Community Composition and Abundance of Protozoa Under Different Concentration Of Nitrogen Compounds at “Hajdow” Wastewater Treatment Plant / Zbiorowiska Pierwotniaków I Ich Liczebność W Oczyszczalni Ścieków „Hajdów” Przy Różnych Stężeniach Związków Azotu

Jaromin-Gleń, Katarzyna; Babko, Roman; Łagód, Grzegorz; Sobczuk, H.

doi:10.2478/eces-2013-0010

Cited by 14 publications

(11 citation statements)

References 43 publications

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“…According to the received results, the quality of the activated sludge treatment plant in Sumy was indicated as "high" according to the maximum observed value of sludge biotic index (SBI = 10). It can be argued that the composition of prevailing in the number of ciliated protozoa and other organisms was similar as in the activated sludge from the advanced biological nutrient removing wastewater treatment plant Hajdow, Lublin [44,45]. Despite the fact that the activated sludge in WWTP Sumy was of high-quality, the introduction of energetic subsidies as additional quantities of primarily nitrogen and phosphorus compounds was not limited, which was recorded in the increased levels in the receiving river below sewage discharge, as well as by the increased BOD 5 .…”

Section: Resultsmentioning

confidence: 99%

Influence of Treated Sewage Discharge on the Benthos Ciliate Assembly in the Lowland River

Babko

Kuzmina

Suchorab

et al. 2016

Ecological Chemistry and Engineering S

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This paper presents results of the studies of ciliate assemblage in benthos of lowland river influenced by sewage discharged from the municipal wastewater treatment plant. During the presented research the 47 ciliate species, including 45 species from the benthos of the river and 18 from the activated sludge of aeration chamber were identified. Only two species registered in the activated sludge were not observed in the river. Against the background of the lowest number of species in the point located in the distance of 50 m below the discharge of sewage the maximum amount and biomass of these species were observed. Whereas, 200 m below the discharge the decrease in number and biomass of ciliate to the level noted for location before the discharge was observed. Thus, generalizing, one may state that influence of municipal WWTP sewage discharge for ciliate assemblage in the river's benthos was clearly visible but local.

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Section: Resultsmentioning

confidence: 99%

Influence of Treated Sewage Discharge on the Benthos Ciliate Assembly in the Lowland River

Babko

Kuzmina

Suchorab

et al. 2016

Ecological Chemistry and Engineering S

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“…The important measure of the quality of sewage treatment is a effectiveness of reduction ammonium [38][39][40][41]. From the beginning of the experiment, the treatment efficiency of wastewater added to the SBR was monitored by the reduction of N-NH 3 .…”

Section: Resultsmentioning

confidence: 99%

Bioindication assessment of activated sludge Adaptation in a Lab-Scale Experiment

Babko

Kuzmina

Jaromin-Gleń

et al. 2015

Ecological Chemistry and Engineering S

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The adaptation of activated sludge from the Hajdow sewage treatment plant in a laboratory SBR was studied. The structure of the ciliate assembly was considered as a criterion. 32 ciliate species were found during the experiment. The composition and changes in the ciliate community structure during the process of activated sludge adaptation was examined. In the process of adaptation, reduction was observed in the number of ciliate species together with an increase in assembly total abundance. The decrease in the Shannon diversity index and equitability index in the adaptation process was observed. In the process of adaptation, two states of ciliate assembly were marked out - unstable transient period and stable period. During the transient period, reduction of ammonium utilization efficiency down to 50% and its subsequent increase up to 80% in the stable period were observed. In the transient period, the Simpson dominance index remained low but increased in the stable period. At a temperature of 10°C, the transient period lasted from six to nine days. After the stabilization process, the diversity of the ciliate assemblage remained at a lower level. Rarefaction methods showed that the number of potential ecological niches of ciliate amounted to 30 in the adaptation period, whereas there were only 15-20 ecological niches in adapted sludge.

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“…The activated sludge used in the experiment was taken from a municipal WWTP in Lublin (southeastern Poland) with a wastewater flow rate of ∼65,000 m 3 d −1 (Jaromin‐Gleń et al, 2013). The sludge used in the experiments for inoculation of the laboratory bioreactors was taken from the external recirculation channel, and wastewater was collected from a primary settling tank outlet.…”

Section: Methodsmentioning

confidence: 99%

Short‐term Influence of Two Types of Drilling Fluids on Wastewater Treatment Rate and Eukaryotic Organisms of Activated Sludge in Sequencing Batch Reactors

et al. 2017

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This work presents the results of studies on the impact of spent drilling fluids cotreated with municipal wastewater on the rate of the wastewater treatment process and the structure of the community of eukaryotic organisms inhabiting an activated sludge. The studies were conducted under laboratory conditions in sequencing batch reactors. The effect of added polymer-potassium drilling fluid (DF1) and polymer drilling fluid (DF2) at dosages of 1 and 3% of wastewater volume on the rate of removal of total suspended solids, turbidity, chemical oxygen demand, and the content of total and ammonium nitrogen were analyzed, taking into account the values of these parameters measured at the end of each operating cycle. In addition to the impacts on the aforementioned physicochemical indices, the influence of drilling fluid on the biomass of various groups of eukaryotes in activated sludge was analyzed. The impact of the drilling fluid was highly dependent on its type and dosage. A noticeable slowdown in the rate of the wastewater treatment process and a negative effect on the organisms were observed after the addition of DF2. This effect intensified after an increase in fluid dose. However, no statistically significant negative changes were observed after the introduction of DF1. Conversely, the removal rate of some of the analyzed pollutant increased.

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Community Composition and Abundance of Protozoa Under Different Concentration Of Nitrogen Compounds at “Hajdow” Wastewater Treatment Plant / Zbiorowiska Pierwotniaków I Ich Liczebność W Oczyszczalni Ścieków „Hajdów” Przy Różnych Stężeniach Związków Azotu

Cited by 14 publications

References 43 publications

Influence of Treated Sewage Discharge on the Benthos Ciliate Assembly in the Lowland River

Influence of Treated Sewage Discharge on the Benthos Ciliate Assembly in the Lowland River

Bioindication assessment of activated sludge Adaptation in a Lab-Scale Experiment

Short‐term Influence of Two Types of Drilling Fluids on Wastewater Treatment Rate and Eukaryotic Organisms of Activated Sludge in Sequencing Batch Reactors

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