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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.
Biokonversi Limbah Ikan Afkir Oleh Larva Black Soldier Fly Serta Dampaknya Terhadap Kualitas Nutrisi Pakan dan Reduksi Emisi Gas Rumah Kaca Huda, M.Miftahul; Mirwan, Mohamad
Jurnal Serambi Engineering Vol. 11 No. 2 (2026): April 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Budidaya ikan lele bergantung pada pakan komersial mahal, sementara limbah ikan afkir belum dimanfaatkan optimal. Penelitian ini bertujuan menganalisis biokonversi limbah ikan afkir menggunakan larva BSF terhadap peningkatan kualitas nutrisi pakan dan reduksi emisi Gas Rumah Kaca (GRK). Penelitian eksperimental dengan pendekatan life cycle inventory dilaksanakan di Surabaya pada Oktober 2025. Empat variasi media biokonversi (M1–M4) digunakan untuk membiakkan larva BSF selama 15 hari. Tiga variasi pakan (Vpl 1–Vpl 3) dengan proporsi tepung maggot 25%, 50%, dan 75% diuji pada ikan lele. Parameter yang diukur meliputi SGR, proksimat, SR, dan emisi karbon (gate-to-gate). Hasil menunjukkan M4 (0,56 kg dedak + 2,24 kg limbah ikan) menghasilkan protein larva tertinggi (11,31%) dan lemak (9,87%). Vpl 3 (75% maggot) menghasilkan protein pakan tertinggi (17,45%) dan lemak (14,43%) mendekati SNI. Ikan lele yang diberi Vpl 3 menunjukkan pertumbuhan 22,7% dan SR 100%. Namun, peningkatan proporsi maggot meningkatkan emisi karbon dari 1,29 kg CO2e/kg (Vpl 1) menjadi 1,60 kg CO2e/kg (Vpl 3), dengan kontribusi LPG 97–98%. Biokonversi limbah ikan afkir oleh larva BSF efektif meningkatkan kualitas nutrisi pakan, namun terdapat trade-off dengan peningkatan emisi karbon.
Co-Authors , Disnanda Utamifa Jannahdita Anggoro, Cahyo Arkan Syah, Ahmad Naufal Dwitasari, Pritania Ervina, Dea Febrica Fuadi, Muhammad Imam Hakim, Mohammad Najmi Rafi Huda, M.Miftahul Kusuma, Rian Mei Kusuma Maharani, Regita Merliza, Nabila Nur Nismara, Ghassani Novembrianto, Rizka Pandu Wicaksono Putri, Delia Ayu Arif Putri, Fanny Amelia Rafi, Muhammad Ijlal Rahmansari, Mila Shintya Rizki, Azizah Mahirah Sholikhah, Mar'atus Zakiyayasin Nisa’, Syadzadhiya Qothrunada