Synergistic solutions: reverse osmosis and nanofiltration configurations for efficient brackish water desalination

IF 11.4 1区 工程技术 Q1 ENGINEERING, CHEMICAL
Arianna Q. Tariqi, Luis Cruzado, Anthony P. Straub, Kerri L. Hickenbottom, Vasiliki Karanikola
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引用次数: 0

Abstract

Pilot testing using feed water sourced from the Yuma Desalting Plant (~2 g/L) (Arizona, USA), an inland brackish water desalination facility, was conducted using either tight Dupont Filmtec Nanofiltration (NF) NF90 membranes or looser NF270 membranes as integrated, pre-treatment, or brine recovery for Reverse Osmosis (RO). The hybrid configurations that include both NF270 and RO membranes exhibited the highest RO water flux, 37– 41 Lm−2 h−1, with over 99% salt rejection. However, the cost was strongly influenced by the volume of brine produced compared to the energy consumption, resulting in the lowest cost in the NF270 brine recovery configuration. Both the pilot study and modeling data indicate that NF270 and RO membrane hybrid configurations are an economically viable treatment for water purification in inland areas where brackish water is a prevalent water source.

Abstract Image

协同解决方案:反渗透和纳滤配置有效的咸淡水淡化
中试用水来自于尤马海水淡化厂(约2 g/L)(美国亚利桑那州),这是一家内陆微咸水淡化厂,采用杜邦薄膜技术的致密纳滤(NF) NF90膜或松散的NF270膜作为反渗透(RO)的集成、预处理或盐水回收。同时含有NF270和RO膜的杂化结构表现出最高的RO水通量,为37 - 41 Lm−2 h−1,盐的去除率超过99%。然而,与能源消耗相比,生产盐水的数量对成本有很大影响,因此在NF270盐水回收配置中成本最低。中试研究和建模数据都表明,NF270和RO膜混合配置是一种经济可行的水净化处理方法,在内陆地区,微咸水是一种普遍的水源。
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来源期刊
npj Clean Water
npj Clean Water Environmental Science-Water Science and Technology
CiteScore
15.30
自引率
2.60%
发文量
61
审稿时长
5 weeks
期刊介绍: npj Clean Water publishes high-quality papers that report cutting-edge science, technology, applications, policies, and societal issues contributing to a more sustainable supply of clean water. The journal's publications may also support and accelerate the achievement of Sustainable Development Goal 6, which focuses on clean water and sanitation.
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