The ammonia release hazard and risk assessment: A case study of urea fertilizer industry in Indonesia

A. S. Danasa, T. E.B. Soesilo, Dwi Nowo Martono, Ahyahudin Sodri, A. S. Hadi, G. T. Chandrasa

Research output: Contribution to journalConference articlepeer-review

8 Citations (Scopus)


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 km2 and 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 evaluation of chemical release.

Original languageEnglish
Article number012087
JournalIOP Conference Series: Earth and Environmental Science
Issue number1
Publication statusPublished - 31 Dec 2019
Event1st International Seminar on Natural Resources and Environmental Management 2019, ISeNREM 2019 - Bogor, Indonesia
Duration: 15 Aug 2019 → …


  • ammonia release
  • gas dispersion
  • risk assessment
  • toxic.


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