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Chemical Engineering

Chemical Engineering Undergraduate Honors Theses

2019

Freeze Crystallization

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Recovery Of Water And Salt From Hyper-Saline Mine Water Using Freeze Crystallization, Clara Somerville May 2019

Recovery Of Water And Salt From Hyper-Saline Mine Water Using Freeze Crystallization, Clara Somerville

Chemical Engineering Undergraduate Honors Theses

The Freezerbacks researched, designed, and economically evaluated a full-scale freeze crystallization process as well as two alternative full-scale processes: 5 stage multiple effect evaporation and reverse osmosis. All three processes were designed to treat hyper-saline mine water that was sent into evaporation pond systems. These systems were designed for Freeport-McMoRan’s mines that need to treat impacted water.

The Freeport-McMoRan copper mine in Miami, Arizona was visited in order to gain insight about the problem. The mine is no longer actively mining copper and is in the process of reclaiming land used. An essential part of restoring the land is treating …