GasCheck G Detects Helium Leaks at Energy and Mining Sites
Courtesy of Ion Science Ltd.
Industries: Energy and Mining
Application: On-Site Servicing / Leak Detection
JAVAC Pty Ltd, Australia, has recently sold a number of GasCheck G instruments to a Power Station, Electrical and Leak Detection Company.
JAVAC are specialists in the vacuum and refrigeration process industry, supplying leak detectors to the automotive, industrial, laboratory and refrigeration sectors.
GasCheck Gl and G3 instruments were selected to detect helium leaks for on-site service technicians working at energy companies and mining sites. Within this application, the customer required an on-site portable leak detector to be readily available in service vehicles, enabling technicians to detect leaks immediately.
Helium is colourless, odourless, tasteless and non-toxic, ideal for use as a tracer gas. Helium defuses through solids at 3 times the rate of air and penetrates through the smallest of gaps, making it easily detectable.
Why GasCheck G Was Chosen
The handheld, portable GasCheck G allowed the technicians to have the instrument on-hand to detect gas leaks without having to return back to base, saving both time and GasCheck G was chosen over competitive products due to its accuracy and sensitivity. Its advanced sensor technology and durability were key factors during the selection process.
Designed for the search and location of gas leaks, GasCheck G has an advanced micro thermal conductivity sensor for fast, effective detection of leaks down to cc/sec, g/yr,mg/m3 or ppm levels.
Robust and reliable, GasCheck G provides stable, repeatable readings of the detected gas. The instrument's LCD display, LED indicator and audible sounder clearly indicate the leak present. GasCheck G automatically zeros to the ambient air around it when switched on and is ready to detect immediately.
Lab Gas Price Bulletin April 2018
Helium supply is under pressure and labs are already struggling to secure their usual allocation. Since the Qatar embargo caused a helium supply shortage in June 2017 the U.S Bureau of Land Management (BLM), which controls around 50% of the global helium supply, has been allocating crude helium feedgas to helium refining facilities. As a result, some helium distributors are limiting supplies of helium to US customers, including operators of scientific instruments, with some US scientists claiming that they are...
Permanent Monitoring Systems for Seabed Leakage Detection
Seabed leaksWhere do they come from? Natural vents: Faults, Pockmarks, and Chimneys Melting hydrates Shallow gas layers Long term leakage along well casings (cracked cement) Injection: fault re-activation/fracturin Lost well control nd failing barriers The mysterious pockmarks at the Troll fieldFootprints from melted hydrate lumps (after the last glacial period)Characteristics of Seabed Gas LeaksMonitoring solution for Permanent seabed leakage detection in the vicinity of production facilities:Traces...
Helium and MRI Rooms Around the World
Helium gas is something most people feel fairly familiar with. Children are enthralled with the magical beauty of a floating balloon, watching it reach toward the sky and hoping not to lose their grip on the string. Helium feels safe, and while people surround themselves with flying wonders filled with this lightweight gas, the real magic of helium is taking place in MRI rooms across the globe. With this magic, though, comes some danger. Magnetic Resonance Imaging (MRI) uses strong magnetic fields to...
Applying Refrigerant Codes
Administering limits for the amount of refrigerant that can be discharged into a space in the event of a leakSome years ago, two young and inexperienced technicians were called to work on a large refrigerant system. The system was not working properly because of an incorrectly installed valve. In their attempt to fix the system, the technicians caused a leak in the piping at the tank, which contained several hundred pounds of refrigerant. Being heavier than air, the refrigerant gas began displacing oxygen in the...
Water vapour permeation testing of food packaging - Case Study
Based in the UK, Campden BRI provide the food and drinks industry worldwide with the research, technical and advisory services essential to ensure product quality and safety, process efficiency and innovation. The research centre is a continuous source of knowledge for industry, meeting frequently with its thirteen member interest groups and associated industrial working parties. Contract research and development is also carried out on behalf of UK government departments, levy boards, industrial consortia and...
The Greening of Carbon Fibre
Carbon fiber is a material that has, and will continue to revolutionize the products we use every day by making them stronger, lighter and more durable. Experts estimate that the specialty material is twice as stiff as steel and five times stronger, per unit of weight. It is made from organic polymers which consist of long strings of molecules held together by carbon atoms. The manufacturing process is often unique to each supplier and can be as complex as the molecules themselves. Gases, liquids and other...
Indoor Air Quality Myths Debunked
Today’s buildings, whether it is a home, office, manufacturing plant, hospital, etc., are more energy efficient; however, they also foster a potentially harmful environment. Indoor Air Quality (IAQ) has become a rising concern in the HVAC industry. Poor IAQ can cause a number of health issues such as, allergies, dryness and irritation to the eyes, nose, throat, and skin. It can also cause headaches, shortness of breath, hypersensitivity, sinus congestion, coughing, sneezing, nausea, and dizziness. Depending...
Case study - Petrobras - Natal, Brazil
Service: SmartBall - Oil Leak Detection Client: Petrobras Project Date: October 2010 Type of Pipeline: Multi-phase product Diameter: 12-inch Pipe Material: Steel Length: 20,900 meters Flow Rate: 0.3 – 0.6 m/s (1 ft/s) Pressure: 90-150 psi Temperature: 35◦ C Results: 3 simulated leaks created and detected Pure Technologies (Pure) has conducted two inspections of a 12-inch mutli-phase product pipeline in eastern Brazil, owned by Petrobras. Pure utilized its 10” Polyurethane coated...
Fugitive Gas Emissions In The Petroleum & Natural Gas Industry
Challenge: Fugitive emissions in the petroleum and natural gas industry can come from a variety of sources and are classified as intentional (venting from tanks, compressor vents and stacks) or unintentional (equipment wear and tear, improper assembly, damage or manufacturing defects). Most of these fugitive gas leaks are considered insignificant or too small to determine the location of the leak for repairing. New studies have proven that these fugitive leaks not only waste substantial amounts of potential...
Argon leak detection at aluminium casting process plant
GasCheck Gl Detects Argon Leaks in Nissan Motors Aluminium Casting Process PlantApplication: Argon Leak Detection at Aluminium Casting Process PlantEnd User: Nissan MotorsLocation: Sunderland, UKIon Science Distributor: Javac, UKIntroductionJAVAC Ltd, has recently sold a GasCheck Gl to Nissan Motors, Sunderland, UK to detect argon leaks.JAVAC are specialists in the vacuum and refrigeration process industry, supplying leak detector s to the automotive, industrial, laboratory and refrigeration sectors.ApplicationThe...
Monitoring And Analysis of Landfill Gases
CoGDEM is the trade association representing manufacturers and service providers who are active in the field of gas detection instrumentation and environmental monitoring apparatus. Crowcon Detection Instruments Ltd was one of the founding members of CoGDEM, and in this article their Product Manager of Fixed Systems, Andy Avenell, gives an update on Landfill Gas. Landfill is by far the most common method of waste disposal in the United Kingdom. Despite the increase in recycling, data from the latest Defra*...
WATER: Listening closely
Birmingham Water Works (BWW) is a big water system in a drought-stricken region. Leaks are an obvious concern, and in 1999 the nonrevenue water percentage had crept up to an expensive and unacceptable 25 percent. With 600,000 customers and more than 4,000 miles of mostly ductile iron line to maintain, and with limited manpower, the utility had limited options. “A manual leak survey of the entire system takes 30 months,” says Revenue Water Depart-ment manager Geoff Goodwin. “Since our main service area is also...
Comparing the Realities of Elemental Chlorine vs. Sodium Hypochlorite
Recently, we have seen a growing trend towards the use of a less reliable and more costly disinfection chemical, Sodium Hypochlorite. Much of this can be attributed to the fact that large companies making chemical metering pumps for other uses or other alternative disinfection devices as well as chemical suppliers who profit more by selling costly Sodium Hypochlorite have proliferated misleading information about Chlorine gas. It is inarguable fact that elemental Chlorine (gas) is more reliably fed, more...
Compressed Gas Safety Guide
Use and storage of any compressed gas under high pressure can be extremely dangerous if proper gas handling procedures are not observed. Moreover, chemical characteristics of specialty gases themselves can pose serious health hazards if containment is not tightly controlled. Paying close attention to a compressed gas product’s technical and safety information is invaluable for maintaining a safe, productive working environment and for ensuring reliable, efficient use of compressed specialty gases for any applicatio...
STOP IT Refineries & Petrochemical - Case Study
Major Southern Refinery in Mississippi: STOP IT® was used on a 3/4` diameter galvanized pipe carrying steam condensate. The operating pressure was 135psi with a temperature of 200°F. They used two rolls of 2`×4` STOP IT® to seal the leak. Quote:`Thanks for providing a quick and economical fix for leaks that do not lend themselves to clamps. Provides time until system shutdown allows replacement to be made.` --------------------------From a Refinery in the Houston / Texas City, Texas Industrial...
Improved Control for your Cooling Tower and Boiler
The power of microprocessor based programming along with the ease of interfacing with standard Internet based controllers has enabled improved cooling tower and boiler control with just the click of a mouse. Many of these improvements can significantly enhance your chemical treatment program, and provide greater flexibility in your chemical treatment program. These new algorithms offer significant improvement over previous `simple` control, and provide techniques for providing a significant return on investment...
Online Instrumentation to Protect Wastewater Facilities from Toxic Chemicals
ABSTRACTSecurity concerns are driving current research to develop means of detecting toxic chemicals in wastewater influents as few online instruments are currently available for this purpose. Online respirometers such as the STIPTox are the obvious choice using existing, established technology. One of these units was recently used successfully in the WERF project 03-CTS-7S “Feasibility Testing of Support Systems to Prevent Upsets” to detect 5 out of 6 known toxins. In the same project a decision support system...
Ford Motor Co. Ltd reduce emissions by 5.1% on gas fired boiler plant using Maxsys Fuel Systems.
As part of an ongoing objective to reduce emissions and conserve energy at the Ford Motor Company’s Dunton Technical Centre, Maxsys Fuel Systems have been fitted to the boiler plant, helping the company to achieve over 5% reduction in gas usage with a commensurate reduction in emissions. The Energy Committee at Dunton decided to investigate ways of reducing gas usage by improving efficiency. As part of this review, the committee focused on potential for energy savings at the Dunton Technical Centre which...
Minimizing Refrigerant Emissions in HVAC Systems
Managing the operation and maintenance of a facility's air conditioning equipment has always been a major responsibility, as chillers often represent the single largest electrical load in a facility. Since the annual cost of operating chillers is a major component in both the electrical and maintenance budgets, engineering and maintenance managers should take the necessary steps to ensure systems operate efficiently, effectively and safely. The phaseout of ozone-depleting refrigerants has made management of...
GE Leakwise Application Notes: Leak Detection for a Floating Roof Oil Storage Tank
Oil Storage Tank with a Floating Roof Floating Roof Drainage Operation Stormwater accumulated on a concave floating roof of an oil storage tank may affect its floatation, making it necessary to immediately drain the water. This is usually done through a flexible pipe, running from the floating roof down the tank, with an outlet above the ground near the bottom of the tank. Problems in Roof Drainage OperationThe following problems may occur in the operation of a floating roof drainage system: Small or large...
Multiple gas impurity analyses and verification for semiconductor process tools
With the increased emphasis on the purity of cleaning, etching and treatment gases by the semiconductor industry, advanced analysis instrumentation is required to monitor the electronic specialty gases and to verify the performance of process tools and components. This paper describes new instrumentation and software specifically designed to accomplish ppb level gas analyses in times as short as 15 seconds. The overall system description is called IRGAS, which stands for “Integrated Real-Time Gas Analysis...
Ground Zero Air Quality Has A Long Way To Go! A Summary of Air Quality Testing in Surrounding ...
There are still a wide range of concerns about air quality in the vicinity of Ground Zero. Many commercial and residential spaces have yet to be re-occupied. In only a few cases has any sort of inspection or testing been done to determine if they are safe to occupy. The greatest concerns are asbestos and the very irritating concrete dust that spread throughout lower Manhattan during the collapse and the days following. In Lower Manhattan buildings, whether occupied or not, the potential for problems is not over...
Accelerating Aerobic Biodegradation of GRO/DRO: A Five-Year Study (PDF)
Gasoline Range Organics (GRO) and Diesel Range Organics (DRO) contaminated the aquifer underlying a warehouse/equipment storage facility in Homer, AK. This contamination originated from leaks in underground storage tanks located in the northern section of the site. Groundwater flow at the site is controlled in large part by a finger drain running through the facility. This finger drain, cut four feet into the ground and filled with coarse gravel, is responsible for the majority of contaminant migration. This...
Performance-Based Measurement Systems
Many of the Environmental Protection Agency`s (EPA`s) methods used to monitor air, water and soil for environmental contaminants prescribe step-by-step details on how the chemical analysis must be conducted and prohibit any deviations or variations. The EPA has recognized that monitoring equipment and technology have improved tremendously over the last few years; that environmental media do not always act the same way for each analysis; and that the matrix may affect the analysis and results. The EPA has been...
Introduction The leak repair requirements, under Title VI Section 608 of the Clean Air Act Amendments of 1990, require that when an owner or operator of an appliance that normally contains a refrigerant charge of more than 50 pounds discovers that refrigerant is leaking at a rate that would exceed the applicable trigger rate during a 12-month period, the owner or operator must take corrective action. The Clean Air Act also requires that refrigerant vented into the atmosphere during installation, service or...
FIELD PORTABLE X-RAY FLUORESCENCE SPECTROMETRY FOR THE DETERMINATION OF ELEMENTAL CONCENTRATIONS IN ...
The FPXRF technologies described in this method use sealed radioisotope sources to irradiate samples with x-rays. X-ray tubes are used to irradiate samples in the laboratory and are beginning to be incorporated into field portable instruments. When a sample is irradiated with xrays, the source x-rays may undergo either scattering or absorption by sample atoms. This later process is known as the photoelectric effect. When an atom absorbs the source x-rays, the incident radiation dislodges electrons from the...
Calculating Accidental Release Flow Rates From Pressurized Gas Systems
When determining the consequences of accidental release flow rates from pressurized gas systems, it is important to select the appropriate type of air pollution dispersion model. For released gases which are lighter than or equal to the ambient air density, Gaussian dispersion models as described in Beychok`s text1 should be used. For released gases which are heavier than air, a dense gas model such as SLAB2 or DEGADIS3 should be used. It is also important to determine realistic flow rates for accidental release...
Chlor-Alkali Plants Industry - Pollution Prevention Guidelines
Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum emissions levels that are normally achievable through a combination of cleaner production and end-of-pipe treatment. The guidelines are designed to...
Inspection Manual: Federal Equipment Leak Regulations for the Chemical Manufacturing Industry
Untitled Document Abstract The purpose of this manual is to enhance an inspector`s ability to conduct more complete and effective inspections at facilities in the chemical industry that are subject to Federal equipment leak regulations. Equipment leak standards are designed to reduce or eliminate emissions of volatile organic compounds (VOCs), volatile hazardous air pollutants (VHAPs), and organic HAPs from the miles of piping and numerous components found in chemical manufacturing processes. This...
Understanding Pump Cavitation
Cavitation is a major problem in the chemical industry because it affects a basic tool, the centrifugal pump. A sudden increase in the velocity of the pumped liquid reduces the inlet pressure, sometimes below the vapor pressure.The result is formation of gas and bubbles. Detecting the signs of cavitation, and correctly identifying and understanding the type of cavitation present, can help an operator prevent serious damage. HOW CAVITATION OCCURS The pressure of the liquid in a centrifugal pump drops as it...
`Selected Articles & Reports (multiple file page)
HYPOTHESIS: H1 - Environmental performance…affects the financial performance and market valuation of a firm.H2 - The importance of strong environmental management varies across industries. H3 - Environmental management is becoming an increasingly important dimension of firm management and operations strategy. As such, strong environmental performance is increasingly valued by financial markets. METHODOLOGY: The authors chose to use event study methodology to determine the effect ofenvironmentally-related news...
Calibration of Thermal Conductivity Sensors for Measuring Soil Suction
The accuracy of suction measurements using thermal conductivity sensors is dependent upon their calibration. Therefore, a calibration study was undertaken by using a modified, commercially available, pressure plate extractor. The experimental setup along with the calibration procedure are described. Typical calibration results are presented. In general, results showed reasonable agreement between the calibration curve determined in this study compared to those provided by the manufacturer for matric suction...