Rasyad, Helmi Naufal (2023) LAPORAN KERJA PRAKTEK PT. PETROKIMIA GRESIK DEPARTEMEN PRODUKSI III B. Project Report (Praktek Kerja Lapang). Helmi Naufal Rasyad. (Unpublished)
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Abstract
PT Petrokimia Gresik is the most comprehensive fertilizer company in Indonesia, producing various types of fertilizers such as Urea, ZA, SP-36, NPK Phonska, DAP, NPK Kebomas, ZK, and organic fertilizer known as Petroganik. PT Petrokimia Gresik also manufactures non-fertilizer products including Sulfuric Acid, Phosphoric Acid, Ammonia, Dry Ice, Aluminum Fluoride, Cement Retarder, and others. Initially established as the 'Proyek Petrokimia Surabaya' in 1960, the construction agreement was jointly signed on August 10, 1964, and became effective on December 8, 1964. The project was inaugurated by the President of the Republic of Indonesia on July 10, 1972. Therefore, this date is commemorated as the anniversary of PT Petrokimia Gresik. In the utility unit of the sulfuric acid plant IIIB at PT. Petrokimia Gresik, the data shows that the lowest efficiency occurred on the first day (October 1, 2022), with an efficiency of 75.15%, while the highest efficiency occurred on the sixteenth day (October 16, 2022), reaching 90.61%.From the calculation results based on the data over 30 days, the efficiency of the Steam Turbine Generator (STG) 30-TP-6101 experienced fluctuating increases and decreases. These fluctuations are attributed to a decrease in the generated load, mechanical losses, friction losses, steam leaks in transmission pipes, and errors in operation and maintenance, among other factors. The efficiency of the Steam Turbine Generator (STG) 30-TP-6101 did not undergo a significant change but experienced a decrease of approximately 6.22%. From the initial design efficiency of 91%, it decreased to 83.78%. Therefore, the calculation and analysis results indicate that the efficiency of the steam turbine generator (STG) 30-TP-6101 still falls within the normal range, based on the data collected from the utility unit of sulfuric acid plant IIIB at PT. Petrokimia Gresik over a period of 30 days.
| Item Type: | Monograph (Project Report (Praktek Kerja Lapang)) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Mr Helmi Naufal Rasyad | ||||||||
| Date Deposited: | 11 Jan 2024 03:35 | ||||||||
| Last Modified: | 11 Jan 2024 03:35 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/19639 |
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