Applied Investigation of Effluent Wastewater of Desalination Systems: South Pars Gas Company
Journal Title: Universal Journal of Environmental Research and Technology - Year 2013, Vol 3, Issue 5
Abstract
The purpose of this pretreatment process is softening the wastewater as much as possible to prepare the feed stream for salt production units and also the first stage of processes related to zero discharge desalination (ZDD). The basic parameters such as the effectiveness of three commercial mineral coagulants, Aluminum Sulfate, Al2 (SO )34 , Ferric Sulfate, Fe2 (SO4 ) and Ferric Chloride, FeCl3 , individually in removing of the total hardness, the optimized amounts of Sodium Carbonate and Sodium Hydroxide and the optimum mixing rate of the first reactor are investigated in the laboratory. The effluent waste water of the desalination systems of the gas complexes is treated in the proposed treated waste water process to produce potable water and salt at final stages and its superiority of this wark. Main properties of clarified produced water such as total hardness, alkalinity and total dissolved solid, pH, temperature, electrical conductivity; Calcium hardness and Magnesium hardness are evaluated in each run. Comparing the results reveals the optimum values of the basic conditions such as the amount of soda, sodium carbonate, coagulant and mixing rate of first pretreatment reactor to improve the performance of zero discharge desalination process.
Authors and Affiliations
Reza Karimi, Farshad Farahbod
Keywords
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