N-Methyldiethanolamine (MDEA) Reclamation at NGL Facilities

The company invites all prospective suppliers and contractors for suppling N-Methyldiethanolamine (MDEA) Reclamation at NGL Facilities, Mesaieed Operations.

1.1 Contractor shall carry out in-situ off-line reclamation and purification for the spent/used MDEA to reduce its HSAS content to below 0.2 wt%, by employing the services of Amine purification service contractor (MPR Services Inc., USA, or equal approved), and to pack the purified MDEA in 200 lit Drums or 1000 lit. capacity IBC tanks as required by the company and shift them to Stores or operation identified storage area for future consumption.

1.2 Contractor shall also carry out on-line reclamation and purification for AGR Train-1 & Train-2 MDEA system solvent inventories (i.e., inventories circulating in the AGR units in operation).

1.3 Similarly, UCARSOL amine solvent inventory in use in AGEU (inventory: Approx. 350m3) has accumulated Bicene to the extent of Approx. 840 ppmWt. This requires reclamation/purification to bring the Bicene content down to Zero ppm.

1.4 Reclamation/purification of spent/used/system amine inventories shall be done to remove the contaminants and degradation products present in them to the agreed levels:
1.4.1 Spent MDEA inventory currently stored in 2 Nos. of 50 m3 capacity temporary storage tanks & 200 lit. drums.
1.4.2 System MDEA inventory currently circulating in AGR Train-1 and Train-2 units (280 m3/Train)
1.4.3 System UCARSOL HS-103 Amine inventory currently circulating in AGEU unit (350 m3)