Abstract
ABSTRACTThe effect of temperature on the adsorption isotherms for cupric and cadmium ions by corncob particles was investigated. The uptake of the two types of ions by corncob particles increased with temperature in the ranges between 25°C and 65°C and between 15°C and 65°C for copper and cadmium, respectively. In addition, a study on the competitive adsorption of copper and cadmium ions from their mixture by the adsorbent was also conducted. The tests showed that the uptake of copper ions in the mixture increased with increasing the total metal ion concentration. However, the uptake of cadmium ions from the mixtures first increased, reached a maximum point, and then decreased with increasing the total metal ion concentration resulting in inversed U-shape isotherms. To describe these inversed U-shape isotherms, a new competitive adsorption model with interaction factors was proposed and its constants were estimated. From the tests, it can be concluded that the cupric ions had stronger affinity than the cadmium ions for the corncob particles during the competitive adsorption.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
