Removal of microbes from municipal wastewater effluent by rapid sand filtration and subsequent UV irradiation. (Record no. 52598)

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control field 20250625162412.0
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-18446
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245 10 - TITLE STATEMENT
Title Removal of microbes from municipal wastewater effluent by rapid sand filtration and subsequent UV irradiation.
490 0# - SERIES STATEMENT
Volume/sequential designation Water Science & Technology, 47(3), p.157-162., 2003
520 3# - SUMMARY, ETC.
Summary, etc. The elimination of wastewater microbes is often necessary when effluent receiving waters are reused for different purposes e.g. for irrigation or as a raw water source of drinking water. In the present study, rapid sand filtration (SF)combined with the use of polyaluminium chloride coagulation was used as a pre-treatment to improve the quality of wastewater effluent before further treatment with UV irradiation. Pilot-scale experiments were run in four treatment plants in Finland. Treatment performance was followed by measuring physical and microbial parameters. Rapid sand filtration reduced suspended solids, turbidity and colour of effluents by about 90 percent, 70-80 percent and 20-50 percent respectively. It also improved the UV transmittance of water by up to 20 percent. Microbes and phosphorus were reduced by 90-99 percent and to 0.05 mg/L respectively. UV irradiation further reduced the number of microbes up to 99.9 percent. The efficiency of UV doses in pilot UV reactors was confirmed with collimated-beam device determinations and with added FRNA phages. More than 99.9 percent reduction of MS2 was achieved with the dose of 140mWs/cm2 in pilot UV reactors. Rapid sand filtration and the subsequent UV irradiation reduced the number of all the tested microbes to a low level, often below the detection limit. Suspended solids and the water turbidity were reduced to 1-2 mg/L and ~1 NTU respectively.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element AGRICULTURE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element BACTERIA
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ISOLATION & PURIFICATION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CONSERVATION OF NATURAL RESOURCES
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element FILTRATION
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Rajala, R. L.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pulkkanen, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Pessi, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Heinonen-Tanski, H.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1YDbuBolkhP2niN7ajKzViqABMvXTI9m4/view?usp=drivesdk">https://drive.google.com/file/d/1YDbuBolkhP2niN7ajKzViqABMvXTI9m4/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-18446 25.06.2025 25.06.2025 Documentos solicitados