Industrial Grade Hydrated Lime 90-95% for Propylene Oxide Production

Product Description

Product Info 

color	white
raw material	limestone
apperance	powder
purity	>90%
application	waste water treatment, desulphurization, mining flotation,Propylene Oxide Production
package	25kg/1000kg Plastic Lined Top-Grade PP woven Bag
grade	industrial
loading capacity	16-18tons/20' container, 25-28 tons/40'HQ

 Product Description

Calcium hydroxide
 

Hydrated lime is a type of dry powder made from limestone. It is created by adding water to quicklime in order to turn oxides into hydroxides. Combined with water and sand or cement, hydrated lime is most often used to make mortars and plasters. Its chemical name is calcium hydroxide, or Ca(OH)₂.

When making hydrated lime, a manufacturer must first make quicklime. Quicklime is made directly from the calcination in raw limestone by the process of calcining and consists of calcium oxide and magnesium oxide. In this process, limestone is first broken up to reduce its size. Then it is washed and taken to kilns to be heated through a three step process: preheating, calcining, and cooling. Once cooled, the quicklime is crushed and then water is added.
 

Hydrated limes are classified by the amount of water they retain and their maximum air content. S types retain 85 percent water, N types 75 percent. NA and SA types are classified as having a maximum air content of 14 percent, and N and S types have seven percent air content.

Also called slaked lime, hydrated lime is a good bonding agent and is watertight. It is also strongly alkaline, having a pH of 12.4. For this reason, it can be used to neutralize acid, in water and sewage treatment, and to stabilize soil. This also means it will cause skin and eye irritation if it comes in contact with the body, and inhalation of dust may cause health problems. Gloves, eye protection, and masks should be worn at all times when working with these substances.

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