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One of the methods to increase the effectiveness of phosphorus removal in Sequencing Batch Reactors (SBR) is the application of Volatile Fatty Acids (VFAs). Effectiveness of their activity changes depending on the application period. The aim of the study was to determine in the dynamic conditions the effect of acetic, propionic and butyric acids on the kinetics of orthophosphate release and uptake,...
The possibility of an electromagnetic field (EMF) influencing the intensification of phosphorus (P) and organic compound (COD) removal from domestic wastes was investigated. The impact of an EMF as the only factor or as an intensifying element in steel packing systems that limits pollutant concentrations in the treated wastes was analysed. The research was conducted in three stages in a static system...
We investigated an effect of the direct impact of a constant magnetic field on wastewater properties modification. Wastewater from two sources (differing in physical and chemical properties) was used in the experiment. Analyses regarded the impact of a constant magnetic field on the properties of wastewater prepared from powdered milk and on the composition of sewage taken directly from municipal...
The feasibility of magnetic field was examined as a factor affecting sludge conditioning intensification. In the experiment sludge after preliminary anaerobic digestion was used, coming from a domestic wastewater treatment plant. Digested sludge was taken directly from a fermentation tank. The experiment was run in three phases. They were performed on a laboratory scale, at various experimental stands...
This paper characterizes the influence of a wastewater treatment plant with activated sludge aerated by CELPOX devices on the microbiological properties of the air at the plant grounds and in the vicinity. Field studies by the sedimentation method were carried out in seven measurement series in 2001. Sampling posts were each time set with regard to the current meteorological conditions like wind speed...
This paper presents the results of an experiment on the use of diatomite from beer breaking, as a filtration agent in wastewater sludge dewatering. Results of the study have allowed us to conclude that it may be one of the practical ways to dispose of this troublesome waste product.
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