Forward osmosis desalination of brackish groundwater: Meeting water quality requirements for fertigation by integrating nanofiltration
- Authors
- Phuntsho, Sherub; Hong, Seungkwan; Elimelech, Menachem; Shon, Ho Kyong
- Issue Date
- 1-6월-2013
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Forward osmosis; Desalination; Fertiliser draw solution; Irrigation; Fertigation
- Citation
- JOURNAL OF MEMBRANE SCIENCE, v.436, pp.1 - 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF MEMBRANE SCIENCE
- Volume
- 436
- Start Page
- 1
- End Page
- 15
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/102998
- DOI
- 10.1016/j.memsci.2013.20.022
- ISSN
- 0376-7388
- Abstract
- The concept of fertiliser drawn forward osmosis (FDFO) desalination lies in the premise that fertilisers that serve as draw solutions (DS) add value to the FDFO product water for fertigation. However, because FDFO desalination is concentration based, the process cannot continue beyond the concentration equilibrium, one of the major limitations of the forward osmosis (FO) process. This results in final FDFO product water that, unless subjected to substantial dilution with fresh water, exceeds the acceptable nutrient concentrations for direct fertigation. In this study, nanofiltration (NF) has been assessed as an integrated process to FDFO desalination, either as a pre-treatment or post-treatment, to reduce the nutrient concentrations in the final product water and thereby allow direct use of the product water for fertigation without further dilution. NF as pre-treatment or post-treatment was found effective in reducing the nutrient concentrations using brackish groundwater (BGW) sources with relatively low total dissolved solid (TDS). However, when using higher TDS BGW sources, the product water still required further dilution or post-treatment before fertigation. NF as post-treatment was found to be more advantageous both in terms of reduced nutrient concentrations in the final product water and energy consumption. (c) 2013 Elsevier B.V. All rights reserved.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholar.korea.ac.kr/handle/2021.sw.korea/102998)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.