Laser Granulometer as an Useful Tool for Selection of Appropriate Membranes Used in the MIEX®DOC-UF/MF Hybrid Process

• Autorzy: Rajca M. , Bray R. T. , Fitobór K. , Gołombek K.

Identyfikatory

DOI

10.24425/123786

• Języki publikacji: EN

Abstrakty

EN

In the study, particle size distribution of the MIEX^® resin was presented. Such analyses enable to determinate whether presence of fine resin fraction may be the reason for unfavorable membrane blocking during water purification by the hybrid MIEX^®DOC – microfiltration/ultrafiltration systems. Granulometric analysis of resin grains using the laser diffraction particle size analyzer (laser granulometer) was carried out as well as the microscopic analysis with scanning electron microscope. The following samples were analyzed: samples of fresh resin (a fresh resin – not used in water treatment processes) and samples of repeatedly used/regenerated resin that were collected to analysis during mixing and after sedimentation process. Particle size distribution was slightly different for fresh resin and for repeatedly used/regenerated resin. The grains sizes of fresh resin reached approximately 60 μm (d10), 120 μm (d50) and 220 μm (d90). Whereas the sizes of repeatedly used/regenerated resin were about 15 μm (d10), 40 μm (d50) and 115-130 μm (d90). The smallest resin grains sizes were in the range of 0.3-0.45 μm. This ensures that the ultrafiltration membranes retain all resin grains, even the smallest ones. Whereas the microfiltration membranes must be appropriately selected to guarantee full separation of the resin grains and at the same time to exclude a membrane pores blocking.

Słowa kluczowe

PL

ion exchange; MIEX® resin; water treatment; ultrafiltration; microfiltration; laser granulometer; SEM

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 3
• Strony: 1133--1140
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr.

Twórcy

autor

Rajca M.

• Silesian University of Technology, Institute of Water and Wastewater Engineering, Konarskiego 18, 44-100 Gliwice, Poland

autor

Bray R. T.

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, 11/12 Narutowicza Str., 80-233 Gdansk, Poland

autor

Fitobór K.

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, 11/12 Narutowicza Str., 80-233 Gdansk, Poland

autor

Gołombek K.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, 18 Konarskiego Str., 44-100 Gliwice, Poland

Bibliografia

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Uwagi

EN

1. Publication supported as a part of the Rector’s grant in the area of scientific research and development works. Silesian University of technology, No 08/040/RGJ/17/0064. This work was also supported by the Ministry of Science and Higher Education of Poland as the statutory financial grant of the Faculty of Mechanical Engineering, Silesian University of Technology.

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).