An experimental study of gas nuclei-assisted hydrodynamic cavitation for aquaculture water treatment

Tandiono, Tandiono; Kang, Chang Wei; Lu, Xin; Turangan, Cary; Tan, Matthew; Osman, Hafiiz; Lim, Fannon

doi:10.1007/s12650-020-00668-5

Cited by 6 publications

(4 citation statements)

References 36 publications

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“…The major causes of PSV performance degradation are cavitation and wear. The root cause can be a disruption in fluid flow distribution/dynamics; boundary-layer formation [32] and pressure drops across valve flow regions [33,34]; gas bubble formation and collapse [35,36]; variations in geometric configuration and the shape of components such as the poppet of the valve (i.e., chamfered conical, blunt, or spherical) [37]; nozzle tips [38]; inlet/outlet piping [39]; abrupt pressure fluctuations [40]; and acoustic resonance.…”

Section: Case Studies: Plant-level Accidents Due To Psv Failurementioning

confidence: 99%

Sizing and Selection of Pressure Relief Valves for High-Pressure Thermal–Hydraulic Systems

Bhowmik,

Sabharwall

2023

Processes

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This study covers the critical concerns related to the sizing, selection, installation, maintenance, and testing of pressure safety valves (PSVs). The aim is to ensure the safety of pressurized systems, hydrostatic transmission systems, and hydraulic plants, including process plants, thermal power plants, and nuclear reactor systems. PSVs are devices that ensure the safety and reliability of pressurized vessels, lines, and systems during overpressure events. The task of selecting which PSV features are of greatest value for a specific purpose is complex—especially in the design of a high-pressure experimental thermal–hydraulic facility for hydrostatic and transient testing of the reactor system—when the systems are in the design and development phases and require qualification and demonstration to prove that they have reached a given level of technological readiness. The present study highlights the required steps for users to follow the associated rules, guidelines, and recommendations. As a part of this research, case studies are presented to help readers better understand the applicable strategy and standards. A discussion and a review of PSV performance degradation and failure are summarized to provide a better understanding of varied process applications and conditions, including fluid flow dynamics, boundary-layer formation and pressure drops, gas bubble formation and collapse, geometric configurations, inlet/outlet piping, abrupt pressure fluctuations, and acoustic resonance. Moreover, this study discusses the servicing and testing of PSVs in a multiphase pressurized system. Overall, it provides a basic overview of how PSVs ensure the safety of pressurized systems, supported by case studies and industrial practices.

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Section: Case Studies: Plant-level Accidents Due To Psv Failurementioning

confidence: 99%

Sizing and Selection of Pressure Relief Valves for High-Pressure Thermal–Hydraulic Systems

Bhowmik,

Sabharwall

2023

Processes

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“…In caviation, aside being the best method for oxidizing organic contaminants, the collapse energy of the system facilitates the complete destruction of the cell structure of bacterial and other microorganisms in the wastewater. This has been shown to be more effective in drying of biomas and biogas production thereby enhancing wastewater treatment operations (Tandiono et al, 2020). Results have shown that hydrodynamic caviation can disrupt over 90% bacteria Escherichia coli in 5 min.…”

Section: Caviationmentioning

confidence: 99%

Recent advances in Shrimp aquaculture wastewater management

Iber

Kasan

2021

Heliyon

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“…In terms of resource construction goals, the construction goals are complementary to the construction goals of water resources monitoring resources, and provide decision support for water resources monitoring resources [5][6]. According to the water environment monitoring resources construction goals, in terms of water resources monitoring resources construction goals, it requires water resources monitoring resources to meet the environmental quality monitoring and evaluation, national environmental emergencies monitoring and national water special monitoring requirements.…”

Section: Water Environment Monitoring Resources Construction Objectivesmentioning

confidence: 99%

“…According to the water environment monitoring resources construction goals, in terms of water resources monitoring resources construction goals, it requires water resources monitoring resources to meet the environmental quality monitoring and evaluation, national environmental emergencies monitoring and national water special monitoring requirements. In terms of the construction objectives of water resources monitoring resources need to achieve: (1) to realize the monitoring indicators of water resources monitoring resources and monitoring resources can be effectively monitored online and the monitoring results can be effectively analyzed [7][8]; (2) to realize online and timely uploading of monitoring indicators; (3) to realize multi-source monitoring data sharing of water resources monitoring resources and monitoring resources; (4) to realize automatic online prediction of monitoring indicators; (5 ) to realize automatic calculation of water quality indicators and automatic release of intelligent analysis results; (6) to meet the requirements of relevant national laws and regulations on water resources monitoring data sharing and analysis [9][10]. There is also a need to further strengthen and refine the construction goals of water resources monitoring resources.…”

Section: Water Environment Monitoring Resources Construction Objectivesmentioning

confidence: 99%

Water Pollution Source Management Resources Incorporating Microscopy Images and Clustering Algorithms

2021

WPPCP

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The main source of water resources in China is agricultural irrigation. With the increase of agricultural scale operation and agricultural mechanization, agricultural irrigation and water resources protection have become one of the main causes of current water environment pollution problems. Traditional water pollution source management methods have serious problems of resource waste and inefficiency. The main purpose of this paper is to integrate microscopic technology images and clustering algorithms to conduct research on the construction of water pollution source management resources. In this paper, we use microscopy technology and clustering algorithm to fuse high-resolution images with GIS data to classify water classes, land and rivers in the images into classes and construct a comprehensive remediation resource construction plan for polluted rivers. The results show that the water pollution source management resource construction scheme based on microscopic technology image and clustering algorithm can significantly improve the efficiency of water resources monitoring; at the same time, it can realize the use of higher resolution land water quality monitoring resources; realize the low investment and operation cost of water pollution source management.

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An experimental study of gas nuclei-assisted hydrodynamic cavitation for aquaculture water treatment

Cited by 6 publications

References 36 publications

Sizing and Selection of Pressure Relief Valves for High-Pressure Thermal–Hydraulic Systems

Sizing and Selection of Pressure Relief Valves for High-Pressure Thermal–Hydraulic Systems

Recent advances in Shrimp aquaculture wastewater management

Water Pollution Source Management Resources Incorporating Microscopy Images and Clustering Algorithms

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