Ammonia-containing Wastewater Reclamation with Membrane Absorption and Vacuum Membrane Distillation
Membrane absorption and vacuum membrane distillation were integrated to recover ammonia and water from saline ammonia-containing wastewater discharged by metallurgical plants.Ammonia was removed by membrane absorption to decrease the ammonia content to below 5mg/L.Then the wastewater was concentrated by vacuum membrane distillation to maximize fresh water recovery.Recovery of ammonia and fresh water reached 99.8%and 80%within 250 min and 160 min,respectively.Permeate flux was greatly restored through a cleaning technique.The experimental results demonstrate the potential for resource utilization of saline ammonia-containing wastewater by combining membrane absorption and vacuum membrane distillation.
membrane absorption membrane distillation ammonia removal water recovery
Lu Jun Li Baoan
Chemical Engineering Research Center,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China
国内会议
上海
英文
1-10
2015-10-21（万方平台首次上网日期，不代表论文的发表时间）