H2S analyser with sample conditioning system
January 2001
Analytical Instrumentation & Environmental Monitoring
Ametek Western Research (represented locally by OEN Enterprises) has introduced a low maintenance, reliable and rugged H2S analyser. The Model 933 uses Ametek Western Research's frontal elution chromatography sampling technique combined with their high-resolution multiwavelength UV optical bench. This results in a low level H2S analyser that is designed to operate unattended for six months or more.
The analyser offers self-recovery after high concentration H2S events and a fast response time for increasing or decreasing H2S concentrations. No consumables, reagents or disposables are necessary other than zero gas.
Accurate analysis of the gas is performed via direct UV absorption spectroscopy. In sales gas applications, H2S and COS are the first absorbing species to elute through the chromatography column. These compounds are analysed photometrically. The next species to elute is methyl mercaptan, which is also measured, and finally, the interfering ethyl mercaptan. Two columns are employed in the Model 933. While one column is conditioning the gas sample, the other is automatically regenerated.
Two on-board microprocessors perform concentration calculations, data processing, calibration, sophisticated self-diagnostics and column switching control. Typical applications for the analyser include gas sweetening, pipeline quality/custody transfer, synthetic natural gas and in blending stations.
Further reading:
Ensuring occupational health and safety in mining
Analytical Instrumentation & Environmental Monitoring
Probe Integrated Mining Technologies (Probe IMT) has partnered with M3SH Technology to offer state-of-the-art environmental monitoring solutions that address these dual requirements.
Read more...
Sustainability of surface water
Endress+Hauser South Africa
Analytical Instrumentation & Environmental Monitoring
The sustainability of surface water is critical for South Africa’s economic development, social well-being and environmental health. Endress+Hauser has a full range of liquid analysis sensors and transmitters to measure important parameters and has an excellent global track record in water and wastewater process plants and various surface and industrial water monitoring sites.
Read more...
Keeping an eye on invisible radiation
Omniflex Remote Monitoring Specialists
Analytical Instrumentation & Environmental Monitoring
At its peak in 1994, the energy generation capacity of the UK’s nuclear power stations was 12,7 GW across 16 plants. In 2024, the capacity has fallen to around 5 GW, and the number of stations is down to nine. However, this is far from the end of the story as spent nuclear fuel remains radioactive for centuries, and requires rigorous safety processes to safeguard against leaks.
Read more...
Effective dust control in sugar processing
Analytical Instrumentation & Environmental Monitoring
BLT WORLD specialists work in conjunction with the global ScrapeTec team to offer dependable solutions for specific problems at the transfer points of conveyor systems in many industries where dust and material spillage are concerns, including the sugar sector.
Read more...
A benchmark for lubricant reliability in mining
Analytical Instrumentation & Environmental Monitoring
According to Craig FitzGerald from ISO-Reliability Partners, mines can save R500 000 or more on their yearly mill cleaning costs, while electricity consumption can be reduced by up to 12%, and lubricant consumption lowered up by up to 60% when using Bel-Ray Clear Gear lubricant.
Read more...
Safeguarding precision in industrial radiometric measurements
Mecosa
Analytical Instrumentation & Environmental Monitoring
In the complex landscape of industrial plant operations, precision is paramount, especially when it comes to weld inspections to test for structural integrity of pipes. Berthold has the ideal answer to this challenge – X-Ray Interference Protection.
Read more...
New indoor air quality monitor
RS South Africa
Analytical Instrumentation & Environmental Monitoring
RS South Africa has available a new indoor air quality (IAQ) monitor that provides continuous, easy-to-read, and accurate real-time monitoring of air quality in indoor environments.
Read more...
A quick guide to disinfection
Endress+Hauser South Africa
Analytical Instrumentation & Environmental Monitoring
The distribution system in a drinking water network provides a reliable supply of high-quality water to consumers. Endress+Hauser’s range of robust, low-maintenance sensors are ideal for monitoring disinfectant levels in the water.
Read more...
Multi-parameter measuring system for water quality monitoring
KROHNE
Analytical Instrumentation & Environmental Monitoring
Monitoring different parameters in water treatment processes can lead to a situation where different measuring points are scattered across the plant.
Read more...
Optimising energy consumption in the chemical industry
Anton Paar
Analytical Instrumentation & Environmental Monitoring
To optimise energy consumption and save valuable resources on chemical process plants, operators have to continuously measure parameters such as concentration, raw density, sound velocity and refractive index. With Anton Paar’s wide product range, the process application team has many options for cutting-edge laboratory measurement technologies, and can develop tailor-made mathematical models for every application.
Read more...
printer friendly version