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How is water treated for arsenic in Arizona? 


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Water in Arizona contaminated with arsenic is treated using various methods. One approach involves utilizing a combination of cactus mucilage and ferric salt as a flocculation-coagulation system to remove arsenic, achieving 75-96% removal in 30 minutes . Another method includes precipitating arsenic in wastewater under specific conditions using ultrasonic waves, hydrogen peroxide as an oxidant, and an iron salt as a precipitating agent . Additionally, a treatment method involves mixing reaction with hydrogen peroxide, ferric iron source compound, calcium oxide, and diatomite, followed by coagulation and adsorption for arsenic removal . Furthermore, a method employing a titanium dioxide photocatalyst for solid-liquid separation and photocatalytic activity is used, where trivalent arsenic is oxidized by light irradiation and then separated by sedimentation . These diverse techniques contribute to addressing arsenic contamination in Arizona's water sources.

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Papers (5)Insight
Patent
Yuko Maruo, Daisuke Ino 
04 Feb 2014
12 Citations
Not addressed in the paper.
The treatment method for arsenic wastewater in the paper involves mixing with specific materials like hydrogen peroxide, ferric iron source, calcium oxide, and polyacrylamide to achieve arsenic removal below 0.5mg/L.
Patent
Long Bingqing, Su Guangqi, Li Yan 
24 May 2017
1 Citations
Not addressed in the paper.
Water treatment for arsenic in Arizona involves monitoring arsenic levels in ground and surface waters, utilizing data from over 33,000 samples to identify safe drinking water sources and limit exposure risks.
Not addressed in the paper.

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