Israel Chemicals (ICL) has reported that the company’s ICL Fertilizers division has finalized its proposals to construct a 250 MW combined cycle cogeneration power facility in Sdom.
The new facility, which is designed to use natural gas as fuel, will substitute the existing plant that utilizes diesel generators run by heavy fuel oil. The output of the new plant will be substantially more than that of the existing facility. The new plant is intended to meet the energy demands of Sdom for the next two decades, while also lowering the company’s environmental footprint and energy expenses.
The new state-of-the-art plant will use a Siemens gas turbine that can also be run by light fuel oil if required and a steam turbine that can produce steam at a rate of 330 t/h. With an investment of $320 million, the project is slated for commencement in the third quarter of 2012 and completion in the second half of 2015. A major international company in the eco-friendly power generation will execute the project under an EPC lump sum contract. Siemens will maintain the gas turbine under a long-term service contract.
The utilization of natural gas and a combined cycle co-generation setup will contribute a favorable eco profile to the power plant. The combined cycle co-generation design of the new plant will result in more than 85% efficiency when compared to the 50% efficiency of traditional combined cycle power plants.
As shown in the diagram, a standard combined cycle power plant uses roughly 50% of the potential of the input fuel to produce electricity, i.e., 36% in the gas turbine and 14% in the steam turbine. The remaining steam is condensed to water and reverted to the boiler. On the other hand, the remaining steam is used for other industrial processes in the cogeneration process, resulting in the utilization of a further 35% of the energy.
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