If you are interested in using our services, please contact the ENREGAT RDI administrator, Ing. Barbora Grycova, Ph.D., at .

ANALYTICAL SERVICES

1) Chromatographic and spectroscopic methods for gas and liquid analysis:

  • Direct-injection analysis of gaseous, liquid, and extract samples.
  • Trace analysis of gaseous samples (ambient air, working environment, trace contaminants in gases) following capture on TD sorbents and subsequent TD desorption. Accredited for selected VOCs and UVOCs.
  • Trace analysis of gaseous samples (ambient air, working environment, trace contaminants in gases) following capture on sorbents with CS2 extraction. Accredited for selected VOCs and UVOCs.
  • Trace analysis of gaseous samples following cryogenic pre-concentration down to -80 °C.
  • Determination of selected organic acids (C1–C8) in aqueous samples and leachates, or in combination with the determination of other items on an IC (hydroxy acids).
  • Analysis of gaseous samples dosed both continuously and discontinuously using a gas-tight syringe.
  • Analysis of pyrolysis gases and liquid condensates from the pyrolysis of biomass and plastics.
  • Analysis of polycyclic aromatic hydrocarbons and determination of micropollutants (pharmaceuticals from the groups of analgesics, antipyretics, antiepileptics, sartans, antibiotics, various types of pesticides, and other organic pollutants) in aqueous solutions.
  • Analysis of selected anions (F-, Cl-, NO2-, Br-, NO3-, PO43-, SO32-, SO42-) in aqueous solutions (accredited).
  • Analysis of ClO4 content in waters and aqueous leachates.
  • On-line gas analysis during catalytic tests.
  • On-line connection to various experimental apparatuses and identification of reaction products.
  • On-line gas analysis (NH3, NO, NO2, N2O, CO, CO2) during catalyst and sorbent testing, study of catalytic reaction mechanisms.
  • Quantitative measurement of material absorption/transmission as a function of wavelength, determination of pollutants in aqueous solutions.
  • Rapid determination of biogas composition (CH4, CO2, O2, H2 up to 1000 ppm, H2S up to 1000 ppm) or similar gases. Specific list of analytes depends on standard availability and other prerequisites. Specification and requirements must always be clarified and agreed upon with the contractor.

i Specific list of analytes depends on standard availability and other prerequisites. Specification and requirements must always be clarified and agreed upon with the contractor.

2) Energy characterization of materials (fuels, alternative fuels, and wastes):

  • Thermogravimetric analysis (determination of moisture, ash content, volatile combustible matter, fixed carbon, and approximate ignition temperature) of solid samples and liquids.
  • Determination of the gross calorific value of solid and liquid samples.
  • Determination of the basic elemental composition of solid samples (C, H, S, N, O).
  • Determination of total and phase carbon in solid samples.
  • Qualitative and semi-quantitative elemental analysis (in the range of Na–U) of solid and liquid samples.
  • Sequential analysis of trace amounts of metals and selected non-metallic elements in liquid and dissolved samples.
  • Determination of moisture / total dry matter of samples.

 3) Characterization and preparation of catalysts, photocatalysts, and other solid materials:

  • Qualitative and quantitative phase analysis of solids and thin films.
  • Determination of the amount of reducible catalyst components by temperature-programmed reduction with hydrogen (H2-TPR).
  • Determination of the amount of oxidizable components by temperature-programmed oxidation (O2-TPO).
  • Determination of surface areas and dispersion of deposited components on the catalyst surface using chemisorption techniques (TPD, pulse chemisorption).
  • Determination of the amount and strength of acidic and basic sites by temperature-programmed desorption of selected compounds (CO2, NH3).
  • Identification of functional groups using infrared spectroscopy technique.
  • Analysis of microstructures and chemical composition of samples (point, line, and area elemental mapping).
  • Measurement of the work function of various semiconductor materials.
  • Characterization of powdered semiconductor materials or thin films by measuring generated photocurrent, determining the incident photon-to-current efficiency (IPCE) as a function of wavelength and overpotential.
  • Preparation of nanostructured materials based on inorganic metal oxides in various macroscopic forms (powders, thin films, porous aerogels/monoliths).
  • Hydrothermal processing of biomass and carbon nanomaterials.
  • Extraction of value-added natural substances from solid materials / waste biomass.
  • Preparation of single-layer and multi-layer catalyst and photocatalyst films deposited on various solid supports.
  • Measurement of material photoactivity.

 4) Determination of specific surface area, volume, and pore size distribution:

  • Determination of textural properties of solids (specific pore surface area, mesopore surface area, micropore volume, meso-macro pore size distribution and micropore size distribution, total pore volume).
  • Measurement of real/helium density of solid materials.

5) Other analyses:

  • Determination of water content in liquid mixtures and powder samples using the Karl Fischer method.
  • Detection of xenobiotics (pharmaceuticals, pesticides, hormones, foreign organic substances—peptides, proteins, etc.) in liquid samples.
  • Study of interactions between molecules (most commonly between organic substances such as peptides, proteins, carbohydrates, or other complex molecules and smaller molecules such as pharmaceuticals, pesticides, hormones, as well as inorganic pollutants) and surfaces (monolayers of organic or inorganic substances).
  • Measurement of membrane permeability for organic compounds.

6) Sample preparation:

  • Adjustment/preparation of samples by crushing, grinding.
  • Centrifugation of samples to separate solid fractions.
  • Sample pre-treatment prior to other separation methods.
  • Division of samples for analytical purposes.
  • Microwave digestion of organic and inorganic samples up to 270 °C.
  • Sonication for the synthesis of various nanostructured materials.
  • Cleaning of individual small parts of technological equipment.

PROCESS TESTS

1) Anaerobní digesce:

  • Modeling and verification tests of biogas production in wet, dry, or semi-dry anaerobic digestion processes under batch, continuous, or semi-continuous conditions (reactor working volume 0.015 m3), including gas flow measurement and total biogas volume.
  • Modeling and verification tests of biogas production in wet, dry, or semi-dry anaerobic digestion processes under batch, continuous, or semi-continuous conditions (reactor working volume 0.060 m3), including gas flow measurement and total biogas volume.
  • Modeling and verification tests of aerobic fermentation in wet, dry, or semi-dry conditions (reactor working volume 0.015 m3), including gas flow measurement and total biogas volume.
  • Biochemical Methane Potential (BMP) test.
  • Measurement of residual biogas production from digestates and sludges.
  • Monitoring the kinetics of wet or dry anaerobic digestion processes.

2) Optimalizace energetického a materiálového využití odpadů pomocí termochemických procesů:

  • Determination of mass and energy balance of microwave pyrolysis of waste materials.
  • Determination of mass and energy balance of pyrolysis of waste materials.

3) Waste incineration:

  • Pilot-plant waste (fuel) incineration tests, including evaluation of flue gas composition (NOx, SO2, CO2, O2, CO, TOC, TZL, TK, HCl, HF), sampling of PCDD/F, PCBs, and PAHs (external evaluation of sorbed liquids). Energy and material balance, analysis of solid residues after the incineration process.
  • Calcination of inorganic oxide materials. Energy and material balance, analysis of solid residues after the calcination process.
  • Testing of denitrification applications in combustion and calcination processes.
  • Verification of the efficiency of sorption agents applied to the flue gas stream.

4) Gas cleaning technologies:

  • Testing of solid catalysts in the form of grains for gas-phase catalytic reactions (N2O and NO catalytic decomposition, CO catalytic oxidation).
  • Testing of laboratory and commercially prepared catalysts for VOC, NH3 catalytic oxidation and NOx selective catalytic reduction.
  • Testing of photocatalytic properties of materials in powder form or supported on a carrier (reactions: CO2 photocatalytic reduction, photocatalytic hydrogen generation from aqueous alcohol solutions, and N2O decomposition).
  • Testing of industrial catalysts for gas-phase catalytic reactions (N2O and NO catalytic decomposition, NOx selective catalytic reduction).