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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan METANA Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Bahan Alam Terbarukan Jurnal Teknik Mesin SUSTINERE: Journal of Environment and Sustainability Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Journal of Governance Risk Management Compliance and Sustainability (Journal of Environmental Sustainability Management)
Ika Bagus Priyambada
Environmental Engineering Department Diponegoro University
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Potensi Material Sampah Combustible pada Zona Pasif TPA Jatibarang Semarang sebagai Bahan Baku RDF (Refuse Derived Fuel) Irma Natasya Hutabarat; Ika Bagus Priyambada; Ganjar Samudro; Baskoro Lokahita; Syafrudin Syafrudin; Irawan Wisnu Wardhana; Mochtar Hadiwidodo
Jurnal Teknik Mesin Vol 7, No 1 (2018)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v7i1.2241

Abstract

Abstrak: Peningkatan jumlah timbulan sampah menyebabkan meningkatnya kebutuhan lahan pada TPA Jatibarang. Untuk menghindari terjadinya kekurangan lahan perlu dilakukan penanganan pada sampah yakni dengan mengubah sampah menjadi sumber energi seperti bahan baku RDF (Refused Derived Fuel). RDF merupakan salah satu teknik penanganan sampah dengan mengubah sampah menjadi sesuatu yang bermanfaat yaitu bahan bakar. Sampah tersebut dapat dimanfaatkan menjadi bahan baku RDF dengan cara menganalisis nilai kalor yang dihasilkan. Untuk menganalisis nilai kalor pada sampah combustible zona pasif TPA Jatibarang dapat dilakukan dengan cara pengujian sampel sebanyak 100 gram dengan alat bom kalorimeter. Sampel tersebut diambil pada kedalaman 0-3 m dengan metode random sampling. Kemudian akan didapat nilai kalor tinggi yang dihasilkan sampel tersebut. Nilai Kalor Tinggi yang dihasilkan sampel tersebut sebesar 5,25 kkal/ton pada kedalaman 0-1 m, 5,76 kkal/ton pada kedalaman 1-2 m dan 6,31 kkal/ton pada kedalaman 2-3 m. Nilai kalor tinggi yang dihasilkan sampah combustible tersebut menunjukkan bahwa semakin rendah kedalaman sampah maka akan semakin tinggi nilai kalor yang dihasilkan dan sampah tersebut berpotensi sebagai bahan baku RDF. 
PENGEMBANGAN TEKNOLOGI FILTER UNTUK MEWUJUDKAN SUSTAINABLE WATER RECYCLE DI RT17/RW06 KELURAHAN PUDAKPAYUNG KOTA SEMARANG Bimastyaji Surya Ramadan; Junaidi Junaidi; Syafrudin Syafrudin; Anik Sarminingsih; Ika Bagus Priyambada
Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Vol 2, No 1 (2020)
Publisher : Fakultas Teknik Universitas Diponegoro

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Abstract

Kegiatan pengabdian masyarakat ini bermitra dengan kelompok masyarakat RT 17 RW 06 dalam penerapan teknologi filter air untuk penjernihan kolam ikan di Kelurahan Pudakpayung Kota Semarang. Lokasi mitra berada di kawasan perumahan di Kelurahan Pudakpayung. Teknologi filter air merupakan teknologi yang menggunakan tekanan dan UV untuk meningkatkan kualitas air hasil filtrasi. Masih banyak masyarakat yang belum memahami teknik pembuatan dan pengelolaan air yang berkelanjutan. Oleh karena itu dalam kegiatan ini diberikan workshop tentang berbagai ilmu tentang teknologi filter air konvensional, penjelasan mengenai operasi dan sistem pemeliharaan serta pendampingan pemasangan filter air,Metode pengabdian yang digunakan pada program ini adalah melakukan evaluasi terhadap kegiatan pemasangan filter air dan mencari alternatif baru pemecahan masalah. Hasilnya, saat ini RT17 RW 06 dapat merasakan daur ulang air yang berkelanjutan di kolam ikan masjid mereka. 
Nutrient Recovery from Agricultural Waste Water Using Electrocoagulation Process, A Case Study of Thekelan, Semarang, Indonesia Mochamad Arief Budihardjo; Sudarno Sudarno; Ika Bagus Priyambada; Amin Chegenizadeh; Purwono Purwono
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 20, No 1 (2023): March 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v20i1.44-52

Abstract

Eutrophication is a natural phenomenon in aquatic ecosystems that causes algae and other aquatic plants to overproduce. This process can benefit the ecology in tiny amounts, but too many nutrients can generate hazardous algal blooms and kill fish and other aquatic life. To prevent eutrophication and sustain aquatic ecosystems, agricultural waste water like microalgae production wastewater must be treated. The goal of the project is to get nitrogen and phosphorus out of the wastewater from growing microalgae, which is an agricultural waste water. One way to recover nutrients from wastewater is electrocoagulation. This procedure uses an electric current to create microscopic gas bubbles that collect and remove pollutants from wastewater. According to this study, electrocoagulation reduces phosphate and nitrate in microalgae culture wastewater. Phosphate concentration dropped by 90.20% in the 15th minute, while nitrate concentration dropped by 36.19% in the 30th minute. These reductions may be caused by struvite formation and nitrate conversion to nitrogen gas. This study demonstrates that electrocoagulation is a potential technology for recovering nutrients from agricultural waste water and reducing aquatic ecosystem eutrophication.
Life Cycle Assessment to Compare the Environmental of Food Waste Management System in Semarang City Syahrul Al Qadar; Mochamad Arief Budihardjo; Ika Bagus Priyambada
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 1 (2024): March 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i1.154-164

Abstract

1.3 billion tons of the food produced for human consumption is wasted in the food supply chain as a result of a number of issues. A high proportion of food waste occurs during consumption, primarily influenced by consumer behavior. In Semarang City, Black Soldier Fly, incineration, and composting are alternatives to food waste management. This research aims to analyze alternative food waste management methods that yield reusable resources and materials because currently unknown which method has the smallest environmental impact. Life Cycle Assessment method can be used to examine the environmental impact of the food waste management system from every phase 1 ton food waste analyze. BSF has proven superior to composting, incineration and landfilling methods in analyzes of potential environmental impacts that reduce 90% environmental impact. Landfills cover a large area and the effect of global warming is significant until of 1.704E+03 CO2-eq, this issue needs more attention in the management of the generated CH4. Incineration needs to make advances in the method such as producing new resources and emissions so that can be reused because incineration impact eutrophication potential until 2.438E+00 . For reasons environmental concerns, efficient food waste management is crucial to realizing the Sustainable Development Goals.
Efektivitas IPAL portabel sebagai alternatif pengelolaan limbah cair domestik Ika Bagus Priyambada; Purwono Purwono
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 3, No 1 (2019)
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.3.1.235-243

Abstract

Di Indonesia, selain sebagai saluran air alamiah, sungai sering pula digunakan sebagai tempat pembuangan air limbah kegiatan rumah tangga (domestik). Penggunaan teknologi yang efisien dan alami merupakan solusi sederhana dan murah untuk mengolah air limbah domestik dengan sistem desentralisasi. Tujuan penelitian ini adalah mengolah air limbah domestik menggunakan IPAL portabel dengan dimensi kecil, sehingga aplikatif untuk skala rumah tangga. Penelitian dilakukan di Laboratorium Lingkungan, Departemen Teknik Lingkungan, Universitas Diponegoro selama 3 bulan. Metode penelitian menggunakan IPAL portabel untuk mengolah air limbah domestik skala rumah tangga dengan sistem kontinu. Limbah domestik berasal dari kantin kampus Universitas Diponegoro. IPAL portabel menggunakan sistem kombinasi anaerob-aerob yang dilengkapi dengan bak penampung limbah awal, bak penangkap lemak dan bak efluen. Waktu tinggal hidrolis atau Hydraulic Retention Time (HRT) dilakukan pada 3 variasi yaitu 4 jam, 8 jam dan 12 jam. Hasil penelitian menunjukkan bahwa konsentrasi amoniak mengalami penurunan terbesar pada HRT 12 jam dengan efisiensi penyisihan sebesar 60%. Konsentrasi awal sebesar 40,99 mg/l turun menjadi 16,4 mg/l. Konsentrasi Chemical Oxygen Demand (COD) dan minyak & lemak juga mengalami penurunan terbesar pada HRT 12 jam, masing-masing turun sebesar 71% dan 91% dari konsentrasi awal. IPAL portabel ini paling efektif dalam menyisihkan minyak & lemak.
Determining the Illegal Waste Disposal in Coastal Area using Transect Walk Approach Badrus Zaman; Anik Sarminingsih; Ika Bagus Priyambada; Mochamad Arief Budihardjo; Bimastyaji Surya Ramadan; Uus Uswatun Hasanah
Journal of Governance Risk Management Compliance and Sustainability Vol. 3 No. 1 (2023): April Volume
Publisher : Center for Risk Management & Sustainability and RSF Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/jgrcs.v3i1.1501

Abstract

The increasing population and anthropogenic activities in cities/regencies in Indonesia have caused many waste-related problems, which can trigger environmental and human health. In addition to population growth, rapid economic development has resulted in an increasing amount and type of waste. The coastal area is one area that still needs to get adequate solid waste services. There have been many studies on waste management. However, research has yet to examine the amount and composition of waste generation in coastal areas that have not been served by waste management.. This study shows the waste generation and composition trend in coastal areas that must be served in waste management and determines the appropriate waste management strategy. This research method uses a transect walk survey carried out by following a predetermined route in the area. Paths are made randomly by forming circles or straight lines for 10 km. The composition of illegal waste dumps found included leaves (69.02%), plastic (15.24%), branches and twigs (9.93%), paper and cardboard (3.75%), food waste (1.97%), and rubber (0.1%). At least 1.59 tonnes/day of illegal waste is estimated in Sidorejo Village. While this figure increases at the district level, the amount of unaccommodated waste is estimated at 19.85 tonnes/day. Efforts to handle waste that can be done are changing the mindset and paradigm of the community through an educational approach, improving the waste management system by providing waste facilities and reducing the amount of waste collected through a simple program (Reuses, Reduces, Recycle) that involves the community.
Characterization of Water Quality and Evaluation of Pollution Levels Around Final Disposal Sites (TPA) Ika Bagus Priyambada; Ariesta Sulistyo Asih; Winardi Dwi Nugraha; Muhammad Bintang Wahyuarta
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Article in Press 2026 (For Upcoming Issue)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

This study evaluates water quality and pollution levels surrounding the Degayu Landfill, Pekalongan City, focusing on nutrient characteristics. Landfills generate leachate containing organic and inorganic compounds that can contaminate nearby water bodies if mismanaged. We conducted a survey by sampling water at several locations around the landfill to analyze nutrient-related parameters, specifically ammonia, nitrite, and phosphate. The data were analyzed descriptively, compared with applicable water quality standards, and assessed using the pollution index method to determine overall water quality status. Furthermore, Spearman correlation analysis identified relationships among these parameters. Results indicate varying nutrient concentrations, with increases at specific locations. The pollution index values suggest a decline in water quality at several observation points relative to established standards. Notably, correlation analysis revealed a strong relationship between ammonia and nitrite, highlighting their role in nitrogen transformation within the aquatic environment. In conclusion, water quality around the Degayu Landfill is demonstrably influenced by nutrient concentration variations, indicating a potential impact on the ecological balance of the surrounding aquatic ecosystem
Co-Authors Amin Chegenizadeh Anik Sarminingsih, Anik Ariesta Sulistyo Asih Baskoro Lokahita Bimastyaji Surya Ramadan Eliza Bhakti Amelia, Eliza Bhakti Endro Sutrisno Faiq Rahman Ganjar Samudro Harryes, Regil Kentaurus Irawan Wisnu Wardana Irawan Wisnu Wardhana Irawan Wisnu Wardhana Irma Natasya Hutabarat Junaidi Junaidi Kuriko Yokota Lucy Amena Sembiring Mochamad Arief Budihardjo Mochtar Hadiwidodo Muhammad Bintang Wahyuarta Purwono Purwono Ramadan, Bimastyaji Surya Ratih Puspa Endah Suprapto, Ratih Puspa Endah Sari, Mega Mutiara Septiariva, Yenis Sudarno Sudarno Suprihanto Notodarmojo Suryawan, I Wayan Koko Syafrudin Syafrudin Syafrudin Syafrudin Syafrudin Syafrudin Syahrul Al Qadar Takanobu Inoue Taufiq Edi Laksono Uus Uswatun Hasanah Wiharyanto Oktiawan Winardi Dwi Nugraha ZAMAN, Badrus