alkali waste water的意思|示意

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Alkali waste water, also known as alkaline wastewater, is wastewater that has a high pH level due to alkaline substances being added during the industrial manufacturing process. Alkali waste water is generally created when alkaline chemicals such as sodium hydroxide and potassium hydroxide are used in industrial processes, such as manufacturing detergents and soaps, or when acids are neutralized in a manufacturing process.

When these alkali chemicals are used, they can produce large amounts of waste water with a pH over 7. Alkali waste water can also contain other pollutants such as heavy metals, suspended solids, and organic compounds. Because of these pollutants, it is important to properly treat alkali waste water before releasing it into the environment.

Alkali waste water is typically treated with a process called precipitation. In this process, additives such as ferric chloride, aluminum sulfate, calcium oxide, and calcium hydroxide are added to the wastewater to bind with the pollutants and cause them to solidify. Once the pollutants are solidified, they can be separated from the wastewater through sedimentation or filtration. After the pollutants are separated, the treated wastewater can be safely released into the environment.

Alkali waste water can also be treated using biological methods, such as activated sludge. In this process, the wastewater is treated with special microorganisms that break down the pollutants and convert them into harmless byproducts. After the wastewater is treated with the microorganisms, it can be safely released into the environment.

Alkali waste water is a common pollutant in industrial sites, and it is important to properly treat it to prevent environmental contamination. By treating this wastewater before it is released, it can be safely disposed of without harming the environment.