CAS No: 7722-64-7
Potassium permanganate is an inorganic chemical compound that plays a major role in the water treatment industry. It can also be used to clean wounds and treat dermatitis. In fact, potassium permanganate is listed as an essential medication needed in a basic health system. With its strong oxidizing properties, potassium permanganate is effective at treating drinking water, wastewater and other industrial process chemicals.
Properties of Potassium Permanganate:
When potassium permanganate is added to water, it dissolves and turns into a pink or purple solution. The evaporation then turns the solution into darker colored crystals. The crystals or granules have a metallic sheen and are usually dark purple or dark bronze. Despite the noticeable color, the granules are odorless and have a sweet, astringent taste.
Potassium permanganate is stable and can stored in a cool, dry area. Keep containers closed. Though potassium permanganate is not combustible, it will support it. It’s important to keep containers away from acids, peroxides and all combustible organic materials.
Uses of Potassium Permanganate:
Just about all uses of potassium permanganate take advantage of its oxidizing properties. Because it doesn’t generate toxic byproducts in the process, there are many everyday uses for potassium permanganate.
The most common uses for the chemical compound are:
Oxidation and synthesis
Municipal wastewater treatment
Industrial wastewater treatment
Metal surface treatment
Purification of gases
Mining and metallurgical
Potassium Permanganate for Water Treatment:
Potassium permanganate has an important role in the water treatment industry. Its purpose is to remove iron and hydrogen sulfide - the rotten egg smell - from well water. It also oxidizes manganese and controls taste and odor.
In terms of wastewater treatment, potassium permanganate oxidizes hydrogen sulfide, phenols, iron, manganese and many other inorganic and organic compounds. It improves sludge dewatering as well. Potassium permanganate is also effective at controlling nuisance organisms in freshwater and treatment systems.
Potassium permanganate works well with many metals and synthetic materials. Some metals, such as aluminum, zinc, copper, lead and alloys, may be slightly affected. Natural rubbers and fibers, however, are usually not compatible. It’s also important to pay attention to solution pH and temperature, as the material must be compatible with the acid or alkali being used.
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