Impact of effective microorganisms bacteria on low-input sewage sludge treatment

Boruszko, Dariusz; Butarewicz, Andrzej

doi:10.37190/epe150407

Cited by 6 publications

(7 citation statements)

References 12 publications

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“…A very high concentration of ammonium nitrogen should be viewed as the main reason for this. (Table 2), similar values to household sewage treatment with constructed wetlands were achieved [10]. In the case of TN and NH 4 + -N, higher efficiency was observed mainly due to high concentration of nitrogen in reject water before treatment in SS VF and SS HF beds.…”

Section: Treatment Efficiency and Load Removalsupporting

confidence: 76%

“…The problem of reject water treatment in a conventional sludge activated system is caused by low biodegrability, indicated by proportions of easily biodegradable organic matter expressed by biochemical oxygen demand (BOD5) to total organic matter expressed by chemical oxygen demand (COD). Constructed wetlands are considered environmentally friendly technology [9][10][11]. They have been used worldwide for the treatment of municipal and industrial wastewater, as well as reject water from anaerobic sewage sludge digestion in municipal WWTPs and landfill leachate, which is also characterized by high NH4 + -N concentration [12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

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Modeling of Pollutants Removal in Subsurface Vertical Flow and Horizontal Flow Constructed Wetlands

Dąbrowski

Karolinczak

Malinowski

et al. 2019

Water

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Reject water is a by-product of every municipal and agro-industrial wastewater treatment plant (WWTP) applying sewage sludge stabilization. It is usually returned without pre-treatment to the biological part of WWTP, having a negative impact on the nitrogen removal process. The current models of pollutants removal in constructed wetlands concern municipal and industrial wastewater, whereas there is no such model for reject water. In the presented study, the results of treatment of reject water from dairy WWTP in subsurface vertical flow (SS VF) and subsurface horizontal flow (SS HF) beds were presented. During a one-year research period, SS VF bed reached 50.7% efficiency of TN removal and 73.8% of NH4+-N, while SS HF bed effectiveness was at 41.4% and 62.0%, respectively. In the case of BOD5 (biochemical oxygen demand), COD (chemical oxygen demand), NH4+-N, and TN (total nitrogen), the P-k-C* model was applied. Multi-model nonlinear segmented regression analysis was performed. Final mathematical models with estimates of parameters determining the treatment effectiveness were obtained. Treatment efficiency increased up to the specific temperature, then it was constant. The results obtained in this work suggest that it may be possible to describe pollutant removal behavior using simplified models. In the case of TP (total phosphorus) removal, distribution tests along with a t-test were performed. All models predict better treatment efficiency in SS VF bed, except for TP.

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Section: Treatment Efficiency and Load Removalsupporting

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Modeling of Pollutants Removal in Subsurface Vertical Flow and Horizontal Flow Constructed Wetlands

Dąbrowski

Karolinczak

Malinowski

et al. 2019

Water

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“…There was a constant, yet slight, nitrogen loss during its stabilization in the reed lagoon. It was described in earlier studies [Boruszko 2015;Peruzzi et al 2009]. A decrease in the nitrogen content in STRB-stabilized sludge is a result of the element uptake by plants and microbial conversions occurring around the root system (nitrification and denitrification).…”

Section: Results and Discusionmentioning

confidence: 72%

Changes of the Content of Heavy Metals and PAH’s in Sewage Sludge Treated with Reed Bed Lagoons

Boruszko¹

2018

J. Ecol. Eng.

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, low-input methods such as composting, vermicomposting, reed beds, willow energy and solar driers are increasingly often being used in the processing of sewage sludge. The northeastern part of Poland has operated successfully for years using these methods. This paper presents the results of using low-cost methods of sludge treatment in the wastewater treatment plant located in Zambrow, Podlaskie Province. The results of sewage sludge studies on the PAHs and heavy metals content after treatment in a reed bed system are presented. Among the 16 examined PAHs, the lowest concentration was obtained for the dibenz (a,h)anthracene. Not a single sample exceeded a concentration of 100 μg/kg d.m. The highest concentration was exhibited by fluoranthene, benzo(g,h,i)perylene and indeno(1,2,3-c,d)pyrene. The concentration of these compounds exceeded 1000 μg/kg d.m. The obtained results for the PAHs in sewage sludge from the reed lagoon at the treatment plant in Zambrow showed that the average content of PAHs studied was approximately 8300 µg/kg d.m. The lowest concentration, below 1.3 mg/kg d.m. of the seven heavy metals examined was obtained for mercury (Hg). On the other hand, the highest concentration, exceeding 1300 mg/kg d.m. was found in the case of zinc (Zn). The obtained results for the heavy metals in sewage sludge from the reed bed lagoons in Zambrow show that the average content of heavy metals studied is approximately 1620 mg/kg d.m. The results of the study demonstrate a high efficiency of the low-cost methods used in the Zambrów WWTP in terms of the quality of processed sludge. The sewage sludge from the lowest layer of the reed lagoon (13-14 years of dewatering and transformation) are characterized by the lowest PAHs and heavy metals content. The higher a sediment layer lies, i.e. the shorter the time of processing, the higher are the PAHs and content of heavy metals content. This indicates a great role of reeds in the accumulation of these compounds.

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“…O efeito de microrganismos seja sobre o aumento ou a diminuição da corrosão ocorre em superfícies colonizadas na presença de biofilmes (JUZELIUNAS et al, 2006). Neste ponto a dosagem de ME pode ser uma opção promissora complementar ao tratamento, uma vez que são apresentados por outros autores (BORUSZKO; BUTAREWICZ, 2015;HIGA;WIDIDANA, 1991;SAMPAOTONG, et al, 2016) sua atividade antimicrobiana sobre outros microrganismos.…”

Section: Matriz Resultados Referênciaunclassified

Pré-Tratamento De Água Do Mar Ao Sistema De Osmose Inversa Em Usinas Termelétricas

Xavier¹,

Yokoyama²,

Oliveira³

et al. 2019

Engenharia Ambiental E Sanitária: Interfaces Do Conhecimento 2

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Todo o conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons. Atribuição 4.0 Internacional (CC BY 4.0).O conteúdo dos artigos e seus dados em sua forma, correção e confiabilidade são de responsabilidade exclusiva dos autores. Permitido o download da obra e o compartilhamento desde que sejam atribuídos créditos aos autores, mas sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais.

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Impact of effective microorganisms bacteria on low-input sewage sludge treatment

Cited by 6 publications

References 12 publications

Modeling of Pollutants Removal in Subsurface Vertical Flow and Horizontal Flow Constructed Wetlands

Modeling of Pollutants Removal in Subsurface Vertical Flow and Horizontal Flow Constructed Wetlands

Changes of the Content of Heavy Metals and PAH’s in Sewage Sludge Treated with Reed Bed Lagoons

Pré-Tratamento De Água Do Mar Ao Sistema De Osmose Inversa Em Usinas Termelétricas

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