Hard water is the type of water that has high mineral content (in contrast with soft water). Hard water minerals primarily ...

RECENTLY, Wells and Illing have suggested 1 that the so-called ‘whitings’ in the Persian Gulf are clouds of calcium carbonate precipitated instantaneously from sea-water that has become supersaturated ...

At the end of the process, the system produces two outputs: calcium-depleted water, suitable for blockage-free cooling cycles ...