Effects of Total Phosphorus and Orthophosphates Removal with the Method of Metals Solubilisation on Steel, Aluminium, and Mixed Media

Wysocka, Izabela; Krzemieniewski, M.

doi:10.2478/v10020-007-0057-9

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…However, metal ions are introduced into the wastewater as a result of spontaneous corrosion process and after transformations in the wastewater environment become responsible for the removal of phosphates. The best results were observed under anaerobic conditions using steel fillings [53]. When steel is exposed to wastewater, the electrochemical and biological corrosion process became very intensive.…”

Section: Resultsmentioning

confidence: 99%

Technological Effectiveness of Sugar-Industry Effluent Methane Fermentation in a Fluidized Active Filling Reactor (FAF-R)

Dębowski

Zieliński

2020

Energies

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Technological solutions allowing the increase of the technological efficiency of anaerobic methods of wastewater treatment are still under investigation. The weaknesses of these solutions can be limited by the use of active fillings. The aim of the present study was to determine the impact of fluidized active filling on the effectiveness of anaerobic treatment of sugar-industry effluent, the production efficiency and the qualitative composition of the biogas produced. High, comparable (p = 0.05) effluent treatment results were observed at tested organic load rates between 4.0 and 6.0 kg COD (Chemical Oxygen Demand)/m3·d. The COD removal rate reached over 74%, biogas yields ranged from 356 ± 25 to 427 ± 14 dm3/kg CODremoved and the average methane contents were approximately 70%. A significant decrease in effluent treatment efficiency and methane fermentation was observed after increasing the organic load rate to 8.0 kg COD/m3·d, which correlated with decreased pH and FOS/TAC (volatile organic acid and buffer capacity ratio) increased to 0.44 ± 0.2. The use of fluidized active filling led to phosphorus removal with an efficiency ranged from 64.4 ± 2.4 to 81.2 ± 8.2% depending on the stage. Low concentration of total suspended solids in the treated effluent was also observed.

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Section: Resultsmentioning

confidence: 99%

Technological Effectiveness of Sugar-Industry Effluent Methane Fermentation in a Fluidized Active Filling Reactor (FAF-R)

Dębowski

Zieliński

2020

Energies

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“…The process of removing phosphorus compounds by dissolving metals is based on assumptions similar to those of the electrocoagulation method. However, in this case, the metal ions enter the wastewater through the spontaneous corrosion process and become responsible for the removal of phosphates due to the changes in the wastewater environment [68]. The methods based on corrosion phenomena differ from the electrocoagulation method in that no external power source is required [69].…”

Section: Biogenic Compounds Removalmentioning

confidence: 99%

Application of Recycled Filling to Improve the Purification Performance of Confectionery Wastewater in a Vertical Anaerobic Labyrinth Flow Bioreactor

Dębowski,

Kazimierowicz,

Ignaciuk

et al. 2024

Energies

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Anaerobic wastewater treatment is, in many cases, a justified alternative to typical activated sludge processes, from a technological, economic, and ecological point of view. The optimisation of fermentation reactors is primarily concerned with increasing the biodegradation of organic compounds and biogas production, as well as improving efficiency in the removal of nitrogen and phosphorus compounds. The aim of the research was to determine the impact of using low-cost recycled filling on the efficiency of treating real confectionery wastewater in a vertical anaerobic labyrinth flow bioreactor. The experiments focused on selecting the organic loading rate that would allow for the effective biodegradation and removal of pollutants, as well as the efficient production of biomethane. It was found that the tested reactor can operate efficiently at a maximum organic loading rate (OLR) of 7.0–8.0 g of chemical oxygen demand (COD)/L·d. In this OLR range, high efficiency was guaranteed for both wastewater treatment and biogas production. However, increasing the OLR value to 8.0 g COD/L·d had a significant negative effect on the methane (CH4) content in the biogas. The most efficient variants achieved a biodegradation efficiency of around 90% of the organic compounds, a CH4 content of over 70% in the biogas, and a biogas yield of over 400 L/kg of COD removed. A significant influence of the applied OLR on the ratio of free organic acids (FOS) to total alkaline capacity (TAC) and pH was observed, as well as a strong correlation of these indicators with the specific biogas yield and CH4 content. The application of a solution based on the use of a hybrid system of anaerobic granulated sludge and an anaerobic filter resulted in an efficient treatment process and an almost complete elimination of suspensions from the wastewater.

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Effects of Total Phosphorus and Orthophosphates Removal with the Method of Metals Solubilisation on Steel, Aluminium, and Mixed Media

Cited by 2 publications

References 4 publications

Technological Effectiveness of Sugar-Industry Effluent Methane Fermentation in a Fluidized Active Filling Reactor (FAF-R)

Technological Effectiveness of Sugar-Industry Effluent Methane Fermentation in a Fluidized Active Filling Reactor (FAF-R)

Application of Recycled Filling to Improve the Purification Performance of Confectionery Wastewater in a Vertical Anaerobic Labyrinth Flow Bioreactor

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