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Petroleum Development Oman (PDO) produces 550,000 m3/day of saline process water along with its oil production. This process water is not readily usable as it contains oil and heavy metal contaminants and is being disposed through injection in deep water aquifers through a costly and energy intensive process. In an attempt to reduce production costs, PDO decided to test the use of inexpensive biological treatment systems and biosaline agriculture for developing an environment-friendly solution to water disposal.

 

In collaboration with PDO a series of investigations were conducted to develop guidelines for design and operation of biological treatment systems for oil process water.  Subsequently, a biological treatment system capable of treating polluted process water was designed and implemented.  This system treated oil process water to unsurpassed levels with inflow Oil-In-Water (OIW) averaging over 100 ppm and outflow OIW close to zero ppm.  In the year 2003, a biosaline agriculture pilot project was completed and various forestry species were growing.  The work conducted and results achieved formed the basis for commercialization of the project.  Lead Consult is officially the consultant providing technical support for this effort.