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Phosphorus removal by microelectrolysis and sedimentation in the integrated devices

Bartosz Libecki Tomasz Mikołajczyk
Archives of Environmental Protection | 2021 | vol. 47 | No 1 | 3-9 | DOI: 10.24425/aep.2021.136442
Keywords ZVI phosphorus removal microelectrolysis coagulator
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Abstract

This paper presents the results of tests performed on an installation with an aerated microelectrolytic bed (MEL-bed) and sludge sedimentation. The systems were designed in two versions, differing in the aeration method, i.e., a mechanically aerated coagulator (MAC) and an automatically aerated coagulator (AAC). The experiment demonstrated a high (approx. 84%) efficiency of phosphorus removal from a model solution for both versions. The corroding bed was the source of iron in the solution. In the initial phase aeration method affected the phosphorus removal rate, flocculation and sedimentation processes. Physical and chemical changes in the MEL-bed packing were observed.
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Authors and Affiliations

Bartosz Libecki
1
ORCID: ORCID
Tomasz Mikołajczyk
1
ORCID: ORCID
  1. Department of Chemistry, Faculty of Environmental Management and Agriculture, University of Warmia and Mazury in Olsztyn, Poland

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