kenya chemical is one of the leading Activated alumina manufacturers, exporters, and suppliers in Fujairah, Dubai, Sharjah, Abu Dhabi, Doha, Kuwait, kenya. We are supplied to various industrial markets including Household, Institutional Cleaning, Personal Care, and Industrial sectors including Oil fields, chemical, Animal feed additive, Food additive, Agrochemical, Fertilizer, pharmaceuticals, water treatment, Minerals, Lubricants, Marine Industry, Metal Working chemical industry, and Coatings markets.
Activated alumina is manufactured from aluminium hydroxide by dehydroxylating it in a way that produces a highly porous material; this material can have a surface area significantly over 200 m²/g. The compound is used as a desiccant (to keep things dry by absorbing water from the air) and as a filter of fluoride, arsenic and selenium in drinking water. It is made of aluminium oxide (alumina; Al2O3). It has a very high surface-area-to-weight ratio, due to the many “tunnel like” pores that it has. Activated alumina in its phase composition can be represented only by metastable forms (gamma-Al2O3 etc.). Corundum (alpha-Al2O3), the only stable form of aluminum oxide, does not have such a chemically active surface and is not used as a sorbent.
Activated Alumina are a family of aluminum oxides (Al2O3) used as a desiccant, or drying agent, for industrial liquids and gases such as air, nitrogen, oxygen, carbon dioxide and hydrocarbons.
Activated alumina is used for a wide range of adsorbent and catalyst applications including the adsorption of catalysts in polyethylene production, in hydrogen peroxide production, as a selective adsorbent for many chemicals including arsenic, fluoride and in sulfur removal from gas streams (Claus Catalyst process). Finally Activated Alumina are also used as filters for fluoride, arsenic and selenium in drinking water.
Activated alumina are both high surface area beads and crushed products that are “activated” by a proprietary process to achieve specific surface chemistry and reactivity. Commonly used as adsorbents, desiccants and catalysts, the chemistry, size and structure of these alumina are tailored to specific applications Additives are also commonly used with activated alumina to achieve even greater performance in certain applications e.g. removal of sulphur and chloride in refinery applications.
Application
1. Desiccant/Dehydration.
2. Hydrogen peroxide manufacturing.
3. Polyethylene production.
4. Defluorination of alkylation product streams.
5. Water treatment (fluoride and arsenic removal).
6. Aqueous treatment (removal of hydrogen sulphide, carbonyl chloride and hydrogen chloride).
7. Off-gas treatment (carbon dioxide, hydrogen chloride and hydrogen sulphide removal).
8. Removal of alcohol and ether from liquid streams.
Vacuum systems
In high vacuum applications, activated alumina is used as a charge material in fore-line traps to prevent oil generated by rotary vane pumps from back streaming into the system. A baffle of activated alumina can also replace the refrigerated trap often required for diffusion pumps, though this is rarely used.
Biomaterial
Its mechanical properties and non-reactivity in the biological environment allow it to be a suitable material used to cover surfaces in friction in body prostheses (e.g. hip or shoulder prostheses).
Defluoridation
Defluoridation is the downward adjustment of the level of fluoride in drinking water. Activated Alumina process is one of the widely used adsorption methods for the defluoridation of drinking water.
Catalyst applications
Activated alumina is used for a wide range of adsorbent and catalyst applications including the adsorption of catalysts in polyethylene production, in hydrogen peroxide production, as a selective adsorbent for many chemicals including arsenic, fluoride, in sulfur removal from fluid streams (Claus Catalyst process).
Desiccant
Used as a desiccant, it works by a process called adsorption. The water in the air actually sticks to the alumina itself in between the tiny passages as the air passes through them. The water molecules become trapped so that the air is dried out as it passes through the filter. This process is reversible. If the alumina desiccant is heated to ~200 °C, it will release the trapped water. This process is called regenerating the desiccant.
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Salalah Free Zone is located in a strategic location in Salalah with access to Europe, Asia, Africa and Australia. Besides access to world’s fastest growing markets, the zone also offers a whole host of other business advantages.
Special Economic Zone is to be created in Port of Sohar. The zone will encompass a serious centre of manufacturing with low investment and highest possible added value.
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