Gas Sensing Reference Materials
Reference Articles 201 - 300 of 407
-
Carbon Dioxide (CO2) vs Carbon Monoxide (CO) - What's the difference?
From: CO2Meter.comDescription: CO2Meter discusses the importance of understanding the differences between carbon monoxide and carbon dioxide, especially when choosing the proper gas detection solution. ...
-
CO2 Safety in Restaurants, Bars, Venues
From: CO2Meter.comDescription: When using bulk CO2 storage, CO2 safety in restaurants, bars, and venues is critical. Here are 4 ideas to help mitigate the risk. ...
-
Fixed vs. Portable Gas Detectors
From: CO2Meter.comDescription: What CO2 Safety Tips You Should Note? CO2Meter talks understanding safety procedures in a variety of applications and ensuring you are aware of the proper steps to prevent injury from occurring in any ...
-
Carbon Dioxide (CO2) Purity Grade Chart
From: CO2Meter.comDescription: Do you know what food, beverage, industrial, or medical grade CO2 you get from your gas provider? Here is a reference chart listing CO2 purity grades. ...
-
How Does a Zirconia Oxygen Sensor Work?
From: CO2Meter.comDescription: Zirconia Oxygen Sensors are typically used to measure the air-to-fuel ratio in combustion, automotive, oil, gas, and bio-mass environments. ...
-
Monitoring CO2 Levels and Energy Efficiency
From: CO2Meter.comDescription: CO2Meter takes time to discuss researcher, Tim Cooper who utilizes the CozIR®-A Development Kit CM-0187 to measure the carbon dioxide levels in order to assist in his research towards reducing CO2 ...
-
How Does an NDIR CO2 Sensor Work?
From: CO2Meter.comDescription: NDIR is an industry term for nondispersive infrared. It is the most common type of sensor used to measure CO2. ...
-
Sensor for HVAC & Air Purifier
Description: With the high speed development of the city, the housing decorative materials became more and more various, the decoration level became more and more luxury. City developing is a double-edged sword. ...
-
AMETEK Land Gas and Dust Monitors Help Jeld-Wen Achieve Emissions Compliance
From: LANDDescription: JELD-WEN has implemented AMETEK Land's flue gas analysers and opacity and dust monitors at its door manufacturing facility in Penrith, United Kingdom, to help achieve emissions compliance. ...
-
Non-Dispersive Infrared (NDIR) Gas Detection
Description: Non-Dispersive Infrared (NDIR) technology utilizes a broadband infrared (IR) emitter, which covers all of the wavelengths of interest for a given set of gases to be measured. Optical Band Pass filters ...
-
Photoacoustic Spectroscopy (PAS)
Description: Photoacoustic Spectroscopy (PAS) gas instruments are field proven in several applications. The PAS technique is highly accurate, stable, and provides a direct measurement independent of background ...
-
FOAMGLAS® Insulation Installed on Peak Shaver at Gasunie, the Netherlands
Description: N.V. Nederlandse Gasunie (short form: Gasunie) is a Dutch natural gas infrastructure and transportation company operating in the Netherlands and Germany. Gasunie Peakshaver BV is the owner of the LNG ...
-
Lysekil LNG Receiving Terminal Protected with the Help of FOAMGLAS® Insulation
Description: Skangas AS, owned by Finnish company Gasum and Norwegian Lyse, builds and operates medium-sized, low carbon emission energy plants. One of their plants is the Lysekil LNG receiving terminal. The ...
-
PORTABLE FLUE GAS APPLICATIONS
From: LANDDescription: Measuring flue gases - the exhaust gases produced when fuel or other materials are burned in industrial plants or power stations - is important for process control, efficiency and emissions ...
-
STRENGTHENING PLANT SAFETY IN COAL GRINDING MILLS AND STORAGE SILOS WITH CARBON MONOXIDE MONITORING
From: LANDDescription: Risks of unwanted combustion - potentially causing injury, damage and downtime - occur everywhere that coal is handled, processed or stored. Safe coal handling practices are designed to ensure that ...
-
SwirlMaster FSS430, FSS450 - Metering gas in biogas plants
Description: This document outlines the basics of metering system designs that energy provider typically proposes to fit to all their Landfill Gas (LFG), Coal Mine Methane (CMM) or Biogas fuelled power generating ...
-
Key Hazards in Process Ovens & Dryers
Description: Experience has shown that explosions in ovens and dryers can happen very quickly. The key hazard is an explosion from the build up of solvent vapors in the oven or dryer atmosphere. This buildup could ...
-
Meeting NFPA Requirements in Ovens & Dryers
Description: Almost all safety authorities require a 4:1 margin of safety below the LFL, based on worst-case conditions. This means that enough dilution air must be used to always maintain a concentration of less ...
-
Totalflow well pad remote terminal units
Description: Peyto Exploration and Development in Alberta, Canada has experienced significant savings and natural gas production efficiencies by standardizing well pad designs. ...
-
The Challenges of Measuring Flare Gas
From: Sierra Instruments, Inc.Description: The associated gas generated from oil production has received a lot of attention recently. In many areas, the lack of gas collection infrastructure requires this gas to be flared off. Many ...
-
Sail into the Future of Emission Control with MARSIC
From: SICKDescription: The maritime industry is highly important to the transport of vital goods across the world's oceans. Around 80 percent of the volume of international trade in goods is transported by sea, according to ...
-
Part 1: Challenges with Submetering Natural Gas
From: Sierra Instruments, Inc.Description: In an article for Gases & Instrumentation magazine, I explored energy management as it relates to the natural gas industry. Natural gas exists in abundance in this country, with production expected ...
-
Understanding the iSeries Totalizer for Gas Mass Flow Rate
From: Sierra Instruments, Inc.Description: Do you have questions about the iSeries flow meter Totalizer App that comes standard with every QuadraTherm 640i/780i Thermal Mass Flow Meter. We get many support questions regarding the app, ...
-
Air/Gas Flow Measurement for Turbomachinery: What You Don't Know Can Be Frustrating
Description: The accurate, repeatable flow measurement of air and gases is critical to the safe, efficient and cost-effective operation of turbomachinery and related equipment in the electric power generation, ...
-
Column Switching Simplification in Process Gas Chromatography
Description: On-line process gas chromatography column switching is utilized to ensure the interference free analytical separation of specific process relevant components in multi component mixtures. Column ...
-
Insitu Analysis of Ammonia Slip and Water Vapor Using a Tunable Diode Laser for SCR/SNCR Optimization and Boiler Tube Surveillance in Power Plants
Description: Environmental regulations driven by the 1990 Clear Air Act require Power Plants to reduce NOx emissions. SCR's and SNCR's reduce NOx emission by injecting ammonia into the combustion flue gas, which ...
-
A More Effective Approach to Oxygen Sensing
From: SST Sensing Ltd.Description: There are a plethora of different applications where the level of oxygen in a given environment needs to be determined - covering everything from the industrial, automotive, logistics/transportation ...
-
New Model Concept Workstation Oxygen Test Report
From: BakerDescription: The Concept Series Workstations have been recently remodelled. This report details the oxygen concentration throughout the work area within the workstation in anaerobic mode to ensure proper ...
-
Types Of Gas Chromatograph
Description: Gas chromatograph is a commonly used chromatographic product. In addition to quantitative and qualitative analysis, it can also determine the physical and chemical constants such as the partition ...
-
61) Using Oxygen Analyzers As a Predictive Maintenance Tool for Air Heaters
Description: The probe-type In Situ oxygen analyzer has become an indispensable tool for monitoring combustion process efficiency. ...
-
Achieve Accurate, Repeatable, and Reliable Gas Measurement Analysis
Description: The XA Series of gas chromatographs share a common electronics platform that reduces complexity and training needs, while providing a range of measurement options to suit the individual application. ...
-
Achieve Unmatched Sensitivity and Real-time Measurement Performance of Your Hydrogen and Nitrogen Impurities with Quantum Cascade Laser Analyzers
Description: Assuring hydrogen and nitrogen gas purity is critical across multiple processing industries and applications. For several key processes, the purity of the gas must be precisely monitored and ...
-
Akzonobel Improves Storage Tank Heating Control and Gas Vent Monitoring Using Smart wireless Technology
Description: Existing manual measurement and control methods were unsatisfactory for maintaining the temperature of fatty nitriles and amines in the 40 tanks where they were stored before shipment to customers. ...
-
Analysis of Pipeline Quality Using a C6+ with Trace H2S Application
Description: Hydrogen sulfide (H2S) is a component that is often present in natural gas. There are many reasons for wanting to measure it. One of the most important reasons is that H2S is a highly toxic gas that ...
-
Atlas Pipeline Improves Production Efficiency at Natural Gas Processing Facility
Description: Atlas Pipeline Partners L.P. is a full service midstream company providing reliable gas gathering, compression, processing and treating services to its customers. ...
-
Avoiding Amine Foaming Issues Using a GC
Description: Amine systems are widely used to remove CO2 and H2S from rich gas streams in natural gas processing. When foaming occurs in the amine system, the efficiency of the acid gas extraction dramatically ...
-
BTU Analysis Using a GC
Description: This paper describes the basics of how a BTU analyzer works. In a typical natural gas application the gas is separated into eleven different components. Hexanes and heavier components such as heptane, ...
-
Bulk and Specialty Gas Purity Measurements in Gas Bottling Plants
Description: Industrial gas bottling and blending plants require accurate gas concentration monitoring of bulk and specialty gas products to ensure purity requirements for a variety of end users. Emerson offers ...
-
CEMS System Capabilities for the Hydrocarbon Processing Industry
Description: Emerson provides Rosemount Analytical gas analyzer technology for on-line analysis of ammonia plant streams. Strategically placed gas analyzers improve the process efficiency and the purity of the end ...
-
Flue Gas Analysis as a Diagnostic Tool for Fired Process Heater Furnaces
Description: combustion flue gas analysis products ...
-
Fundamentals of Gas Chromatography
Description: Gas chromatography is one of the most widely used techniques for analyzing hydrocarbon mixtures. Some of the advantages of chromatography are the range of measurement (from ppm levels up to 100 %), ...
-
Improving Burner Control with Online Gas Chromatographs
Description: Burner Control is critical for Power and Industrial plants as it affects emissions, energy costs, and process efficiencies. For natural gas burners, variations in gas composition can have direct ...
-
Improving Incinerator Operation with Advanced Flue Gas Analysis
Description: Sulfur plant tail gas incinerators are used to oxidize sulfur compounds that cannot be released directly into the atmosphere. These sulfur compounds include H2S, COS and CS2. Incinerators are operated ...
-
Net v. Gross/Wet v. Dry Oxygen Measurement
Description: When a portable oxygen analyzer is utilized to check the calibration of an in situ oxygen analyzer, the portable analyzer will often produce a measurement which is higher than the measurement produced ...
-
Odor-Tech Improves Tank Inventory Management at Gas Blending Facility
Description: Odor-Tech in Pineville, LA makes odorants for natural gas. These odorants are a safety precaution, as they give gas an unpleasant "rotten egg" smell to indicate its presence. Their customers may ...
-
Online Gas Analysis in Air Separation Plants
Description: Emerson provides several Rosemount Analytical gasanalyzer technologies to meet the process control and purity monitoring needs of air separation plants. ...
-
Online Gas Analysis in Ammonia Plants
Description: Ammonia is used in the production of a variety of products including fertilizer, nitric acid, nylon, pharmaceuticals, and refrigerant. Production of ammonia (NH3) is a two step process. The first step ...
-
Online Gas Analysis of Hydrogen-cooled Generators
Description: Emerson provides several Rosemount Analytical gas analyzer technologies to meet the process control and purity monitoring needs of air separation plants. ...
-
Online Process Gas Analysis in Ethylene Production Plants
Description: Emerson provides gas analysis technology for on-line analysis in ethylene production plants. Strategically placed gas analyzers improve the process efficiency and the purity of the end product. ...
-
Optimizing Catalyst Regeneration with an In Situ Oxygen Probe
Description: ...Fluidized Catalytic Cracking Units (FCCU) will continuously route coked catalyst into a regenerator unit where oil remaining on the surface of the catalyst is stripped off with steam or solvent. ...
-
Oxygen Measurement Improves Efficiency and Product Quality in Cement and Lime Kilns
Description: The measurement of oxygen (O2) inside a rotating kiln provides a good indication of combustion efficiency. This oxygen measurement can also provide an inferred indication of calcining rates and the ...
-
Petroleum Industry Operator Reduces Nuisance False Alarms with Rosemount Incus
Description: Finding a balance between safety and efficiency at gas compressor stations is a challenge for most major operators. For one company in Asia, this balance had reached critical proportions. This ...
-
Process Gas Monitoring in Petroleum Refineries
Description: Emerson provides Rosemount Analytical gas analyzer technology for on-line analysis of ammonia plant streams. Strategically placed gas analyzers improve the process efficiency and the purity of the end ...
-
Protection Methods for Gas Detectors Used in Hazardous Environments
Description: Almost every industrial setting poses some potential safety risk to personnel working in such environments whether it is something that can be seen such as rotating machinery or unseen, such as ...
-
Reducing or Replacing Helium Carrier Gas Usage
Description: The majority of online gas chromatographs with Thermal Conductivity Detectors (TCD) use Helium as a carrier gas. Recently, many suppliers of chromatograph grade helium have been experiencing supply ...
-
Ultrasonic Gas Leak Detection - Your First Line of Defense
Description: An "emerging" sensing technology has recently taken its place as a field-proven solution in the gas detection industry. For many years now, detecting combustible gas leaks has been accomplished ...
-
ACID DEWPOINT TEMPERATURE MEASUREMENT
From: LANDDescription: MEASURING ACID DEWPOINT TEMPERATURE TO IMPROVE EMISSIONS AND EFFICIENCY. ...
-
CO2 Leak Detection in Refrigeration Applications
From: Bacharach, Inc.Description: Not all CO2 monitors are suitable for leak detection in refrigeration applications. Sensors need to respond quickly to CO2 levels. CO2 has a high operating pressure, and gases can quickly escape into ...
-
Refrigerant Gas Detection - Compliance or Management?
From: Bacharach, Inc.Description: Refrigerant gas detection has been used in the marketplace for many years. The drivers for this have included safety, regulation, cost, energy efficiency, environmental protection and protection of ...
-
Room with a Leak: The need for Detection in Occupied Spaces
From: Bacharach, Inc.Description: Modern refrigerant systems are designed to be efficient and leak free. Refrigerant systems are pressurized and in reality, it is widely accepted that no pressurized system is entirely leak free; it is ...
-
Application Note: Magnos28 oxygen monitoring in the productionof technical metal powders
Description: Metal powders of defined size and pureness are an important intermediate for further use in the production of minerals based industrial products such as paints, pyrotechnics, silicon nitride ceramics ...
-
Key Challenges of Monitoring in Wastewater Treatment
Description: Publicly owned treatment works (POTWs) collect wastewater from municipal, commercial and industrial facilities, transport it through a series of contributor pipes, known as a collection system, and ...
-
The Ongoing Evolution of Oxygen Sensor Technology
From: SST Sensing Ltd.Description: This article explores the ongoing evolution of oxygen sensor technology, highlighting how advances in materials, electronics, and manufacturing have improved accuracy, reliability, and application ...
-
Coil Coating Problems: Maintenance is Burdensome
Description: Maintenance is burdensome. Sample lines clog, pumps break down, and analyzer elements become fouled - all resulting in excessive labor and costly downtime. Coil coating ovens typically operate at ...
-
Coil Coating Problems: Response Time
Description: Coil coating line managers report that they experience three basic problems in solvent vapor monitoring, we've discussed the maintenance and accuracy issues, now let's look at response time: Coil ...
-
Coil Coating Problems: Sensor Accuracy
Description: Coil coating line managers report that they experience three basic problems in solvent vapor monitoring, last week we looked at maintenance issues, this week the focus is on accuracy: Sensor accuracy ...
-
PrevEx vs. IR Flexible Packaging Printing Case History
Description: Steel and cast iron are typically used for bore housings as they provide a good surface for accepting both metal and rubber O.D. seals. For soft metal, such as Aluminum, a rubber O.D. is recommended. ...
-
Solvent-Based Printing 101 Case History
Description: Steel and cast iron are typically used for bore housings as they provide a good surface for accepting both metal and rubber O.D. seals. For soft metal, such as Aluminum, a rubber O.D. is recommended. ...
-
Top 3 Problems in Coil Coating Atmospheres
Description: Maintenance is burdensome. Sample lines clog, pumps break down, and analyzer elements become fouled - all resulting in excessive labor and costly downtime. Sensor accuracy is a problem. Because most ...
-
Back to the Basics: Adjustment of Calibration for Process Temperature
Description: Testing by the authorities has shown that at elevated temperatures the Lower Flammable Limit decreases, that is, the mixture increases in flammability. ...
-
Back to the Basics: Effects of Varying Rates of Evaporation on Calibration Accuracy
Description: For an analyzer with wide variation in response factors to the solvents of interest, there could be a considerable error from the assumption that the solvent mixture is uniform in each zone of the ...
-
Back to the Basics: Flash Point and Dew Point
Description: Each solvent has a characteristic "flash point." This is the minimum temperature at which the solvent can produce sufficient vapors to form a flammable concentration in air at its surface. The flash ...
-
Back to the Basics: Flash Point, Dew Point & Temperature
Description: The ability of the analyzer to measure the solvent concentration depends on the delivery of the solvent vapor to the analyzer through a sampling system in which all elements in contact with sample are ...
-
Back to the Basics: Industry-Standard Accuracy
Description: Several analyzer types are of sufficiently sound design and manufacture to meet the industry-standard requirements for general purpose gas detection. Many of these also maintain this accuracy under ...
-
Back to the Basics: Location in Multi-zone Drying
Description: The first or second zone might normally show the highest solvent concentration. But during an upset, it is not necessarily the zone where the peak concentration will appear. Excess solvent from an ...
-
Back to the Basics: Responses to Various Solvents
Description: An analyzer should respond uniformly to all solvents that might be used. Any differences between individual solvent response factors should not reduce the margin of safety. Typically, this means that ...
-
Back to the Basics: Sample Pre-conditioning and Filtering
Description: Because the analyzer response time is critical, large pre-conditioning filters in the sample line are to be avoided. The delay in a filter can be estimated by dividing the filter volume by the sample ...
-
Back to the Basics: Solvent Calibration
Description: Unfortunately, the process of preparing accurate solvent mixtures for the precise calibration of the analyzer under the actual operating conditions is sufficiently difficult and unreliable in many ...
-
Back to the Basics: Use of Reference Gases in Calibration
Description: The practical difficulty in accurately preparing and storing exact solvent concentrations often precludes their use. Multiple solvent mixtures are even more difficult to adequately control. ...
-
Back to the Basics: Catalytic Combustion
Description: The catalytic detector consists of two small electrically heated beads having a finely divided platinum or palladium coating on the surface. A reference bead ONLY responds to changes in: The two beads ...
-
Back to the Basics: Flame Ionization
Description: Combustible gases burned in a hydrogen flame produce ions that can be measured as a weak current through an imposed electric field. A well designed FID efficiently and completely burns the sample by ...
-
Back to the Basics: Flame Temperature
Description: The small, well-regulated flame heats the tip of a temperature sensor suspended directly above it. The signal produced by the sensor when no flammable vapors are present drives the LFL indicator up to ...
-
Back to the Basics: Infrared Absorption
Description: A typical non-dispersive infrared detector passes a pulsed source of infrared energy through the sample, and measures the energy received by two detectors. One "active" detector responds to ...
-
Back to the Basics: LFL Analyzers and Control Systems
Description: Although several different types of sensors are employed as LFL monitors, each has an appropriate application to which it is best suited. Other types of detectors, for example electrochemical and ...
-
Back to the Basics: Sample Probe Location
Description: A key element in analyzer performance is the sampling location. Failure to install the sample probe in a "representative" location can lead to inaccurate or greatly delayed readings. A location ...
-
Back to the Basics: Sampling System Issues
Description: The speed and accuracy of the analyzer depend equally upon the sampling system and the detector. The final development of the worst accidents occurs in seconds. It is part of the last line of defense ...
-
Monitoring Cement Plant Stack Emissions Using FTIR
Description: A major U.S. cement manufacturing facility completed a five-month field trial of the ABB ACF5000 hot / wet extractive FTIR Continuous Emission Monitoring System (CEMS) in August 2015. ...
-
Back to the Basics: Elimination of Pockets
Description: Places where pockets of high concentration might occur through uneven ventilation flow or obstruction by the product being coated should be sought out and eliminated. In general, the concentration ...
-
Back to the Basics: Detection of Ventilation Loss
Description: The minimum ventilation calculations should be made for the "worst case." A direct measurement of the ventilation rate - using properly situated low-pressure switches - should be connected to the ...
-
Garage Ventilation | Engineering Data
From: Arjay EngineeringDescription: Ventilation shall be provided in garages to limit the exposure of workers to carbon monoxide to below the Time-Weighted Average Exposure Value (TWAEV) of 25 parts per million for a normal 8 hour ...
-
Typical Sensor Location Considerations
From: Arjay EngineeringDescription: The sensor mounting location within a space may be dependent on many variables. There are no specific formulas since each application will have its own determining factors and priorities. ...
-
NOTES ON CO2 (INDOOR AIR QUALITY)
From: Arjay EngineeringDescription: Welcome to ASHRAE Journal's Technical Q&A column. This column provides readers with an opportunity to ask technical questions and have the answers published. Each month the editors will select a ...
-
Gas Monitoring for Ventilation Control and Energy Management (Vehicle Garages)
From: Arjay EngineeringDescription: The growing demand for underground and enclosed parking and maintenance garages (resulting from limitations on land availability) has increased the awareness and need for proper ventilation and ...
-
Back to the Basics: Minimum Ventilation Rate
Description: There are several fundamental safety precautions which should be applied to all dryer designs. These requirements call for a minimum below which the ventilation rate is never reduced. This ...
-
Back to the Basics: Safe Reduction of Ventilation
Description: Last week we discussed the 2 cases at which the authorities have determined that certain industrial processes can proceed at solvent vapor concentrations up to, but not exceeding, some percentage of ...
-
Back to the Basics: Secure Damper Positions
Description: The minimum ventilation calculations should be made for the "worst case." A direct measurement of the ventilation rate - using properly situated low-pressure switches - should be connected to the ...
-
Back to the Basics: The Steady State
Description: In order to determine the suitability of a particular analyzer system, it is useful to study potential process upsets. There are two main types of process upsets that could present a hazardous ...
-
Selecting a Low-Maintenance Sensor for Safety Monitoring of Oxygen and Carbon Monoxide Levels in Industrial Processes and Environments
Description: For safety, legal, and compliance reasons industrial plants must monitor oxygen (O2) and carbon monoxide (CO) levels in processes and structures. Traditional technologies for detecting these gases ...
-
Back to the Basics: Flammable Hazards
Description: The next topic in our "back to the basics" series is flammable hazards. It's important to understand what causes a fire or explosion to occur in a process before you can even think about preventing ...
-
Back to the Basics: LFL
Description: For each flammable substance there is a level of concentration in air, usually expressed as a percent by volume, that is known as its Lower Flammable Limit, LFL, or Lower Explosive Limit, LEL. Below ...