scholarly journals On the issue of the feasibility of using modern technologies for biological phosphorus removal in low-capacity wastewater treatment plants

2021 ◽  
Vol 937 (4) ◽  
pp. 042054
Author(s):  
Ivan Kulik ◽  
Elena Shuckaya

Abstract The article discusses the basic principles of wastewater treatment from biogenic elements, provides the necessary conditions for the biological removal of phosphorus compounds. The technology of pre-fermentation of the sediment of primary sedimentation tanks, options for its design, the main parameters of the process are described. Specific aspects of the operation of low-capacity wastewater treatment facilities are indicated and the expediency of using the technology of biological phosphorus removal in them is considered.

2018 ◽  
Vol 178 ◽  
pp. 09021 ◽  
Author(s):  
Nina Zaletova ◽  
Sergey Zaletov ◽  
Ivan Bulychev

The purpose of studies was to assess the potential effectiveness of phosphorus compounds removal from waste water by biological method. Phosphorus removal is very important because of strict standards to phosphate concentration in effluent. But removal of phosphorus by chemical method requires a lot of reagents. Moreover objectives of research were to determine actual efficiency of the biological phosphorus removal. The study shows that under certain technological parameters of biological treatment it is possible to meet strict requirement phosphate removal. This technology can be implemented on existing wastewater treatment plants. The technology of biological phosphorus removal can be combined with the technology of nitrification and denitrification.


2002 ◽  
Vol 46 (1-2) ◽  
pp. 123-128 ◽  
Author(s):  
J.L. Zilles ◽  
C.-H. Hung ◽  
D.R. Noguera

The objective of this research was to assess the relevance of organisms related to Rhodocyclus in enhanced biological phosphorus removal in full-scale wastewater treatment plants. The presence of these organisms in full-scale plants was first confirmed by fluorescent in situ hybridization. To address which organisms were involved in phosphorus removal, a method was developed which selected polyphosphate-accumulating organisms from activated sludge samples by DAPI staining and flow cytometry. Sorted samples were characterized using fluorescent in situ hybridization. The results of these analyses confirmed the presence of organisms related to Rhodocyclus in full-scale wastewater treatment plants and supported the involvement of these organisms in enhanced biological phosphorus removal. However, a significant fraction of the polyphosphate-accumulating organisms were not related to Rhodocyclus.


2001 ◽  
Vol 44 (1) ◽  
pp. 49-56 ◽  
Author(s):  
M. Wichern ◽  
F. Obenaus ◽  
P. Wulf ◽  
K.-H. Rosenwinkel

In 1999 the Activated Sludge Model no. 3 (ASM 3) by the IWA task Group on Mathematical Modeling for Design and Operation of Biological Wastewater Treatment was presented. The model is used for simulation of nitrogen removal. On the basis of a new calibration of the ASM 3 with the easy degradable COD measured by respiration simulation runs of this paper have been done. In 2000 a biological phosphorus removal module by the EAWAG was added to the calibrated version of ASM 3 and is now serving the current requirements for modelling the enhanced biological P-removal. Only little experiences with different load situations of large-scale wastewater treatment plants were made with both new models so far. This article reports the experiences with the simulation and calibration of the biological parameters using ASM 3 and the EAWAG BioP Module. Three different large-scale wastewater treatment plants in Germany with different treatment systems will be discussed (Koblenz: pre-denitrification; Hildesheim: simultaneous denitrification with EBPR; Duderstadt: intermediate denitrification with EBPR). Informations regarding the choice of kinetic and stoichiometric parameters will be given.


1994 ◽  
Vol 29 (12) ◽  
pp. 13-21
Author(s):  
P. Schleypen

Full-scale investigations have demonstrated that wastewater lagoons combined with rotating biological contactors can be installed for denitrification without much effort when designed for nitrification. By recirculation of a mixture of nitrified wastewater and biological sludge from the outlet of the high loaded sedimentation tank back to the inlet of the sedimentation pond the removal efficiency was consistently high combined with a high process stability. In addition a considerable amount of enhanced biological phosphorus removal could be attained simultaneously.


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