![]() ![]() The method of claim 1, wherein the ion exchange water softener has less than 1.0 ppm hardness leakage after regenerating the resin in the ion exchange water softener.ġ0. The method of claim 1, wherein the resin is a gel polystyrene resin crosslinked with divinylbenzene having sulphonic acid functional groups.ĩ. The method of claim 1, wherein the resin is a macroporous polystyrene resin crosslinked with divinylbenzene having sulphonic acid functional groups.Ĩ. The method of claim 1 wherein the resin is a shallow shell resin.ħ. The method of claim 1, wherein the system containing the OTSG and the ion exchange water softener does not contain a lime softener.Ħ. The method of claim 3, wherein the temperature of the blowdown stream is reduced to less than 95 ° C.ĥ. The method of claim 1, further comprising reducing the temperature of the blowdown stream using a heat exchanger prior to regenerating the resin.Ĥ. The method of claim 1, wherein the ion exchange water softener is a sodium cycle water softener.ģ. A method of regenerating resin in an ion exchange water softener in a system containing a Once-Through Steam Generator (OTSG) and an ion exchange water softener comprising: recovering water concentrated as a blowdown stream from the OTSG, and regenerating the resin in the ion exchange water softener by flowing the blowdown stream through the ion exchange water softener wherein the blowdown stream has a brine concentration of from 1 to 2.5% and a calcium hardness of less than about 1 ppm and wherein the resin comprises a strong acid cation resin.Ģ. ![]() Method for recovering and treating brine from water softener regenerationġ. Process for desalinating water while producing power System and method for utilizing regenerated waste from water softeners used for steam flood operations Water treatment process for thermal heavy oil recovery Method for utilizing regenerated waste from water softeners used for steam flood operations METHOD AND APPARATUS FOR TREATING WATER TO REDUCE BOILER SCALE FORMATION Method for regeneration of a water softener Method for converting heavy oil residuum to a useful fuel Water treatment method for heavy oil production Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation ![]()
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