Automated batch settling column with vibrated rods and evaluation protocol for living waters mud thickening

József Faitli

doi:10.14232/analecta.2020.2.50-60

Authors

József Faitli University of Miskolc, Institute of Raw Material Preparation and Environmental Processing, Hungary https://orcid.org/0000-0002-4037-5208

DOI:

https://doi.org/10.14232/analecta.2020.2.50-60

Keywords:

batch settling test (BST), free - hindered and zone settling, mud thickening, tank - lamella and vibrated rod thickener

Abstract

Gravity solid-liquid phase separation is applied in minerals industries, waste water treatment, filtration, sewage, drinking water, ocean (water) engineering, dredging, environment and biotechnology. The healthy nation of freshwaters like Lake Balaton and River Bodrog can be maintained by regular mud dredging. The on-water pure mechanical mud thickening would be a really beneficial technology. A new automated batch settling column with vibrated rods had been developed and fundamental tests had been carried out with model materials (glass sand) and muds (Siofok, Tihany, Tokaj). A numerical evaluation protocol with spline interpolation and derivation had been developed by with simple key parameters were determined. Results can be used for the design of a new type of thickener called the rod-lamella thickener.

Downloads

Download data is not yet available.

References

Garmsir M.R. and Haji Amin Shirazi H.: A new approach to define batch settling curves for analyzing the sedimentation characteristics. JOURNAL OF MINING & ENVIRONMENT, Vol.3, No.2, pp. 103-111. (2012)

Concha F., Barrientos A.: A Critical Review of Thickener Design Methods. KONA POWDER AND PARTICLE JOURNAL Vol. 11. pp. 79-104. (1993)

Vesilind P.A.: Design of prototype thickeners from batch settling tests. WATER AND SEWAGE WORKS 115: pp. 302-307. (1968)

Balbierz P. and Rucka K.: Sludge settling characterization for the mathematical modelling of sidestream treatment processes. 9th Conference on Interdisciplinary Problems in Environmental Protection and Engineering EKO-DOK, E3S Web of Conferences 17, 00003 (2017)

Elena Torfs et al.: Experimental Methods In Wastewater Treatment. Edited by van Loosdrecht M.C.M., Nielsen P.H., Lopez-Vazquez C.M. and Brdjanovic D. (eBook) Published by IWA Publishing, London, UK (2016)

Xu, S., Sun, R., Cai, Y. et al.: Study of sedimentation of non-cohesive particles via CFD–DEM simulations. GRANULAR MATTER 20, 4 (2018) https://doi.org/10.1007/s10035-017-0769-7

Csőke B., Bőhm J., Antal G., Faitli J.: Számítógéppel támogatott mérési és tervezési eljárás zagysűrítők méretezésére. (Computer aided measurement and design method for slurry thickeners design) GÉP 46: Vol. 2. pp. 34-39. (1994)

Bőhm J., Debreczeni Á., Faitli J., Gombkötő I., Meggyes T.: High-concentration hydraulic transport of tailings. LAND CONTAMINATION AND RECLAMATION 15: 2, pp. 195-217. (2007) https://doi.org/10.2462/09670513.853

Faitli J., Gombkötő I.: Some technical aspects of the rheological properties of high concentration suspensions to avoid environmental disasters. JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT 23: 2, pp. 129-137. (2015) https://doi.org/10.3846/16486897.2015.1021698

Faitli J.: Continuity theory and settling model for spheres falling in non-Newtonian one- and two-phase media. INTERNATIONAL JOURNAL OF MINERAL PROCESSING 169: 1, pp. 16-26. (2017) https://doi.org/10.1016/j.minpro.2017.09.010