This technology relates to methods for the rejuvenation of cupric oxide having adsorbed arsenic from arsenic contaminated water. The cupric oxide may be recycled to react with and adsorb arsenic in arsenic contaminated water. In one process cupric oxide having adsorbed arsenic is rejuvenated by reacting the cupric oxide having adsorbed arsenic with a strong base such as sodium hydroxide to desorb the arsenic from the cupric oxide.
While primarily envisioned for removing arsenic from groundwater and drinking water, this process can also be used to treat any water or water streams that contain undesirable amounts of arsenic. Examples include well waters, surface waters (such as water from lakes, ponds and wetlands), agricultural waters, wastewater from industrial processes and geothermal fluids.
The Method for Removing Arsenic from Water can improve the health of many people by improving the quality of water upon which they rely. This technology also addresses serious environmental issues by removing arsenic from the water supply. This process is simple and rapid and does not require pH adjustments. Additionally, this process is not affected by the presence of most other components found in water and produces no harmful byproducts.
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