Techno-economic analysis of combining forward osmosis-reverse osmosis and anaerobic membrane bioreactor technologies for municipal wastewater treatment and water production

Vinardell, Sergi; Astals, Sergi; Mata‐Alvarez, J.; Dosta, J.

doi:10.1016/j.biortech.2019.122395

Cited by 56 publications

(20 citation statements)

References 49 publications

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“…Another factor that should be considered is the cost of FO modules. Due to the lower membrane packing density in a FO module compared to that in a RO module, the cost of a FO module was estimated at 55 USD/m 2 , which is higher than a RO module (24 USD/m 2 ) [ 56 , 57 , 58 , 59 ].…”

Section: Deployment Of Fo As a Single Treatment Processmentioning

confidence: 99%

“…Vinardell et al [ 56 ] reported a study focusing on the economic analysis of a hybrid system integrating FO with AnMBR and RO processes. In this system, the FO was used to pre-concentrate the AnMBR influent, while the RO system was applied for draw solution regeneration and water production.…”

Section: The Integration Of Fo With Other Membrane Technologiesmentioning

confidence: 99%

“…The result indicated that increasing flow rates and concentrations of draw solution could improve the water flux of FO membranes, and could consequently reduce the cost of purchasing FO membrane, but it would also increase energy consumption of the FO system. Vinardell et al [ 56 ] evaluated the feasibility of retrofitting the RO plant (final water production of 45,000 m 3 /day) to a FO-RO-MBR plant. The result indicated that the FO-RO-MBR system was economically competitive if the recovery rate of the FO system was maintained at 50%.…”

Section: Integration Of Fo With Other Wastewater Treatment Technologiesmentioning

confidence: 99%

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State-of-the-Art and Opportunities for Forward Osmosis in Sewage Concentration and Wastewater Treatment

Lau

Pramanik

et al. 2021

Membranes

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The application of membrane technologies for wastewater treatment to recover water and nutrients from different types of wastewater can be an effective strategy to mitigate the water shortage and provide resource recovery for sustainable development of industrialisation and urbanisation. Forward osmosis (FO), driven by the osmotic pressure difference between solutions divided by a semi-permeable membrane, has been recognised as a potential energy-efficient filtration process with a low tendency for fouling and a strong ability to filtrate highly polluted wastewater. The application of FO for wastewater treatment has received significant attention in research and attracted technological effort in recent years. In this review, we review the state-of-the-art application of FO technology for sewage concentration and wastewater treatment both as an independent treatment process and in combination with other treatment processes. We also provide an outlook of the future prospects and recommendations for the improvement of membrane performance, fouling control and system optimisation from the perspectives of membrane materials, operating condition optimisation, draw solution selection, and multiple technologies combination.

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Section: Deployment Of Fo As a Single Treatment Processmentioning

confidence: 99%

Section: The Integration Of Fo With Other Membrane Technologiesmentioning

confidence: 99%

Section: Integration Of Fo With Other Wastewater Treatment Technologiesmentioning

confidence: 99%

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State-of-the-Art and Opportunities for Forward Osmosis in Sewage Concentration and Wastewater Treatment

Lau

Pramanik

et al. 2021

Membranes

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show abstract

“…The water production cost associated with the combination of FO-RO-AnMBR for municipal WW treatment was estimated by Vinardell et al [ 149 ] for four different scenarios, AnMBR directly treating WW and FO-RO-AnMBR with different FO water recoveries (50, 80, 90%). WW treatment cost below 1 €·m −3 was achieved when FO recovery was limited to 50%; increasing FO flux above 10 L·m −2 ·h −1 was identified as a key factor to improve significantly the competitiveness of the FO–RO–AnMBR system.…”

Section: Applications Of Fo As Concentrating Processmentioning

confidence: 99%

Forward Osmosis as Concentration Process: Review of Opportunities and Challenges

et al. 2020

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In the past few years, osmotic membrane systems, such as forward osmosis (FO), have gained popularity as “soft” concentration processes. FO has unique properties by combining high rejection rate and low fouling propensity and can be operated without significant pressure or temperature gradient, and therefore can be considered as a potential candidate for a broad range of concentration applications where current technologies still suffer from critical limitations. This review extensively compiles and critically assesses recent considerations of FO as a concentration process for applications, including food and beverages, organics value added compounds, water reuse and nutrients recovery, treatment of waste streams and brine management. Specific requirements for the concentration process regarding the evaluation of concentration factor, modules and design and process operation, draw selection and fouling aspects are also described. Encouraging potential is demonstrated to concentrate streams more than 20-fold with high rejection rate of most compounds and preservation of added value products. For applications dealing with highly concentrated or complex streams, FO still features lower propensity to fouling compared to other membranes technologies along with good versatility and robustness. However, further assessments on lab and pilot scales are expected to better define the achievable concentration factor, rejection and effective concentration of valuable compounds and to clearly demonstrate process limitations (such as fouling or clogging) when reaching high concentration rate. Another important consideration is the draw solution selection and its recovery that should be in line with application needs (i.e., food compatible draw for food and beverage applications, high osmotic pressure for brine management, etc.) and be economically competitive.

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“…Sergi [124] used the FO-RO-AnMBR process to desalinate seawater compared to the traditional seawater RO process in three scenarios: (A) open-loop system; (B) open-loop system, RO recovery at 45%; (C) closed-loop system, RO was established by the osmotic pressure of the synthetic draw solution. These scenarios were analyzed under three FO recovery rates (50%, 80%, 90%), and the economic benefits were considered.…”

Section: Process Economicsmentioning

confidence: 99%

Research on Forward Osmosis Membrane Technology Still Needs Improvement in Water Recovery and Wastewater Treatment

Shi

2019

Water

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Forward osmosis (FO) has become an evolving membrane separation technology to recover water due to its strong retention capacity, sustainable membrane fouling, etc. Although a good deal of research has been extensively investigated in the past decades, major challenges still remain as follows: (1) the novel FO membrane material properties, which significantly influence the fouling of the FO membranes, the intolerance reverse solute flux (RSF), the high concentration polarization (CP), and the low permeate flux; (2) novel draw solution preparation and utilization; (3) salinity build-up in the FO system; (4) the successful implementation of the FO process. This work critically reviews the last five years’ literature in development of the novel FO membrane material, structure in modification, and preparation, including comparison and analysis on the traditional and novel draw solutes coupled with their effects on FO performance; application in wastewater treatment, especially hybrid system and integrated FO system; fouling mechanism; and cleaning strategy as discussed in the literature. The current barriers of the research results in each hotspot and the areas that can be improved are also analyzed in detail. The research hotspots in the research and development of the novel membrane materials in various countries and regions have been compared in recent years, and the work of variation in pop research hotspots in the past 10 years has been analyzed and the ideas that fill the blank gaps also have been proposed.

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Techno-economic analysis of combining forward osmosis-reverse osmosis and anaerobic membrane bioreactor technologies for municipal wastewater treatment and water production

Cited by 56 publications

References 49 publications

State-of-the-Art and Opportunities for Forward Osmosis in Sewage Concentration and Wastewater Treatment

State-of-the-Art and Opportunities for Forward Osmosis in Sewage Concentration and Wastewater Treatment

Forward Osmosis as Concentration Process: Review of Opportunities and Challenges

Research on Forward Osmosis Membrane Technology Still Needs Improvement in Water Recovery and Wastewater Treatment

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