简介:TherecoveryofAubyactivatedcarbonfibers(ACFs)wascarriedoutina40mmdiameter,1200mmheightfluidizedbedTheratesofreactionofthefunctionalfiberswithAu3+inthepureaurumsolutionandintheaurum-containingwastewaterweremeasuredrespectivelyatthedifferentsolutionfiowrates,andcomparedwiththeresultsunderthestaticsolutionconditions.Experimentalresultsindicatedthatthereactionratesinfluidizationarenotablyhigherthanthoseinthestaticstateandincreasewiththeincreaseofsolutionflowrate.Itdemonstratesthatthethicknessoftheconcentrationboundarylayerisdecreasedandauniformtemperaturefieldisestablishedinthebedduetoincreasingoftheturbulentextentwiththerelativefiber/solutionvelocity.