Energy Gas Chromatographs
Description
Energy Gas Chromatographs are analytical instruments designed to separate and analyze complex mixtures of gases. They achieve this by utilizing a flowing mobile phase and a stationary phase within a separation column. The primary function of these devices is to identify and quantify the different components within a gas sample, providing detailed insights into its composition.
Working Principle
Energy Gas Chromatographs operate on the principle of partitioning behavior between a mobile phase and a stationary phase. A sample is injected into the chromatograph, where it is vaporized and carried by an inert gas through a column containing the stationary phase. As the sample travels through the column, different components separate based on their interactions with the stationary phase. Detectors then identify these components, allowing for precise analysis. This method is particularly useful because it can separate and analyze compounds without causing thermal decomposition, making it ideal for analyzing organic molecules and permanent gases.
Applications
Energy Gas Chromatographs are widely used in various industries. In the energy sector, they are crucial for analyzing natural gas compositions, including the separation of components like hexanes, heptane, octane, and nonane. This is essential for applications such as BTU analysis, which is critical for natural gas trading and ensuring compliance with custody transfer standards. Additionally, they are used in environmental monitoring to detect trace levels of pollutants and in the petrochemical industry for quality control of hydrocarbon products.
Advantages over other Gas Chromatographs
Energy Gas Chromatographs offer specific advantages in applications requiring high precision and reliability. For instance, in the analysis of natural gas, they can separate up to eleven different components, providing detailed compositional data that is essential for accurate BTU calculations. This level of detail and accuracy is often superior to other types of gas chromatographs, making them indispensable in energy-related applications.
Limitations
One of the primary limitations of Energy Gas Chromatographs is the requirement for samples to be volatile at the column operating temperature. This means that non-volatile compounds cannot be analyzed using this method. Additionally, the sample handling system must ensure that the sample is dry and free of solids, as the small diameter gas paths and flow restrictions can be easily obstructed.
Considerations
When considering the use of Energy Gas Chromatographs, several factors should be taken into account. Initial costs can be significant, as these instruments require precise components and calibration. Operating expenses include the cost of carrier gases and regular maintenance to ensure accuracy and reliability. Durability is generally high, but regular calibration and maintenance are necessary to maintain performance. Replacement and maintenance costs can vary depending on the specific model and usage conditions, but they are essential to ensure the longevity and accuracy of the instrument.
from ABB Measurement & Analytics
ABB is pleased to now offer systems integration services in order to become a true one-stop shop for all your analytical needs. These analyzer systems are fully integrated and prewired. All terminations are conveniently located in a single enclosure, so the customer will only have to land system... [See More]
- Application: Energy
- Instrument Type: Fixtured
from ABB Measurement & Analytics
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- Operating Temperature: -40 to 131
- Instrument Type: Fixtured
from ABB Measurement & Analytics
The challenge. A relatively small shift in the cut point for any refinery product can cost refiners millions in profits. In the absence of fast, accurate and reproducible boiling point data, refinery product yields are not optimized and more importantly, profits are lost. The solution. The PGC5009... [See More]
- Application: Energy; Petroleum; Gasoline, Diesel
- Oven Operation: Oven; Temperature Programmable
- Instrument Type: Fixtured
- Oven Temperature Range: 50 to 572
from ABB Measurement & Analytics
The PGC1000 is a field-mount gas chromatograph (GC) capable of measurements of C1 through C9+, inerts and H2S in various Hydrocarbon Processing Industry (HPI) streams. This analyzer is perfect for measuring light hydrocarbon gases in locations where minimal space is available. The PGC1000 is an... [See More]
- Application: Energy
- Oven Operation: Oven
- Instrument Type: Fixtured
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from ABB Measurement & Analytics
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- Application: Energy
- Oven Operation: Oven
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from COSA Xentaur Corporation
The COSA Portable BTU Gas Chromatograph is ideal for C6+ analysis of natural gas. The COSA Portable BTU Gas Chromatograph publishes 20 derived parameters, such as Calorific Value, Wobbe Index, Specific Gravity, Copressibility, Ratio of Heats, Gas Density, Real Gross Heat Value, and more.... The unit... [See More]
- Application: Energy; Industrial Gases
- Inlet Pressure Range: 7 to 70
- Instrument Type: Portable
- Remote Interface: Computer Interface; Serial communication protocol such as RS-232, RS-485, USB.; Application Software Included.