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All Journal Jurnal Teknik ITS Jurnal Dampak SUSTINERE: Journal of Environment and Sustainability Jurnal Purifikasi Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal Teknologi Lingkungan Lahan Basah
Abdu Fadli Assomadi
Institut Teknologi Sepuluh Nopember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Nursing Public Health Social Sciences Other

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STUDI PENGARUH INTENSITAS ULTRAVIOLET PADA FOTOKATALIS TiO2 SEBAGAI REDUKSI NO2 DAN MIKROORGANISME DALAM SISTEM VENTILASI RUANG Suwasono, Tabah; Assomadi, Abdu Fadli
Purifikasi Vol 22 No 1 (2023): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v22.i1.441

Abstract

NO2 concentrations in vehicles or near highways are much higher than those measured on monitors in the current network. Some measurements in highway and terminal areas are reported to exceed the established quality standards although some areas of NO2 concentrations are below the quality standards but from surveys and data analysis show a risk quotient value of more than 1 indicating that it is not safe to be in the area for the next 30 years. One method to reduce NO2 concentration is titanium dioxide (TiO2) illuminated by UV, the presence of UV can be studied related to the reduction of microorganisms. The research was conducted with the study of ultraviolet intensity on TiO2 photocatalyst in reducing NO2 and UV intensity on microorganisms. The data taken is secondary data. This was followed by finding design criteria, followed by material selection. Dimensional calculations are carried out based on the material and criteria determined, then the estimated reduction efficiency on NO2 and microorganisms can be carried out and adjusted to the quality standards of PerMenKes No. 1077 of 2011. The estimation results show that the room ventilation design using an intensity of 75.8 mW/cm2 on TiO2 photocatalyst is able to reduce NO2 by at least 52.53% with an inlet concentration of 0.067 ppm. The use of an intensity of 75.8 mW/cm2 in the space ventilation design was able to reduce microorganisms with a UV D90 dose value below 238.77 J/m2. The space ventilation design is estimated to be sufficient to supply home room air under non-smoking conditions with NO2 reduction results according to the standard and close to microorganisms.
RANCANG BANGUN ALAT PEMANTAU KUALITAS UDARA DENGAN PEMANFAATAN IoT (INTERNET OF THINGS) BERBASIS MIKROKONTROLER MENGGUNAKAN SENSOR MQ-135 DAN MQ-136 PADA WILAYAH KABUPATEN PONOROGO (PARAMETER CO2 DAN SO2) Majiid, Muhammad Irfanuddin; Assomadi, Abdu Fadli
Purifikasi Vol 22 No 1 (2023): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v22.i1.444

Abstract

This study uses an Arduino Uno-based IoT air monitoring device with MQ-135 sensor and MQ-136 sensor. Arduino Uno is a microcontroller board based on ATmega328 (datasheet). It has 14 input pins of digital output where 6 of them can be used as PWM output and 6 analog input pins, 16 MHz crystal oscillator, USB connection, power jack, ICSP header, and reset button. To support the microcontroller to be used, the Arduino Uno Board is connected to a computer using a USB cable or electricity with an AC-to-DC adapter or battery to run it. The MQ-135 sensor type is one of the sensors that can detect CO2 gas levels. This sensor has low conductivity when placed in clean air. Then the MQ-136 sensor type is a sensor that has high sensitivity to SO2 gas, this sensor can also be used to detect other vapors containing sulfur gas. In both sensors there is a resistance value (Rs) that can change when exposed to gas and also a heater that is used to clean the sensor room from outside air contamination. The output of the two sensors is in the form of analog data. The ESP8266 is a Wi-Fi Smart on Chip (SoC) that is designed to be minimalist in size and uses very little external circuitry. The chip can communicate over wifi infrastructure using IPv4, TCP/IP, and HTTP protocols. The results of the MQ-135 and MQ-136 sensor readings on the microcontroller device show quite good values and also meet the existing quality standards. The MQ-135 sensor for CO2 gas readings has an average result of 314 ppm. The MQ-136 sensor for SO2 gas readings has an average value of 0.015 ppm. The working system on Android that is used uses the Blynk Apps application by making coding for LCD, LED, buzzer, and sensors that are connected to smartphones via wireless. The use of the value feature as real-time data has been able to monitor and provide air quality notifications via smartphone or email.
KAJIAN DAMPAK EMISI UDARA TERHADAP LINGKUNGAN PADA PROSES PRODUKSI MINYAK DAN GAS BUMI DI PT. X MENGGUNAKAN METODE LIFE CYCLE ASSESSMENT (LCA) Saraswati, Theresia Canthika; Assomadi, Abdu Fadli
Purifikasi Vol 22 No 2 (2023): Jurnal Purifikasi
Publisher : Department of Environmental Engineering-Faculty of Civil, Planning, and Geo Engineering. Institut Teknologi Sepuluh Nopember, Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25983806.v22.i2.445

Abstract

PT. X has conducted a Life Cycle Assessment (LCA) study in 2019. However, it has not been proven that the air emission reduction program that has been implemented is effective in reducing the environmental impacts that occur. In this study, the LCA study is continued to identify the largest environmental impacts that occur and hotspot units after implementing the air emission reduction program and determine the effectiveness of the program. SimaPro software was used to conduct the LCA analysis, with a midpoint approach and using the CML-IA Baseline method. Based on the LCA analysis, the biggest environmental impacts that occur at PT X are acidification in SP A, B, C and global warming (GWP100a) in SP D. the air emission reduction program that has been implemented since 2019 has effectively reduced the impacts that occur. The recommended improvements to reduce the impact of acidification and global warming are replacing diesel engines with gas engines, installing Non-Selective Catalytic Reduction (NCSR), utilizing flare gas into compresses natural gas, and enhancing oil recovery using carbon capture separation technology to capture CO2 gas.
Analisis Pengaruh Perubahan Iklim Wilayah Kabupaten Pacitan Terhadap Proyek PLTA Grindulu Ompusunggu, Sahat Ricky Pranata; Hermana, Joni; Syafe'i, Arie Dipareza; Assomadi, Abdu Fadli
Jurnal Teknologi Lingkungan Lahan Basah Vol. 14 No. 2 (2026): July 2026
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtllb.v14i2.103855

Abstract

PLTA pumped storage berperan penting dalam menjaga keandalan sistem ketenagalistrikan pada era transisi energi. Namun, kinerjanya sangat bergantung pada ketersediaan air yang rentan terhadap perubahan iklim. Penelitian ini menganalisis curah hujan historis dan proyeksi curah hujan di DAS Grindulu sebagai dasar evaluasi ketersediaan air reservoir PLTA Grindulu pumped storage. Data curah hujan Stasiun Tegalombo periode 2015–2024 dianalisis, sedangkan proyeksi hingga 2100 menggunakan skenario SSP2-4.5 dan SSP5-8.5 dengan koreksi bias Quantile Delta Mapping (QDM). Hasil menunjukkan curah hujan memiliki variabilitas antartahun yang tinggi, dengan rata-rata tahunan 2182 mm dan standar deviasi 720 mm. Metode QDM efektif mengurangi bias model, ditunjukkan oleh PBIAS yang umumnya berada dalam rentang ±15%, nilai MAE yang stabil, dan RMSE yang konsisten antardekade. Proyeksi jangka panjang menunjukkan peningkatan curah hujan tahunan pada kedua skenario, dengan ketidakpastian lebih besar pada SSP5-8.5 setelah pertengahan abad. Temuan ini menunjukkan bahwa perubahan iklim dapat memengaruhi ketersediaan air reservoir dan keandalan PLTA pumped storage, sehingga diperlukan perencanaan yang adaptif.   
Analisis Jejak Karbon Individu Karyawan Migas EP Kalimantan Timur Ahmad Randi Taufiqussyakir; Abdu Fadli Assomadi
Dampak Vol. 23 No. 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.23.1.57-67.2026

Abstract

Penelitian ini menganalisis jejak karbon individu karyawan Migas EP Kalimantan Timur, dengan fokus pada dua aspek utama: perhitungan jejak karbon dan kajian dampak ekonomi terkait emisi karbon yang dihasilkan oleh aktivitas karyawan. Metode yang digunakan adalah pendekatan kuantitatif dengan Stratified Random Sampling untuk pemilihan sampel dari 796 karyawan yang mencakup berbagai strata jabatan dalam perusahaan. Perhitungan jejak karbon dilakukan menggunakan metodologi IPCC, untuk mengukur emisi karbon individu yang dihasilkan oleh aktivitas transportasi dan konsumsi energi. Sedangkan dampak ekonomi dihitung menggunakan Replacement Cost Method (RCM) dengan menilai biaya mitigasi emisi karbon melalui proyek penanaman pohon. Hasil penelitian menunjukkan bahwa aktivitas transportasi merupakan kontributor terbesar terhadap emisi karbon individu, dengan total emisi tahunan mencapai 288.160,35 kg CO2. Biaya mitigasi yang diperlukan untuk mengimbangi emisi karbon individu diperkirakan sebesar IDR 1.862.889.361 per tahun, dengan pohon Trembesi dan Mangrove sebagai solusi penyerapan karbon yang paling efisien. Berdasarkan harga perdagangan karbon domestik yang berlaku sebesar IDR 96.000 per ton, biaya offset karbon yang diperlukan untuk mengimbangi emisi karbon individu hanya IDR 27.663.360 per tahun, yang jauh lebih rendah dibandingkan dengan estimasi biaya mitigasi dalam penelitian ini.
Co-Authors Afifah Raudloh Anni'mah Agung Murti Nugroho Ahmad Randi Taufiqussyakir AM, Annur Yudha Ardhi Rahmadhani Boedisantoso, Rachmat Boedisantoso, Rachmat Febrianto, Arry Imam Safawi Ahmad, Imam Safawi Joni Hermana Juwita Amanda Lestari, Juwita Amanda Majiid, Muhammad Irfanuddin Muzakky, Achmad Ni Putu Isana Wikandari Novi Dian Arfiani Ompusunggu, Sahat Ricky Pranata Parmawati, Rita Pratama Heru Prasetyo Rachman, Fandi Nufinda Rachmat Boedi Santoso Retno Adriyani Saraswati, Theresia Canthika Septian Hadi Susetyo, Septian Hadi SUDARMAJI SUDARMAJI Suwasono, Tabah Syafe'i, Arie Dipareza Syafei, Arie Dipareza Wulandari, Prisca Kiki