Successful revamp of QP MDEA unit hikes capacity

Successive revamps of Qatar Petroleum’s acid-gas-removal unit (AGR) at the Mesaieed NGL plant increased the unit’s treatment capacity without loss in gas purification efficiency and at minimal capital cost. Favorable features of the initial design of the unit also contributed to this successful revamp.QP’s AGR removes H2S and CO2 from natural gases from both the North and Al-Shaheen fields. Two parallel trains comprise the unit and were originally designed with Total’s MDEAmax process, based on the use of an aqueous MDEA solvent. The unit has operated at Qatar Petroleum since 1992.In 1996 a major debottleneck of the unit aimed at increasing its treatment capacity b...

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