Wyniki wyszukiwania - BazTech

1

Kontrola szamb w gminie

Bujny Jędrzej

Przegląd Komunalny

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2024

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nr 4

50--52

PL

Z początkiem sierpnia upływa termin, do którego gminy mają zakończyć kontrolę i spis szamb oraz przydomowych oczyszczalni na swoim terenie. Czasu zostało zatem niewiele.

2

Nitrogen compounds in effluents from a septic tank

Pawlak Maciej, Makowska Małgorzata, Spychała Marcin, Chmielowski Krzysztof

Environment Protection Engineering

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2024

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Vol. 50, nr 1

161--174

EN

The paper presents the results of long-term studies on the concentrations of total nitrogen and ammonium nitrogen in a septic tank effluent. A statistical analysis concerning the sampling day and the season was performed. The mean concentration of total nitrogen in the effluent was 47±9 g N/m3 and the mean concentration of ammonium nitrogen was 33±11 g N/m3. Results on the cumulative distributions of total nitrogen and ammonium nitrogen in the outflow from the septic tank have also been presented.

3

Krótka historia przydomowych oczyszczalni ścieków

Urbaniak Aleksandra, Ginter-Kramarczyk Dobrochna, Kruszelnicka Izabela

Wodociągi - Kanalizacja

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2021

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nr 10

40--43

4

Investigations on the effectiveness of wastewater purification in medium sand with assisting clinoptilolite layer

Kalenik Marek, Chalecki Marek

Environment Protection Engineering

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2019

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Vol. 45, nr 2

117--126

EN

Model investigations of wastewater purification were carried out in a medium sand bed with an assisting natural clinoptilolite layer 0.10 or 0.25 m thick. The effectiveness of wastewater purification related to basic qualitative parameters was in accordance with the Polish standards on sewage disposal into grounds and surface water. Medium sand soil bed with the assisting natural clinoptilolite layer 0.25 m thick showed on average the removal efficiency regarding TSS higher by 3.3%, total nitrogen by 29.3%, total phosphorus by 25.9%, reduction efficiency regarding BOD5 by 1.1% and COD by 15.9% than that with the thinner clinoptilolite layer. The investigations confirmed that natural clinoptilolite with the granulation 1-5 mm can be used to enhance the removal of nitrogen and phosphorus compounds from wastewater with the application of infiltration drainage. However, very good effect of the TSS removal from the wastewater in the investigated soil beds can lead to their fast clogging under the infiltration drainage. Septic tanks should be designed in such a way that they retain as much TSS as possible, e.g., multi-chamber tanks instead of one-chamber ones.

5

Environmental life cycle assessment of septic tanks in urban wastewater system : a case study for Poland

Burchart-Korol Dorota, Zawartka Paweł

Archives of Environmental Protection

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2019

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Vol. 45, no. 4

68--77

EN

Results of life cycle inventory (LCI) and life cycle assessment (LCA) for septic tanks collecting domestic sewage were presented. The study included the whole life cycle: construction, use and end-of-life stages of septic tanks. The analyses were conducted basing on actual data concerning performance of 793 septic tanks in Żory. Environmental impact assessment of the life cycle of septic tanks was conducted with TRACi and ReCiPe methods. Greenhouse gas (GHG) emission, eutrophication, fossil fuel depletion and metal depletion indicators were calculated and determinants of LCA of septic tanks were analysed. The system boundary was from cradle to grave. It was concluded that at the construction stage, GHG emission and fossil fuel depletion indicators are determined by the amount of concrete, steel, polyester resin, polyethylene, cast iron and PCV. At the use stage, GHG emission is determined by the amount and type of electricity used to treat sewage in a wastewater treatment plant (WWTP). Untreated wastewater, introduced into the environment (leaking tanks and users discharging sewage), is a determinant of influence on eutrophication. Life cycle inventory and environmental assessment of septic tanks with life cycle perspective are presented in the literature for the first time. The results highlight the importance of including each stage in the environmental assessment of elements of the urban wastewater system.

PL

Przedstawiono wyniki inwentaryzacji cyklu życia oraz oceny cyklu życia zbiorników bezodpływowych służących gromadzeniu ścieków bytowych w warunkach krajowych. Analizy obejmowały cały cykl życia: etap budowy, eksploatacji oraz etap wycofania z eksploatacji zbiorników bezodpływowych. Analizy zostały wykonane w oparciu o rzeczywiste dane dotyczące funkcjonowania 793 zbiorników bezodpływowych w Żorach. Ocena oddziaływania na środowisko została przeprowadzona metodą ReCiPe, oraz TRACI. Analizy obejmowały ocenę emisji gazów cieplarnianych, wpływu na eutrofizację, wyczerpania paliw kopalnych oraz metali. Granica systemu obejmowała cały cykl życia zbiorników. Stwierdzono, że na etapie budowy zbiorników emisje gazów cieplarnianych, wyczerpanie paliw kopalnych determinowane są ilością zużytego betonu, stali, żywicy poliestrowej, polietylenu, żeliwa i PCV Emisja gazów cieplarnianych na etapie eksploatacji zbiorników determinowana jest ilością i rodzajem zużytej energii elektrycznej do oczyszczenia ścieków na zbiorczej oczyszczalni. Determinantem wpływu na eutrofizację są ścieki nieoczyszczone trafiające do środowiska, spowodowane nieszczelnością zbiorników oraz niekontrolowanymi zrzutami ścieków przez użytkowników. Inwentaryzacja cyklu życia zbiorników bezodpływowych oraz ich ocena środowiskowa zostały przedstawione w literaturze po raz pierwszy. Uzyskane wyniki podkreślają znaczenie włączenia każdego etapu do oceny środowiskowej elementów systemu oczyszczania ścieków komunalnych.

6

Preliminary analysis of sewage management in Sokólski District

Skoczko I., Oszczapińska K.

Architecture Civil Engineering Environment

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2018

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Vol. 11, no. 4

179--184

EN

Rural areas, similar with the amount of produced sewage to urban areas, are rarely parts of agglomerations. Because of dispersed buildings and often poor infrastructure, sewage management regulation in rural areas can be difficult. Caring for the environment include aquatic environment protection. Sewage economy regulations, especially in rural areas, is a key issue in water contaminations counteracting. Often inappropriate sewage disposal and treatment methods choice could cause ecological imbalance and water pollution as the result. The aim of this paper was to evaluate water and sewage economy development in Sokólski District in Poland. In the study were used Central Statistical Office of Poland data from 2008-2016. There was considered cesspit and household sewage treatment plants amount and water and wastewater systems length. Also, sewage systems built in recent years and planned in the analysed area were considered. In recent years reducing trend in a number of cesspits was observed. In 2008-2016 there was an increase in a number of household sewage treatment plants by 919 and about 50 kilometres of the sewage system, while there were 400 cesspits less.

7

Domestic wastewater treatment facilities as an important component of the water and sewage management infrastructure in rural areas

Witkowska-Dąbrowska M.

Ekonomia i Środowisko

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2017

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nr 2

139--148

EN

The objective of the study has been to evaluate the current state of household wastewater and sewage discharge facilities available in rural areas, with special attention paid to domestic wastewater treatment plants. Considerable differences have been determined in the access to water and sewage management infrastructure in individual provinces in total and within rural areas. In the countryside, especially where houses are scattered, domestic wastewater treatment plants seem to be a good solution. By being a form of lasting investment, they can generate ecological and economic benefits over a longer period of time. The analyses showed a constant growth in the number of domestic wastewater treatment facilities, coinciding with a decrease in the number of septic tanks.

8

Impact of septic tank sludge on filter permeability

Spychała M., Nieć J.

Environment Protection Engineering

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2013

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Vol. 39, nr 2

77--89

EN

The aim of the study was to determine the filter cake permeability. The research was carried out on the excessive sludge flushed out from a septic tank. Two types of laboratory filters: filled with fine sand and made of geotextiles were used. The permeability of the filter cake was inversely correlated linearly to the accumulated organic solids. Based on applied organic solids, the related filter cake permeability time of filter failure can be predicted. The shortest failure time, not exceeding two years, may be recorded when filter cake development and clogging processes simultaneously take place in small-pore diameter filters and when the concentration of volatile solids is high.

9

Mikrobiologiczne wskaźniki skażenia sanitarnego gleby w okolicy przeciekającego zbiornika bezodpływowego na nieczystości ciekłe

Gajewska J., Wycech M., Wawrzyniec P., Sysa P.

Zeszyty Naukowe. Inżynieria Środowiska / Uniwersytet Zielonogórski

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2012

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nr 146 (26)

81-89

PL

Celem pracy było określenie wskaźników mikrobiologicznych pozwalających potwierdzić zjawisko nieszczelności szamba, przez skażenie pobliskiej gleby ściekami komunalnymi. Z próbek ścieków i gleby wyizolowano i zidentyfikowano kilka gatunków bakterii, stanowiących potencjalne sanitarne zagrożenie dla środowiska: Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa, Staphylococcus aureus, Clostridium difficile, Streptococcus uberis.

EN

The main purpose of this thesis was to determine the microbiological indicators confirm that the phenomenon of leakages cesspool, contamination of nearby soil by municipal sewage. In the sewage samples and the soil were isolated and identified several species of bacteria, representing a potential health hazard: Escherichia coli, Enterococcus faecalis, Pseudomonas aeruginosa, Staphylococcus aureus, Clostridium difficile, Streptococcus uberis.