Characterization of membrane foulants in a pilot-scale tunnel construction wastewater treatment process
- Title
- Characterization of membrane foulants in a pilot-scale tunnel construction wastewater treatment process
- Author
- 김종오
- Keywords
- Tunnel construction wastewater; Wastewater reclamation; Microfiltration; Reverse osmosis; Membrane fouling; RECLAMATION SYSTEM; RO; ULTRAFILTRATION; FILTRATION
- Issue Date
- 2014-09
- Publisher
- ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
- Citation
- Bioresource Technology, November 2014, 171, p.384-388
- Abstract
- A pilot-scale combination of a microfiltration (MF) and a reverse osmosis (RO) membrane system was applied on-site to treat tunnel construction wastewater. The MF membrane system initially removed contaminants (turbidity of less than 0.3 NTU) in the form of particulate materials in the feed water, thereby allowing the combined MF-RO system to efficiently remove more than 99% of known organic and inorganic contaminants and qualify the reclaimed water for reuse. The MF membrane autopsy analysis using X-ray fluorescence (XRF) and inductively coupled plasma-mass spectrometry (ICP-MS) revealed that the dominant foulants were inorganic deposits involving Si, Al and Fe, comprising the main components of cement materials, as well as deposits involving heavy metals such as Mn, Cu and Zn in the form of particles. Thus, thick cake contaminants shown by field emission scanning electron microscope (FE-SEM) images might be induced via suspended solids consisting of cement and clay materials and metals. (C) 2014 Elsevier Ltd. All rights reserved.
- URI
- https://www.sciencedirect.com/science/article/pii/S0960852414012231?via%3Dihubhttp://hdl.handle.net/20.500.11754/48263
- ISSN
- 0960-8524; 1873-2976
- DOI
- 10.1016/j.biortech.2014.08.107
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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