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All Journal Jurnal Teknik Kimia Jurnal Dampak Media Ilmiah Teknik Lingkungan Jurnal EnviScience (Environment Science) Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Envirous Jurnal Sains dan Teknologi Environmental Engineering Journal ITATS Serambi Engineering (Journal of Environmental Sustainability Management)
Okik Hendriyanto Cahyonugroho
University Of Pembangunan Nasional Veteran Jawa Timur
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EVALUASI SISTEM DRAINASE DI WILAYAH KECAMATAN WARU, KABUPATEN SIDOARJO DENGAN SOFTWARE HEC-RAS Astika, Maeza Nurrisma; Cahyonugroho, Okik Hendriyanto
Envirous Vol. 1 No. 1 (2020): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v1i1.19

Abstract

Penerapan sistem drainase konvensional yang memiliki prinsip mengalirkan air secepat-cepatnya ke badan air tidak efektif dikarenakan mengurangi kesempatan meresapnya air ke dalam tanah. Oleh karena itu diperlukan melakukan evaluasi terhadap dimensi saluran drainase eksisting di beberapa wilayah Kecamatan Waru untuk mengetahui debit air hujan yang dapat ditampung. Dalam penelitian ini dilakukan analisis secara teknis dan program. Analisis secara program menggunakan software HEC-RAS 5.0.7 yang dapat mensimulasi tinggi genangan di atas saluran drainase. Hasil dari analisis dan evaluasi, terdapat 23 saluran yang tergenang dari 52 saluran yang dianalisis. Saluran yang tergenang pada bagian hulu dan hilir sebanyak 7 saluran dan saluran yang tergenang hanya pada bagian hilir sebanyak 16 saluran. Penanggulangan banjir di Kecamatan Waru dapat dilakukan dengan normalisasi saluran terhadap genangan air yang besar dan tinggi dengan cara memperbaiki penampang saluran yang tidak dapat menampung debit limpasan.
Analysis of CO2 Emission Generation in the Transportation and Mining Sector in Banawa District, Donggala Regency Amini, Novira Putri; Cahyonugroho, Okik Hendriyanto
Jurnal EnviScience (Environment Science) Vol. 7 No. 2 (2023)
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jev.v7i2.611

Abstract

Donggala Regency is an area traversed by a national road connecting two provinces in Sulawesi and is also the largest supplier of class C minerals in Indonesia. Both sectors are contributors to CO2 emissions in the air. It is necessary to carry out an emissions inventory to provide an overview of air quality and an indication of air condition in the environment. The primary purpose of an emissions inventory is to analyze the sources of exhaust gases that emit pollutants into the atmosphere. This study aims to provide an inventory of CO2 emissions from the transportation and mining sectors in Banawa District, Donggala Regency using the IPCC. The results showed that the CO2 emissions generated from the transportation and mining sectors at the research location amounted to 5,401.11 tons∙year-1. The types of vehicles that produce the most CO2 are minibuses and motorcycles. The generation of CO2 emissions in the mining sector is not that large because the location and heavy equipment used do not have large quantities.
Pemodelan Pola Persebaran Emisi NOx Dari Pembakaran Kiln Industri Keramik di Mojokerto Menggunakan Software GRAL (Graz Lagrangian Model) Stalis, Ahmad Nazil; Cahyonugroho, Okik Hendriyanto
Jurnal EnviScience (Environment Science) Vol. 9 No. 1 (2025): The Environment In Global Health Governance:An Analysis of Environment-Related
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jev.v9i1.652

Abstract

Widespread industrial activities pose a significant threat to air quality. This research focuses on the dispersion of the ceramic industry on air quality, particularly from the kiln combustion process. The objective of this study is to analyze the pattern of NOx emissions dispersion around the ceramic industry. The air quality parameter under investigation is the concentration of NOx as the primary indicator of air pollution. Primary data was obtained from laboratory testing on kiln chimneys, and meteorological data was acquired from secondary sources, namely NASA Power. The modeling method applied involves the use of GRAL (Graz Lagrangian Model) software. The research results visualize the NOx dispersion pattern in the study area, with wind speed and direction significantly influencing it. Monitoring at 10 predetermined points yielded values below the ambient air quality standard of 200 µg/m3. The highest concentration value occurred at point 1, with a NOx concentration of 36.1 µg/m3, and the lowest concentration occurred at point 4, at 1.4 µg/m3. These findings provide in-depth insights into the impact of the ceramic industry on the surrounding environment. The research confirms that kiln combustion activities in the ceramic industry contribute to a decrease in air quality in the surrounding region. The GRAL modeling method offers a better understanding of emission dispersion patterns. Aktivitas industri yang meluas mengancam kualitas udara secara signifikan. Penelitian ini memfokuskan pada persebaran industri keramik terhadap kualitas udara, khususnya dari proses pembakaran kiln. Tujuan penelitian ini adalah menganalisis pola persebaran emisi NOx di sekitar industri keramik. Parameter kualitas udara yang diteliti adalah konsentrasi NOx sebagai indikator utama polusi udara. Data primer diperoleh dari pengujian laboratorium pada cerobong kiln dan data meteorologi diperoleh dari sumber sekunder, yaitu NASA Power. Metode permodelan yang diterapkan adalah menggunakan perangkat lunak GRAL (Graz Lagrangian Model). Hasil penelitian memvisualisasikan pola dispersi NOx dalam area penelitian, dengan kecepatan dan arah angin memiliki pengaruh signifikan. Pemantauan pada 10 titik yang telah ditentukan memiliki nilai dibawah baku mutu udara ambien yaitu sebesar 200 µg/m3. Nilai konsentrasi tertinggi terjadi di titik 1 dengan nilai konsentrasi NOx sebesar 36,1 µg/m3 dan konsentrasi terendah  terjadi di titik 4 yaitu sebesar 1,4 µg/m3. Temuan ini memberikan wawasan yang mendalam tentang dampak industri keramik terhadap lingkungan sekitar. Penelitian ini menegaskan bahwa aktivitas pembakaran kiln dalam industri keramik berkontribusi pada penurunan kualitas udara di wilayah sekitarnya. Metode permodelan GRAL memberikan pemahaman yang lebih baik tentang pola persebaran emisi. 
Strategi optimalisasi jalur hijau dalam peningkatan potensi sekuestrasi CO2 (studi kasus: Jalan Jagir Wonokromo) Salamah, Shalzafatihah; Cahyonugroho, Okik Hendriyanto
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 7, No 3 (2023)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.7.3.233-243

Abstract

Jalan Jagir Wonokromo in Surabaya City, East Java is a secondary arterial road with an average traffic density of 120,000 units per day and is surrounded by office, residential and commercial areas. The following conditions cause a lot of CO2 emissions resulting from anthropogenic activities that occur. The green line is the right solution and mitigation in tackling this problem, so it is important to know the ability to absorb CO2 from vegetation and the optimization strategy that can be applied. The research was conducted in the range from March to April 2023 with observations of composition and vegetation components as the basis for estimating carbon uptake using an allometric equation approach. Based on the research conducted, the CO2 absorption capability of the Jagir Wonokromo green line vegetation is 250,63 ton CO2-eq/year, which is a sufficient amount for CO2 absorption needs at that location. The optimization strategy undertaken includes intensification, extensification and mitigation.
Analysis of Aluminum Sulfate Dosage on Water Quality Parameters in the Coagulation-Flocculation Process: Analisis Dosis Aluminium Sulfat terhadap Parameter Kualitas Air Pada Proses Koagulasi-Flokulasi Nurjanah, Fadhilah Labibah; Cahyonugroho, Okik Hendriyanto; Novembrianto, Rizka
Media Ilmiah Teknik Lingkungan (MITL) Vol. 11 No. 1 (2026): Media Ilmiah Teknik Lingkungan (MITL)
Publisher : ​Institute for Researches and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/mitl.v11i1.11181

Abstract

This study aims to evaluate the performance of aluminum sulfate (alum) coagulant in river water, tofu waste, and batik waste with varying doses on the effectiveness of the coagulation-flocculation process. The method used was a jar test on 1000 mL of water samples, including coagulation for 1 minute at 120 rpm, and flocculation for 20 minutes at 40 rpm, and sedimentation for 15 minutes. The variations in alum doses used were 150 mg/L, 200 mg/L, and 250 mg/L. The results showed that this process caused pH changes during treatment and was effective in reducing turbidity, TSS, and color although the optimum dose differed for each sample. In river water, the optimum dose of 150 mg/L resulted in 98.99% turbidity removal, 81.82% TSS removal, and 99.11% color removal. Meanwhile, for tofu waste, the optimum dose of 250 mg/L resulted in 86.67% turbidity removal, 98.66% TSS removal, and 96.16% color removal. Meanwhile, for batik waste, the optimum dose of 200 mg/L resulted in 97.89% turbidity removal, 95.76% TSS removal, and 91.61% color removal. This indicates that the coagulant dosage needs to be adjusted to the characteristics of each type of sample used.
Co-Authors Amini, Novira Putri Astika, Maeza Nurrisma Clever, Mahendra Euis Nurul Hidayah Grace Claudia Anastasia Hardiyanto, Rachmat Yuda Imroatul Mufidah Indah Fitriana Solichah Kindriari Nurma Wahyusi Murti, Restu Hikmah Ayu Nafi'ah, Chia Fifin Nisa', Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka Nurjanah, Fadhilah Labibah Pandriratri, Purnasari Praditya Sigit Ardisty Sitogasa Purnomo, Yayok Suryo Rachmanto, Tuhu Agung Redatu Putri, Yolanda Aprian Rosariawari, Firra Salamah, Shalzafatihah Stalis, Ahmad Nazil