Application of Life Cycle Assessment for Improving the Energy and Waste Management Strategy: A Case Study of Fertilizer Plant in Indonesia

Adiansyah, Joni Safaat (2021) Application of Life Cycle Assessment for Improving the Energy and Waste Management Strategy: A Case Study of Fertilizer Plant in Indonesia. Chemical Engineering Transaction, 89. pp. 145-150. ISSN 2283-9216

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Abstract

Indonesia is one of the countries worldwide that consume significant fertilizer for agricultural activities. A total of 6.27 Mt of urea fertilizer per annum was consumed. Therefore, some fertilizer plants operate in Indonesia and one of the plants is managed by PT Pupuk Kujang. The plant is located at Cikampek West Java and has two production lanes where each lane has a production capacity of 570,000 t urea annually. This study is aimed to identify the potential impact and environmental hotspots of a fertilizer plant. The Life Cycle Assessment (LCA) method was applied and using Centrum Voor Milieuwetenschappen Impact Assessment (CML-IA) analysis for life cycle impact assessment (LCIA). Three main categories were analysed, namely climate change, acidification, and eutrophication. The functional unit was the potential environmental impacts generated by 50 kg of urea fertilizer production. The productions (ammonia, and urea) and distribution process were considered as the system boundary. Seven production processes occurred in the urea plant including synthesizing, purification, concentration, prilling, recovery, process condensate, and bagging process. The results showed that the 50 kg of urea fertilizer emitted 4.73 kg CO2-eq, 0.03 kg SO2-eq, and 0.015 kg PO4-eq and the environmental hotspots were caused by the consumption of electricity from state-owned company (31.5 %), polypropylene content in the fertilizer packaging (0.74 %), and transportation (1.48 %). These environmental hotspots provided an opportunity for the renewable energy introduction and the application of a packaging reuse program to reduce those potential environmental impacts. These strategies improved the environmental performance of PT Pupuk Kujang as a urea fertilizer producer.

Item Type: Article
Subjects: 600 Teknologi dan Ilmu Terapan > 607 Pendidikan, Riset dan Topik Terkait di Bidang Ilmu Pengetahuan Alam
Depositing User: JONI SAFAAT ADIANSYAH
Date Deposited: 28 Jul 2022 22:14
Last Modified: 28 Jul 2022 22:14
URI: http://repository.ummat.ac.id/id/eprint/5136

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