Ocean Wave Powered Reverse Osmosis Desalination: Design, Modeling and Test Validation

Mi, Jia; Wu, Xian; Capper, Joseph; Li, Xiaofan; Shalaby, Ahmed; Chung, Uihoon; Datla, Raju V.; Hajj, Muhammad R.; Zuo, Lei

doi:10.1016/j.ifacol.2022.11.277

Cited by 5 publications

(3 citation statements)

References 24 publications

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“…Although there are lots of Wave Energy Converter techniques around the world (more than 1000), they fall into three main types including: Attenuator, Point Absorber and Terminator (Drew et al 2009) which some are common methods in desalination are discussed brie y here. Mi et al (2022) investigated reverse-osmosis (RO) desalination method applying wave energy converter (WEC) both numerically and experimentally. Their proposed a system used oscillating surge wave energy converter (OSWEC) attached to the seabed.…”

Section: Introductionmentioning

confidence: 99%

A laboratory study on paddle type wave energy converter for transferring seawater using wave energy

Zolghadr,

Keshavarz Ab Pardeh,

Zomorodian

et al. 2024

J. Ocean Eng. Mar. Energy

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Using wave energy for desalination is recently noticed by researchers and authorities. This is known in industry as wave to water and is especially vital for regions/islands where have access to seas and oceans but suffer from shortage of drinking water. Some devices are developed to perform this operation in industry sector as well as academic studies performed in this regard, yet study on geometrical optimization of these devices is required. Studies aiming to optimize the wave energy convertor (WEC) geometry are expensive in eld. As a result, investigations are divided into numerical and experimental studies in which the former requires validation by observed data. In this paper, a preliminary experimental study on parameters affecting the performance of a paddle type WEC, such as paddle width, water depth, coast slope, and wave frequency period on the performance of the converter is conducted by running laboratory tests. This kind of WEC is used in industry. Analysis to scale up the results are provided and discussed in detail.

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Section: Introductionmentioning

confidence: 99%

A laboratory study on paddle type wave energy converter for transferring seawater using wave energy

Zolghadr,

Keshavarz Ab Pardeh,

Zomorodian

et al. 2024

J. Ocean Eng. Mar. Energy

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“…For many coastal locations, ocean wave energy is a substantial resource but is challenging to economically convert into electricity. Instead, several groups have considered using this form of energy to power seawater desalination plants-especially reverse osmosis (RO) desalination [1][2][3][4][5][6][7][8][9][10][11][12]. This application of ocean wave energy is estimated to be more economical than the production of electrical grid power [13].…”

Section: Introductionmentioning

confidence: 99%

“…Hydraulic power take-offs (PTOs) that use filtered seawater as the working fluid have been considered for a more direct coupling of the RO process to the wave energy harvesting process [2,4,5,12,[15][16][17][18]. This avoids power conversion losses that would otherwise come with the intermediate conversion of power to and from electricity.…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Power Take-Off Architectures for Wave-Powered Reverse Osmosis Desalination of Seawater with Co-Production of Electricity

Simmons,

Van de Ven

2023

Energies

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Several power take-off (PTO) architectures for wave-powered reverse osmosis (RO) desalination of seawater are introduced and compared based on the annual average freshwater production and the size of the components, which strongly relate to the costs of the system. The set of architectures compared includes a novel series-type PTO architecture not previously considered. These seawater hydraulic PTO architectures are composed of a WEC-driven pump, an RO module, an intake charge pump driven by an electric motor, and a hydraulic motor driving an electric generator for electric power production. This study is performed using an efficient two-way coupled steady-state model for the average performance of the system in a given sea state, including freshwater permeate production, electric power production, and electric power consumption. A multi-objective design problem is formulated for the purposes of this comparative study, with the objectives of maximizing annual freshwater production, minimizing the displacement of the WEC-driven pump, and minimizing the installed RO membrane area. This establishes a framework for comparison in the absence of a mature techno-economic model. The requirement that the system produces enough electric power to meet its consumption is applied as a constraint on the operation of the system. The oscillating wave surge converter Oyster 1 is assumed as the WEC. Weights on performance of the system in a given sea state are based on historical data from Humboldt Bay, CA. This study finds that (1) architectures in a series configuration allow for a reduction in the WEC-driven pump size of 59–92% compared to prior work, (2) varying the displacement of the WEC-driven pump between sea conditions does not provide any significant advantage in performance, and (3) varying the active RO membrane area between sea condition offers improvements between 7% and 41% in each design objective.

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Great Lakes wave energy resource classification and Blue Economy opportunities

Pheifer,

Hill

2024

Renewable Energy

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Ocean Wave Powered Reverse Osmosis Desalination: Design, Modeling and Test Validation

Cited by 5 publications

References 24 publications

A laboratory study on paddle type wave energy converter for transferring seawater using wave energy

A laboratory study on paddle type wave energy converter for transferring seawater using wave energy

A Comparison of Power Take-Off Architectures for Wave-Powered Reverse Osmosis Desalination of Seawater with Co-Production of Electricity

Great Lakes wave energy resource classification and Blue Economy opportunities

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