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Grant support

The financial support for this research was provided by Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES), Brazil.

Analysis of institutional authors

Morita, Alice K MCorresponding Author

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July 3, 2023
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Fiber filter built with polypropylene fibers applied to water clarification

Publicated to:Water Science and Technology-Water Supply. 19 (4): 1036-1043 - 2019-06-01 19(4), DOI: 10.2166/ws.2018.150

Authors: Morita, Alice K. M.; Reali, Marco A. P.;

Affiliations

Univ Sao Paulo, Dept Hydraul & Sanitat, Sao Carlos Sch Engn, EESC, Ave Trabalhador Sao Carlense 400, BR-13560250 Sao Carlos, SP, Brazil - Author

Abstract

Flexible fiber filters are recently developed modular filtration units which have been applied to wastewater and water treatments, satisfactorily removing solids even when operated at high application rates. In this paper, polypropylene fibers, in lieu of the commonly used polyamide fibers, were tested for constructing filtration modules containing parallel fibers. The studied fibers were analyzed by means of scanning electronic microscopy and through solubility assays in hydrochloric acid and sodium hydroxide, aiming to evaluate the risks of using them as filtering media. Three polypropylene filters with different lengths (25, 60, and 100 cm) were constructed and fed with the same raw synthetic water. In-line coagulation was applied by addition of aluminum sulfate (22.5 mg.L-1) and filtration rates from 20 to 80 m.h(-1 )were evaluated. Filtrates with less than 0.5 NTU could be produced by both 60 and 100 cm filters, operating at 80 m.h(-1). High filtration rates, as well as significant backwashing water and air flows, could be applied to flexible fiber filters made of polypropylene, which shows their promising applications.

Keywords

Deep bed fiber filtrationFlexible fiber filterMediaPolypropylenePretreatmentWater clarification

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Water Science and Technology-Water Supply, and although the journal is classified in the quartile Q4 (Agencia WoS (JCR)), its regional focus and specialization in Environmental Sciences, give it significant recognition in a specific niche of scientific knowledge at an international level.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-07-16:

  • WoS: 5
  • Scopus: 7

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-16:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 9 (PlumX).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Brazil.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (MARTINS MORITA, ALICE KIMIE) .

the author responsible for correspondence tasks has been MARTINS MORITA, ALICE KIMIE.