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Chemical Analysis
Any process development must be accompanied by informative and resilient analysis, so as to be able to assess the success of a process optimisation for example. The development and modification of new analytical methods forms a key element of the organisation"s work, because new projects also always entail different materials, which have to be investigated in a wide variety of matrices. Consequently, our services often initially focus on a qualitative characterisation of a mixture or material flow prior to undertaking a quantitative analysis.Another creative area in which the department operates is in conducting inhouse smallscale research projects, including in the fields of environmental, process and gas analysis. In one such project, a pilot plant for washing hydrochloric acid was built. Another project involves the operation of an ageing furnace to investigate the influence of aggressive gas mixtures, such as occur in waste incineration plants, on material resilience.
With a sound portfolio of analytical equipment and methods, and an experienced and motivated team of specialist personnel, CUTEC handles both routine analyses and special investigative analyses.
Research fields on an international scale:
- Operation of an ageing furnace to investigate material corrosion in aggressive atmospheres
- Operation of a tube furnace to investigate absorption properties of fine bulk products in relation to gas mixtures
- Sampling and massspectrometer analysis of tars from thermal biomass conversion processes
- Trace analysis of organic sulphur compounds in biogas and other process gases
Technical equipment and systems:
- Calorimeter with adiabatic jacket
- UV/VIS photometer
- Inductively coupled plasma optical emission spectrometry (ICPOES)
- Ash heating microscope up to 1600°C
- Luminous bacteria test
- AOX analyser
- TC/TOC/TNb analysers
- Microwave decomposition and extraction rig
- Kjeldahl apparatus
- HPLC systems with UV/VIS, fluorescence, conductivity and refraction index detection
- Ion chromatography
- Gas chromatographs with flameionisation detector, mass spectrometer (GCFID, GC/MS) and headspace GC
Particle measurement:
- Sieving, wet sieving and dry sieving
- Diffraction spectrometer
- Wet and dry dispersion (range 0.9 μm < dp < 0.875 mm)
- Anderson impactor for aerosols (range 0.4 μm < dp < 9 μm)
- HC15 scatteredlight meter for aerosols (range 0.3 μm < dp < 42 μm)
- Differential mobility spectrometer for aerosols (range 0.01 μm < dp < 1 μm)
- Image analysis (microscopes, CCD cameras, software)
- Specific surface area according to BET as per DIN 66131 and DIN 66132 (range 0.1 m2/g to 1000 m2/g)
Services:
- Sampling as required from solid, liquid and gaseous matrices
- Sample preparation (crushing, exploration, extraction etc.)
- Physical and physicalchemical parameters
- Sum parameters (AOX, CSB, TC, TOC, TNb, EC, OC, water hardness etc.)
- Organic substances (BTXE, industrial chemicals, CHCs, natural substances, PAHs,
- PCBs, aldehydes, ketones etc.)
- GC/MS analyses for unknown components
- Metal and cation analyses
- Fuel analysis (ash content, ash melt behaviour, elemental analyses, gross/net heating value etc.)
Particle measurement:
- Sampling from bulk products, dusts, sprays, suspensions
- Measurement of particle size distribution
- Description of particle behaviour in the process