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All Journal Jukung (Jurnal Teknik Lingkungan) Jurnal Teknik Industri Terintegrasi (JUTIN) Nusantara Science and Technology Proceedings Envirous AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Envirotek : Jurnal Ilmiah Teknik Lingkungan Environmental Engineering Journal ITATS Jurnal Teknologi dan Manajemen Sistem Industri Journal Serambi Engineering (JSE)
Mirwan, Mohamad
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health

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RECOVERY POTENTIAL SAMPAH SEBAGAI DASAR PERENCANAAN PENGOLAHAN SAMPAH TERPADU PADA PT. PELABUHAN INDONESIA III JAWA TIMUR Dwitasari, Pritania; Mirwan, Mohamad
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.v1i1.18

Abstract

Sampah yang ditimbulkan PT. Pelabuhan Indonesia III Regional Jawa Timur masih dikelola secara konvensional. Sedangkan Badan Usaha Pelabuhan harus menyediakan fasilitas pencegah pencemaran. Dengan menggunakan data sekuder dan primer yang didapatkan dari PT. Pelabuhan Indonesia III dapat dilakukan perencanan Tempat Pengolahan Sampah Terpadu (TPST) dan menghitung hasil pemulihan energi yang dihasilkan. Dalam perencanaan ini didapatkan Timbulan sampah adalah 17478 Kg/hari dengan Volume 100,32 m3/hari. Komposisi sampah PT. Pelabuhan Indonesia III terdiri dari Sampah Organik 51,50%, sampah anorganik 29%, residu 18% dan sampah B3 1%. Pemanfaatan sampah organik menggunakan koversi biokimia menghasilkan energi 2975,26 kWh. Sampah plastik diolah dengan kondensasi menghasilkan 10,46 m3/hari, anorganik lain dilakukan pengepakan dan penjualan sebanyak 41,37 m3/hari. Sehingga residu total sampah yang dibawa ke TPA benowo adalah 28,96 m3/hari, Mengurangi 59,93 m3/hari. Area lahan dibutuhan untuk TPST adalah 764,2 m2 dan Dengan jumlah timbulan sampah yang diolah sebesar 59,93 m3/hari maka menghasilkan potensi ekonomi sebesar Rp. 40.929.068,00 tiap bulannya.
ANALISIS KANDUNGAN UNSUR HARA BIOKONVERSI SAMPAH ORGANIK MENGGUNAKAN LARVA BSF UNTUK MENDUKUNG PENINGKATAN KESUBURAN TANAH Mirwan, Mohamad; Rizki, Azizah Mahirah
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.v11i1.22221

Abstract

Kesuburan tanah sangat penting dalam mendukung pertumbuhan tanaman dan menjaga keseimbangan ekosistem. Pemanfaatan bahan organik sebagai alternatif pupuk menjadi solusi untuk meningkatkan kualitas tamah yang terdegradasi. Penggunaan kasgot hasil biokonversi larva Black Soldier Fly (BSF) atau Maggot yang kaya unsur hara memiliki potensi sebagai penambah nutrisi pada kesuburan tanah. Maggot BSF dikenal mampu menguraikan sampah organik dengan cepat dan efisien yang menghasilkan produk berupa kasgot yang mengandung karbon (C), Nitrogen (N), Posfat (P), dan Kalium (K) yang dibutuhkan tanaman. Penelitian ini menggunakan berbagai pakan untuk maggot, termasuk campuran sampah makanan dengan bahan tambahan seperti asam amino, dedak, susu kedaluwarsa bubuk, ampas kelapa, serbuk gergaji, dan ampas kopi yang akan dianalisis reduksi sampah serta kandungan hara kasgot. Hasil penelitian menunjukkan bahwa perlakuan dengan campuran sampah makanan, susu kedaluwarsa, dan ampas kelapa (Perlakuan C) memiliki efisiensi reduksi tertinggi (82%) dan menghasilkan kasgot dengan kandungan hara terbaik. Kandungan C, N, P, dan K pada Perlakuan C memenuhi standar SNI untuk kompos, menjadikannya berpotensi sebagai pupuk organik yang efektif untuk menambah nutrisi pada tanah. Dengan demikian, kasgot dapat dimanfaatkan sebagai alternatif pupuk organik yang ramah lingkungan untuk meningkatkan kualitas dan kesuburan tanah
Pengaruh Penambahan Lindi dan Mikroorganisme Lokal (MOL) Rebung Terhadap Proses Pengomposan Sampah Organik Pasar Tradisional , Disnanda Utamifa Jannahdita; Mirwan, Mohamad
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Composting is one way of managing organic waste from traditional markets. However, this process takes a long time, so bioactivators are needed to speed up decomposition. Leachate and bamboo shoot MOL (local microorganisms) can serve as bioactivators as they contain the necessary microorganisms and nutrients. This study examines the effect of adding leachate and bamboo shoot MOL to compost organic waste from traditional markets. The composting process used vegetable waste, coconut pulp and sawdust as raw materials, with 1-litre doses of each bioactivator variation. The results showed that the bamboo shoot MOL and the leachate-MOL combination treatments reached standard levels of C, N, P, K and the C/N ratio faster than the control treatment and the leachate-only treatment. The C/N ratios were as follows: control (19.91); leachate (18.15); bamboo shoot MOL (15.41); and leachate-MOL combination (17.73). All of these met the compost quality standard based on SNI 19-7030-2004. Physical changes in the compost occurred faster in the bamboo shoot MOL treatment (day 15) and the combination treatment (day 18) than in the leachate-only treatment (day 21) and the control treatment (day 24). Based on these results, bamboo shoot MOL was proven to be the most effective treatment for accelerating the composting process and improving the quality of the final compost.
Effectiveness of Copper Desorption from Activated Carbon Using Variations of Acid Solution Concentration Maharani, Regita; Mirwan, Mohamad; Zakiyayasin Nisa’, Syadzadhiya Qothrunada
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 9 No. 3 (2025)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v9i3.840

Abstract

The presence of heavy metals, such as copper (Cu²?), in industrial wastewater poses environmental problems due to their toxicity and resistance to natural degradation. One of the treatment methods used is adsorption with activated carbon, which has a high surface area and porosity. However, the adsorption capacity decreases after several cycles of use, necessitating regeneration via desorption. This study aims to determine the effectiveness of Cu²? ion desorption from activated carbon using various concentrations of HCl solution and to analyze morphological changes in the adsorbent after desorption. The desorption experiments were carried out with HCl concentrations of 0.05 M, 0.1 M, 0.15 M, 0.2 M, and 0.25 M, and with contact times of 30, 60, 90, and 120 minutes. The Cu ion concentration was analyzed using an Atomic Absorption Spectrophotometer (AAS), and the surface morphology was characterized using a SEM. The outcomes showed that increasing the HCl concentration enhanced desorption efficiency, reaching a maximum of 49.9% at 0.25 M, with an optimum contact time of 90 minutes. SEM analysis revealed changes in the pore structure and surface morphology of the activated carbon after desorption, indicating the release of metal ions from the adsorbent surface. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 9: Industry, Innovation, and InfrastructureSDG 12: Responsible Consumption and Production
The Effect of Additional Composition Substrates on The Rate and Quality of Food Waste Bioconversion by Black Soldier Fly Larvae and Superworm Hakim, Mohammad Najmi Rafi; Mirwan, Mohamad
Jurnal Serambi Engineering Vol. 11 No. 1 (2026): Januari 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Food waste has become one of the main problems in environmental management in Indonesia. Food waste that is not managed properly can cause groundwater pollution, greenhouse gas emissions, unpleasant odours, and bacterial breeding grounds, for such examples are tofu pulp and expired bread. This research aims to analyze the effect of additional composition of tofu waste and expired bread substrates on the rate and quality of food waste bioconversion by black soldier fly larvae and superworm. The research method used direct experimentation with variations in substrate composition over 12 days (BSF) and 30 days (Superworms).  The highest Waste Reduction Index (WRI) was achieved by BSF in the treatment with 60% tofu pulp and 40% expired bread (M4) at 7,65. For Superworm, substrate consisting of food waste and tofu pulp (K2) produced the highest reduction percentage of 63,4% and the Waste Reduction Index (WRI) value of 2,11%. for the final weight and best ECD value for BSF larvae were found on variable M5 consisting of food waste, tofu pulp 50%, and expired bread 50%, with a final weight of 0,3 grams per larva and an ECD value of 16,25%. Variable K2 recorded the highest final weight and ECD value for Superworm, with a final weight of 4,15 grams per larva and an ECD value of 2,94%. The characteristics of the bioconversion residue (frass) from both types of larvae meet the C, N, P, K standards in accordance with SNI 19-7030-2004, the results showed that the combination of tofu pulp and expired bread substrates in treatments M4 and K4 produced residues with a more balanced macro nutrient content, making them the most optimal.
Evaluasi Kondisi Eksisting Program Desa/Kelurahan Berseri dan Perumusan Rekomendasi Peningkatan Kategori di Desa Betiting, Kabupaten Gresik Putri, Fanny Amelia; Mirwan, Mohamad
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.53611

Abstract

This study examines how the Desa/Kelurahan Berseri Program, regulated by East Java Governor Regulation No. 56 of 2023, is implemented in Betiting Village, Gresik. The purpose of this study is to evaluate the existing conditions and develop a strategy for upgrading the category from Pratama to Madya using gap identification and SWOT analysis. Using a descriptive-evaluative approach and official 2025 assessment data, the results show that although the Pratama status has been achieved with a sufficient foundation, as an effort to upgrade the category from Pratama to Madya, the study suggests methods such as intensive household assistance, program replication, and optimization of communal wastewater treatment plants.
Evaluasi Instalasi Pengolahan Air Limbah pada Salah Satu Rumah Sakit di Wilayah Kota Surabaya Anggoro, Cahyo; Mirwan, Mohamad
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.53721

Abstract

Hospital wastewater has different characteristics from industrial wastewater and other wastewater. This hospital utilizes a wastewater treatment plant (WWTP) that operates through chemical, physical, and biological processes. This study aimed to evaluate the performance of the WWTP installed at a hospital in Surabaya. The study used both quantitative and qualitative approaches to analyze the hospital’s treatment system. The evaluation included data on clean water usage and waste effluent, as well as data on wastewater parameters. The WWTP units installed at this hospital include a chemical processing tank, grease trap, aerobic biofilter tank, anaerobic biofilter tank, sedimentation tank, and sump pit. Laboratory testing data over the past few months indicates that the WWTP is not performing optimally.
Effectiveness of the Photofenton Process in Treating Wastewater from the IPLT Oxidation Ditch Outlet Nikmatin Hasanah, Nur Oktavia; Mirwan, Mohamad; Novembrianto, Rizka
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.908

Abstract

Wastewater from the Sludge Treatment Plant (IPLT) often contains hazardous contaminants that can pollute water bodies if discharged without prior treatment. Wastewater treatment from the IPLT, especially the Oxidation Ditch outlet, can be carried out using one of the Advanced Oxidation Processes (AOPs), namely Fenton. This study aims to analyze the effectiveness of the Fotofenton method in the Oxidation Ditch outlet unit of the Keputih IPLT, Surabaya, on total coliform, COD, and TSS parameters. The total coliform removal percentage was 98%, the COD parameters were 82%, and the TSS parameters were 60% at a dose of FeSO4: H2O2 molar ratio of 1:15, UV lamp power of 20 watts, and sampling time of 60 minutes. This study demonstrates that the Fotofenton method can be an environmentally friendly solution for wastewater treatment from IPLT and can be applied as an advanced treatment stage to meet applicable quality standards. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 3: Good Health and Well-BeingSDG 12: Responsible Consumption and ProductionSDG 14: Life Below Water
Reduction of Total Coliform, Ammonia (NH3-N), and COD Levels in Liquid Waste from the IPLT Keputih Using a Combination of H2O2-UVC Annisafitri, Rizky Maulida; Mirwan, Mohamad; Novembrianto, Rizka
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.912

Abstract

Population growth in Indonesia poses sanitation challenges, where Sewage Sludge Treatment Plants (IPLT) provide a solution for sewage waste treatment. However, IPLTs themselves still face obstacles in optimally removing contaminants such as ammonia, Total coliform bacteria, and COD. This study evaluates the effectiveness of advanced oxidation processes (AOPs) combining hydrogen peroxide and ultraviolet light (H2O2-UV) in degrading these three pollutants. The wastewater used in this study came from the outlet of the Final Clarifier unit. The experiments were conducted in a continuous reactor with varying concentrations of H2O2 (0.1%-0.7%) and UV light contact time (15-45 minutes). The results showed that the highest degradation efficiency was achieved at a H?O? concentration of 0.7% for 45 minutes, with a removal percentage of 99.24% for Total Coliform bacteria and 88.32% for Ammonia. However, for COD, the highest degradation efficiency was achieved at a concentration of 0.5% for 45 minutes with a removal percentage of 79.55%. These results prove that the H2O2-UV process is effective in degrading IPLT wastewater pollutant mixtures through the production of non-selective hydroxyl radicals (•OH).
Comparison of the Effectiveness of Series and Parallel Monopolar Electrode Arrangements in Electrocoagulation Reactors for Reducing Color and COD Safitri, Naurah Thifal; Mirwan, Mohamad; Murti, Restu Hikmah Ayu
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.914

Abstract

Industrial batik wastewater contains dyes and organic compounds at high concentrations,posing a potential threat to aquatic environments. This study aims to evaluate theeffectiveness of electrocoagulation using series and parallel monopolar electrodeconfigurations in reducing the levels of methylene blue, methyl red, and chemical oxygendemand (COD) in batik wastewater. The process was carried out in batches, withvariations in electrode configuration, voltages of 6 and 9 volts, and contact times of 30–90 minutes, using aluminium and iron electrodes. Color concentration analysis wasperformed using UV–Vis spectrophotometry, while COD was analyzed using the closedreflux method. The results showed that increasing the voltage and contact time improvedthe removal efficiency of all parameters. The parallel monopolar configuration providedthe best performance, with reduction efficiencies of 95.23% for methylene blue, 90.02%for methyl red, and 71.21% for COD. This was influenced by a more even currentdistribution and more effective coagulant formation. Parallel monopolarelectrocoagulation has the potential to be applied as an alternative method for treatingbatik wastewater.Contribution to Sustainable Development Goals (SDGs):SDG 3: Good Health and Well-BeingSDG 6: Clean Water and SanitationSDG 11: Sustainable Cities and CommunitiesSDG 14: Life Below Water
Co-Authors , Disnanda Utamifa Jannahdita Anggoro, Cahyo Annisafitri, Rizky Maulida Arkan Syah, Ahmad Naufal Dwitasari, Pritania Ervina, Dea Febrica Fuadi, Muhammad Imam Hakim, Mohammad Najmi Rafi Kusuma, Rian Mei Kusuma Maharani, Regita Merliza, Nabila Nur Nikmatin Hasanah, Nur Oktavia Nismara, Ghassani Novembrianto, Rizka Pandu Wicaksono Putri, Delia Ayu Arif Putri, Fanny Amelia Rafi, Muhammad Ijlal Rahmansari, Mila Shintya Restu Hikmah Ayu Murti Rizki, Azizah Mahirah Safitri, Naurah Thifal Sholikhah, Mar'atus Zakiyayasin Nisa’, Syadzadhiya Qothrunada