1. A systematic optimization of Internally Staged Design (ISD) for a full-scale reverse osmosis process
- Author
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Seo Jin Ki, Minkyu Park, Kwanho Jeong, and Joon Ha Kim
- Subjects
Engineering ,Fouling ,business.industry ,Forward osmosis ,Full scale ,Environmental engineering ,Filtration and Separation ,02 engineering and technology ,Permeation ,021001 nanoscience & nanotechnology ,Total dissolved solids ,Biochemistry ,Pressure vessel ,Membrane ,020401 chemical engineering ,General Materials Science ,0204 chemical engineering ,Physical and Theoretical Chemistry ,0210 nano-technology ,Reverse osmosis ,business ,Process engineering - Abstract
In this study, Internally Staged Design (ISD) was numerically optimized in order to demonstrate the long-term performance of full-scale seawater reverse osmosis (SWRO) membrane systems in the presence of colloidal foulants. To this end, a numerical model based on a finite difference method was developed and optimized with various feed water qualities, such as fouling potential and total dissolved solids (TDS). As a result, the optimized ISD exhibited greater water flux and higher energy efficiency in long-term operation (90 days) compared to conventional designs, where single-type membrane elements were employed over a pressure vessel while achieving potable TDS concentration in permeate (
- Published
- 2017