Refinery Gas Analysis

Gas compositions produced in refinery plants consist of hydrocarbons, permanent gases, H2S, etc. Analyzing these gases is essential to control the quality of chemical products and plant operation. Shimadzu's RGA systems, available in numerous configurations, are designed to analyze various compositions in a variety of processes. In research and development for petrochemical and its catalysis field, target compounds often contain high-boiling point compounds and isomers. The Shimadzu CERGA makes it possible to precisely analyze those samples.

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Application Specific GC Systems

Shimadzu Corp.

Application Specific GC Systems

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Natural Gas Analysis

Shimadzu Corp.

Recently, natural gas has been recognized as a clean resournce for energy, in addition to being a raw material for chemical products. Recently a cutting-edge drilling technology has increased the use of shale gas. As the production area diversifies, the need for gas composition analysis has increased. Shimadzu addresses analytical requests with a wide system GC lineup. For analysis of liquified gas, such as LPG, a dedicated injector with a vaporizer is available. Both manual injection and online injection are available. The operation software can automatically calculate needed values, such as indexes, calorific values, etc.

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Gasoline/Fuel Analysis

Shimadzu Corp.

A gas chromatograph is used for composition analysis of gasoline and its additives in order to improve fuels' performance. In addition to excellent performance, Shimadzu's GC systems improve productivity. For example, the Nexis GC-2030 system combines three standards into one to save analytical instrument and labor costs.

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Detailed Hydrocarbon Analysis

Shimadzu Corp.

The purpose of detailed hydrocarbon analysis (DHA) is to determine the bulk hydrocarbon group type composition (PONA: Paraffins, Olefins, Naphthenes and Aromatics) of gasoline and other spark-ignition engine fuels that contain oxygenate blends (Methanol, ethanol, MTBE, ETBE, and TAME) according to ASTM-D6730. PONA analyte identification is conducted by matching retention indices with normal hydrocarbon paraffins. However, chromatograms obtained in PONA analyses have an extremely large number of peaks and their analytes may be mislabeled. Without accurate and reproducible retention indices, this may result in erroneous PONA ratios. The GC-2030 incorporates an Advanced Flow Controller that enables highly precise flow control, and makes it easy to analyze and identify detailed hydrocarbons. Shimadzu offers DHA analysis conforming to the following methods: ASTM-D5134, ASTM-D6729, ASTM-D6730, and ASTM-D6733.

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VUV PIONA+ Analysis

Shimadzu Corp.

This high-speed gasoline PIONA analyzer is compliant with ASTM D8071. It supports simultaneous analysis of PIONA compounds, specific oxygenated compounds, and BTEX in gasoline, and can quickly analyze samples within 30 minutes by classifying compounds based on VUV absorption spectra. The simple system configuration provides broad applicability, including analyzing other petroleum products.

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Transformer Oil Gas Analysis

Shimadzu Corp.

It is necessary to analyze outgas in transformer insulation oil in power plant facilities. Shimadzu offers a System GC compliant with ASTM D 3612 Method B (oil stripper sampling) or ASTM D 3612 Method C (headspace sampling). The Nexis GC-2030TOGAS3 system, equipped with a PDHID, enables the analysis of more trace amounts of permanent gas than conventional systems.

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Impurity Analysis In Bulk Gas

Shimadzu Corp.

High-purity gas is necessary in industries such as chemical, medical, and foods. Precisely controlled GC enables identification and quantitation of a trace amount of impurities in bulk gas. If the gas resources in a factory consist of multiple lines, a sample line selector SLS-2020 can be utilized to switch sample lines automatically, allowing a single GC to analyze all samples.

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Town Gas Analysis

Shimadzu Corp.

Periodical monitoring of calorific values is necessary to ensure a stable supply of town gas. Since Shimadzu’s system GC is robust and designed for automated analysis, it is widely used for 24 hour/day online analysis in this field.

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Trace Sulfur Analysis

Shimadzu Corp.

Some sulfur compounds are known to be not only hazardous but also catalytic poisons. ppb sulfur analysis is conducted by gas chromatography. The Nexis SCD-2030 is a next-generation sulfur chemiluminescence detection system. The dramatically enhanced sensitivity and reliability, the excellent maintainability, and the automation functions, a first for the industry, will improve laboratory productivity.

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Downstream And Others

Shimadzu Corp.

A gas chromatograph is used for impurity analysis of intermediate or final products in various chemical fields. The table below shows our System GC lineup. Access detailed application information by clicking on.

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Green House Gas Analysis

Shimadzu Corp.

Gas chromatographs help analyze green house gases in air and soil. In addition to nitrous oxide, which is known by its high global warming potential, CO and CH4 are measured by a single analysis.

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Nexis GC-2030 BIDUFRGA

UFRGA Series - Shimadzu Corp.

The Ultrafast RGA system utilizes the new Barrier Discharge Ionization Detector (BID) technology coupled with Nexis GC-2030 to create new system GC for ultrafast, high-sensitivity analysis. Since the electrode creating Helium plasma is totally isolated from the carrier gas, there is no chance to contaminate this electrode with a dirty sample. This enables long-term stability.

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Distillation Gas Chromatograph System

Shimadzu Corp.

The Shimadzu simulated distillation system, consisting of a Nexis GC-2030 high-performance capillary gas chromatograph and LabSolutions simulated distillation GC analysis software, meets all applicable ASTM, ISO, EN, and JIS standards. Permitting accurate and highly reproducible analysis of high-boiling components in crude oil samples, it is the optimal system for product quality control and process management in oil refinery plants.

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Trace Moisture Analysis System

Shimadzu Corp.

Analyzing moisture, and how much of it, is critical to the performance of petroleum products, as well as infrastructure and product integrity. For example, moisture in petrochemical feedstock can cause pipelines and valves to freeze, as well as poison some catalysts. One popular method used to analyze for moisture is Karl Fischer Titration (KFT). KFT has a wide dynamic range but has difficulty in measuring relatively low amounts of moisture. In addition, there are the well-known problems of side reactions and known interferences.

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Standard Method Compliant

Shimadzu Corp.

Shimadzu System GC Analyzers are built and tested to meet the specific analysis requirements of applicable industry standards.

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Method Optimization System Triple Capillary Column GC

Shimadzu Corp.

Simultaneous Three-Column Analysis with a Single Sample Injection and No Column Replacement Provides More Efficient Investigation of Separation Conditions

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