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Membrane-based pretreatment to mitigate variations in desalination plants
被引:5
作者:
Arevalo, J.
[1
]
Sandin, R.
[1
]
Kennedy, M. D.
[2
,3
]
Rodriguez, S. G. Salinas
[2
]
Rogalla, F.
[1
]
Monsalvo, V. M.
[1
]
机构:
[1] Aqualia Innovat & Technol Dept, Av Camino Santiago 40,Edificio 3,4 Planta, Madrid, Spain
[2] IHE Delft Inst Water Educ, Environm Engn & Water Technol Dept, NL-2611 AX Delft, Netherlands
[3] Delft Univ Technol, Fac Civil Engn, Stevinweg 1, NL-2628 CN Delft, Netherlands
基金:
欧盟地平线“2020”;
关键词:
desalination;
drought;
fouling;
membrane cleaning;
ultrafiltration;
REVERSE-OSMOSIS DESALINATION;
BRACKISH-WATER DESALINATION;
OF-THE-ART;
ULTRAFILTRATION;
MICROFILTRATION;
FILTRATION;
BLOCKING;
D O I:
10.2166/wst.2018.279
中图分类号:
X [环境科学、安全科学];
学科分类号:
08 ;
0830 ;
摘要:
The main source of potable water in high water-stress areas is commonly produced in brackish and seawater desalination plants. Owing to the presence of high concentration of suspended solids, organic matter and colloidal particles in raw water, pretreatment processes are needed for a stable operation of desalination plants. A submerged membrane ultrafiltration pilot plant has been operated as pretreatment of complex brackish surface water to study the filtration performance. The results show the membrane performance, chemical reagent requirements, water quality and cleaning procedures efficiency of an ultrafiltration pilot plant used as pretreatment for a reverse osmosis system. Alternative chemical cleaning procedures have been satisfactorily implemented, which maximize permeability recovery and allow a stable operation.
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页码:2858 / 2866
页数:9
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