Olga Kulesha

Olga Kulesha
Norwegian University of Life Sciences (NMBU) · Department of Mathematical Sciences and Technology (IMT)

PhD

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11
Publications
1,269
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35
Citations

Publications

Publications (11)
Article
Full-text available
Positive effects of retrofitting MBBR and IFAS systems into MBRs can be exploited by introducing chemical enhancement applying coagulants in the membrane separation step. The current study reports basic principles of chemical enhancement with aluminium sulphate coagulant in biofilm-MBR (Bf-MBR) based on results of total recycle tests performed at d...
Conference Paper
Full-text available
This work presents experimental proof of concept of membrane flux enhancement in biofilm ceramic membrane bioreactor applying poly-and monomeric inorganic coagulants as membrane fouling reducers, achieving maximum flux improvements by using polyaluminum chlorides. Mathematical models based on results of Total Recycle Tests with four coagulants demo...
Article
Full-text available
The membrane bioreactor (MBR) and the biofilm membrane bioreactor (BF-MBR) are among key solutions to water scarcity; however, membrane fouling is the major bottleneck for any expansion of these technologies. Prepolymerized aluminum coagulants tend to exhibit the greatest extent of fouling alleviation, with the reduction of soluble microbial produc...
Article
Full-text available
Considering new legislative and economic restrictions caused by the water crisis, this work focuses on a more efficient wastewater treatment process, which combines biological treatment in a moving bed biofilm system with a membrane bioreactor (BF-MBR) and coagulation, particularly addressing fouling alleviation in the separation stage. The study j...
Article
Full-text available
Membrane fouling highly limits the development of Membrane bioreactor technology (MBR), which is among the key solutions to water scarcity. The current study deals with the determination of the fouling propensity of filtered biomass in a pilot-scale biofilm membrane bioreactor to enable the prediction of fouling intensity. The system was designed t...
Conference Paper
Full-text available
BioFilm Membrane BioReactor (BF-MBR) comprises well-proven practical advantages of both biofilm and MBR treatment processes. Synergy of such combination includes lower rates of membrane fouling and reduced share of irreversible fouling. However, range of stable operation conditions can be significantly narrowed due to strong mechanical interactions...
Article
Full-text available
Membrane bioreactor (MBR) is a progressive alternative to conventional waste-water treatment. However, membrane fouling is one of the most significant barriers to further development of the MBR technology since it has a detrimental effect on system performance and stability. Therefore, a number of studies have been developed to comprehend the fouli...
Article
The investigation of thermodynamic peculiarities of bromphenol blue (BB) elimination from aqueous solutions using solvent sublation technique has been carried out. Thermodynamic properties of acid dye (BB) interaction with cationic surfactant cetylpyridinium chloride (CPC), applying Kharash method and HyperСube HyperСhem Professional software were...
Article
Full-text available
Background. The accumulation of toxic effluent components is a considerable hazard to water resources potential of the country. It particularly relates to waste water pollutants belonging to II—IV hazard classes such as organic dyes and diluents. Objective. The goal of this research was to investigate the main principles of Bromphenol Blue remediat...

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