Optimising the recovery of EDTA-2Na draw solution in forward osmosis through direct contact membrane distillation

Nguyen, Nguyen Cong; Chen, Shiao‐Shing; Ho, Su-Thing; Nguyen, Hau Thi; Ray, Saikat Sinha; Nguyen, Nhat Thien; Hsu, Hung-Te; Le, Ngoc Chung; Tran, Thi Tinh

doi:10.1016/j.seppur.2017.02.001

Cited by 26 publications

(7 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, besides the membrane and draw solute selection, the draw solution recovery system is also important to ensure the commercial feasibility of the FO process. In the case of draw solution recovery and high-purity distillate production using membrane distillation, it is possible to utilize waste heat or solar thermal to reduce the carbon footprint of the overall treatment process [149]. Furthermore, a recent evaluation of FO-NF demonstrated plant for wastewater reuse in agriculture has also indicated that the total energy consumption of the FO-NF process is almost 40% higher than that of UF-RO process [150].…”

Section: Current Challenges and Future Outlookmentioning

confidence: 99%

Recent Progresses of Forward Osmosis Membranes Formulation and Design for Wastewater Treatment

Goh

Ismail

et al. 2019

Water

View full text Add to dashboard Cite

Production of potable water or reclaimed water with higher quality are in demand to address water scarcity issues as well as to meet the expectation of stringent water quality standards. Forward osmosis (FO) provides a highly promising platform for energy-efficient membrane-based separation technology. This emerging technology has been recognized as a potential and cost-competitive alternative for many conventional wastewater treatment technologies. Motivated by its advantages over existing wastewater treatment technologies, the interest of applying FO technology for wastewater treatment has increased significantly in recent years. This article focuses on the recent developments and innovations in FO for wastewater treatment. An overview of the potential of FO in various wastewater treatment application will be first presented. The contemporary strategies used in membrane designs and fabrications as well as the efforts made to address membrane fouling are comprehensively reviewed. Finally, the challenges and future outlook of FO for wastewater treatment are highlighted.

show abstract

Section: Current Challenges and Future Outlookmentioning

confidence: 99%

Recent Progresses of Forward Osmosis Membranes Formulation and Design for Wastewater Treatment

Goh

Ismail

et al. 2019

Water

View full text Add to dashboard Cite

show abstract

“…Therefore, the membrane thickness must be optimized for efficient performance in MD processes. 20 a ,27 where, T f : feed temperature, T 1 : temperature drop across the feed stream, T 2 : temperature at the membrane surface in the cold permeate stream, δ : thermal conductivity of the membrane, b : membrane thickness, α : convective heat transfer coefficient on the feed stream, J : permeate water flux, and H g : enthalpy of the vapor. 20 a…”

Section: Resultsmentioning

confidence: 99%

Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process

et al. 2018

Self Cite

View full text Add to dashboard Cite

show abstract

“…The sulfuric acid solution is selected as the working medium of the proposed system. A set of reasonable assumptions is made as follows [16,17]:…”

Section: Mathematical Models Of Vmd Coupled With Mvr Systemmentioning

confidence: 99%

Study on vacuum membrane distillation coupled with mechanical vapor recompression system for the concentration of sulfuric acid solution

Han

et al. 2019

J Braz. Soc. Mech. Sci. Eng.

View full text Add to dashboard Cite

This paper presents a new vacuum membrane distillation (VMD) coupled with mechanical vapor recompression system for the concentration of sulfuric acid solution; the mathematical models based on the mass and energy balances in each part of the system are established. The influences of the corresponding operating parameters including feed concentration, feed temperature, feed velocity and permeate-side absolute pressure on membrane flux are investigated and discussed. The membrane flux increases with the increase in feed temperature and velocity, but it decreases with the increase in feed concentration and permeate-side absolute pressure. Furthermore, the energy consumption of the proposed system is explored through analyzing the influences from key factors, including boiling point elevation, temperature and concentration polarization and heat transfer temperature difference of heat exchanger on power consumption of compressor. Compared with the conventional VMD system and multi-effect MD system, the proposed system can save 77.6% and 20.4% energy due to a significant improvement in thermal efficiency by recovering the latent heat of vaporization. Eventually, an economic evaluation of the proposed system is performed comprehensively and the most optimized compression ratio of compressor can be obtained, which can guarantee the lowest energy consumption and total annual cost. Therefore, these results can provide significant references for the implementation and further optimization of the proposed system in the future.

show abstract

Optimising the recovery of EDTA-2Na draw solution in forward osmosis through direct contact membrane distillation

Cited by 26 publications

References 31 publications

Recent Progresses of Forward Osmosis Membranes Formulation and Design for Wastewater Treatment

Recent Progresses of Forward Osmosis Membranes Formulation and Design for Wastewater Treatment

Casting of a superhydrophobic membrane composed of polysulfone/Cera flava for improved desalination using a membrane distillation process

Study on vacuum membrane distillation coupled with mechanical vapor recompression system for the concentration of sulfuric acid solution

Contact Info

Product

Resources

About