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Research activities: Department of Water Technology and Environmental Engineering

The Department of Water Technology was established in 1953. In 1973 the teaching and research program extended and the name was changed to Department of Water Technology and Environmental Engineering. Pedagogic and research activities of the Departments are complex comprehensive of 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 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 sulphate 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, mechanical and thermal sludge disintegration. 
• Thermophilic anaerobic digestion of sludge. 
• Methods of sludge hygienization. 
• 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 condition at anaerobic digestion (hydrogen sulphide 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 micro extraction. 
• 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. 
• Determinaton 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 quartenary nitrogen. 
• Determination of relation between chemical structure of substances containing quartenary 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 waste water 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:
Assoc. Prof. Pavel Jeníček
Tel.: +420 220 44 3155
E-mail: Pavel.Jenicek@vscht.cz
Updated: 31.7.2015 10:50, Author: Lenka Matějová

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