What is hydrated lime?
Hydrated lime is an inorganic chemical compound formed by mixing quicklime and water. This mixture is more commonly known as calcium hydroxide. This substance is in the form of colorless crystals or white powder.
CaO H 2 O → Ca (OH) 2
Hydrated lime has many names, including quicklime, masonry lime, dry lime, slaked lime, and pickled lime.
Applications of hydrated lime
Hydrated lime powder has many uses. Examples of its applications in various industries are as follows:
Paper industry: as an intermediate material for the production of sodium hydroxide
Water and wastewater treatment industry: coagulant in water and wastewater to remove smaller particles, rain water pH so that pipes do not corrode where the water is acidic.
Food industry: pickled lime
Construction materials industry: mortar, whitewash, plaster
Chemical industry: making calcium stearate
Steel industry: It is injected into the waste gas stream to neutralize acids (fluorides and chlorides).
Environmental: flue gas treatment, sewage treatment, sludge treatment
Civil engineering: soil stabilization to improve the quality of overly plastic underlying soils
Mining: As a pH regulator in gold mining
Safety tips
According to data available with chemical industry experts, hydrated lime is considered a safe chemical to use because it is non-toxic. Due to this feature, it has many uses. However, long-term exposure to slaked lime can have certain health effects.
According to the hydrated lime MSDS, this chemical can have serious effects on the user's respiratory system. If the user does not take adequate precautions when using this chemical, it can cause skin irritation and even more serious problems such as eye damage.
To avoid these unwanted effects, the user should purchase hydrated lime from a trusted supplier and ensure proper disposal after use.
Company | جویا شیمی |
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