Copyright 2007 Polytec GmbH. Technical specifications are subject to change.
Process Control of Biogas Plants
Without an appropriate measurement technique, biogas plants are often run below capacity, in order to avoid instabilities in, and in extreme cases, failure of the fermentation process. The result is reduced energy output and possible operating losses. To achieve efficiency, reliable and precise measurement techniques are required, and automated process monitoring is required. With NIR probes, various process parameters can be quantified directly in the reaction vessel, and, thus, be used for process control. A lack or excess of certain components (e.g., acetic acid) has a strong impact on the fermentation process. But by monitoring and controlling concentration, optimal production efficiency can be achieved.
Process Control
Quality Control of Tablets, Capsules and Pharmaceutical Substances
Using fiber-optic probes, pharmaceuticals can be analyzed quickly and easily– even in the production facility. Due to the extremely high measurement speed of PSS systems, each and every capsule or tablet produced can have its active ingredient content verified, thus giving 100 % quality control.
Pharmaceutical Control
Quality Monitoring in the Food Industry
Water, fat and protein content determines cost and quality in food production. These parameters can be determined simply and quickly using Polytec’s NIR technology, allowing the corresponding production and processing steps to be controlled and optimized. As an example, the monitoring of the ethanol content in different beer brands can be determined by NIR spectroscopy.
Food Analysis
NIR – Process and Multi-Component Analysis in the Chemical Industry
Using special probes connected directly to pipelines and reaction vessels, it is easy to monitor water, alcohol and total organic carbon. Quantitative determination of all components in a reaction is decisive for monitoring and controlling many processes. With the aid of suitable probes which are directly connected to extruders, reactors or pipelines, it is possible to determine important parameters (e.g. viscosity, density, composition) from the NIR spectra in real time.
Multi-Component-Analysis
NIR for Identifying Plastics
Polymers display characteristic spectra. Hence, identifying PE, PET, PP, PS, and so forth, is another area of application for NIR technology. High measurement speed, as well as confidence in identification, is the basis for industrial application in sorting and recycling facilities. During the production of polymers, quick and easy quality assurance regarding water content (for example), is made possibly by NIR spectroscopy.
Identifying Plastics
Determination of Layer Thickness
Using NIR spectroscopy, layers ranging from 100 nm thick up to 100 μm can be measured without contactby the use of thin film interference patterns (Figure 9). This holds true even for layers that are not transparent in the visible spectral range, e.g. lacquers.
Layer Thickness
Production Control for Paper
NIR spectroscopy is highly suitable for in-line moisture control of paper rolls. In addition, a wide range of customer-specified applications or coatings can be monitored and controlled.
Product and Application Overview
