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Efficiency of the Installation to Treatment of Outflow from the Hybrid Constructed Wetland System and Possibility of Reuse of Treated Wastewater in the Household

Myka-Raduj Anna, Siwiec Tadeusz, Rybczyńska-Tkaczyk Kamila, Raduj Waldemar, Jóźwiakowski Krzysztof

Advances in Science and Technology. Research Journal

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2024

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Vol. 18, no 4

296--311

EN

The purpose of this study was to determine the effectiveness of the operation of a novel installation for treating the outflow from a hybrid constructed wetland system and the possibility of domestic wastewater reuse. The study was carried out in 2022-2023 at a facility located in the Polesie National Park (PNP) in Poland. The analyzed installation for the treatment of wastewater discharged from the constructed wetland system is located in the basement of a single-family building and consists of a filtration system including: yarn, spun and carbon filters, and a UV lamp. In turn, the hybrid constructed wetland system from which the treated wastewater is recycled to the building consists of a 2-chamber primary settling tank and a system of two VF-HF type beds with common reed and willow. During the study period (October 2022 to December 2023), 14 series of analyses were performed, during which the values of selected physico-chemical and microbiological indicators were determined in the collected samples of treated wastewater. On the basis of the performed tests, it was found that the analyzed system provided an average efficiency of reduction of total suspended solids and BOD5 at 46.8 and 45.8%, respectively. Smaller effects were obtained for the reduction of COD (22.7%), total nitrogen (4.9%) and total phosphorus (16.3%). In contrast, the average reduction effects of microbiological indicators were very high, amounting to 92.7 and 97.1% for Escherichia coli and enteroccocus bacteria, respectively. The study showed that the effluent flowing out of the hybrid constructed wetland system after treatment in the analyzed installation could be reused for toilet flushing or green watering, as it usually did not contain microbiological contaminants. It was determined that the recycled treated wastewater could replace, on average, 18.7% of the good-quality water supplied by the mains water supply in the studied household.

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Assessment of the Effectiveness of Soil Reclamation Techniques Degraded by the Sulfur Industry

Bik-Małodzińska Marta, Żukowska Grażyna, Paśmionka Iwona, Rybczyńska-Tkaczyk Kamila, Jakubczyk Anna

Advances in Science and Technology. Research Journal

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2022

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Vol. 16, no 5

324--334

EN

This article shows the results assessment of the impact of various reclamation methods with the use of mineral wool and municipal sewage sludge on chemical and biological indicators, which have an impact on the improvement of the quality of soil degraded by sulfur well mining. The results of the research showed that the type of waste together with it application method, had a beneficial effect on the shaping of the chemical and biological properties of soil. The most favorable effect was noted in the conditions of combining mineral wool with sewage sludge. At this work we used the PHYTOTOXIKIT biological test, as an indicator of the ecotoxicological effect of selected waste added, for the efficiency of the soil remediation process.

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The Influence of Household Wastewater Treatment Plants with Drainage System on the Quality of Groundwater in the Lublin Province, Poland

Jóźwiakowski Krzysztof, Marzec Michał, Listosz Agnieszka, Gizińska-Górna Magdalena, Micek Agnieszka, Pytka Aneta, Pochwatka Patrycja, Rybczyńska-Tkaczyk Kamila

Journal of Ecological Engineering

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2021

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Vol. 22, nr 3

18--39

EN

The work presented the assessment of household wastewater treatment plants with drainage systems on the quality of groundwater in dug wells and deep water wells in the area of 3 selected communes (Drelów, Dębowa Kłoda and Urszulin), located in the Lublin province in south-eastern Poland. The investigations of the physicochemical composition of water from selected 28 dug wells and 2 deep water wells were conducted from June to July 2020, involving 9 measurement series. The microbiological studies consisted in 4 measurement series. The composition of the wastewater from primary settling tanks discharged to soil via drainage systems located in the vicinity of considered wells was also examined on a single occasion. The studies indicate that the water from wells are significantly polluted with ammonia, nitrites, as well as compounds of natural origin: iron and manganese. The presence of microbiological pollution of fecal origin was noted. The studies clearly indicate the possible pollution of the analyzed well waters with domestic sewage discharged to soil via drainage systems. Therefore, it necessary to take the actions aimed at improving the quality of groundwater in the Lublin province, including limitation of drainage systems, especially in the areas with unfavorable subsurface and hydrological conditions as well as low water supply coverage. The need to introduce changes in legal regulations and strategies for the development of technical infrastructure in counties, favoring the most efficient, as well as simple and inexpensive technologies, was indicated.

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Assessment of The Influence of Anthropogenic Pollution on Water Quality of the Ciemięga River

Jóźwiakowski Krzysztof, Listosz Agnieszka, Micek Agnieszka, Marzec Michał, Gizińska-Górna Magdalena, Rybczyńska-Tkaczyk Kamila, Bohacz Justyna, Wójcik Mateusz, Brodowska Natalia

Journal of Ecological Engineering

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2021

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Vol. 22, nr 5

143--155

EN

The aim of this paper was to evaluate the influence of anthropogenic pollution on the water quality of the Ciemięga River, which flows through the Jastków commune, located in the Lublin Province in the South-Eastern Poland. The analyses of the river water were conducted in the years 2019–2020. Each year, the samples for physicochemical analyses were collected seasonally (in February, May, August and November) from the seven selected Ciemięga River sampling points found in the following localities: Ożarów, Moszenki, Sieprawice, Jastków, Snopków and Jakubowice Konińskie. In addition, 3 series of microbiological analysis were conducted in 2020. Electrolytic conductivity, total phosphorus, nitrate-nitrogen and sulfates constituted the physicochemical indicators of poor water quality in the river. Their average values exceeded the standards for the 2nd class of water quality. High concentration of these indicators, especially of the total phosphorus, could have been related to the influx of domestic wastewater from agricultural holdings, wastewater flows from agricultural areas as well as soil erosion and leaching. The levels of E. coli bacteria and fecal coliform allocated the Ciemięga River waters to the 4th class of water quality and could result from domestic wastewater flow to the river. In order to improve the water quality of the Ciemięga River, it is necessary to reduce or eliminate point and non-point sources of pollution by means of streamlining of the agricultural areas fertilization, regulating the water and wastewater management, regulating of the waste management, as well as the appropriate spatial policy and landscaping of the water catchment areas.