Research Topics
| Runping HanSummaryAffiliation: Zhengzhou University Country: China Publications
|
Detail Information
Publications
Comparison of linear and nonlinear analysis in estimating the Thomas model parameters for methylene blue adsorption onto natural zeolite in fixed-bed columnRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou, Henan Province 450052, PR China
J Hazard Mater 145:331-5. 2007..The error analysis was performed. Present investigation showed that the linear and nonlinear methods are both suitable to predict the breakthrough curves using Thomas model parameters and the nonlinear method is better...
Equilibrium biosorption isotherm for lead ion on chaffRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou, Henan Province 450052, PR China
J Hazard Mater 125:266-71. 2005..The thermodynamics of lead ion-chaff system indicates spontaneous and exothermic process. It was concluded that an increase in temperature result in a lower metal loading per unit weight of the chaff...
Kinetics and isotherms of Neutral Red adsorption on peanut huskRunping Han
Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China
J Environ Sci (China) 20:1035-41. 2008..The intraparticle diffusion model was also used to express the adsorption process at the two-step stage. It was implied that peanut husk may be suitable as adsorbent material for adsorption of NR from aqueous solutions...
Use of rice husk for the adsorption of congo red from aqueous solution in column modeRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Da Xue North Road, Zhengzhou 450052, PR China
Bioresour Technol 99:2938-46. 2008..The data were in good agreement with BDST model. It was concluded that the rice husk column can remove CR from solution...
Removal of uranium(VI) from aqueous solutions by manganese oxide coated zeolite: discussion of adsorption isotherms and pH effectRunping Han
Department of Chemistry, Zhengzhou University, No 75 Daxue North Road, Zhengzhou, Henan Province 450052, PR China
J Environ Radioact 93:127-43. 2007..The thermodynamics of uranium(VI) ion/MOCZ system indicates the spontaneous and endothermic nature of the process. It was noted that an increase in temperature resulted in a higher uranium loading per unit weight of the adsorbent...
Biosorption of methylene blue from aqueous solution by rice husk in a fixed-bed columnRunping Han
Department of Chemistry, Zhengzhou University, 75 Da Xue North Road, Zhengzhou 450052, PR China
J Hazard Mater 141:713-8. 2007..When the flow rate was 8.2ml min(-1) and the influent concentration of MB was 50mgl(-1), the equilibrium adsorption biomass reached 4.41mgg(-1) according to Thomas model...
Biosorption of methylene blue from aqueous solution by fallen phoenix tree's leavesRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Da Xue North Road, Zhengzhou 450052, PR China
J Hazard Mater 141:156-62. 2007..The thermodynamics parameters of MB/leaf system indicate spontaneous and endothermic process. It was concluded that an increase in temperature be advantage to adsorb MB onto leaf...
Biosorption of copper and lead ions by waste beer yeastRunping Han
Department of Chemistry, Zhengzhou University, No 75 North Road of Da Xue, Zhengzhou 450052, PR China
J Hazard Mater 137:1569-76. 2006..The binding capacity for lead is more than for copper. Ion exchange is probably one of the main mechanism during adsorptive process...
Removal of copper(II) and lead(II) from aqueous solution by manganese oxide coated sand II. Equilibrium study and competitive adsorptionRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou 450052, PR China
J Hazard Mater 137:480-8. 2006....
Copper(II) and lead(II) removal from aqueous solution in fixed-bed columns by manganese oxide coated zeoliteRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou 450052, PR China
J Hazard Mater 137:934-42. 2006..The removal of copper and lead ion by MOCZ columns followed the descending order: Pb(II) > Cu(II). The adsorbed copper and lead ions were easily desorbed from MOCZ with 0.5 mol l(-1) HNO3 solution...
Removal of copper(II) and lead(II) from aqueous solution by manganese oxide coated sand I. Characterization and kinetic studyRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou 450052, PR China
J Hazard Mater 137:384-95. 2006..98 kJ mol(-1) and Pb(II) 2.10 kJ mol(-1), respectively. The low value of E(a) shows that Cu(II) and Pb(II) adsorption process by MOCS may involve a non-activated chemical adsorption and a physical sorption...
Removal of methylene blue from aqueous solution by chaff in batch modeRunping Han
Department of Chemistry, Zhengzhou University, No 75 of Daxue North Road, Zhengzhou, Henan Province 450052, PR China
J Hazard Mater 137:550-7. 2006..The thermodynamics parameters of MB/chaff system indicate spontaneous and endothermic process. It was concluded that an increase in temperature results in a bigger MB loading per unit weight of the chaff...
Biosorption of copper(II) and lead(II) from aqueous solution by chaff in a fixed-bed columnRunping Han
Department of Chemistry, Zhengzhou University, PR China
J Hazard Mater 133:262-8. 2006..98 mg g(-1) and 6.72 mg g(-1), respectively. The competitive adsorption for lead and copper was studied. Moreover the total adsorbing capability of chaff did not decrease when there were both copper(II) and lead(II) in solution...
Malachite green adsorption onto natural zeolite and reuse by microwave irradiationRunping Han
Department of Chemistry, Zhengzhou University, Kexue Road 100, Zhengzhou, Henan 450001, PR China
J Hazard Mater 175:1056-61. 2010..Spent zeolite was treated by microwave irradiation and it was found that yield of regeneration was 85.8% in the case of microwave irradiated time 10 min at 160 W...
