Znaczenie procesu dezynfekcji w zapewnieniu bezpieczeństwa mikrobiologicznego wody przeznaczonej do spożycia przez ludzi

Dymaczewski, Zbysław; Jeż-Walkowiak, Joanna; Michałkiewicz, Michał; Sozański, Marek

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Znaczenie procesu dezynfekcji w zapewnieniu bezpieczeństwa mikrobiologicznego wody przeznaczonej do spożycia przez ludzi

Autorzy

Dymaczewski Zbysław , Jeż-Walkowiak Joanna , Michałkiewicz Michał , Sozański Marek

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Warianty tytułu

Role of disinfection process in ensuring microbiological safety of drinking water

Języki publikacji

Abstrakty

Przedstawiono genezę powstania i tradycję stosowania procesu dezynfekcji w systemach uzdatniania wody. Zwrócono uwagę na złożoność i trudności metodyczne dezynfekcji, zaznaczając, że jest ona jednocześnie podstawowym celem technologii uzdatniania wody, zapewniającym jej bezpieczną jakość mikrobiologiczną. Zaprezentowano nowe podejście do procesu dezynfekcji, wynikające z rozszerzenia funkcji i celów tego procesu, jako podstawy bezpieczeństwa jakości wody przeznaczonej do spożycia. Wykazano, że dezynfekcja powinna być integralnym elementem całego systemu zaopatrzenia w wodę, obejmującego zarówno technologię uzdatniania, jak i układ dystrybucji wody. Podejście takie wynika z miejsca dezynfekcji w systemie, jako ogniwa pośredniego między układem technologicznym a siecią wodociągową. Koncepcja ta zakłada wykorzystanie dezynfekcji również jako procesu monitorującego i diagnozującego bezpieczeństwo całego systemu uzdatniania i dystrybucji wody. Zwrócono też uwagę na zadania badawcze towarzyszące projektowaniu i eksploatacji procesu dezynfekcji, w połączeniu z wiarygodną oceną biologicznej stabilności wody w sieci wodociągowej. Przeanalizowano kryteria metodyczne procesu dezynfekcji, wpływające na wybór chemicznych utleniaczy, ich dawek, czasu kontaktu, miejsc dawkowania, a także identyfikację i ograniczanie powstawania produktów ubocznych.

The paper discusses the origins and tradition of disinfection process application in water treatment systems paying special attention to its complexity and methodological problems. Disinfection was presented as the main objective of water treatment technology that guarantees safe microbiological water quality. A new approach to the process of disinfection was proposed as a result of the expansion of its functions and objectives as a foundation for drinking water quality safety. It was demonstrated that disinfection should become an integral part of the whole water supply system, comprising both water treatment technology and distribution system. Such an approach results from the position of disinfection process in the system, as an indirect link between the technological system and distribution network. The concept also assumes use of disinfection to monitor and diagnose safety of the water supply system as a whole. Attention was also paid to the research tasks accompanying design and operation of the disinfection process in combination with a reliable evaluation of biological water stability in water networks. The article presents the analysis of methodological criteria of the disinfection process affecting chemical oxidant and dose selection, contact time, dosing site location as well as by-product identifi cation and reduction in their formation.

Słowa kluczowe

uzdatnianie wody dezynfekcja produkty uboczne dezynfekcji biologiczna stabilność wody monitoring

water treatment disinfection disinfection by-products biological water stability monitoring

Wydawca

Polskie Zrzeszenie Inżynierów i Techników Sanitarnych, Oddział Dolnośląski

Czasopismo

Ochrona Środowiska

Rocznik

2019

Tom

Vol. 41, nr 1

Strony

3--9

Opis fizyczny

Bibliogr. 63 poz., rys., wykr.

Twórcy

autor

Dymaczewski Zbysław

autor

Jeż-Walkowiak Joanna

autor

Michałkiewicz Michał

autor

Sozański Marek

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).

Typ dokumentu

Bibliografia

Identyfikator YADDA

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