Title: Pilot-scale study on treatment of polluted source water using biological zeolite filter
Abstract:The self-designed biological zeolite filter features the advantages of high air dissolving efficiency,long back flush-period,strong shock resistant capacity against ammonia-nitrogen,simple structure,e...The self-designed biological zeolite filter features the advantages of high air dissolving efficiency,long back flush-period,strong shock resistant capacity against ammonia-nitrogen,simple structure,easy to operate,etc.The results of the pilot-scale experiment on the treatment of polluted source water using the said equipment showed that: during the form of bio-membrane,the removal of ammonia-nitrogen mainly depended on the effects of ion exchange and adsorption in the early period;and in the late period,it mainly depended on the effect of nitrification.The removal rate of ammonia-nitrogen decreased at first,increased afterwards,kept steady at last.The increase of hydraulic load influenced the ammonia-nitrogen,iron,manganese and turbidity to different degrees.When the hydraulic load increased from 1.06 m3/(m2·h) to 4.24 m3/(m2·h),the removal rate of ammonia-nitrogen,CODMn,turbidity,iron,manganese decreased 47.9%,29.1%,52.3%,41.4%,24.2% respectively.When the hydraulic load reached the optimal value: 3.18 m3/(m2·h),the removal rate of the above elements were 75.2%,31.8%,27.8%,31.6%,48.2%;temperature and hydraulic load gave bigger influence to the removal rate of ammonia-nitrogen,when the temperature was lower,the removal rate of the ammonia-nitrogen could be increased through decreasing the hydraulic load,and prolonging the hydraulic retention time.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
Access and Citation
Cited By Count: 1
AI Researcher Chatbot
Get quick answers to your questions about the article from our AI researcher chatbot