I am working on water desalination via adsorption-based-filtration. Now, I am to prepare particle free brackish water for testing/desalination. Which salts should I use.
Here's a good example from the work "Brackish water desalination by electrodialysis: batch recirculation operation modeling" by Oritz et al. (2005), Journal of membrane Science 252 (1-2), 65-75 :
>> All the experiments were carried out at room temperature using 34.22 mM of NaCl (2000 ppm) as concentrate and diluate solutions (similar to the concentrations of brackish water of the zone) and 0.05 M Na2SO4 as electrolyte. The reagents used in the preparation of the solutions were NaCl Thick Salt Synthesis Grade (SCHARLAU) and Na2SO4 of purity not lower than 99% (FLUKA). Cl− analysis was made by potentiometric titration using an automatic titrator 702 SM Titrino (METROHM). The Na+ concentration in the samples was measured by AAS using a SpectrAA 220 FS (VARIAN).
Dear Muhammad Muqeet , you can try this link below:
https://prod.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs144p2_066452.pdf
Thank you very much
@ Asya Drenkova-Tuhtan: Does the solubility of NaCl effect on the concentration of ions. e.g. How would I come to know weather NaCl completely dissolve in Deionized water or not?
Dear Muhammad Muqeet,
If your tap water is treated with chlorine, you will need to condition it before adding the salt. If you are using distilled water then mix in the proper amount of marine salt for preparing brackish water, per the manufacturer's directions.
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