A comparison was made of adsorption characteristics and adsorption thermodynamics about benzene in aqueous solution onto new adsorption resins ZH-00 and ZH-03 prepared in this laboratory.The static equilibrium adsorpt...A comparison was made of adsorption characteristics and adsorption thermodynamics about benzene in aqueous solution onto new adsorption resins ZH-00 and ZH-03 prepared in this laboratory.The static equilibrium adsorption isotherms in the temperature range of 283-293K were measured.The results show that Langmuir equation can give a better fitting for the data from the above adsorption isotherms and the process of adsorption for benzene in aqueous solution with the two new adsorbents is an exothermic,monomolecular layer,physical one,and the temperature has an important effect on the adsorption process.The static efficiency of removal of benzene reaches 90 percent at the low concentration and the breakthrough capacities of benzene on ZH-00 and ZH-03 are 40.1 and (45.6 mg)/(ml dry resin),respectively.展开更多
文摘A comparison was made of adsorption characteristics and adsorption thermodynamics about benzene in aqueous solution onto new adsorption resins ZH-00 and ZH-03 prepared in this laboratory.The static equilibrium adsorption isotherms in the temperature range of 283-293K were measured.The results show that Langmuir equation can give a better fitting for the data from the above adsorption isotherms and the process of adsorption for benzene in aqueous solution with the two new adsorbents is an exothermic,monomolecular layer,physical one,and the temperature has an important effect on the adsorption process.The static efficiency of removal of benzene reaches 90 percent at the low concentration and the breakthrough capacities of benzene on ZH-00 and ZH-03 are 40.1 and (45.6 mg)/(ml dry resin),respectively.