Next Article in Journal
A Detailed Assessment of Groundwater Quality in the Kabul Basin, Afghanistan, and Suitability for Future Development
Previous Article in Journal
Effect of Soluble Salt Loss via Spring Water on Irrigation-Induced Landslide Deformation
Open AccessArticle

Sediment-Containing Sewage Separation Using Intermittent-Discharge Columnar Hydrocyclones

College of Mechanical & Electronic Engineering, Shandong University of Science and Technology, Qingdao 266590, China
*
Author to whom correspondence should be addressed.
Water 2020, 12(10), 2883; https://doi.org/10.3390/w12102883
Received: 14 August 2020 / Revised: 30 September 2020 / Accepted: 14 October 2020 / Published: 16 October 2020
(This article belongs to the Section Wastewater Treatment and Reuse)
Traditional hydrocyclones can be used for the concentration of sewage-containing sediments, but the low underflow concentration and the high content of fine particles result in a large subsequent dehydration workload. This study aimed to investigate the effect of columnar hydrocyclone column height on separation performance and the change in the internal flow field after the underflow orifice of the hydrocyclone was closed, so as to provide a theoretical basis for improving the ability to treat the sewage of the hydrocyclone. Numerical simulation was used to examine the change in the separation performance of the hydrocyclone and the effect of column height on the separation performance of the hydrocyclone in the case of the closed underflow orifice during intermittent discharging. The results indicate that a proper increase in column height was beneficial to improve the separation performance of the hydrocyclone. With the increase in the closing time of the underflow orifice, the particle content at the bottom of the hydrocyclone increased significantly. The experiment proves the feasibility of the intermittent discharge method in practice, and this working method can effectively increase the underflow concentration. View Full-Text
Keywords: columnar hydrocyclone; intermittent discharging; numerical simulation; separation performance columnar hydrocyclone; intermittent discharging; numerical simulation; separation performance
Show Figures

Figure 1

MDPI and ACS Style

Zhang, Y.; Yang, M.; Liu, P. Sediment-Containing Sewage Separation Using Intermittent-Discharge Columnar Hydrocyclones. Water 2020, 12, 2883. https://doi.org/10.3390/w12102883

AMA Style

Zhang Y, Yang M, Liu P. Sediment-Containing Sewage Separation Using Intermittent-Discharge Columnar Hydrocyclones. Water. 2020; 12(10):2883. https://doi.org/10.3390/w12102883

Chicago/Turabian Style

Zhang, Yuekan; Yang, Meng; Liu, Peikun. 2020. "Sediment-Containing Sewage Separation Using Intermittent-Discharge Columnar Hydrocyclones" Water 12, no. 10: 2883. https://doi.org/10.3390/w12102883

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop