General
The CO2Sense has got a single Ion-Molecule Reaction (IMR-MS) mass spectrometer and is specially designed for monitoring of organic and inorganic impurities in CO2.
The common specifications for CO2 quality for the food and beverages industry like ISBT and EIGA can be fulfilled with the CO2Sense.
Functional Diagram
Typical Applications
- Final CO2 quality control - monitoring of organic and inorganic impurities in CO2
- Monitoring of impurities in the CO2 feed- and process gas
Success Stories
Measureable Compounds
ISBT Compounds
| Substance name | Molecular formula |
| Oxygen | O2 |
| Ammonia | NH3 |
| Nitrogen Monoxide | NO |
| Nitrogen Dioxide | NO2 |
| Methanol | CH4O |
| Total Volatile Hydrocarbons | THC |
| Methane | CH4 |
| Acetaldehyde | C2H4O |
| Aromatic Hydrocarbon Content | AHC |
| Benzene | C6H6 |
| Toluene | C7H8 |
| Xylene | C8H8 |
| Total Sulfur Content | TSC |
| Carbonyl Sulfide | COS |
| Hydrogen Sulfide | H2S |
| Carbon Disulfide | CS2 |
| Methyl Mercaptan | CH3SH |
| Sulfur Dioxide | SO2 |
| Ethyl Mercaptan + Dimethyl Sulfide | C2H5SH |
| Dimethyl Disulfide | C2H6S2 |
| Hydrogen Cyanide | HCN |
| Vinyl Chloride | VCl |
| Phosphine | PH3 |
Non-ISBT Compounds
| [] Substance name | Molecular formula |
| Propionaldehyde | C3H6O |
| Acetone | C3H6O |
| Ethanol | C2H6O |
| Ethyl Acetate | C4H8O2 |
| Acetic Acid | C2H4O2 |
| Ethyl Formate | C3H6O2 |
| Isobutyl Acetate | C6H12O2 |
| Isoamyl Alcohol | C5H12O |
| Isobutyl Alcohol | C4H10O |
| 2-Propanol | C3H8O |
| Ethylene | C2H4 |
| Propylene | C3H6 |
| Butadiene | C4H6 |
| Acetylene | C2H2 |
| Ethane | C2H6 |
| Chloroform | CHCl3 |
| 1,2 Dichloroethane | C2H4Cl2 |
| Trichloroethylene | C2HCl3 |
| Tetrachloroethane | C2H2Cl4 |
| Bromochloromethane | CH2BrCl |
| Chlorodibromomethane | CHBr2Cl |
| Tribromomethane | CHBr3 |
Typical CO2 Feed Gas Sources and Potential Impurities*
* Source: "Bulk Carbon Dioxide Quality Guidelines And Analytical Methods Reference", ISBT 2010
Specifications
| Technical Data | IMR-MS | Technical Data | IMR-MS |
| Mass range | 7 – 519 amu | Ambient temperature | 20 °C - 35 °C |
| Resolution | ‹ 1 amu | Humidity max. | 80 % (non-condensing) |
| Analysis time | ›= 1 msec/amu | Gas consumption | 3,000 ml/min |
| Measuring range* | 10^5 | Gas inlet temp. product gas | unheated |
| Response time* | T90 ‹ 20 msec | Gas inlet temp. raw gas | 50 °C – 190 °C adjustable |
| Lower detection limit* | 0.5 ppb | Gas inlet pressure | 0.75 – 2 bar(a) |
| Concentration drift | ‹ ± 5 % over 24 h | Power | 230 V/50 Hz or 115 V/60 Hz 800 W |
| Reproducibility | ‹ ± 3 % | Dimension (WxHxD) | 534 x 743 x 639 mm |
| Accuracy | ‹ ± 2 % | Weight |
* depending on the components measured, system setup and the settings
Reference Customers (excerpt)
