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All Journal GANEC SWARA Jurnal Ecocentrism
I Made Satya Graha
Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar
Agriculture, Biological Sciences & Forestry Education Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Prediksi Emisi Metana Dari Limbah Domestik Dan Konversi Energi Listrik Di Surabaya Utara I Made Satya Graha
Jurnal Ecocentrism Vol. 1 No. 2 (2021): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

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Abstract

Predictions for ten years of methane gas emissions in research are conducted on wastewater. To predict the emissions of methane gas ten years first calculated the level of methane gas emissions. Then made predictions to know the emissions of methane gas produced by domestic wastewater for the last ten years. This domestic wastewater from rusunawa. The calculation of methane gas emissions is carried out with reference to the method developed by IPCC 2006. Based on calculations, household wastewater generates methane gas emissions in 2007 of 5648.75 kgCH4 / year or 8610.91 m3 / year and continues to increase each year. The methane emission prediction result yields the equation y = 1538x2 + 5836x + 16610 to predict methane gas emissions over the next ten years. While the conversion of electrical energy in 2007 amounted to 770.90 kWh and increased every year along with the increase in methane gas emissions. The prediction result of electrical energy yields the equation y = 137,7x2 + 522x + 1487 to predict electric energy ten years ahead.
Evaluasi Aspek Finansial IPAL Komunal (Studi: Kota Malang Provinsi Jawa Timur) I Made Satya Graha; Edya Pitoyo; I Kadek Ardi Putra
Jurnal Ecocentrism Vol. 2 No. 2 (2022): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

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Abstract

In this study, samples will be taken from 6 Communal WWTP locations in the City of Malang. Based on the review of Communal IPAL by DEWATS, the majority of IPAL Communal is not monitored, so it is necessary to evaluate evaluation on the ability and willingness of the community to care for WWTPs Communal with operating costs according to SOP. Based on the results of the evaluation of the financial aspect, the willingness of residents to pay fees between 2000 rupiahs to 5000 rupiahs and the ability of residents to pay at the Tlogomas Communal IPAL is Rp. 11,150, Oro - Oro Dowo Rp. 7,125, Jodipan Rp. 8,900, Kota Lama Rp. 8,750, Mergososo Rp. 6,150, and Gadang Rp. 8,900.
ANALISIS KEBUTUHAN AIR BERSIH DI WILAYAH KECAMATAN KUTA DAN KUTA SELATAN KABUPATEN BADUNG I MADE SATYA GRAHA; ANAK AGUNG RATU RITAKA WANGSA
GANEC SWARA Vol 17, No 2 (2023): Juni 2023
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v17i2.465

Abstract

Water as the basis of life is very important for human life. Population growth is increasing the need for potable water in communities, especially in southern Badung County. The source of drinking water demand is managed by PDAM Tirta Mangutama Badung Regency. The problem is that in the two districts, all the communities that are not part of the PDAM do not have drinking water. Considering this, it is necessary to identify the needs of people who need water in the community, to have clean water and sanitation facilities for houses and hotels in Kuta and South Kuta in the next five years. of the lake estuary IPA. This study was conducted by evaluating the water treatment process to obtain clean water, analyzing the clean water requirements and analyzing the operating costs for the treatment of clean water. The analysis shows that household and hotel water needs will increase by ±10% by 2025. The clean water capacity of the Estuary DAM IPA is 500 liters/second, which is still sufficient for the needs drinking water for homes and hotels in Kuta. South Kuta District. Water treatment operating cost requirements (chemical costs and power plant costs) increased by ±7% by 2025
Monitoring Uji Kualitas Udara Dan Tingkat Kebisingan Di SMAN 1 Semarapura Kabupaten Klungkung I Made Satya Graha; Ni Luh Widyasari
Jurnal Ecocentrism Vol. 3 No. 2 (2023): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan Unmas Denpasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36733/jeco.v3i2.7413

Abstract

Air pollution occurs due to the amount of pollutants that exceed the maximum limit affecting ambient air quality. Pollutant gases are produced predominantly from uncontrolled community activities, one of which is using transportation facilities. Air quality test research has been carried out at SMAN 1 Semarapura, Klungkung Regency, in the context of observing a river safety development project. Based on the analysis, the results obtained from air quality measurements for the parameter sulfur dioxide (SO2) 37.5 μg/m3; nitrogen dioxide (NO2) 6.5 μg/m3; oxidant (O3) 6.8 μg/m3; carbon monoxide (CO) 1150 μg/m3; lead (Pb) 0.002 μg/m3; total dust (TSP) 72.3 μg/m3; hydrogen sulfide (H2S) 0.017 ppm and a noise level of 43.8 dBA. These parameter values are still below the ambient air quality standards stipulated in Peraturan Gubernur Bali No. 16 Tahun 2016. Meanwhile, the ammonia (NH3) parameter is worth 9.5 mg/m3, which exceeds the ambient air quality standard. The high concentration of ammonia gas in the air can disrupt ecosystems and the health of the human body. Ammonia gas accumulating in the body can interfere with the respiratory system and irritate the respiratory tract. Therefore it is necessary to periodically monitor air quality to overcome the impact of air pollution.
EFEKTIVITAS PENGOLAHAN SAMPAH DI PUSAT DAUR ULANG MENGWITANI Nada, I Made; Satya Graha, I Made; Wahyu Wijaya, I Made; Intan Yuni Antari, Ni Kadek
Jurnal Ecocentrism Vol. 4 No. 2 (2024): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar, Bali

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Abstract

One of the issues arising from the increasing population every year, along with the increase in activities and consumption of residents in Mengwi District, is the increase in waste generation. The purpose of this study is to determine the effectiveness of waste management at the Mengwitani Recycling Center (PDU). This research uses a quantitative method, where the effectiveness measurement is conducted through the inventory of waste processing units at the Mengwitani Recycling Center (PDU). The inventory data is used to compile the mass balance of the waste entering and exiting each processing unit for data analysis in determining the effectiveness of waste management at the Mengwitani Recycling Center (PDU). The effectiveness of waste management at the Mengwitani Recycling Center (PDU) was determined by the total waste intake over a year from June 2023 to June 2024, which reached 236,911.18 kg. Of this, the total wet organic waste amounted to 219.53 kg, and inorganic waste to 2,086.11 kg. The total residue reached 233,999.62 kg, with 233,999.62 kg of waste being incinerated. The incinerated waste produced 73,905.33 kg of ash, resulting in an average total waste reduction percentage at the Mengwitani PDU over one year of 70.14%.
ANALISIS LAJU TIMBULAN, KOMPOSISI, DAN KARAKTERISTIK SAMPAH RUMAH TANGGA DI DESA ANGANTAKA Sastra Wibawa, I Made; Satya Graha, I Made; Ari Yudiaskara, Dewa Ngakan
Jurnal Ecocentrism Vol. 4 No. 2 (2024): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar, Bali

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Abstract

Angantaka Village, covers an area of approximately 239 hectares with a population of around 4,376 people and 1,458 households. According to SNI 19-3983-1995, Angantaka Village is classified as a small town with a population of less than 100,000. Waste management system in the village largely follows the traditional method of collect, transport, and dispose without any sorting. The main issues contributing to the waste problem in Angantaka Village include a lack of community awareness regarding proper waste management and the absence of adequate temporary waste disposal facilities. Most of the waste from Badung Regency, including Angantaka Village, is transported to the Suwung landfill. Therefore, composition, and characteristics of household waste, which would help in estimating the land requirements and the costs for constructing and operating a 3R (Reduce, Reuse, Recycle) waste processing facility. The study revealed that the average domestic waste generation is 0.6 kg per person per day, with wet waste, including food scraps and garden waste, amounting to 1,519.78 kg per day, and dry waste, such as plastics, paper, and metals, totaling 1,360.55 kg per day. This data is crucial for designing a 3R-based Temporary Waste Management Facility in Angantaka Village.
UJI KUALITAS AIR PADA SUMBER MATA AIR SUNGAI AYUNG MENGGUNAKAN METODE INDEKS PENCEMARAN Nada, I Made; Mahendra Dewi, Ni Luh Putu; Satya Graha, I Made; Windu Dwipayana, Made
Jurnal Ecocentrism Vol. 4 No. 2 (2024): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar, Bali

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Abstract

The Ayung River spring water source is used by the community for religious activities such as melukat and for bathing water, of course it is necessary to pay attention to the quality of the spring water source. The water quality at the Ayung River spring water source can be determined by testing the water quality using physical, chemical and biological parameters. The test results are adjusted to the water quality standards table based on Bali Governor Regulation Number 16 of 2016 to determine the quality of water that has been tested. Then the test result were analyzed using the Pollution Index (IP) method to determine the level of water pollution at the Ayung River spring water source. Based on the result of the analysis, it was found that at point 1 Beji Karang Dalem got an IP score of 1.36 with a lightlu polluted status and at point 2 Pesiraman Dukuh Sakti got an IP score of 1.75 with a lightly polluted status.
STRATEGI PERENCANAAN SISTEM PENYALURAN AIR LIMBAH YANG RAMAH LINGKUNGAN DI KAWASAN TEGALLALANG, GIANYAR, BALI Maharani, Shinta Enggar; Satya Graha, I Made; Indah Dianti Putri, Putu; Anggun Istri Wulantari, Sagung; Vina Maharani, Made
Jurnal Ecocentrism Vol. 5 No. 1 (2025): Jurnal Ecocentrism
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Mahasaraswati Denpasar, Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36733/jeco.v5i1.11524

Abstract

Kecamatan Tegallalang, yang terletak di Kabupaten Gianyar, Provinsi Bali, terdiri dari tujuh desa dengan luas wilayah 61,8 km² dan ketinggian antara 250 hingga 950 meter di atas permukaan laut. Peningkatan jumlah penduduk dan aktivitas sehari-hari menyebabkan peningkatan volume limbah domestik, yang berpotensi menurunkan kualitas lingkungan jika tidak ditangani dengan baik. Oleh karena itu, penelitian ini bertujuan untuk merencanakan sistem penyaluran air limbah (SPAL) yang efektif di Kecamatan Tegallalang sebagai solusi lingkungan yang berkelanjutan. Metode yang digunakan dalam penelitian ini adalah proyeksi penduduk dengan pendekatan Least Square, yang bertujuan untuk memprediksi jumlah penduduk berdasarkan tren pertumbuhan historis. Hasil perencanaan menunjukkan bahwa luas daerah pelayanan SPAL adalah 1.959,65 hektar, dengan perkiraan jumlah penduduk yang dilayani sebanyak 24.591 jiwa pada tahun 2035. Sistem ini dirancang untuk menyalurkan 80% dari total kebutuhan air bersih domestik dan non-domestik, yaitu sebesar 171,30 liter/detik, melalui jaringan pipa. Selain itu, infrastruktur SPAL meliputi manhole lurus sebanyak 304 unit, belokan 10 unit, pertigaan 3 unit, dan tanpa perempatan. Kesimpulan dari penelitian ini menunjukkan bahwa implementasi SPAL di Tegallalang berpotensi meningkatkan kualitas lingkungan dengan sistem pemisahan air limbah domestik yang terencana secara optimal. Studi ini memberikan kontribusi bagi perencanaan infrastruktur sanitasi yang lebih berkelanjutan di daerah wisata berbasis lingkungan.
Co-Authors Anak Agung Ratu Ritaka Wangsa Anggun Istri Wulantari, Sagung Ari Yudiaskara, Dewa Ngakan Edya Pitoyo i kadek ardi putra I Made Nada I Made Wahyu Wijaya Indah Dianti Putri, Putu Intan Yuni Antari, Ni Kadek Mahendra Dewi, Ni Luh Putu NI LUH WIDYASARI Sastra Wibawa, I Made Shinta Enggar Maharani Vina Maharani, Made Windu Dwipayana, Made