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Sustainability considerations in modeling and improvement of acid gas removal unit in gas processing plant / Noor Zulia Bahaudin

By:

Noor Zulia Bahaudin

Material type: Text

TextPublication details: Kuantan, Pahang : UMP, 2012Description: xi, 50 p. : ill. ; 30 cm. + 1 CD-ROMISBN:

THE0004849(Local)

Subject(s):

Dissertation note: Project paper (Bachelor of Chemical Engineering (Gas Technology)) -- Universiti Malaysia Pahang - 2012 Abstract: Natural gas from wells contains significant amount of Hydrogen Sulfide and Carbon Dioxide which known as acid gas. Acid gas should be removed as the sulfur compound in hydrogen sulfide is extremely harmful and corrosive. The main process in Acid Gas Removal Unit (AGRU) is absorption, where the selection of the solvent is based on its capability to absorb or removing acid gas. Benfield Process is a chemical absorbing process by using Benfield solvent that consist of 30% Potassium Carbonate (K2CO3), water, DEA as activator and corrosion inhibitor. Solvent foaming is a contributor factor to the problem in the Benfield process due to degradation of DEA. The degradation will reduce the tendency of solvent absorption and also reduce the efficiency of absorption column. This research is carried out to simplify the AGRU process by reducing the number of equipment. A new simplified process has successfully constructed by replacing flash drum with a cooler to liquefied the solvent. Simulation using Aspen Hysys is then performed to study the modified process by using Peng-Robinson as property package. From the simulation on simplified PFD , the capital cost of the process is reduced due to the reduction of equipment used in the process. Moreover, the objective of this research is to increase the efficiency of absorption process using Piperazine to replace DEA as activator in the Benfield solvent. As the conclusion, modified PFD with Piperazine in Benfield Solvent found can reduce the energy consumption, capital cost and give high efficiency absorption process.

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Holdings ( 2 )
Title notes ( 3 )

Holdings
Item type	Current library	Call number	Copy number	Status	Date due	Barcode
Final Year Report	UMPLIB GAMBANG	TP754 .Z85 2012 rs Bc. (Browse shelf(Opens below))	1	Not for loan		0000068049
Final Year Report	UMPLIB GAMBANG	CD 6363 \| TP754 .Z85 2012 rs Bc. (Browse shelf(Opens below))	1	Not for loan		0000068050

Project paper (Bachelor of Chemical Engineering (Gas Technology)) -- Universiti Malaysia Pahang - 2012

Bibliography : p. 49-50

Natural gas from wells contains significant amount of Hydrogen Sulfide and Carbon Dioxide which known as acid gas. Acid gas should be removed as the sulfur compound in hydrogen sulfide is extremely harmful and corrosive. The main process in Acid Gas Removal Unit (AGRU) is absorption, where the selection of the solvent is based on its capability to absorb or removing acid gas. Benfield Process is a chemical absorbing process by using Benfield solvent that consist of 30% Potassium Carbonate (K2CO3), water, DEA as activator and corrosion inhibitor. Solvent foaming is a contributor factor to the problem in the Benfield process due to degradation of DEA. The degradation will reduce the tendency of solvent absorption and also reduce the efficiency of absorption column. This research is carried out to simplify the AGRU process by reducing the number of equipment. A new simplified process has successfully constructed by replacing flash drum with a cooler to liquefied the solvent. Simulation using Aspen Hysys is then performed to study the modified process by using Peng-Robinson as property package. From the simulation on simplified PFD , the capital cost of the process is reduced due to the reduction of equipment used in the process. Moreover, the objective of this research is to increase the efficiency of absorption process using Piperazine to replace DEA as activator in the Benfield solvent. As the conclusion, modified PFD with Piperazine in Benfield Solvent found can reduce the energy consumption, capital cost and give high efficiency absorption process.