public Health

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ANALISIS ALAT PLAMBING HEMAT AIR DI GEDUNG PERKANTORAN (STUDI KASUS: GEDUNG REKTORAT UNIVERSITAS ANDALAS) Komala, Puti Sri; Nur, Ansiha; Ridwan, Ridwan; Rinanda, Bismi Lyra
Jukung (Jurnal Teknik Lingkungan) Vol 11, No 1 (2025)
Publisher : Program Studi Teknik Lingkungan Fakultas Teknik Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jukung.v11i1.22194

Abstract

Penelitian ini bertujuan untuk mengevaluasi pemakaian air menggunakan peralatan plambing konvensional dan membandingkannya dengan peralatan plambing hemat air serta merencanakan alat plambing hemat air di Gedung Rektorat. Jumlah pemakaian air alat plambing konvensional mengacu ke SNI 03-7065-2005. Alat plambing hemat air yang diusulkan adalah sistem dual flush dan sensor gerak, karena sistem ini lebih efisien dalam menghemat air, praktis, dan higienis. Perbandingan pemakaian air dengan alat plambing konvensional berdasarkan SNI yaitu 353,8 l/h, sedangkan pemakaian air dengan alat plambing hemat air menggunakan sistem dual flush dan sensor gerak sebesar 251,2 l/h. Perbandingan ini menunjukkan bahwa pemakaian air menggunakan alat plambing hemat air lebih rendah dibandingkan alat plambing konvensional, dimana persentase penghematan mencapai 40,4%. Oleh karena itu, perencanaan sistem plambing hemat air ini diharapkan dapat menjadi solusi untuk pemakaian air yang lebih efisien.
Composting of Cow Dung, Garden Waste, and Market Waste using Local Microorganisms (LMO) through the Takakura Stacking Method Rinanda, Bismi Lyra; Aziz, Rizki; Yenni
Indonesian Journal of Environmental Management and Sustainability Vol. 9 No. 2 (2025): June
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2025.9.2.87-97

Abstract

One of the main challenges in agricultural practices is the heavy reliance on chemical fertilizers without being balanced by the use of organic fertilizers. This study aims to analyze the maturity, quality, and quantity of compost produced from a mixture of cow dung, garden waste, and market waste using the Takakura Layered Method with EM4 and Local Microorganisms (LMOs) as activators. The LMOs used included LMO A (tuna fish waste, sugarcane bagasse, and pineapple peel) and LMO B (tuna fish waste, banana peel, and vegetable scraps). Composting was conducted in duplicate with seven treatment variations: (A) cow dung with EM4, (B) cow dung with LMO A, (C) cow dung with LMO B, (D) cow dung mixed with garden waste and LMO A, (E) cow dung mixed with garden waste and LMO B, (F) cow dung mixed with garden and market waste with LMO A, and (G) cow dung mixed with garden and market waste with LMO B. The results showed that all treatments met the composting standards. All variations complied with the Indonesian National Standard (SNI 19-7030-2004) in both maturity parameters (pH, temperature, color, texture, odor, and composting duration) and quality parameters (moisture content, C-organic, nitrogen, C/N ratio, phosphorus, and potassium). The compost quantity was reduced by 27–58%. The best result was observed in variation (D1), which consisted of cow dung, garden waste, and LMO A, achieving a score of 39 with a composting time of only 6 days.
Co-Authors Nur, Ansiha Puti Sri Komala Ridwan, Ridwan Rizki Aziz Yenni