Integrated Pumped Hydro Reverse Osmosis systems

Slocum, Alexander H.; Haji, Maha N.; Trimble, A Zachary; Ferrara, Marco; Ghaemsaidi, Sasan J.

doi:10.1016/j.seta.2016.09.003

Cited by 26 publications

(27 citation statements)

References 28 publications

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“…However, those methods are still not productive because they yield less clean water, except for the RO method. The RO method is very effective, high productivity, but it need high costs because it requires large electrical energy, Slocum et al (2016). Therefore, making clean water with an RO method is only beneficial for large industries or community groups, but it is not suitable for every household.…”

Section: Introduction *mentioning

confidence: 99%

Effect of Absorber Types of Conventional Distillers on the Amount of Distilled Water Production

Mirmanto¹,

Wirawan²,

Sayoga³

et al. 2019

Frontiers in Heat and Mass Transfer

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Due to clean water crisis in the dry season in some places in Indonesia, experiments to find the best distiller to provide distilled water were performed. The long-term goal of this study is to create a distiller that is cheap, simple, easy to make, durable, low maintenance, but produces plenty of distilled water. Three identical conventional distillers with different absorbers had been tested for about 6 days in May 2019. These three distillers were used to evaporate and condense seawater to be distilled water. The absorbers types employed were type A, B, and C. The results show that the distiller with the type C absorber is the best distiller. The distilled water produced is 1.3 liter per day. Therefore, this distilleris recommended to use, develop and study further.

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Section: Introduction *mentioning

confidence: 99%

Effect of Absorber Types of Conventional Distillers on the Amount of Distilled Water Production

Mirmanto¹,

Wirawan²,

Sayoga³

et al. 2019

Frontiers in Heat and Mass Transfer

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“…7 In this section, numerical simulation has been applied for the preliminary design of new impeller with number of blades 4,5,6,7,8,9, and 10 at rotational speed of 1750 rpm and flow capacity of 4.8 kg/s. At the constantly rotational speed of motor shaft, number of blades at this impeller model have a significant effect on performance characteristics feedwater pump for a RDE case.…”

Section: P-issn: 1411-240x E-issn: 2527-9963 Nomor: 632/au3/p2mi-lipimentioning

confidence: 99%

“…It is well known that full data of a pump performance characteristics is essential for informing the technical specification of pumps. However, it can be difficult to obtain the detailed information required, the data of pumps from different literatures will be referenced [7][8][9][10]. In this study, a Fortran computer code is developed to predict performance characteristics of a RDE feedwater pump based on a number of impeller blade, and the calculation results of this numerical simulation will be compared with the existing operation data for a type of feedwater pump of HTR-10, China [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Preliminary Design of Rde Feedwater Pump Impeller

Sudadiyo

2018

Tri Dasa Mega

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PRELIMINARY DESIGN OF RDE FEEDWATER PUMP IMPELLER. Nowadays, pumps are being widely used in the thermal power generation including nuclear power plants. Reaktor Daya Eksperimental (RDE) is a proposed nuclear reactor concept for the type of nuclear power plant in Indonesia. This RDE has thermal power 10 MW th , and uses a feedwater pump within its steam cycle. The performance of feedwater pump depends on size and geometry of impeller model, such as the number of blades and the blade angle. The purpose of this study is to perform a preliminary design on an impeller of feedwater pump for RDE and to simulate its performance characteristics. The Fortran code is used as an aid in data calculation in order to rapidly compute the blade shape of feedwater pump impeller, particularly for a RDE case. The calculations analyses is solved by utilizing empirical correlations, which are related to size and geometry of a pump impeller model, while performance characteristics analysis is done based on velocity triangle diagram. The effect of leakage, pass through the impeller due to the required clearances between the feedwater pump impeller and the volute channel, is also considered.Comparison between the feedwater pump of HTR-10 and of RDE shows similarity in the trend line of curve shape. These characteristics curves will be very useful for the values prediction of performance of a RDE feedwater pump. Preliminary design of feedwater pump provides the size and geometry of impeller blade model with 5-blades, inlet angle 14.5 degrees, exit angle 25 degrees, inside diameter 81.3 mm, exit diameter 275.2 mm, thickness 4.7 mm, and height 14.1 mm. In addition, the optimal values of performance characteristics were obtained when flow capacity was 4.8 kg/s, fluid head was 29.1 m, shaft mechanical power was 2.64 kW, and efficiency was 52 % at rotational speed 1750 rpm. Keywords

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“…Sari and Chellam (2016) were the best. According to Slocum et al (2016), reverse osmosis pumping system should be located at high elevation to lower the pumping energy. Different equations were used to achieve better design of the integrated pump system.…”

Section: Membrane Filtrationmentioning

confidence: 99%