What are the uses of magnesium hydroxide?

Magnesium hydroxide is a weak alkaline substance, its buffer and activity are relatively strong, and no corrosive, therefore, compared to caustic soda, lime, etc. have more advantages. So, what kind of material is magnesium hydroxide? Where are they used? The following is a detailed analysis of this issue.

　　Magnesium hydroxideIt is a weakly alkaline substance, its buffering and activity are relatively strong, and it is not corrosive, so it has more advantages than caustic soda, lime, etc. So, what kind of material is magnesium hydroxide? Where are they used? The following is a detailed analysis of this issue.

 

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What is magnesium hydroxide?

Magnesium hydroxide is a white crystal, sometimes in powder form. It is a substance that is difficult to dissolve in water and precipitates when put in water. But also insoluble in alcohols, soluble in dilute acid and ammonia salt solution.Magnesium hydroxideThe advantages are more, such as it is non-toxic and harmless, the adsorption capacity is also satisfactory, in addition, it is also a green environmental protection flame retardant. Therefore, it has been widely used and promoted in the field of environmental protection, and with the increase of people's awareness of it, it is more and more widely used.

Uses of Magnesium Hydroxide

1. Neutralizer in wastewater treatment

Faced with more and more acidic wastewater, the traditional alkaline substances can no longer meet the needs of treatment. At this time, the superiority of magnesium hydroxide is revealed, it has an excellent effect on the treatment of acidic wastewater, and the control of acidic wastewater is well mastered. Whether in biological treatment or in emissions, magnesium hydroxide greatly reduces costs. Therefore, in the environmental protection measures is the first choice of the material.

2. Adsorption of heavy metals in the environment

B/cMagnesium hydroxideThe adsorption is very strong, therefore, in the removal of heavy metals in the specific surface area is quite large, the emissions in various industries are more or less the presence of heavy metals, magnesium hydroxide can be adsorbed on it, to achieve the purpose of environmental protection. When dealing with heavy metals in the environment, magnesium hydroxide can be used alone, and at the same time, it can also be used in combination with organic fillers or lime, and satisfactory results can be obtained.

Through the above content can be analyzed,Magnesium hydroxideFor modern life has a very important significance, the cause of human environmental protection has a prominent contribution, in the future development, its use will be more and more big.
 

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As a flame retardant, magnesium hydroxide also need to improve what aspects?

When it comes to flame retardants, everyone is familiar with them. Although we usually have less contact with them, we can know what they are used for from the name. Have to talk about magnesium hydroxide, we all know that its main presentation state is a granular, at present, the market sales of magnesium hydroxide particle size is larger, part of the commodity particle size up to tens of microns, immediately used as a flame retardant, poor dispersion, the physical properties of raw materials greater harm. In industrial production, physical grinding methods are generally used to reduce the particle size to 1 micron. The surface of magnesium hydroxide has high polarity and is easy to agglomerate. As the compatibility of refractory materials and polymer substrates, it not only reduces its flame retardant grade, but also causes more serious harm to the physical properties of raw materials.

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