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Effectiveness of Reducing GHG Emissions With Fuel Conversion in Gas and Steam Power Plant PT PLN UPDK Belawan, North Sumatera Suryati, Isra; Zulkarnain, Randy; Utami, Rahmi; Siregar, Naomi Febriyanti; Suyanto
DINAMIS Vol. 12 No. 1 (2024): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v12i1.16524

Gas and Steam Power Plant (PLTGU) PT. PLN (Persero) Belawan Generation Control Implementation Unit (UPDK) is the main supplier of electricity needs in the Northern Sumatra System. In the initial period of operation, PLTGU PT. PLN UPDK Belawan uses diesel oil as fuel. The use of fuel originating from the bowels of the earth certainly produces greenhouse gas (GHG) emissions. Since 2015, this PLTGU has started using natural gas as fuel. Changes in fuel use will affect the GHG emission load resulting from the Belawan PLTGU. This research aims to analyze the GHG emission load from the two types of fuel and examine the differences in GHG emissions when the conversion of diesel fuel to natural gas occurs. The emission load calculation uses the IPCC method and guidelines from the Ministry of Energy and Mineral Resources with national emission factors, meanwhile, to carry out real difference tests using the WSR test from SPSS. The results of the emission load calculation show that there is a difference in the greenhouse gas emission load produced before using natural gas fuel and when using natural gas fuel of 20.85%. This shows that fuel conversion from diesel oil to natural gas can reduce the burden of household gas emissions

Analysis distribution sulfur dioxide and nitrogen dioxide concentration from PLTU Pangkalan susu with callpuff method Zulkarnain, Randy; Suryati, Isra’; Pratama, Alvin
Jurnal Pendidikan Teknologi Kejuruan Vol 3 No 4 (2020): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptk.v3i4.15923

Coal-fired power plants will emit several types of pollutants into the ambient air such as particulates and gases. One way to estimate the extent of the impact distribution of these pollutants is by using air quality modeling. The model used in this study is Calpuff, where this model is a non-steady state model and is influenced by variations in meteorological factors. The research location is PLTU Pangkalan Susu (2x200 MW) with SO2 and NO2 parameters. The purpose of this study was to calculate the concentrations of SO2 and NO2 with Calpuff, to validate modeling with field observations and to simulate the distribution of impacts. The results showed that the concentration of SO2 model obtained was 0.32 - 3.57 µg/m3 and NO2 was 0.51 - 5.15 µg/m3. Meanwhile, the observation results showed that the SO2 concentration was 27 - 39.88 µg/m3 and NO2 was 19.77 - 29.73 µg/m3. The simulation results of the distribution of SO2 and NO2 concentrations with the Calpuff model show that the impact distribution area is in the direction of the wind in the windrose and the affected area is in the southwest of the PLTU Pangkalan Susu. The results of model validation for the values of d = 0.97, r = 0.616 - 0.665 and FB = -1.719 - -1.849, which means that the Calpuff model is quite valid and can be applied to predict the impact distribution area at PLTU Pangkalan Susu.

Analisis Dispersi Polutan SO2 dan NOx dengan Model AERMOD (Studi Kasus: PLTU Pangkalan Susu PT. PLN Indonesia Power PGU) Syukri Hadi Novri Siregar; Isra’ Suryati; Lies Setyowati; Rahmi Utami; Meidina Zulfa Hanie; Affandi Lubis; Randy Zulkarnain
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Coal-fired power plants produce emissions of particulate matter and gases such as NOx, SO2 and Hg, which can have adverse effects on living organisms. Modelling is one method used to estimate the impact of an emission. In addition, the pollutant dispersion model can be used to assess the compliance of an industry's ambient air sampling points. The model used in this study is AERMOD, which is a steady state model influenced by the existing meteorological conditions. The study site is Pangkalan Susu PLTU (2x200 MW) with NOx and SO2 parameters. The purpose of this study was to analyse the distribution patterns of NOx and SO2 concentrations using the AERMOD model, to analyse the differences in pollutant distribution models in wet and dry months, and to validate the modelling with field observations. The results showed that the maximum concentration of the model was 17.4 µg/m3 for NOx and 16.2 µg/m3 for SO2. The simulation results of the AERMOD model show the impact distribution area to the southeast in the wet month and to the northeast in the dry month of the Pangkalan Susu PLTU. The validation results show that the model is in agreement with the field observations.

Studi Potensi Serapan Karbon dan Nilai Ekonomi dari Inisiatif Penghijauan di PT PLN Indonesia Power Pangkalan Susu PGU Muhammad Adli; Isra Suryati; Utami, Rahmi; Anggia Sari, Yasmine; Setyowati, Lies; Lubis, Affandi; Zulkarnain, Randy
Dampak Vol. 22 No. 1 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.22.1.45-55.2025

Pemanasan global menjadi permasalahan krusial yang berdampak terhadap lingkungan, terutama disebabkanolehemisi gas rumah kaca (GRK) dari sektor energi. PT PLN Indonesia Power Pangkalan Susu PGU, sebagai pembangkit listrik berbahan bakar batubara, bertanggung jawab mengurangi dampak lingkungan dari operasional PLTU. Penelitian ini bertujuan mengevaluasi potensi serapan karbon dari program penghijauan PT PLN Indonesia Power Pangkalan Susu PGU serta nilai ekonominya. Metode yang digunakan adalah persamaan allometrik untuk mengukur serapan karbon dan perhitungan nilai ekonomi dengan metode proxy good technique. Penelitian ini mengidentifikasi potensi serapan karbon dan nilai ekonomi dari program penghijauan di lokasi operasional (8,57 ha) dan lokasimangrove (2 ha) di Desa Pasar Rawa. Hasil penelitian menunjukkan total serapan karbon mencapai 1.231,06 tonCO2 per tahun dengan nilai ekonomi sebesar 12.310,68 USD dolar atau sekitar Rp201.895.152,00 per tahun, berdasarkanharga pasar karbon sebesar 10 dolar per ton CO2. Meskipun memberikan manfaat lingkungan dan nilai ekonomi, programini masih defisit dalam memenuhi persetujuan teknis batas atas emisi (PTBAE) yang ditetapkan oleh KementerianESDM. Untuk memenuhi target emisi pada tahun 2024, diperlukan pengurangan sebesar 353.744,58 ton CO2e yangmembutuhkan lebih luas lagi lahan penghijauan. Kata Kunci: emisi gas rumah kaca, nilai ekonomi karbon, pemanasan global, penghijauan, serapan karbon

Application of ultraviolet light as an indoor disinfectant Khair, Hafizhul; Suryati, Isra; Utami, Rahmi
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 5 No. 2 (2020): ABDIMAS TALENTA : Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

WHO announced a new outbreak disease, COVID-19, as a public health emergency that has plagued the world since January 30, 2020. Critical readiness and response are needed, such as equipping healthcare workers and facility management with important information, procedures, and tools to be safe and working effectively in responding to the outbreak. One of the critical hospital's services facilities is an isolation room/inpatient room. This room needs to be sterilized using a disinfectant regularly. The use of disinfectants, such as chemical fluids can only kill vegetative cells from microbes/viruses. Microbes/viruses, especially in the form of vegetative cells, could be killed by ultraviolet exposure. The objectives of this service program are: (1) Improving the cleanliness of hospital inpatient rooms so that they can be used immediately in treating patients (2) Speeding up the process of cleaning/sterilizing hospital inpatient rooms/isolation given the increasing number of patients in monitoring for covid-19 cases. The problem with inpatient sanitation/isolation in hospitals is usually many microbes in the indoor air. Clean and sterile inpatient/isolation rooms are needed in the patient's care. Therefore, it is necessary to improve the process of cleaning /sterilizing the inpatient room/isolation in the hospital by using UV exposure.

Optimization of Sanitation Facilities to Support Open Defecation Free (ODF) Programs in Dusun 13 Desa Percut Kecamatan Percut Sei Tuan Hasibuan, Novrida Harpah; Suryati, Isra; Khairani, Fitri; Dalimunthe, Nurul Ika Putri
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 1 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Lack of access to proper sanitation is a major risk factor for infectious diseases such as cholera, diarrhea, dysentery, hepatitis A, typhoid and polio. The Community-Based Total Sanitation Program in the first pillar of Stop Open Defecation aims to change people's lifestyles by using proper sanitation. However, the program has not run evenly. One of the areas that has not yet received the results of the policy is Dusun 13, Percut Village, Percut Sei Tuan, Deli Serdang Regency, North Sumatra which is a coastal area. This community service was able to provide proper sanitation facilities and socialization of healthy lifestryle to the community especially housewife in this area. The construction of sanitation facilities are two bathrooms with a size of 2 x 1.5 m with closets in each room, a septic tank with a capacity of 15 people basen on Indonesia Standard with number 2398 : 2017, tested the water quality, and installed a water pump. Socialization to implemented healthy lifestyle properly done with 20 participants as housewife in this area. This community service is expected to improve the quality of life, prevent the transmission of waterborne diseases and prevent groundwater contamination

Improving the Quality of Sanitation and Environmental Cleanliness at SD Swasta Pembangunan, Petumbak District, Deli Serdang Regency Suryati, Isra; Hasibuan, Novrida Harpah; Indrawan, Ivan; Listiany, Bayu; Surya, Kevin Darma; Pane, Muhammad Adil Fadhly; Sito, Lucy Elisabeth
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v7i2.7310

School sanitation is one of the development priorities included in the Sustainable Development Goals (SDGs), namely goal 4a is to build and improve educational facilities that are child-friendly, persons with disabilities, gender and provide a safe, non-violent, inclusive, and effective learning environment for all. The Development Private Elementary School is a private elementary school located in Patumbak District. This school is prioritized for the economically weak community whose parents work as laundry workers, construction workers, motorcycle rickshaw drivers and others. The foundation collects a tuition fee of Rp. 10,000/month, which is certainly not sufficient for school operational costs so that the development of school facilities and infrastructure is not up to standard. Environmental sanitation conditions in this school such as the availability of clean water is lacking, bathrooms are damaged, waste handling is not optimal, there is no place for washing hands. Based on these problems, the solution given is to improve proper sanitation conditions in the school by making boreholes with a depth of Â± 10 m equipped with a pump to meet the water needs in the bathroom, renovating the bathroom, providing segregated trash cans and portable hand washing stations. In addition to providing in kind, this community service activity also provides socialization related to proper sanitation and clean and healthy living behavior to students.

Analysis distribution sulfur dioxide and nitrogen dioxide concentration from PLTU Pangkalan susu with callpuff method Zulkarnain, Randy; Suryati, Isra’; Pratama, Alvin
Jurnal Pendidikan Teknologi Kejuruan Vol 3 No 4 (2020): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jptk.v3i4.15923

Coal-fired power plants will emit several types of pollutants into the ambient air such as particulates and gases. One way to estimate the extent of the impact distribution of these pollutants is by using air quality modeling. The model used in this study is Calpuff, where this model is a non-steady state model and is influenced by variations in meteorological factors. The research location is PLTU Pangkalan Susu (2x200 MW) with SO2 and NO2 parameters. The purpose of this study was to calculate the concentrations of SO2 and NO2 with Calpuff, to validate modeling with field observations and to simulate the distribution of impacts. The results showed that the concentration of SO2 model obtained was 0.32 - 3.57 µg/m3 and NO2 was 0.51 - 5.15 µg/m3. Meanwhile, the observation results showed that the SO2 concentration was 27 - 39.88 µg/m3 and NO2 was 19.77 - 29.73 µg/m3. The simulation results of the distribution of SO2 and NO2 concentrations with the Calpuff model show that the impact distribution area is in the direction of the wind in the windrose and the affected area is in the southwest of the PLTU Pangkalan Susu. The results of model validation for the values of d = 0.97, r = 0.616 - 0.665 and FB = -1.719 - -1.849, which means that the Calpuff model is quite valid and can be applied to predict the impact distribution area at PLTU Pangkalan Susu.

Perbaikan Fasilitas Sanitasi Dasar dan Edukasi Lingkungan di SD Negeri 060955 Meidina Zulfa Hanie; Isra’ Suryati; Robi Arianta Sembiring; Yasmine Anggia Sari; Yunita Patricia; Danovan Anindya; Fauziah Khairunnisa
Sewagati Vol 9 No 4 (2025)
Publisher : Pusat Publikasi ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j26139960.v9i4.3431

Fasilitas sanitasi yang layak berperan penting dalam menciptakan lingkungan belajar yang sehat dan nyaman. Namun, SD Negeri 060955 di Medan menghadapi berbagai kendala sanitasi, seperti toilet yang rusak, minimnya tempat sampah, dan fasilitas cuci tangan yang tidak berfungsi dengan baik. Keterbatasan anggaran menjadi tantangan utama dalam upaya perbaikannya. Melalui program pengabdian masyarakat ini, dilakukan perbaikan toilet, penyediaan tempat sampah terpilah, serta perbaikan fasilitas cuci tangan guna meningkatkan kualitas sanitasi sekolah. Sebagai bagian dari edukasi lingkungan, siswa diberikan pembelajaran mengenai Perilaku Hidup Bersih dan Sehat (PHBS) untuk menumbuhkan kesadaran akan pentingnya menjaga kebersihan dan kesehatan lingkungan sekolah. Kegiatan ini dilaksanakan melalui survei awal untuk mengidentifikasi permasalahan, renovasi fasilitas, serta sosialisasi bagi siswa dan tenaga kependidikan. Hasil evaluasi menunjukkan bahwa seluruh toilet kini berfungsi baik, fasilitas cuci tangan kembali operasional, dan tempat sampah telah tersedia sesuai standar pemilahan. Selain itu, siswa menunjukkan antusiasme serta partisipasi aktif selama edukasi lingkungan berlangsung, yang mengindikasikan adanya peningkatan kesadaran terhadap kebersihan lingkungan sekolah.

Effect of Carbonization Temperature, Particle Size, and Binder Type on the Quality and CO Emissions of Oil Palm Shell Bio-Briquettes Novrida Harpah Hasibuan; Isra Suryati; Rahmi Karolina; Orisa Sativana Megawati; Trie Nova Marito Sitanggang; Yerica Magdalena Silaen; Sarah Patumona Manalu
DINAMIS Vol. 14 No. 1 (2026): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v14i1.25169

Bio briquettes from palm kernel shells have the potential to replace fossil fuels as an alternative energy source. However, their quality is largely determined by the characteristics of the raw materials and the type of binder. This study aims to analyze the effect of binder type (starch and molasses), carbonization temperature, charcoal particle size, and binder concentration on briquette quality. The parameters tested included moisture content, ash content, compressive strength, calorific value, and CO2 emissions, as specified in the Indonesian National Standard (SNI). Briquettes were produced through carbonization, mixing, molding, and drying, then tested by proximate analysis, compression testing, calorimetry, and gas emissions analysis. The results indicated that binder type affects moisture content, ash content, and strength, but does not impact calorific value. Briquettes with molasses produced the lowest moisture content of 1.1%, namely in samples with 350°C, 100 mesh, 20% molasses. The lowest ash content and highest sample strength were obtained in samples with starch binder (350°C, 60 mesh, 20% starch), namely 2.2% and 39.91 Kg/cm2. The sample with the highest calorific value was 6561.49 Cal/g (400°C, 60 mesh, 20% molasses). Interestingly, the binder type did not significantly affect the calorific value; particle size was the dominant factor. In terms of emissions, molasses produced lower CO2 (812 ppm) than starch, at 400°C, 60 mesh particles, and a molasses concentration of 15%. This study confirms that the choice of binder significantly influences the physical and mechanical properties of bio briquettes, but does not significantly affect their calorific value. These findings provide important guidance for optimizing palm oil waste-based briquette formulations to produce efficient, environmentally friendly, renewable energy.

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