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THE INFLUENCES OF NATURAL GAS IMPURITIES TO THE SURFACE TENSION OF BLENDED PIPERAZINE-N-METHYLDIETHANOLAMINE (MDEA) SOLUTION

Ratman, Iwan and Ismail, Ahmad Fauzi (2008) THE INFLUENCES OF NATURAL GAS IMPURITIES TO THE SURFACE TENSION OF BLENDED PIPERAZINE-N-METHYLDIETHANOLAMINE (MDEA) SOLUTION. REAKTOR, 12 (2). pp. 59-67. ISSN 0852-0798

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Abstract

This study focuses on the effect of impurities in the natural gas stream on the characteristic of surface tension in the blended piperazine and MDEA solution. Hydrocarbon liquids, Iron Sulphide, Sodium Chloride, Acetic Acid, Methanol and Polyethylene Glycol were used as the impurities. The results indicated that the type of impurities determined the surface tension changes of the amine solution. The concentration of piperazine-MDEA blends also enhanced to the increasing of surface tension. Iron sulphide, hydrocarbons and sodium chloride as the impurities in the amine solution were the most influential factors to the surface tension. Statistical experimental method was employed to determine the main effect in the increasing of surface tension. Full factorial design and response surface methodology (RSM) coupled with central composite design (CCD) were used to determine the increasing of surface tension in the amine solution. A central composite design was used to determine the main variables such as iron sulphide, hydrocarbon and sodium chloride. The maximum surface tension of 74.33 mNm-1 was determined at the combined impurities concentrations of Iron Sulphide at 6.346 ppm, Hydrocarbon liquids at 11.827 ppm and Sodium Chloride at 8.261 ppm.

THE INFLUENCES OF NATURAL GAS IMPURITIES TO THE SURFACE TENSION OF BLENDED PIPERAZINE-N-METHYLDIETHANOLAMINE (MDEA) SOLUTION Rating: 4.5 Diposkan Oleh: andre tupang

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