What is the role of activated aluminum hydroxide?
Activated aluminum hydroxide has good adsorption properties, good surface activity, and excellent thermal stability, so it is now widely used as a catalyst and catalyst carrier for chemical reactions:
activityaluminum hydroxideIt has good adsorption properties, good surface activity, and excellent thermal stability, so it is now widely used as a catalyst and catalyst carrier for chemical reactions:
The role of active aluminum hydroxide mainly includes: it belongs to the category of chemical alumina, mainly used for adsorbent, water purification agent, catalyst and catalyst carrier. Activated alumina has selective adsorption ability for gas, water vapor and some liquid moisture. After adsorption saturation can be heated at about 175~315 ℃ to remove water and resurrection. Adsorption and resurrection can be performed multiple times. In addition to being used as a desiccant, it can also adsorb the vapor of lubricating oil from contaminated oxygen, hydrogen, carbon dioxide, natural gas, etc.
And can be used as catalyst and catalyst carrier and chromatographic analysis carrier. It can be used as defluorination agent for high fluorine drinking water (with large defluorination capacity), defluorination agent for circulating alkanes in alkylbenzene production, deacidification and regeneration agent for transformer oil, gas drying in oxygen making industry, textile industry and electronic industry, automatic instrument air drying, desiccant and purifier (dew point can reach -40 ℃) in chemical fertilizer, petrochemical drying and other industries, and pressure swing adsorption dew point can reach -55 ℃ in air separation industry. It is a highly efficient desiccant for deep drying of trace water. It is very suitable for non-thermal regeneration devices.
In order to achieve these effects of active aluminum hydroxide, the requirements of its various parameters in production need to meet the requirements, so as to make it work better, otherwise the product may not achieve the expected effect.
Real-time information
Zhongke Flame Retardant Organization Watches 20 Closing Ceremonies
On the morning of October 22, 2022, members of Zhongke Flame Retardant New Materials Co., Ltd. watched the closing ceremony of the 20th Congress under the leadership of General Manager Wang Ligui.
Everyone knows that there are two common flame retardants. Today we are going to talk about only one of them. Aluminum hydroxide flame retardant is an environmentally friendly halogen-free flame retardant, which can be widely used in fabrics, wood, plastics, and rubber., Polyurethane and other industries have ideal flame retardant effect. In the process of industrial application, it is found that flame retardant failure occurs when aluminum hydroxide flame retardant is added. The following are the reasons for the failure of aluminum hydroxide flame retardant, how to prevent it, how to deal with the operation, and restore the original function.
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.
Hefei Zhongke Flame Retardant New Material Co., Ltd
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