Forward osmosis membrane filtration for microalgae harvesting cultivated in sewage effluent

Kim, Su Bin; Paudel, Sachin; Seo, Gyutae

doi:10.4491/eer.2015.005

Cited by 19 publications

(4 citation statements)

References 20 publications

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“…Recently, FO process has attracted growing attention in not only seawater desalination, but also many potential applications such as power generation, wastewater treatment (e.g. osmotic membrane bioreactor), food processing, and microalgae harvesting [19][20][21][22][23].…”

Section: Desalination and Water Treatmentmentioning

confidence: 99%

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An optimal design approach of forward osmosis and reverse osmosis hybrid process for seawater desalination

Jeon

Park

Yoon

et al. 2016

Desalination and Water Treatment

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A B S T R A C TThe forward osmosis (FO) and reverse osmosis (RO) hybrid process uses seawater and wastewater treatment plant effluent as the FO draw solution and feed water, respectively, and the diluted seawater by FO is used as the RO feed water resulting in the less energy consumption than the conventional seawater reverse osmosis applications. This work developed an optimal design approach of the hybrid process by finding the optimal RO recovery and FO permeate flow rate. The optimized RO recovery (e.g. 38.5-66.7% according to the FO permeate flow rate) determined by solving an optimization problem based on the mass balance in the FO-RO hybrid process, minimizes the RO energy consumption (1.86-3.49 kWh/m 3 at 25˚C and 2.41-3.86 kWh/m 3 at 5˚C). The RO energy consumption decreases as the RO recovery increases until it reaches an optimal value. The optimal FO permeate flow rate can be defined with three different perspectives: (1) to minimize the RO energy consumption, (2) to minimize the RO feed flow rate, and (3) to minimize the environmental impacts of the concentrate discharge. Thus, the optimal FO permeate flow rate should be determined based on the weights of the three perspectives. The energy saving achieved by the optimal design approach in this work ranges from 37.6 to 46.7% according to the temperature.

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Section: Desalination and Water Treatmentmentioning

confidence: 99%

“…The simulated pressure and flow rates were used to calculate the energy consumption per unit production (E RO , kWh/m 3 ) using [21]:…”

Section: The Ro Process Simulationmentioning

confidence: 99%

An optimal design approach of forward osmosis and reverse osmosis hybrid process for seawater desalination

Jeon

Park

Yoon

et al. 2016

Desalination and Water Treatment

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“…The most explored microalgae were Chlorella vulgaris, with different strains from many culture collections, e.g., Chlorella vulgaris [67], Chlorella sp.ADE4 [69], Chlorella sp. KR-1 [72], Chlorella vulgaris (UTEX 2714, Austin, TX) [73], Chlorella vulgaris (FACHB-36) [74], Chlorella vulgaris KCTC AG 10002 [76].…”

Section: Draw and Feed Solutionsmentioning

confidence: 99%

“…Natural seawater and sea salts are also used as DS as well as brine solution from brackish water and seawater RO [69][70][71]73]. Pure and crude glycerol was also used as DS [68].…”

Section: Draw and Feed Solutionsmentioning

confidence: 99%

Microalgae in Food-Energy-Water Nexus: A Review on Progress of Forward Osmosis Applications

et al. 2019

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Nowadays the world is facing vulnerability problems related to food, energy and water demands. The challenges in those subsystems are intertwined and thus require inter-discipline approaches to address them. Bioresources offer promising solutions of the dilemma. Microalgae biomass is expected to become a superfood and a favorable energy feedstock and assist in supplying clean water and treat wastewater. Efficient mass production of microalgae, both during upstream and downstream processes, is thus a key process for providing high quality and affordable microalgae biomass. This paper covers recent progress in microalgae harvesting and dewatering by using osmotic driven membrane process, i.e., forward osmosis. Critical factors during forward osmosis process for microalgae harvesting and dewatering are discussed. Finally, perspective on further research directions and implementation scenarios of the forward osmosis are also provided.

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Low Carbon Desalination by Innovative Membrane Materials and Processes

et al. 2018

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Seawater and brackish water desalination has been a practical approach to mitigating the global fresh water scarcity. Current large-scale desalination installations worldwide can complementarily augment the global fresh water supplies, and their capacities are steadily increasing year-on-year. Despite substantial technological advance, desalination processes are deemed energy-intensive and considerable sources of CO2emission, leading to the urgent need for innovative low carbon desalination platforms. This paper provides a comprehensive review on innovations in membrane processes and membrane materials for low carbon desalination. In this paper, working principles, intrinsic attributes, technical challenges, and recent advances in membrane materials of the membrane-based desalination processes, exclusively including commercialised reverse osmosis (RO) and emerging forward osmosis (FO), membrane distillation (MD), electrodialysis (ED), and capacitive deionisation (CDI), are thoroughly analysed to shed light on the prospect of low carbon desalination.

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Forward osmosis membrane filtration for microalgae harvesting cultivated in sewage effluent

Cited by 19 publications

References 20 publications

An optimal design approach of forward osmosis and reverse osmosis hybrid process for seawater desalination

An optimal design approach of forward osmosis and reverse osmosis hybrid process for seawater desalination

Microalgae in Food-Energy-Water Nexus: A Review on Progress of Forward Osmosis Applications

Low Carbon Desalination by Innovative Membrane Materials and Processes

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