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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Purifikasi Jurnal Cahaya Mandalika Journal La Lifesci International Journal of Robotics and Control Systems Envirous Journal of Community Service Serambi Engineering
Ali, Munawar
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences

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Analisis Status Mutu Air Berbasis Indeks Pencemaran Pada Sungai Marengan Kecamatan Kota Sumenep Ahmad Januarta Pratama; Ali, Munawar; Syadzadhiya Qothrunada Z.N
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Marengan River serves as a critical freshwater resource for local residents; however, escalating human-induced activities have contributed to its declining water quality. This research aims to evaluate the river's water quality status through an analysis of water quality indicators and a pollution index assessment. The methodology included field observations, water sampling at five selected points along the river, and laboratory examinations measuring BOD, COD, TSS, DO, nitrate, phosphate, and total coliform levels. Findings revealed that BOD and COD concentrations at all locations surpassed the environmental quality standards, with the third sampling point exhibiting the most elevated levels. The calculated Pollution Index values ranged between 5.24 and 7.85, categorizing the river as moderately to heavily polluted. Key pollution contributors are presumed to include household wastewater, agricultural discharge, and organic matter. The study concludes that urgent action is needed to address the environmental degradation of the Marengan River, through wastewater treatment implementation, watershed area restoration, and active community participation. These interventions are recommended to foster sustainable river basin management and improve overall water quality.
EFFECT OF ROTATION SPEED OF RBC ON SUGAR WASTE WATER TREATMENT Ali, Munawar; Safirin, MT
Jurnal Cahaya Mandalika ISSN 2721-4796 (online) Vol. 3 No. 1 (2022)
Publisher : Institut Penelitian Dan Pengambangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/jcm.v3i1.1493

Abstract

Sugar Industry waste water has a high Chemical Oxygen Demand (COD) content so that it becomes a serious threat to the environment if it is not treated properly. For this reason, it is necessary to carry out processing efforts, one of which is with an alternative processing technology using a Rotating Biological Contactor (RBC). RBC is a wastewater treatment reactor physically and biologically consisting of a circular disk rotated by a shaft at a certain speed. This study aims to determine the efficiency of removal in treating wastewater from sugar factories and to identify microorganisms that play a role in the process of removing organic matter. In this study using variations of disc rotation speed and influent COD concentration. The parameter studied was COD from the sugar factory wastewater from Candi Baru, Sidoarjo. The results of the most effective variations in COD removal were at a disc rotation speed of 4 rpm with an influent COD concentration of 260 mg/L and for parameters. The highest reduction efficiency is 87.69 % for COD. The overall results of this study indicate that changes in disc rotational speed affect the removal efficiency for the COD parameter.
IMPLEMENTATION OF ENVIRONMENTAL MANAGEMENT SYSTEM (ISO 14001:2015) IN WASTE MANAGEMENT AT PRIVATE SCHOOL IN SIDOARJO Muzayyid, Ahmad; Ali, Munawar; Murti, Restu Hikmah Ayu
Purifikasi Vol 24 No 2 (2025): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/purifikasi.v25i2.468

Abstract

Salah satu sekolah swasta jenjang Sekolah Menengah Pertama (SMP) di Sidoarjo tengah memulai tahap awal pelaksanaan program Adiwiyata. Pada tahap ini, permasalahan utama yang dihadapi adalah pengelolaan sampah. Penelitian ini bertujuan untuk menganalisis penerapan Sistem Manajemen Lingkungan (SML) ISO 14001:2015 dalam pengelolaan sampah di sekolah tersebut. Pendekatan yang digunakan adalah pendekatan kualitatif, dengan teknik pengumpulan data berupa observasi, wawancara, dan penyebaran kuesioner. Hasil penelitian menunjukkan bahwa implementasi SML telah dimulai dengan pembentukan organisasi internal bernama “Tim Ninja Hijau”. Namun, masih terdapat beberapa aspek yang perlu ditingkatkan, khususnya dalam hal dokumentasi, perencanaan strategis, dan evaluasi kinerja. Tingkat kesiapan sekolah berdasarkan hasil kuesioner mencapai 79%, yang menunjukkan bahwa sekolah secara umum sudah cukup siap untuk mengimplementasikan ISO 14001:2015 secara lebih komprehensif. Penelitian ini merekomendasikan agar sekolah segera menyusun kebijakan lingkungan secara tertulis, menyelenggarakan pelatihan, serta membentuk prosedur operasional standar dalam pengelolaan sampah.
Co-Authors A. A. Ngurah Gunawan Ahmad Januarta Pratama Arale, Ade Lila Aulia Ulfah Farahdiba Diyasa, I Gede Susrama Mas Dwi Arman Prasetya Hendrasarie, Novirina Ibrahim, Mohd Zamri Bin Karuniawan, Hamsah Kinanty, Retno Luchmanandri, Rahmadini Mirwan, M. MT Safirin Murti, Restu Hikmah Ayu Muzayyid, Ahmad Nababan, Dorti Jouba Novembrianto, Rizka Nurhayati, Radityazty Dahayu Nurjanna, Annisa Qatrunada, Sekar Huwaidah Rosariawari, Firra Syadzadhiya Qothrunada Z.N Thohiroh, Mubayyinatuth