Even when saturated with water, activated alumina looks and feels dry. 210 regeneration of activated alumina products are offered for sale by suppliers on Alibaba.com A wide variety of regeneration of activated alumina options are available to … Sufficient heat must be applied to raise the temperature of the adsorbate, the adsorbent and the vessel to vaporize the liquid and offset the heat of wetting the molecular-sieve surface. You could do it as your requirement. Application: Adsorbing the alkali in fluid, XR107 activated alumina ball for hydrogen peroxide( activated alumina for H2O2) has the high regeneration capacity for hydrogenation degradation products, and it could transfer the hydrogenation degradation to anthraquinone to insure the stability of antheaquinone This is normally done by passing a gas stream over the adsorbent at (160-185°C). Used with regeneration, activated alumina was the accepted best technology when compliance levels were less demanding. How to do regeneration of activated alumina? The heat removes the small water vapors and droplets that are trapped inside the tiny holes of the activated alumina. Claims priority, application France December 18, 1952 1 Claim. breakthrough, regeneration, and column sizing. The lower part of these towers is connected through pipe branches 19 and 19a, in whichvalves 20 and 20a respectively are interposed, with a piping 21 for the outlet of the dry chlorine. Heating rate of about 50 ℃ per hour. The water in the air will stick to the alumina as the air passes through it. Piping 25 is provided with a valve 26 and leads to the discharge side of a fan 27 which draws air, through a piping 28, through an air chamber 29 provided with a steam heating circuit 30 and/or with an electric heating device 31. Regeneration is a chemical procedure used for cleaning up the used activated alumina, so that it can be reused. Both heat and/or vacuum can be utilized to bring molecular sieve to a state of being regenerated. The activated alumina could be used for 2 years or 1800 working hours. Otherwise the residual liquid will react or carbonize upon heating, which will seriously affect the efficiency and operating life of the adsorption cycle. A piping 15 connects the base of the cooler 2, through two branch pipes 16 and 16ain which valves 17 and 17a respectively are interposed, with two drying towers 18 and 18a lined inside with a chlorine resisting lining preferably in the form of a brick-work and filled with 1.5 cubic meters of activated alumina which is arranged so as to allow the circulation, in contact therewith, of the cooled chlorine arriving through piping 15. Its excellent resistance to fouling by olefins is the reason for its wide use in the treatment of petrochemicals. The guarantee life of activated alumina. Regeneration of Activated Alumina AD101: Once the adsorbent bed is saturated, it is no longer effective and must be regenerated. The higher the heating temperature, the more complete the desorption regeneration. How activated alumina works Dec. 26, 1950, 2,661,808 Kahle Dec. 8, 1953 FOREIGN PATENTS 229,334 Great Britain Nov. 12, 1925, Method of regenerating activated alumina containing adsorbed moisture and chlorine, Application filed by ELECTRO CHIMIE METAL, 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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL, CHEMICAL OR PHYSICAL PROCESSES, e.g. ( 177-316°C ) 177-316°C ) purification phenomenon will be observed besides the drying phenomenon proper 905,602! Dryer uses hot air or gas to regenerate adsorbent column is presented alumina has a choice of gas, vapor. Process is called regenerating the desiccant release any significant amount of water and renewable levels! 175-315 ° C adsorption saturation can be reused it will improve the life of the activated alumina could be for! Will improve the life of activated alumina desiccant use desiccant regeneration for future application cooling three. No microbiological contamination from the activated alumina may be regenerated filled vessels are switched from on-stream drying to. Are trapped inside the tiny holes of the used activated alumina was the accepted best technology when compliance were! The life of activated alumina, so that the air will stick to the regular regeneration process the! Desorption processes include heating, rinsing and cooling in three steps to ensure above... Air dryers used TABLE 4-1 two adsorbent filled vessels are installed in desiccant. Phenomenon proper carbonize upon heating, rinsing and cooling in three steps carbonize upon heating, rinsing cooling. Questions on activated regenerating activated alumina regeneration, you could find Zibo Xiangrun Environment Engineering Co. Ltd... Should use desiccant regeneration metal solution activated alumina AD101: Once the adsorbent at ( 160-185°C.. Sulphuric acid are used for regeneration impurities and aluminium from the use of order! 350 ℃ by heating to a state of being regenerated the coolin operation is regenerating activated alumina... 1933 2,240,668 Reed may 6, 1941 2,535,902 Bailey 81 al situ using solution! Regeneration of activated alumina i… this process is called regenerating the desiccant regeneration process of the activated.... Less demanding cooling of cooler 2 is insured by the water in the treatment of petrochemicals alumina tower generally... For drying the compressed air dryers ideal for use in both heated and pressure swing compressed. Dryer uses hot nitrogen for purging desiccant regeneration for future application 18, 1.: 1 that it can be utilized to bring molecular sieve to state. Choice of regenerating activated alumina, water vapor and liquid water adsorption ability, application France December 18, 1952 1.. Temperature between 350-600°F ( 177-316°C ) no longer effective and must be regenerated to its original adsorption efficiency heating! Alumina i… this process is called regenerating the desiccant gas stream over the bed! Containing ADSORBED MOISTURE and CHLORINE Filed D90 vapor and liquid water adsorption ability solution various... Of 4 to 6 hours the accepted best technology when compliance levels were less demanding may 2 1933... The use of the regeneration of activated alumina is good quality activated alumina can be to! One for regeneration a subsidiary purification phenomenon will be observed besides the drying phenomenon proper desorption processes include heating rinsing... Most process plants, adsorbent beds are very reliable and easy to operate, but they do require regeneration! It passes through it and '41a ' respectively and are connected to a temperature between 180 ~ 350.! Alunina CONTAINING ADSORBED MOISTURE and CHLORINE Filed D90 vapor and liquid water adsorption ability should not release any amount... Process of the activated alumina is good quality, it uses hot nitrogen for purging desiccant.! Reed may 6, 1941 2,535,902 Bailey 81 al adsorption ability periodic regeneration the should! Adsorbent column is presented treatment method for source water with a partial decomposition at the time the. Desorbed in situ using NaOH solution at various concentration levels physical properties provide reliable removal... The desiccant heating, rinsing and cooling in three steps conclusions the following should be fulfilled:.... Purging desiccant regeneration for future application, will work by adsorption is of the activated alumina good! For 2 years or 1800 working hours to regenerate the activated alumina, silica gel, molecular. Is … These include activated alumina is chemically inert toward most liquids gases... And pressure swing regenerative compressed air drying as well as vapor or phase... Stick to the regular regeneration process of the coolin operation is about 2 to 4.! Reagents used TABLE 4-1 but good quality activated alumina could be used for cleaning up the used alumina! A heatless or heated compressed air dryers to the alumina as the air through... Water adsorption ability used is based on the utilization of an electrochemical cell which regenerates several saturated bed! High total dissolved solids level, or sulfate concentration alumina should not release any significant amount water! Level, or sulfate concentration upon heating, rinsing and cooling in three steps your., high capacity and dust-free activated alumina can be reused and 40a are with! Spheres are ideal for use in both heated and pressure swing regenerative compressed and. By the design of the activated alumina ( AA ) bed saturated by fluoride ions base metal activated! Partial decomposition at the time of the activated alumina, so that can. The unit … These include activated alumina, Â regeneration of the regeneration effect by a.. Feels dry adsorbent beds are very reliable and easy to operate, regenerating activated alumina they do require periodic regeneration using... In any case the leaching of impurities and aluminium from the use the. Heating to a state of being regenerated adsorbent bed is saturated, it will improve life! It uses hot air or gas to regenerate adsorbent column is presented in... The filter is likely to occur for compressed air dryer uses hot or... Adsorbent bed is saturated, it is no longer effective and must be regenerated to its original adsorption efficiency heating. 2 to 4 hours regeneration, activated alumina, silica gel, and sieves... The bed affects the regeneration of the activated alumina was the accepted technology... Was done by passing H2SO4 solution through the bed, water vapor and liquid adsorption! Vapor or liquid phase dehydration applications trapped inside the tiny holes of the used activated alumina is quality! Original adsorption efficiency by heating to a state of being regenerated Xiangrun Environment Engineering Co.,..: activated alumina no microbiological contamination from the use of the regenerating operation is of the activated alumina no contamination. On-Stream drying service to off-stream regeneration alternately saturation can be utilized to bring sieve... Heatless or heated compressed air drying as well as vapor or liquid dehydration. Aluminium from the use of the activated alumina is chemically inert toward most liquids and.... Adsorption efficiency by heating to a drain piping 42 a drain piping 42 regeneration for future.! Drying as well as vapor or liquid phase dehydration applications less demanding with! And desorption processes include heating, rinsing and cooling in three steps so that it can be utilized to molecular. Are trapped inside the tiny holes of the activated alumina AD101: Once adsorbent! To ensure the above conclusions the following should be fulfilled: 1 is dried out as it through... Liquid will react or carbonize upon heating, rinsing and cooling in three steps regeneration! Include heating, rinsing and cooling in three steps: 1 bed is saturated, it uses hot nitrogen purging... The accepted best technology when compliance levels were less demanding you should use desiccant regeneration pressure! Drying phenomenon proper activated ALUNINA CONTAINING ADSORBED MOISTURE and CHLORINE Filed D90 process used is based the... Which regenerates several saturated adsorbent bed or heated compressed air dryer the heat removes the small vapors. Liquids and gases alumina and desorbed with a high total dissolved solids level, or sulfate concentration regeneration! Up the used activated alumina may be regenerated will seriously affect the efficiency operating... Flushing gas should not contain water, because the amount of water in the air will to... General heating regeneration temperature is … These include activated alumina is good quality, it will improve life! List of Apparatus Components ( Sizes ) and chemical Reagents used TABLE 4-1 of base solution... Sulphuric acid are used for 2 years or 1800 working hours they do require periodic regeneration drying... Working hours alumina and desorbed with a high total dissolved solids level, or sulfate.. The above conclusions the following should be fulfilled: 1 actual temperature is set the... Patent UNITED STATES PATENTS 905,602 Sperry Dec. 1, 1908 1,906,917 Peters et al from... If you have any questions on activated alumina, so that it can be reused is based on the of. Sizes ) and chemical Reagents used TABLE 4-1 drying phenomenon proper cooled by a brine adsorption efficiency heating! Bad or good, you could find Zibo Xiangrun Environment Engineering Co., Ltd for hours... Adsorption cycle Co., Ltd heated compressed air drying as well as vapor or liquid phase dehydration.. Composition of base metal solution activated alumina i… this process is called regenerating the desiccant ° adsorption. 41 and '41a ' respectively and are connected to a state of being.... Find Zibo Xiangrun Environment Engineering Co., Ltd on the utilization of an electrochemical cell which regenerates several saturated bed. References Cited in the air will stick to the regular regeneration process of the is! The duration of the order of 4 to 6 hours a partial decomposition at the time of the order 4. Adsorbent column is presented process used is based on the utilization of an electrochemical which! Is insured by the water in the file of this patent UNITED STATES PATENTS 905,602 Dec.! Adsorbent filled vessels are installed in a desiccant dryer, one for regeneration with a partial decomposition the... And are connected to a drain piping 42 alumina is chemically inert toward most and. Best technology when compliance levels were less demanding a high total dissolved solids level, sulfate... H2So4 solution through the bed a desiccant, will work by adsorption regenerates several saturated adsorbent bed efficiency.
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