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Raden Kokoh Haryo Putro
Department Of Environmental Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia
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Utilization of Treated Wastewater from the Ready-Mix Concrete Industry for Road Spraying: Pemanfaatan Air Limbah Terolah dari Industri Beton Ready Mix untuk Penyiraman Jalan Rosyadah, Sabrina Haifa; Putro, Raden Kokoh Haryo; Arohmah, Nicken Elok
Media Ilmiah Teknik Lingkungan (MITL) Vol. 10 No. 1 (2025): 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.v10i1.9870

Abstract

The ready-mix concrete industry plays a crucial role in supplying concrete for various construction purposes. During its production and operational processes, this industry generates wastewater from laboratory activities, mixer van washing, and truck mixer cleaning. The generated wastewater is treated and planned to be reused for road spraying within the industrial area. This paper aims to analyze the characteristics of the generated wastewater and its potential impact on roads, and evaluate the efficiency of its reuse. The total volume of treated wastewater produced is 11.88 m³/day, containing parameters such as pH, TSS, Cl⁻, and SO₄²⁻. Based on the water quality measurements, the treated wastewater meets the quality standards set by the Ministry of Environment and Forestry for pH and TSS, and by Government Regulation No. 22 of 2021 for chloride and sulfate. Therefore, the wastewater is considered suitable for road spraying. The efficiency of using treated wastewater for this purpose reaches 43% during the dry season and 86% during the rainy season.
Efektivitas Bambu Air (Equisetum Hyemale) dalam Fitoremediasi untuk Penurunan Kadar COD dan Surfaktan Pada Limbah Laundry Nara Naomi Aprilia Putri; Raden Kokoh Haryo Putro
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

In general, laundry businesses use detergent rather than soap to wash clothes because detergent contains surfactants that are more effective at removing dirt. This washing process produces waste that is usually disposed of directly into the environment. The indiscriminate disposal of laundry waste can cause environmental pollution because it contains pollutants, such as chemical oxygen demand (COD) and surfactants, that exceed established quality standards. The purpose of this research was to test the effectiveness of water bamboo plants in reducing COD and MBAS levels in laundry waste. This phytoremediation method utilizes microorganisms (rhizosphere microbes) living in the root system and planting media. These microorganisms decompose organic and inorganic materials in wastewater into simpler compounds, which are then used as nutrients by the plants. The most effective configuration for reducing COD and surfactant levels in laundry waste is 15 water bamboo plants with a residence time of three days. However, COD levels are still above the quality standard while surfactant levels are below it.
Efisiensi Pemanfaatan Limbah Domestik Industri Ransum Makanan Hewan Sebagai Penyiraman Ruang Terbuka Hijau Rintang Wanda Septiyana; Raden Kokoh Haryo Putro
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The animal feed ration industry in South Kalimantan Province produces domestic liquid waste from supporting activities with quite high levels of pollutants. The waste is processed using a Wastewater Treatment Plant (WWTP) and reused to reduce environmental impacts. This study aims to examine the efficiency of utilizing domestic waste as an alternative water source for watering Green Open Spaces (GOS) in industrial areas. The research method used is descriptive-quantitative based on secondary data. Based on the results of wastewater quality measurements at the WWTP outlet,it shows that domestic waste has met the quality standards according to the Minister of Environment and Forestry Regulation P.68 of 2016 and PP No.22 of 2021 for watering purposes. The animal feed ration industry produces domestic waste of 15.5m³/day with a WWTP capacity of 20m³/day and a planned GOS area of ​​8,715.15m². There are two scenarios for wastewater utilization, namely in the dry season with an efficiency of 40.65% and the rainy season with an efficiency of 81.31% of the total industrial raw water needs. These results indicate that domestic waste in the animal feed ration industry has the potential to be an alternative water source that is environmentally friendly and supports sustainable water management.
Penurunan Kadar Pb Limbah Cair Laboratorium Klinik Menggunakan Fitoremediasi Dengan Penambahan Media Adsorpsi Fatekhah, Putri Nur; Putro, Raden Kokoh Haryo
Jurnal Ilmu Alam dan Lingkungan Vol. 16 No. 2 (2025): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

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Abstract

Limbah cair dari laboratorium klinik merupakan sumber potensial pencemaran air karena mengandung senyawa organik, senyawa anorganik dan unsur berbahaya. Berdasarkan pengujian awal, kandungan limbah Pb melampaui batas mutu. Metode fitoremediasi dengan tanaman kiambang (Salvinia molesta) dan paku air (Azolla pinnata) digunakan untuk menghilangkan polutan pada perairan tercemar. Terdapat media adsorpsi tambahan berupa zeolit dan pasir mangan (Manganese greensand) sebagai media pendukung dalam efisiensi penyisihan, dengan ketebalan yang berbeda-beda. Tujuan penelitian ini adalah menganalisis efektivitas dan pengaruh perbandingan variasi jenis tanaman, ketebalan media adsorpsi dan waktu kontak dalam mereduksi Pb terhadap limbah cair dari laboratorium klinik. Hasil yang diperoleh dari penelitian ini, yang paling efektif adalah variasi kombinasi tanaman Salvinia molesta dan Azolla pinnata dengan ketebalan media adsorpsi 3:2 cm pada waktu kontak 4 hari dalam mereduksi Pb sebesar 0.087 mg/L dan dibawah baku mutu berdasarkan PERMEN LH No. 5 Tahun 2014.
Efektivitas Kombinasi Koagulasi-Flokulasi dan Bioadsorben Biji Alpukat dan Kulit Durian dalam Menyisihkan Kromium Limbah Pencucian Sablon Rahmatanti, Adinda; Putro, Raden Kokoh Haryo
Jurnal Ilmu Alam dan Lingkungan Vol. 16 No. 2 (2025): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

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Abstract

Penelitian ini dilatarbelakangi oleh menumpuknya limbah padat organik yang berasal dari kegiatan domestik manusia yang kemudian dimanfaatkan menjadi adsorben. Pembuatan adsorben pada penelitian ini menggunakan biji alpukat dan kulit durian yang diaktivasi dengan H_3{PO}_4 dan KOH. Adsorben yang telah selesai dibuat kemudian diuji diuji karakterisasinya sesuai dengan Standar Nasional Indonesia (SNI) 06-3730-1995 tentang Karbon Aktif Teknis. Adsorbat yang digunakan pada penelitian ini adalah limbah pencucian sablon dengan parameter kromium (Cr). Sebelum masuk ke dalam kolom adsorpsi, limbah cair melalui pengolahan koagulasi-flokulasi, dan sedimentasi terlebih dahulu untuk mengurangi kadar pencemar yang terkandung. Tujuan dari penelitian ini adalah untuk mengetahui efektivitas kombinasi pengolahan koagulasi-flokulasi, sedimentasi, dan bioadsorben dalam memyisihkan kromium (Cr) pada limbah pencucian sablon. Tujuan dari variasi pembuatan adsorben antara lain untuk mengetahui pengaruh media dan aktivator arang terhadap efektivitasnya dalam menyisihkan kromium (Cr) pada limbah pencucian sablon. Hasil analisis penelitian menunjukkan kromium (Cr) telah banyak tersisihkan pada proses koagulasi-flokulasi dan sedimentasi dengan nilai di bawah baku mutu. Pada adsorpsi, penyisihan kromium (Cr) paling besar dihasilkan oleh adsorben biji alpukat dan kulit durian teraktivasi KOH dengan konsentrasi akhir dibawah baku mutu.
Pengaruh pH pada Proses Fotokatalis Green Synthesis TiO2 NPs dalam Menurunkan Konsentrasi Logam Berat Cr6+ pada Air Limbah Tekstil Rahayu, Natasya Yulia; Putro, Raden Kokoh Haryo
Environmental Engineering Journal ITATS Vol 5, No 2 (2025): Environmental Engineering Journal ITATS
Publisher : Teknik Lingkungan, Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.envitats.2025.v5i2.8175

Abstract

Limbah industri tekstil terutama batik biasanya mengandung senyawa toksik bagi lingkungan, yaitu logam berat kromium (Cr) yang berasal dari penggunaan zat pewarna selama proses produksi. Logam berat tersebut biasanya berasal dari zat pewarna dan zat mordan yang merupakan pengikat zat warna. Sifat logam berat kromium heksavalen yang toksik menjadi perhatian utama untuk diolah agar tidak berbahaya bagi kesehatan manusia. Tujuan dari penelitian ini adalah untuk menganalisis pengaruh pH air limbah, dan waktu kontak sinar tampak terhadap penyisihan logam berat kromium heksavalen. Selain itu, penelitian ini juga bertujuan untuk menganalisis efektivitas TiO2 NPs hasil sintesis hijau dari ekstrak daun papaya sebagai katalis yang berperan dalam menurunkan kadar logam berat Kromium Heksavalen. Penelitian dilakukan secara batch dengan massa NPs 0,15 gr untuk 250 mL air limbah, serta variasi pH 3 dan 4, dan variasi waktu kontak 60, 120, 180, 240 menit. Hasil penelitian menunjukkan bahwa peningkatan waktu kontak mempengaruhi hasil persentase penyisihan  kromium heksavalen menjadi lebih tinggi. Penyisihan tertinggi dihasilkan dari waktu kontak 240 menit dengan hasil persentase penyisihan 99%. Variasi pH menunjukkan bahwa pH rendah memiliki efektifitas dalam menurunkan konsentrasi. pH air limbah yang optimal berada pada pH 3 dengan efisiensi penyisihan hingga 99%.
Efektivitas Biofilter dengan Media Papan Pakis dan Sistem Aerasi Intermittent dalam Mengurangi COD dan NH3-N pada Limbah Cair Rumah Potong Ayam Flaherti Maharani; Raden Kokoh Haryo Putro; Praditya Sigit Ardisty Sitogasa
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Wastewater generated from poultry slaughterhouses generally contains high levels of organic matter and ammonia, which can contaminate aquatic environments if not properly treated. The high organic content contributes to elevated COD levels, while ammonia can be toxic to aquatic organisms. This study was conducted to evaluate the performance of a biofilter system with intermittent aeration (anoxic–oxic combination) using tree fern board and bioring media in reducing COD and NH₃-N concentrations. The tested aeration durations included 3 hours (1 hour anoxic, 2 hours oxic), 6 hours (2 hours anoxic, 4 hours oxic), 9 hours (3 hours anoxic, 6 hours oxic), and 12 hours (4 hours anoxic, 8 hours oxic). The experimental results showed that the bioring medium exhibited better performance than the tree fern board, with the optimum condition achieved at a 12-hour hydraulic retention time, resulting in COD and NH₃-N reductions of 93.41% and 88.21%, respectively. Overall, the findings indicate that a bioring-based biofilter with intermittent aeration has strong potential as an effective and environmentally friendly alternative technology for treating poultry slaughterhouse wastewater.
THE EFFECT OF HYDRAULIC RETENTION TIME (HRT) AND AERATION RATE ON THE REMOVAL OF COD, TSS, AND COLOR IN BATIK WASTEWATER USING A SEQUENCING BATCH REACTOR (SBR) Fitiryah, Lailatul; Raden Kokoh Haryo Putro
Lingkar: Journal of Environmental Engineering Vol. 6 No. 1 (2025): LINGKAR : Journal of Environmental Engineering
Publisher : Department of Environmental Engineering (Prodi Teknik Lingkungan), Fakultas Sains dan Teknologi, UIN Ar-Raniry Banda Aceh

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Abstract

The batik industry produces liquid waste with high concentrations of organic compounds, synthetic dyes and suspended solids. Based on initial testing, the COD, TSS and Color content exceeds the quality standard limits. The Sequencing Batch Reactor method with a batch operation system is used to process liquid waste and reduce pollutant parameters. There is an adsorption medium with coconut shell activated carbon as a pre-treatment in the efficiency of color parameter removal. The purpose of this study was to analyze the effect of HRT and aeration rate to reduce polluted parameters in batik liquid waste. The HRT variations used were 18, 24, 32, and 38 hours with aeration rates of 7 and 14 L/minute. The results obtained from this study, the most optimal HRT in reducing pollutant TSS parameters is HRT 32 hours with a removal percentage of 71.43%. HRT 38 hours with COD and TSS parameters with a removal percentage of 92.12% and 78.57% and Color parameters 62,39%. The optimal aeration rate is 14 l/minute.
Penguatan Layanan Pengadaan Barang dan Jasa melalui Digitalisasi Perencanaan dan Penunjukan Langsung Berbasis Web di UPN “Veteran” Jawa Timur Puspitasari, Nia Dwi; Haromainy, Muhammad Muharrom Al; Putro, Raden Kokoh Haryo
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 5 No. 1: November 2025
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v5i1.11402

Abstract

Digitalisasi dalam pengadaan barang dan jasa menjadi langkah strategis. Kegiatan pengabdian kepada masyarakat ini difokuskan pada pengembangan sistem informasi perencanaan dan penunjukan langsung berbasis web di Unit Pengelolaan Pengadaan Barang dan Jasa (UPPBJ) UPN “Veteran” Jawa Timur. Program ini dilatarbelakangi oleh kebutuhan untuk mengoptimalkan proses pengadaan yang sebelumnya dilaksanakan secara manual dan memakan waktu. Metode yang digunakan adalah pendekatan partisipatif community-based system development, yang menempatkan mitra sebagai aktor aktif dalam setiap tahapan, mulai dari analisis kebutuhan, perancangan, implementasi, hingga evaluasi. Hasil implementasi menunjukkan peningkatan efisiensi input data hingga 40% dan skor SUS rata-rata 82 (kategori excellent). Evaluasi kepuasan pengguna mengindikasikan peningkatan signifikan pada indikator efisiensi (88%), transparansi (91%), kemudahan akses (85%), dan keandalan informasi (89%). Program ini tidak hanya menghasilkan sistem yang fungsional, tetapi juga meningkatkan kapasitas sumber daya manusia mitra dalam mengelola proses pengadaan secara digital. Rekomendasi pengembangan di masa mendatang mencakup integrasi dengan e-Katalog dan modul e-payment untuk memperkuat keterpaduan sistem.
Managing The Impact of Decreased in Quantity, Quality of Groundwater, and Increased Domestic Waste Due To The Ready-Mix Concreate Industry: Pengelolaan Dampak Penurunan Kuantitas, Kualitas Air Tanah, dan Peningkatan Sampah Domestik Akibat Industri Beton Ready-Mix Izzah, Kuni Zukhrufal; Putro, Raden Kokoh Haryo; Purnama, Elanda Reinelda
Media Ilmiah Teknik Lingkungan (MITL) Vol. 10 No. 1 (2025): 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.v10i1.9880

Abstract

The Ready-Mix Concrete Industry located in Kediri Regency is preparing UKL-UPL documents to meet the requirements of the Government Regulation of the Republic of Indonesia Number 22 of 2021 concerning the Implementation of Environmental Protection and Management through the Kediri Regency Environmental Agency. This study was conducted using the observation method on the impact sources of operational activities, utilizing secondary data from the industry's UKL-UPL documents. The impact caused includes a decrease in the quantity and quality of groundwater due to the fulfillment of industrial clean water needs amounting to 4,570 m³/day for domestic needs and 145 m³/day for other supporting activities sourced from groundwater, with wastewater generation amounting to 3,656 m³/day. Also, the waste generated amounts to 21.7 kg/day, which impacts the increase in domestic waste. Management efforts will be carried out in the form of processing and utilizing the generated waste in accordance with quality standards and regulations in force, with regular monitoring conducted in collaboration with laboratories and relevant ministries. This study can be used as a guideline for the community in preserving the environment and as a representation of policies in the Kediri Regency area.
Co-Authors Akhdan Praditya, Fawwaz Alvia Nuriati Ramadhani Anindita Berliana Puspitasari Arohmah, Nicken Elok Atiek Moesriati Aussie Amalia Elanda Reinelda Era Dinisiadela Dhalia Fanesa Fathimah Zahroh Farhan Athallah Ajiputra Farhan Athallah Ajiputra Fatekhah, Putri Nur Felano Elga Bahctiar Fidela Almadea Fitiryah, Lailatul Flaherti Maharani Hidayat, Fajar Ichdatunnisa, Rania Isna Nugraha Izzah, Kuni Zukhrufal Kusuma, Rian Mei M. Ardiansyah Dwi Tama M. Ardiansyah Dwi Tama Muhammad Abdus Salam Jawwad Muhammad Abdus Salam Jawwad Muhammad Fairuz Akmal Muhammad Ilham Muzakki Muhammad Muharrom Al Haromainy Muhammad Riza Pahlevi Nara Naomi Aprilia Putri Nia Dwi Puspitasari Nieke Karnaningroem Nisa', Syadzadhiya Qothrunada Zakiyayasin Nisa, Syadzadhiya Qouthrunada Zakiyayasin Novembrianto, Rizka Novirina Hendrasarie Novirina Hendrasarie Praditya Sigit Ardisty Sitogasa Puguh Satrio Wicaksono Purnama, Elanda Reinelda Rahayu, Natasya Yulia Rahmatanti, Adinda Ramadhani, Alvia Nuriati Restu Hikmah Ayu Murti Rian Mei Kusuma Kusuma Rintang Wanda Septiyana Riris Utami Wulandari Rizqy, Winda Nurmalia Rosyadah, Sabrina Haifa Salwa Masahida Cahaya Kuswanto SeptinAulidia Simanullang, Lady S. Sitogasa, Praditya Sigit Ardisty Sitogasa