文档介绍：Adsorption Filtration Technology Using Reclaimed
Iron Sludge Coated Sand Filter Media for Municipal
Wastewater Reuse
Lǚ Jianboa,b,Sun Lipinga,b, Li Yuyoua,b, Jia Renyonga,b, Yi Xuesonga,b
a Department of Environmental and Municipal Engineering, Tianjin Institute of Urban Construction, Tianjin 300384, China
b Tianjin Key Laboratory of Water Quality Science and Technology, Tianjin Institute of Urban Construction, Tianjin 300384,
China
Abstract—This paper aims at exploring the feasibility of media is an innovative technology for treating water and
adsorption filtration technology using reclaimed iron sludge wastewater. In recent years, metal-oxides coated sand has
[6,7] 3- [8]
coated sand (RISCS) as filter media for municipal wastewater been studied for removal anic matter , anions (PO4
reuse. The iron sludge as surplus waste solution derived from 3-[5] 2+ 2+ 2+ 2+ [7,9,10]
、AsO4 ) and cations (Cd 、Cu 、Pb 、Mn ) from
ferric-carbon micro-electrolysis process. Scanning electron synthetic and real water.
microscope (SEM), Infrared spectroscopy (IR) and X-ray
diffraction (XRD) analysis were used to investigate the surface Over the last decade, zero valent iron (Fe0) process has
morphology of quartz sand (QS) and RISCS. Batch experiments received wide attention for the degradation of refractory
were performed using QS and RISCS to examine the anic