Calcium oxide
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  • Air ProCalcium oxide

Calcium oxide

Calcium oxide
The main component of quicklime is "calcium oxide" CAO, which is used as a strong alkaline agent to neutralize acid wastewater or heavy metal wastewater, making acid wastewater neutral. Absorb the sulfur dioxide in the boiler flue gas, so that the sulfur content of the flue gas meets the environmental protection standards. It can play a role in promoting coagulation of the colloidal particles in the waste water, and as a particle weighting agent to accelerate the separation of insolubles. It can effectively remove anions such as phosphate, sulfate and fluoride ion. Can destroy the binding of sulfamate and other complexing agents or chelating agents to some metal ions.

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Product Description

Calcium oxide

 

Product Introduction ( Quick Lime)

The main component of quicklime is "calcium oxide" CAO, which is used as a strong alkaline agent to neutralize acid wastewater or heavy metal wastewater, making acid wastewater neutral. Absorb the sulfur dioxide in the boiler flue gas, so that the sulfur content of the flue gas meets the environmental protection standards. It can play a role in promoting coagulation of the colloidal particles in the waste water, and as a particle weighting agent to accelerate the separation of insolubles. It can effectively remove anions such as phosphate, sulfate and fluoride ion. Can destroy the binding of sulfamate and other complexing agents or chelating agents to some metal ions.

Synonym: Calcium Oxide

 

1. Features

(1) This product uses high-quality limestone as raw material and high-quality coal as raw material. It is strictly calcined and processed into fine ash block as raw material. After careful selection, removal of impurities and other processes, the product is ground. The whole process uses microcomputer program control and the product quality is stable, reliable.

(2) A Wide range of application.

(3) Aid to coagulate well.

 

2. Application

(1) Mainly adjust acid waste water pH value, widely used for electroplate, chemical industry, circuit board, pickling, printing & dyeing and paper making industries waste water treatment.can also be used for flue gas desulfurization.

(2) Used to remove phosphate, most of the heavy metal and ammonia nitrogen etc. from wastewater, killing bacteria and viruses and remove ammonia and nitrogen in water.

(3) Used to adjust up water pH value of water supply plant. industrial waste water.

 

3. Quality Specification

Executive Standard QB1002-2011

 

Item

Index

High purity

Refined

Appearance

White or grey white powder

CaO% 

90

80

Mesh

200-400

100-200

Hydrochloric acid insoluble %  

0.7

1.0


4. Recommended brand

Qingyuan

 

5. How to Use

Wet dosing: First, make it up to 5%-10% solution and continuously mechanical stir. Add to waste water after it completely mixed into suspension and turbid liquid until the pH value reaches target value.

Dry dosing: Add product directly to the reaction pool. Control its dosing through pH value. This method is suitable for dealing with strong acidic sewage by adjusting its pH value to rough expected value with the product’s strong alkalinity.


6. Packing, Storage and transportation

Packed with 25 kgs woven bag or paper bag.

Stored in dry,cool and ventilate place, it will keep good for 6 months.


    


7. Our factory of Quick Lime 

 

     


Q1: Are you a manufacture or trader?
A1: We are a manufacturer in China, located in Shenzhen, Guangdong.
Q2: May I have a sample order?
A2: Yes, free sample is welcome to test quality. Please feel free to contact us/leave a message with your contact information. Sample is free, only delivery fee needs to be paid.
Q3: What is your acceptable payment term?
A3: L/C, T/T and etc.
Q4: How about the validity of the offer? 
A4: Usually our offer is valid for 1 week. However, validity might vary between different products. Keep in touch with sales to find out the latest price.
Q5: What documents you provide? 
A5: Usually, we provide Commercial Invoice, Packing List, bill of loading, COA, SGS, MSDS and Origin certificate. Please let us know if you need additional documents.
Q6: What is loading port? 
A6: Usually loading port is Shenzhen port, we also can ship from Shanghai, Qingdao or any main port in China if you need.

Q7What’s the package of the cargoes? 

A7: 50kg/25kg woven bags, within plastic bags, or as customized.

 

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