Pretreatment processes for seawater reverse osmosis desalination systems-A review

被引:95
|
作者
Kavitha, J. [1 ]
Rajalakshmi, M. [1 ]
Phani, A. R. [2 ]
Padaki, Mahesh [3 ,4 ]
机构
[1] RV Coll Engn, Dept Chem Engn, Bengaluru, Karnataka, India
[2] INM Technol, Mysuru Rd, Bengaluru, Karnataka, India
[3] Jain Univ, Ctr Nano & Mat Sci, Jain Global Campus, Bengaluru, Karnataka, India
[4] Natl Univ Sci & Technol MISIS, Moscow 119049, Russia
关键词
Conventional pretreatment; Desalination; Integrated pretreatment systems; Membrane pretreatment; Novel pretreatment processes; ORGANIC-MATTER REMOVAL; OF-THE-ART; INTEGRATED MEMBRANE; ULTRAFILTRATION MEMBRANE; NANOFILTRATION MEMBRANES; DEMONSTRATION PLANT; WATER DESALINATION; UF PRETREATMENT; RO PRETREATMENT; FOULING CONTROL;
D O I
10.1016/j.jwpe.2019.100926
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
An efficient pretreatment system forms the backbone of a sea water desalination unit using reverse osmosis process. The pretreatment of sea water is done to bring down the turbidity, microorganisms, colloidal contaminants, total dissolved solids and silt density index of the raw sea water to acceptable levels and make it suitable for the Reverse Osmosis membrane process. The two kinds of pretreatment processes used are the conventional system and the membrane systems. The present review paper makes an effort to understand the conventional process, microfiltration, ultrafiltration, nanofiltration and integrated membrane systems for the seawater pretreatment, their advantages and limitations and the effect of the pretreated water on the performance of reverse osmosis membranes through the studies conducted by researchers as well as by considering certain case studies.
引用
收藏
页数:13
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