Integrated forward osmosis-adsorption process for strontium-containing water treatment: pre-concentration and solidification

2021 ◽  
pp. 125518
Author(s):  
Xiaoyuan Zhang ◽  
Yu Liu
Keyword(s):  
Water Treatment ◽  
Adsorption Process ◽  
Forward Osmosis

scholarly journals Heavy Metals Removal from Water by Efficient Adsorbents

Water ◽  
2021 ◽  
Vol 13 (19) ◽  
pp. 2659
Author(s):  
Muhammad Zaim Anaqi Zaimee ◽  
Mohd Sani Sarjadi ◽  
Md Lutfor Rahman
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Water Treatment ◽  
Adsorption Process ◽  
Natural Occurrence ◽  
Toxic Heavy Metals ◽  
Major Purpose ◽  
Treatment Methods ◽  
Metals Removal ◽  
Harmful Effects

Natural occurrence and anthropogenic practices contribute to the release of pollutants, specifically heavy metals, in water over the years. Therefore, this leads to a demand of proper water treatment to minimize the harmful effects of the toxic heavy metals in water, so that a supply of clean water can be distributed into the environment or household. This review highlights several water treatment methods that can be used in removing heavy metal from water. Among various treatment methods, the adsorption process is considered as one of the highly effective treatments of heavy metals and the functionalization of adsorbents can fully enhance the adsorption process. Therefore, four classes of adsorbent sources are highlighted: polymeric, natural mineral, industrial by-product, and carbon nanomaterial adsorbent. The major purpose of this review is to gather up-to-date information on research and development on various adsorbents in the treatment of heavy metal from water by emphasizing the adsorption capability, effect of pH, isotherm and kinetic model, removal efficiency and the contact of time of every adsorbent.

Preliminary studies of water treatment using forward osmosis

2013 ◽  
Vol 51 (4-6) ◽  
pp. 800-806 ◽  
Author(s):  
Yijun Xie ◽  
Rui Ma ◽  
Shengji Xia
Keyword(s):  
Water Treatment ◽  
Forward Osmosis

Produced water treatment using forward osmosis membranes: Evaluation of extended-time performance and fouling

2017 ◽  
Vol 525 ◽  
pp. 77-88 ◽  
Author(s):  
Elizabeth A. Bell ◽  
Taylor E. Poynor ◽  
Kathryn B. Newhart ◽  
Julia Regnery ◽  
Bryan D. Coday ◽  
...  
Keyword(s):  
Water Treatment ◽  
Produced Water ◽  
Forward Osmosis ◽  
Extended Time ◽  
Time Performance ◽  
Produced Water Treatment

scholarly journals Strategies in Forward Osmosis Membrane Substrate Fabrication and Modification: A Review

Membranes ◽  
2020 ◽  
Vol 10 (11) ◽  
pp. 332 ◽  
Author(s):  
Nur Diyana Suzaimi ◽  
Pei Sean Goh ◽  
Ahmad Fauzi Ismail ◽  
Stanley Chinedu Mamah ◽  
Nik Ahmad Nizam Nik Malek ◽  
...  
Keyword(s):  
Water Treatment ◽  
Membrane Fouling ◽  
Forward Osmosis ◽  
Composite Membranes ◽  
High Energy ◽  
Future Perspective ◽  
Selective Layer ◽  
Long Duration ◽  
Selective Membrane ◽  
Separation Performances

Forward osmosis (FO) has been recognized as the preferred alternative membrane-based separation technology for conventional water treatment technologies due to its high energy efficiency and promising separation performances. FO has been widely explored in the fields of wastewater treatment, desalination, food industry and bio-products, and energy generation. The substrate of the typically used FO thin film composite membranes serves as a support for selective layer formation and can significantly affect the structural and physicochemical properties of the resultant selective layer. This signifies the importance of substrate exploration to fine-tune proper fabrication and modification in obtaining optimized substrate structure with regards to thickness, tortuosity, and porosity on the two sides. The ultimate goal of substrate modification is to obtain a thin and highly selective membrane with enhanced hydrophilicity, antifouling propensity, as well as long duration stability. This review focuses on the various strategies used for FO membrane substrate fabrication and modification. An overview of FO membranes is first presented. The extant strategies applied in FO membrane substrate fabrications and modifications in addition to efforts made to mitigate membrane fouling are extensively reviewed. Lastly, the future perspective regarding the strategies on different FO substrate layers in water treatment are highlighted.

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