Design of hydrodynamic cavitation assisted intensified tertiary treatment unit for effective degradation of organic micropollutants in pharmaceutical industrial effluent: A Case study with triclosan

Mishra, Birupakshya; Mukherjee, Anupam; Mullick, Aditi; Bhandari, Vinay M.; Moulik, Siddhartha

doi:10.1016/j.jwpe.2022.103132

Cited by 8 publications

(2 citation statements)

References 56 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Liu Ying et al [12] demonstrated that the larger the pore diameter, the more intense the gas-liquid exchange inside and outside the hole, and the smaller the inclination angle of the hole, the more intense the cavitation. Mishra Birupakshya et al [13] discovered that the cavitation effect can be enhanced by rearranging the cavitation-producing holes within the device. The preceding materials demonstrate that the structural parameters of a rotating cavitator have an effect on the cavitation effect.…”

Section: Introductionmentioning

confidence: 99%

Optimization of rotor blind hole parameters for inner-hole rotary cavitator

Li,

Yang,

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

In order to study the cavitation characteristics of rotary cavitator and the optimization of blind hole parameters, this paper first deduces the blind hole geometric parameters (aperture, hole depth, and number of holes) that affect the cavitation effect, then uses a numerical simulation method to optimize the blind hole parameters that affect the cavitation effect based on the control variable method and gas phase contour. Using single factor analysis as the optimization criterion and gas phase volume as the optimization basis, the response surface method was applied to the multi-parameter optimization problem with interaction. The results indicate that the intensity of cavitation can be effectively increased by increasing the geometric dimensions of the blind holes’ diameter, depth, and number appropriately. On the other hand, the response surface method can be utilised to study the multi-parameter optimization problem in the multivariable system comprised of the geometric parameters of the blind hole of the cavitator rotor. This paper’s optimization research on the rotor parameters of inner-hole rotary cavitator provides a foundation and reference for future cavitator structure optimization research.

show abstract

Section: Introductionmentioning

confidence: 99%

Optimization of rotor blind hole parameters for inner-hole rotary cavitator

Li,

Yang,

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…It is commonly known that HC effects might be detrimental on solid surfaces and can cause material erosion [28,29]. However, HC has been successfully applied for the treatment of various types of industrial wastewater [30], removing emerging pollutants [18,31], polymer degradation [32], cell disruption [33] as well as for water disinfection [34]. It is worth investigating, if it will be useful in minimization of bacteriological contamination in treated municipal wastewater which discharged WWTPs.…”

Section: Introductionmentioning

confidence: 99%

An Application of Orifice Hydrodynamic Cavitation Reactor for Tertiary Treatment of Wastewater Treatment Plant Effluents

Szaja,

Montusiewicz,

Lebiocka

et al. 2023

Adv. Sci. Technol. Res. J.

View full text Add to dashboard Cite

In this paper, a multi-orifice hydrodynamic cavitator (HC) has been applied as an effective device for water reclamation. Municipal wastewater after mechanical and biological treatment has been applied as a medium. The effectiveness of using this device has been evaluated on the basis on the microbiological indicators. Moreover, optimization of operating parameters was evaluated. Two experiments with different inlet pressure of 0.4 and 0.6 MPa were performed. The samples for analyses were taken at the following time intervals: 0, 15, 30, 60 and 90 min. The application of HC reactor provided the effective destruction of microorganisms, thus allowing for subsequent use of reclaimed water. With regard to Escherichia coli and Coliform bacteria destruction, the longest time of 90 min and higher pressure of 0.6 MPa might be considered as the most advantageous conditions to perform cavitation. In both cases, the microbes were deactivated in over 50%. In the case of Enterococci, Pseudomonas aeruginosa and colony count, more beneficial results were found at lower pressure of 0.4 MPa and 90 min. Therein, the high level of microorganisms destruction was achieved varied between 81 and 92%. The applied HC allowed for selecting optimal operating parameters and process control through the application of gauge system.

show abstract