Environmental impact of two ways of treating domestic wastewater with an example of a conventional treatment plant versus plant-pond sewage treatment

• Autorzy: Kuczuk Anna , Pospolita Janusz , Kłosok-Bazan Iwona

Identyfikatory

DOI

10.34659/eis.2025.93.2.1187

Warianty tytułu

PL

Oddziaływanie środowiskowe dwóch sposobów oczyszczania ścieków bytowych na przykładzie oczyszczalni konwencjonalnej i roślinno-stawowej

• Języki publikacji: EN

Abstrakty

EN

One of the important metter of environmental care is effective sewage treatment. Centralised sewage treatment with high efficiency dominates in Poland. However, highly dispersed properties often require the use of other alternative solutions. The aim of the paper is to compare the impact of two sewage treatment methods on the environment: conventional (PWWTP) and plant-pond (PPST). To assess the operation of both treatment plants and their environmental impact, emergy calculation and emergy indicators such as ELR, EYR, and ESI were used. It was found that the PPST treatment plant burdens the environment less. The current operation of the conventional treatment plant absorbs over 87% of the total emergy, while in the case of the biological treatment plant it is 0.40%. ELR for PPST was 5.58, while for PWWTP it was as much as 1809.09. The efficiency of sewage treatment in both treatment plants is similar. BOD5 reduction was 87.5% for PPST and 96.7% for PWWTP. For both treatment plants, an attempt was made to identify other environmental benefits, such as the generation and use of by-products, the possibility of using treated sewage for irrigation purposes or creating a biodiversity site. An attempt was made to quantify some of the additional benefits.

PL

Jednym z istotnych elementów dbałości o środowisko jest skuteczne oczyszczanie ścieków. W Polsce dominuje scentralizowane oczyszczanie ścieków o dużej skuteczności. Jednak nieruchomości o dużym rozproszeniu często wymagają zastosowania innych alternatywnych rozwiązań. Celem pracy jest porównanie oddziałyływania na środowisko dwóch sposobów oczyszczania ścieków; konwencjonalnego (PWWTP) oraz stawowo-roślinnego (PPST). W ocenie działania obu oczyszczalni i ich środowiskowego oddziaływania wykorzystano rachunek emergetyczny oraz wskaźniki emergetyczne takie jak ELR, EYR, ESI. Stwierdzono, że oczyszczalnia PPST mniej obciąża środowisko. Bieżące funkcjonowanie oczyszczalni konwencjonalnej pochłania aż ponad 87% całości emergii, podczas gdy w przypadku oczyszczalni biologicznej jest to 0.40% całości emergii. ELR dla PPST wyniósł 5.58 podczas gdy dla PWWTP 1809.09. Skuteczność oczyszczania ścieków w obu oczyszczalniach jest zbliżona. Redukcja BZT5 wyniosła dla PPST 87.5%, a dla PWWTP 96.7%. Dla obu oczyszczalni dokonano próby identyfikacji innych, środowiskowych korzyści, jak np. wytwarzanie i wykorzystanie produktów ubocznych, możliwość wykorzystania oczyszczonych ścieków dla potrzeb nawadniania czy tworzenie miejsca różnorodności biologicznej. Podjęto próbę ilościowego oszacowania niektórych dodatkowych korzyści.

Słowa kluczowe

EN

emergy analysis; sewage treatment efficiency; conventional wastewater plant; plant-pond sewage treatment; environmental services

PL

analiza emergetyczna; efektywność oczyszczania ścieków; konwencjonalne oczyszczanie ścieków; roślinno-stawowe oczyszczanie ścieków; usługi ekosystemowe

• Wydawca: Polskie Stowarzyszenie Ekonomistów Środowiska i Zasobów Naturalnych
• Czasopismo: Economics and Environment
• Rocznik: 2025
• Tom: No. 2
• Strony: art. no. 1187
• Opis fizyczny: Bibliogr. 52 poz., rys., tab., wykr.

Twórcy

autor

Kuczuk Anna

• Opole University of Technology, Poland, Prószkowska Street 76, 45-758 Opole, Poland

• https://orcid.org/0000-0003-1947-6669

autor

Pospolita Janusz

• Opole University of Technology, Poland

• https://orcid.org/0000-0002-7256-0467

autor

Kłosok-Bazan Iwona

• Opole University of Technology, Poland

• https://orcid.org/0000-0003-1075-0174

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