水力负荷对人工渗滤系统除氮效果的影响  

Effect of Hydraulic Loading Rate on Nitrogen Removal Efficiency of Artificial Infiltration System

作　　者：刘其友[1] 孙烁 王莹 赵朝成[1] LIU Qiyou;SUN Shuo;WANG Ying;ZHAO Chaocheng(College of Chemical Engineering,China University of Petroleum(EastChina),Qingdao 266580,China)

机构地区：[1]中国石油大学(华东)化学工程学院,山东青岛266580

出　　处：《化学与生物工程》2019年第4期52-56,68,共6页Chemistry & Bioengineering

基　　金：国家自然科学基金项目(21307160)

摘　　要：以山东半岛常见的河砂与棕壤作为滤层主要填充物质,并添加一定量能够改善滤层环境的外源物质构建人工渗滤系统;以海产养殖废水作为处理对象,比较了人工渗滤系统在不同水力负荷下的除氮效果。结果表明,在水力负荷为20cm^3·cm^(-2)·d^(-1)时,人工渗滤系统对总氮与氨氮的去除效果最好,去除率分别达到43.89%和86.09%,硝态氮及亚硝态氮的去除效果相对较差。Using common river sand and brown soil in Shandong Peninsula as the main filling materials of filter layer,and adding a certain amount of exogenous materials which can improve the filter environment,we constructed the artificial infiltration system.Using the marine aquaculture wastewater as a treatment object,we compared the nitrogen removal efficiency of the artificial infiltration system at different hydraulic loading rates.The results show that when the hydraulic loading rate is 20 cm ^3·cm^-2 ·d ^-1 ,the removal rates of total nitrogen(TN) and ammonia nitrogen(NH 3-N) will reach 43.89% and 86.09%,respectively,and the removal efficiency of nitrate nitrogen(NO 3^-N) and nitrite nitrogen(NO 2^-N) is relatively poor.

关 键 词：人工渗滤系统 水力负荷 海产养殖废水 除氮效果 

分 类 号：X172[环境科学与工程—环境科学] X55