Effect of Thermal Discharge of Cool Water Outfall from Liquefied Natural Gas (LNG) Plant into Sea Using CORMIX

Shivangi Nigam, B. Padma S. Rao, A. Srivastava

National Environmental Engineering Research Institute (NEERI), Mumbai Zonal Lab, Mumbai, India.
National Environmental Engineering Research Institute (NEERI), Nagpur, India.

DOI: 10.4236/jcc.2013.14001                

Abstract

The numerical modeling for the cool water outfall discharge from the LNG Plant is undertaken using CORMIX to evaluate the design of diffuser for discharge. The hydrodynamic data tide and currents are used inputs to the model. It is then calibrated using monitored data. The software has been run to calculate the mixing zone and dilution patterns for various flow conditions. Model result shows that ambient condition is achieved within 64 m from the proposed outfall locations. From the results of the modeling studies it can be concluded that the proposed diffuser design and outfall locations are suitable for all tide conditions. It also shows that there is no significant impact on the marine life due to the proposed cool water discharge, beyond the small area around the discharge location, as the parameters are attaining near ambient water quality within the acceptable space and time.

Keywords

CORMIX; Mixing Zone; Outfall; LNG Plant; Hydrodynamic Model

Conflicts of Interest

The authors declare no conflicts of interest.

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