Desain Sistem Sour water Stripper dengan Satu Kolom Distilasi dan Injeksi Larutan Basa untuk Optimasi Penggunaan Lahan serta Biaya Operasional
DOI:
https://doi.org/10.25170/jpk.v2i2.6217Keywords:
Sour Water, Sour water Stripper, Amonia, H2S, DistillationAbstract
Sour water Stripper (SWS) is system designed to handle sour water waste from refinery facilities. The different sour waste streams are collected for centralized processing where commonly two column in series are used to strip out the impurites (H2S and NH3). However, in some facilities where the land is limited, two column design may not be feasible so that a single column design is considered. Limitation of a single column design to provide two different condtion for optimum for removal of H2S and NH3 is then catered with the help of strong base chemical injection at an optimum rate. The study results shows that for 5,1 ton/hour sour water with 900 ppm Amonia and 90 ppm H2S content can be treated with a single column configuration assited by chemical injection of 40%wt NaOH with 4 kg/hr injection rate. Single column design wtih additonal strong base chemical injection is able to reduce 50% of land usage and optimum dosing allows reduction of chemical operational cost up to 80%.
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