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Analisis Performa Persentase Stripping dan Efisiensi Panas Stripper (DA-101) pada Unit Sintesa Urea PUSRI-II B Enggal Nurisman; Merlinda Ariesty Putri; Mayang Bidari
Journal of Chemical Process Engineering Vol 7, No 2 (2022)
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v7i2.1197

Abstract

The Synthesis Section in the PUSRI II-B Urea Plant is the main section in the process of making urea fertilizer which will determine the components and quality of urea. The Synthesis Section has three main tools, namely reactor (DC-101), stripper (DA-101), and carbamate condenser (EA-101). The stripper (DA-101) plays a role in the process of separating excess ammonia from urea and decomposing unconverted carbamates from the urea synthesis solution. The separation process in the stripper is called stripping. Carbamate decomposition in the stripper can cause side reactions with the result of excess biuret due to unsuitable operating conditions. This caused in the need to control the operating conditions of the stripper so that the formation of biuret can be minimized. In this study, a stripper performance analysis (DA-101) was carried out from the comparison of design data and actual data in terms of the percentage of NH3 stripping, heat efficiency, and biuret content. The actual data in this study were taken in 5 weeks for 1 month at the end of 2021. From the results of the study, the percentage of NH3 stripping was 76.7329%, 77.1498%, 76.9525%, 76.2190% and 76.10231%. Meanwhile, the heat efficiency is 97.9500%, 93.69%, 95.1200%, 97.1500% and 97.3400%. And the levels of biuret formed are 0.0349 %wt, 0.0671 %wt, 0.0474 %wt, 0.0664 %wt, and 0.0469 %wt. The results of the stripper performance analysis (DA-101) show that the equipment unit is still functioning properly.
Analisis Performa Persentase Stripping dan Efisiensi Panas Stripper (DA-101) pada Unit Sintesa Urea PUSRI-II B Enggal Nurisman; Merlinda Ariesty Putri; Mayang Bidari
Journal of Chemical Process Engineering Vol. 7 No. 2 (2022): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/jcpe.v7i2.794

Abstract

Synthesis Section pada Unit Urea PUSRI II-B merupakan unit utama dalam proses pembuatan pupuk urea yang akan menentukan komponen dan kualitas pupuk urea. Synthesis Section memiliki tiga alat utama yaitu reaktor (DC-101), stripper (DA-101), dan carbamate condenser (EA-101). Stripper (DA-101) berperan dalam proses pemisahan excess amonia dari urea serta mendekomposisikan karbamat yang tidak terkonversi dari larutan sintesa urea. Proses pemisahan pada stripper disebut stripping. Dekomposisi karbamat pada alat stripper dapat mengakibatkan terjadinya reaksi samping dengan hasil berupa biuret berlebih akibat kondisi operasi yang tidak sesuai. Hal ini mengakibatkan perlunya pengontrolan kondisi operasi stripper agar terbentuknya biuret dapat diminimalisir. Pada penelitian ini dilakukan analisa kinerja stripper (DA-101) dari perbandingan data desain dan data aktual yang ditinjau dari persentase NH3 stripping, efisiensi panas, dan kadar biuret. Data aktual pada penelitian ini diambil 5 pekan selama 1 bulan pada akhir tahun 2021. Dari hasil penelitian didapatkan persentase NH3 stripping berturut-turut yaitu, 76,7329%, 77,1498%, 76,9525%, 76,2190% dan 76,10231%. Sementara itu, efisiensi panas berturut-turut yaitu 97,9500%, 93,69%, 95,1200%, 97,1500% dan 97,3400%. Serta kadar biuret yang terbentuk berturut-turut yaitu 0.0349 %wt, 0.0671 %wt, 0.0474 %wt, 0.0664 %wt, dan 0.0469 %wt. Hasil analisa kinerja stripper (DA-101) menunjukan bahwa peralatan ini masih berfungsi dengan baik.
Co-Authors Enggal Nurisman Merlinda Ariesty Putri