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Obnovit | RAW

Research activities: Department of Water Technology and Environmental Engineering

Pedagogic and research activities of the Department of Water Technology and Environmental Engineering are complex and comprehensive in all aspects of water and wastewater treatment.

Contemporary research

  • Water Treatment
• Removal of iron and manganese from ground and mine water. 
• Water clarification by means of activated suspensions and polyelectrolytes. 
• Removal of heavy metals from water by adsorption and precipitation. 
• Removal of beryllium from drinking water. 
• Removal of radon from drinking water. 
• Removal of priority pollutants from drinking water, disinfection by-products. 
• Determination of BDOC parameter in drinking water. 
• Evaluation of drinking water's aggressive quality. 
• Destruction of organic compounds in water using electrical discharge. 
  • Wastewater Treatment
• Population dynamics of activated sludge. 
• Separation problems of activated sludge. 
• Mathematical models - simulation of activated sludge process. 
• Biological nutrient removal, kinetic and metabolic studies of main physiological groups of microorganisms. 
• Bioaugmentation of activated sludge microorganisms. 
• On-line control of nitrification and denitrification processes. 
• Limits of wastewater treatment processes, wastewater reclamation and reuse. 
• Membrane biological reactor technology. 
• Advanced oxidation processes. 
• Heavy metals removal from wastewaters. 
• Removal of sulfate from industrial wastewater.
• Combination of anaerobic and aerobic processes at wastewater treatment. 
  • Sludge Management
• Minimization of sludge production at biological wastewater treatment.
• Improvement and stimulation of sludge digestion, and mechanical and thermal sludge disintegration. 
• Thermophilic anaerobic digestion of sludge. 
• Methods of sludge hygianization. 
• Separate sludge liquor (reject water) treatment. 
• Organic substrate production from sludge for biological nutrient removal. 
  • Anaerobic Digestion
• Anaerobic wastewater treatment and design of anaerobic reactors. 
• Anaerobic fermentation of biowastes. 
• Testing of activity of anaerobic microorganisms and anaerobic biodegradability of organic compounds. 
• Use of microaerobic conditions at anaerobic digestion (hydrogen sulfide removal, improvement of specific compounds' biodegradability). 
  • Hydrochemistry and Water Analysis
• Solution of chemical equilibria in natural and wastewaters. 
• Determination of non-ionic and cationic surfactants in waters.
• Determination of heavy metals in waters and sludge. 
• Determination of POC (purgeable, volatile OC). 
• Determination of TOC and DOC in waters and sludge. 
• Supercritical fluid extraction of organic contaminants from environmental samples.
• Solid phase microextraction. 
• Analysis of toxicologically relevant pollutants in water and environmental solids. 
• Determination of AOX in water and sludge. 
• Study of chlordioxide system. 
• Spectrometric determination of fluoride in water. 
• Spectrometric determination of CODMn
• Determination of humic substances from water. 
• Analyses of residual compounds in activated sludge treatment plants effluents e.g. Separation of non-steroidal antirheumatic from water. 
  • Microbiology
• Filamentous microorganisms identification and suppression. 
• Microbiological analysis of activated sludge and biological foams. 
• Identification methods of molecular biology (gene probes). 
• Biological degradability of substances containing quaternary nitrogen. 
• Determination of relation between the chemical structure of substances containing quaternary nitrogen (with aliphatic or aromatic parts) and biodegradability. 
• Microbiological analysis of drinking water. 
• Analysis of main physiological groups of microorganisms (C, N, S cycle) in surface, underground, and wastewater and sludge. 
• Ecological testing - effect of the contamination of soils on the composition and activity of microflora. 
• Toxicity of wastewater, chemicals, and new products and their effect on surface water and biological treatment. 
• Molecular biology methods. 
  • Hydrobiology
• Regional studies of the saprobic and trophic relations of rivers, brooks, and storage reservoirs. 
• Bioassays of acute, subchronic, and chronic toxicity on biological material. 
• Biological conditions (microscopic studies) in different model treatment units. 
• Biological analyses and evaluation of raw surface and underground water sources, drinking water treatment plants, and biological regrowth in distribution systems. 
• Biological (hydro- and microbiological) audits. 
• Biological evaluation of wastewater treatment plant effluents. 
• Biological evaluation of cooling waters. 

Expected future research orientation 

• New trends in drinking water treatment and distribution.
• Upgrade and innovation of wastewater treatment processes.
• Alternative methods of wastewater treatment.
• Biological degradability of environmentally hazardous substances.
• Utilization of wastewaters, organic wastes, and sludges as a source of energy and raw materials.
Contact:
Prof. Jan Bartáček
Tel.: +420 220 44 3474
E-mail: jan.bartacek@vscht.cz
Updated: 19.8.2022 13:12, Author: Lucie Pokorná

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