Papers by Ahyahudin Sodri
IOP Conference Series: Earth and Environmental Science, 2019
Ammonia is a raw material of fertilizer, refrigerant, and other commercial cleaning products whic... more Ammonia is a raw material of fertilizer, refrigerant, and other commercial cleaning products which commonly stored in a large capacity. The higher storage capacity, the higher risk possibly occurs impacted to the population and environment. The study aims to provide a modeling of ammonia release scenarios, escape from the storage facility, Urea Fertilizer Industry X, located in Indonesia. This model is utilizing Area Location Hazardous Atmosphere (ALOHA) software to forecast the threat zone of ammonia release scenario and QGIS to overlay and spatial analysis. The result shows that the incident causes a significant impact on the area of 41.7 km2and potentially threatens a massive scale of the inhabitant with higher evacuation factor (Ef), lower affected population (Ap). The risk determined by estimated probability and consequence considered as high risk, therefore, besides the main aim of establishing an emergency response plan, this study could also be used as a reference in risk ev...
Energies
Using palm oil mill effluent (POME) to produce biogas is an alternative and sustainable way to co... more Using palm oil mill effluent (POME) to produce biogas is an alternative and sustainable way to control POME GHG emissions while also providing economic benefits. The increasing area of oil palm plantations encourages an increase in palm oil production and the generation of POME in Indonesia. This could increase potential GHG emissions and global warming. In contrast, biogas power plants from POME are less attractive for economic investment in Indonesia. However, as the world’s largest palm oil producer, Indonesia still lacks techno-economic and environmental studies of biogas power generation from POME. This study aimed to evaluate the technical, economic, and environmental aspects of the biogas power generation from POME at the study site (Bangka Island, Indonesia). The result shows that the biogas plant at the study site can reduce COD levels of POME by up to 91% and produce biogas at 325,292 m3/month, with a 55% methane content. Biogas can be converted into electrical energy at 6...
Proceedings of the Proceedings of the 1st International Conference on Environmental Science and Sustainable Development, ICESSD 2019, 22-23 October 2019, Jakarta, Indonesia, 2020
Soekarno Hatta International Airport increased capacity requires good accessibility. To improve a... more Soekarno Hatta International Airport increased capacity requires good accessibility. To improve accessibility, the government built airport rail. However, the low level of occupancy threats the achievement of environmentally friendly advantages railway. This condition also affects the sustainability of the Soekarno Hatta Airport Rail. Therefore, it is necessary to know the level of sustainability of airport rail that suitable for developing country that have a limited capacity. This can be achieved by using sustainability transportation index with comparative study approach. Soekarno Hatta Airport Railway has lower sustainability compared to Hong Kong Airport Express and Narita Express. It is necessary to adjust the operation system based on occupancy level and to reduce travel time to improve its sustainability. Other policies that regulate travel behavior are needed so that the Soekarno Hatta Airport Rail will meet its purpose.
Atmosphere, 2022
Transit-oriented development (TOD) is integrated spatial planning and transportation that enhance... more Transit-oriented development (TOD) is integrated spatial planning and transportation that enhances walkability and other green mobility. The issue of thermal comfort in walkability is a major concern in the TOD of cities in tropical climates such as Jakarta. This study aimed to model and compare microclimate conditions and thermal comfort between existing conditions and TOD spatial planning scenarios. The microclimate condition was modeled using ENVI-met, and thermal comfort was analyzed following the physiologically equivalent temperature (PET) and universal thermal comfort index (UTCI). The results of microclimate modeling showed that the average minimum temperature of the current condition was lower than the TOD at 0.149 °C; meanwhile, the average maximum temperature of the current condition was higher than the TOD at 0.761 °C. Furthermore, the results of the PET and UTCI calculation between the existing land use and the TOD plan scenario showed that both the minimum and maximum ...
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan), 2022
The cement industry is a large industry that can have an impact on the surrounding environment. I... more The cement industry is a large industry that can have an impact on the surrounding environment. In the area of Boolang Regency, Mongondow, North Sulawesi, there is a foreign cement industry that has only been operating for about 2 years. Therefore, it is necessary to study the environmental impacts that have occurred around the cement industry. The objective of this study is to analyze the impact of the physical environment, especially water, on the production activities of the cement industry in Boolang Regency, Mongondow, North Sulawesi. The research method used was a laboratory test and the data were processed using STORET. The results showed that the water quality in the residents' wells was in very good condition, while the surface quality of the river water around the cement industry area could be categorized as lightly polluted.
Journal of Environmental Science and Sustainable Development, Jul 30, 2021
IOP Conference Series: Earth and Environmental Science, 2021
An increase in the area of built-up space can lead to a decrease in the green open space of urban... more An increase in the area of built-up space can lead to a decrease in the green open space of urban forest in industrial areas so that the minimum standard for urban forest area is not met. One of the environmental management that can provide thermal comfort in industrial areas is urban forests. This article aims to analyze and evaluate the availability and needs of urban forest vegetation to provide thermal comfort in industrial estates by utilizing Landsat 8 satellite imagery. The methods used in this article are qualitative and quantitative analysis. The qualitative methods were using secondary data in the form of literature studies. Meanwhile, the quantitative methods were following to obtain information on the availability and needs of urban forest vegetation using the Normalized Difference Vegetation Index (NDVI) method on Landsat 8 images. The analysis of urban forest vegetation in industrial areas found that forest vegetation city in industrial area X has a fairly low area. Th...
IOP Conference Series: Earth and Environmental Science, 2021
Transit-Oriented Development (TOD) is an urban development concept that is carried out in Jakarta... more Transit-Oriented Development (TOD) is an urban development concept that is carried out in Jakarta. The development of urban areas with the TOD concept needs to consider land and water as a support system called the environmental carrying capacity concept. Therefore, this research is conducted to analyze the environmental carrying capacity in the TOD area based on land capability and water availability. The land capability is analyzed based on the elevation, slope, and subsidence, while water availability is analyzed based on groundwater quality and water supply. This research is conducted in the Dukuh Atas TOD area as part of the Jakarta MRT track phase 1. The GIS overlay analysis is used to determine the environmental carrying capacity of the TOD area. The results show that the TOD area is in excellent land capability but inadequate water availability due to its low groundwater quality. Nevertheless, water availability is still in good condition due to the local water company’s sup...
Various factors influence palm oil production, including planting material, environment (climate ... more Various factors influence palm oil production, including planting material, environment (climate and soil), and cultivation management. The environment occupies a crucial position that can affect crop production potential even with optimal cultivation management. Unfavorable climatic conditions, for instance, drought, can cause water deficit, which has implications for crop productivity. This paper aims to get a comparative study for the effect of water deficit on the inflorescence period, namely the sex determination phase (29 months before harvesting) and floral abortion (10 months before harvesting). The research was carried out on oil palm plantations on peatland in Riau, Indonesia, with the characteristic annual rainfall of 2000 mm/ year. This study employs a simple regression analysis on panel data of five years and two estates for data analysis. The result highlights that the increase of a 100 mm water deficit on oil palm peatland plantation impacts the decrease in productivi...
IJEEM - Indonesian Journal of Environmental Education and Management, 2021
Industri semen adalah salah satu bidang industri besar yang ada di berbagai wilayah di Indonesia ... more Industri semen adalah salah satu bidang industri besar yang ada di berbagai wilayah di Indonesia yang memberikan dampak positif maupun dampak negatif untuk kelestarian lingkungan serta masyarakat yang berada disekitarnya. Industri yang berupa prodak suatu barang atau jasa dari suatu pemanfaatan dan pengolahan sumber daya alam menghasilkan berbagai dampak di berbagai aspek yaitu aspek ekonomi, aspek lingkungan, dan aspek sosial.  Tujuan dari penelitian ini adalah menganalisis persepsi masyarakat akibat adanya kegiatan industri semen di wilayah strategis baru yaitu wilayah Boolang, Mongondow, Sulawesi Utara. Metode yang digunakan dalam penelitian ini adalah kualitatif menggunakan analisis deskriptif dan tabulasi. Hasil penelitian menunjukan bahwa mayoritas masyarakat belum merasakan adanya perubahan dampak berarti dari adanya industri semen. Kesimpulan penelitian ini adalah belum adanya dampak positif berarti dari adanya industri semen di wilayah Kabupaten Boolang, Mongondiw, Sulawe...
Proceedings of the Proceedings of the 1st International Conference on Environmental Science and Sustainable Development, ICESSD 2019, 22-23 October 2019, Jakarta, Indonesia, 2020
Population growth has a significant impact on land use for settlements. This article aims to buil... more Population growth has a significant impact on land use for settlements. This article aims to build a model of residential development based on WEBGIS in the city of Parepare.The method used is the spatial analysis of overlay spatial and scoring data using software (GIS). Knowing the public's perception conducted interviews and distributed questionnaires to up to 296 respondents. The results of this study show that the development of settlements towards the suburbs. Forest area fell to 2,971 hectares in 2014, and rice fields were reduced by 837 hectares, and land for settlements increased to 923 hectares in 2015. This WEBGIS model can demonstrate the good distribution of space for the allocation of residential areas. This model is expected to be the benchmark for people who make decisions about the settlement area. This model can be a tool to anticipate the development of settlements in the city of Parepare.
Introduction: Coal consumption for electrical energy at Steam Power Plant increase often with eco... more Introduction: Coal consumption for electrical energy at Steam Power Plant increase often with economic and population growth. Burning coal produces harmful pollutants such as PM2.5 and SO2 affecting public health problems and decline in social and economic conditions. Therefore, implement the strategies are needed to reduce risks and long-term impacts on the environment. The research aimed to analyze the risk and impact of air pollutants exposure and develop control strategies. Methods: This study used the methods of environmental health risk analysis, analysis of the level of understanding and perception, cost of illness analysis, and Strength, Weakness, Opportunities, and Threats analysis, Data obtained by survey, interviews using questionnaire instrument to 293 respondents, five experts to determine risk control strategies and the secondary data from Environmental Agency of Bekasi Regency. Results and Discussion: The result showed that most risk is 13-55 years old, and people who...
Indonesia’s power generation capacity increased by 3% to reach 64.5 GW from 20017 to 2018, where ... more Indonesia’s power generation capacity increased by 3% to reach 64.5 GW from 20017 to 2018, where 86% of the power plants that have been built are fossil-fueled. Limited resources and the impact arising from the production process will impact the environment, thus hindering sustainable development. Therefore, it is needed to set indicators that can be used to evaluate power generation’s sustainability to improve the community’s welfare. This research aims to find sustainability indicators that can be used to assess the electrical power generation system. A total of 51 articles from the snowball sampling approach was analyzed using a qualitative systematic literature review and quantitative method. We found 43 indicators covering economic, social, and environmental dimensions that can be used to assessed Indonesia’s electrical power generation’s sustainability.
High irradiance of a curing unit with continuous lighting is associated with high output temperat... more High irradiance of a curing unit with continuous lighting is associated with high output temperature that could lead to high pulp chamber temperature. The pulse-lighting mode has been studied as an alternative to the continuous lighting. The aim of our study was to analyze the influence of the lighting modes of the light curing unit on the dental pulp chamber temperature of extracted teeth. We constructed an experimental unit, with different irradiances with light exposure times of 10 and 20 sec; the output temperature and irradiances were measured. The irradiances were used to polymerize resin composites restored in teeth with different light exposure times. Then, the temperature of the dental pulp chamber were determined, whereas, the temperature of the dental pulp without light exposure was used as baseline. A commercially available curing unit that was checked to have continuous-lighting mode with an irradiance of 900 mW/cm2 and is operated only in 20 sec was employed for compar...
Lecture Notes in Civil Engineering, 2021
Indonesian Journal of Geography, 2021
Many studies have investigated the effects of transit-oriented development (TOD) on density, desi... more Many studies have investigated the effects of transit-oriented development (TOD) on density, design, diversity development, and transit ridership. However, fewer studies address the issue of carrying capacity of TOD. This paper aims to assess TOD areas' carrying capacity using four criteria (land capability, water availability, socio-economic, and green infrastructure) and 14 indicators on Jakarta's two TOD areas. These results show that even though both of the TOD area, Dukuh Atas and Lebak Bulus, are in the good of carrying capacity in land capability, there are some issues to address the possibility of water availability. For TOD's success, the socio-economic criteria should be promoted in the fringe-urban TOD area like Lebak Bulus. We identified the green infrastructure, such as pedestrian, cycling route, and green open space, still in low development and should be pursued to extend the TOD carrying capacity for the future.
JOURNAL OF ENVIRONMENTAL SCIENCE AND SUSTAINABLE DEVELOPMENT, 2020
E3S Web of Conferences, 2020
The New Urban Agenda will focus on Smart Cities and Sustainable Cities. The smart city is a smart... more The New Urban Agenda will focus on Smart Cities and Sustainable Cities. The smart city is a smart city concept designed to support various community activities and provide easy access to information for the public. Under the smart city agenda, presently, many government agencies are attempting to engineer an urban transformation to tackle urban prosperity, live ability, and sustainability issues mostly through the means of technology solutions. This study aims to formulate a website on land use. The method used in this study begins with a study of the literature to find indicators for Smart City. After determining the indicators and benchmarks for the smart city of Parepare City, the survey of the required data is carried out, the processing of survey data and the analysis and evaluation of current conditions. After learning about the current state of the city of Parepare, the website-gis formulations were carried out as one of the instruments of the smart city. Smart City is one of...
IOP Conference Series: Earth and Environmental Science, 2020
Combined Cycle Gas Turbine Plant is one of the fossil fuel power generations that has become the ... more Combined Cycle Gas Turbine Plant is one of the fossil fuel power generations that has become the priority of the fuel-switching program by the Indonesian government to reduce greenhouse gas emissions. Various indicators can be used to assess the sustainability of the power plant. However, the solution for each indicator is challenging to implement at once by the power industry. This paper presents the determination of important indicators from the industry stakeholder by using a multi-criteria decision analysis approach, which affects the sustainability of power plants. The result of this research shows that the environmental dimension has the most important scale value 0.6 of 1 compared to the social and economic dimension, and the primary elements that must be managed on environmental aspects are emissions related to the quality of the ecosystem. Our results can be used in assessing the sustainability of Combined Cycle (CC) Gas Turbines, especially in Indonesia.
MAJALAH ILMIAH GLOBE, 2020
Transit Oriented Development (TOD) adalah sebuah konsep pengembangan kawasan perkotaan berbasis l... more Transit Oriented Development (TOD) adalah sebuah konsep pengembangan kawasan perkotaan berbasis lingkungan yang menyediakan solusi menyelesaikan permasalahan lingkungan akibat tekanan pertumbuhan penduduk. Konsep TOD menjadi konsep yang populer di negara-negara maju, sehingga indikator-indikator keberhasilannya juga berkiblat pada negara maju. Namun demikian, permintaan akan konsep pengembangan kawasan perkotaan seperti TOD tidak hanya pada negara maju, melainkan juga untuk negara berkembang. Studi ini bertujuan untuk mengidentifikasi indikator keberhasilan konsep TOD untuk negara berkembang dan mengevaluasi rencana pengembangan TOD yang ada. Studi ini dilakukan di kawasan TOD Dukuh Atas DKI Jakarta sebagai kawasan TOD yang diarahkan menjadi pusat hub internasional. Studi ini menggunakan metode sistem informasi geografis (SIG) yaitu berupa analisis overlay antara kondisi aktual dan perencanaan dari masing-masing indikator TOD. Indikator yang digunakan pada studi ini adalah jalur pejalan kaki, jalur sepeda, penggunaan lahan campuran, dan ruang terbuka hijau. Hasil studi ini menunjukkan bahwa kawasan TOD Dukuh Atas memiliki rencana jalur pejalan kaki, jalur sepeda, penggunaan lahan campuran, dan ruang terbuka hijau. Akan tetapi, kondisi aktual kawasan TOD Dukuh Atas menunjukkan bahwa jalur pejalan kaki, jalur sepeda, penggunaan lahan campuran, dan ruang terbuka hijau belum memenuhi kriteria kelayakan kawasan TOD karena belum sesuai dengan yang direncanakan. Oleh karena itu, studi ini memberikan beberapa rekomendasi pada penyempurnaan desain kawasan TOD berdasarkan indikator keberhasilan TOD di Kawasan TOD Dukuh Atas. Hal ini dikarenakan desain dan rancangan yang ada sulit untuk dilakukan mengingat kawasan TOD Dukuh Atas telah terbangun sebelumnya. Kata kunci: Transit oriented development, jalur pejalan kaki, jalur sepeda, mix-landuse, ruang terbuka hijau ABSTRACT Transit Oriented Development is an environment-based urban development concept providing solutions to solve environmental problems affected by the pressure of population growth. TOD concept being popular in developed countries so that the indicators also lead to developed countries. However, the demand for urban development concept as TOD not only for developed countries but also for developing countries. This study intended to identify the reliable indicators of the TOD concept fo developing countries and to evaluate the existing development planning of TOD. This study conducted in The TOD of Dukuh Atas DKI Jakarta as an area directed to be the center of an international hub. This study employs Geographic Information System (GIS) methods that is an overlay analysis between actual and planning aspects of each indicator. The indicators employed in this study are the pedestrian path, the cycling path, the mix-landuse, and the green open space. However, the TOD of Dukuh Atas is yet to fulfill the eligibility criteria due to the incompatibility of its planning based on the actual conditions. Therefore, this study offering the recomendation in the improvement of the TOD design based on the reliable indicators of TOD in The TOD of Dukuh Atas. It is due to the current design and planning that are difficult to implement because The TOD of Dukuh Atas already built previously.
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Papers by Ahyahudin Sodri