Hi Aing:Limestone allows ...
Published by Nikolay Voutchkov, Water Globe Consulting, LLC - President
Hi Aing: Limestone allows achieving the same alkalinity and hardness goals at lower costs and with lower finished water turbidity. However, high quality limestone is not always readily available near the location of a given desalination project, which limits its use. Please see the article in the Documents library wit this address: https://water.tallyfox.com/documents/fundamental-chemistry-and-engineering-aspects-post-treatment-processes-desalinated-water