Formaldehyde Monitoring Applications

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  • Category: Monitoring & Testing ×

  • Subcategory: Formaldehyde Monitoring ×

PLAZKAT systems for treatment of emissions from ferrous and non-ferrous metal working industries

by Plasma Air Systems Corporation     based in Harju Maakond, ESTONIA

Metal casting and heat treatment processes are associated with harmful gaseous emissions into the atmosphere which include substances such as carbon monoxide, nitrous oxides, oil vapors and sulfur dioxide.

PLAZKAT systems for treatment of food industry emissions

by Plasma Air Systems Corporation     based in Harju Maakond, ESTONIA

Manufacturing and processing food products produces emissions that must be treated. Firstly, emissions produced by heat-treating raw materials should be treated, in particular carboxylic acids, formaldehyde and acetone.

Measurement solution for formaldehyde FTIR measurement

by Protea Limited     based in Middlewich, UNITED KINGDOM

Reciprocating internal combustion engines burning natural gas are a source of formaldehyde emissions. There are strict tolerances imposed on operators of engines to ensure that formaldehyde is removed effectively and that formaldehyde emissions are below published limits. The only instrumental method for formaldehyde monitoring is FTIR, following procedures such as US EPA Method 320 and Environment Agency TGN M22. Protea’s FTIR gas analysers have been specifically designed to follow these methods and our FTIR analyser have been proven in formaldehyde emission measurements over many years.

PLAZKAT systems for treatment of woodworking industry emissions (plywood, woodchip and wood-fiber production)

by Plasma Air Systems Corporation     based in Harju Maakond, ESTONIA

One of the problems arising in wood processing and production of popular materials based on wood, such as plywood, wood-chip and wood-fiber materials (chipboard, hardboard, OSB) is removing harmful substances from the air. Emissions from these industries are characterized primarily by the presence of phenol and formaldehyde, and the level of discharge is significant, up to 100 000 m3/hour of contaminated air.

Measurement solution for hydrogen fuel cell testing

by Protea Limited     based in Middlewich, UNITED KINGDOM

As the alternatives to fossil fuels for power generation and automotive power become more widespread and preferred, so has increased the research and testing of hydrogen gas in fuel cells. The hydrogen (H2) gas used in fuel cell has to be free of impurities in order to make the fuel cell as efficient as possible and so quality thresholds have been set in legislation. Such legislation as SAE J2719 provides hydrogen fuel quality standards for proton exchange membrane (PEM) fuel cell vehicles. If impurities above these thresholds are present in the H2 fuel then there is a risk of not only making the cell inefficient, but also unrecoverable back to its peak operating voltage as the fuel cell electrode becomes poisoned.

Formaldehyde and Acetaldehyde Determination in Air Using Fully Automated On-Line Desorption and Analysis of DNPH Cartridges

by Sigma-Aldrich Co., LLC     based in Bellefonte, PENNSYLVANIA (USA)

Airborne aldehydes and ketones are collected by passing air through a cartridge containing 2,4-dinitrophenylhydrazine (DNPH). Carbonyl compounds react with the DNPH to form hydrazones, which are immobilized on the cartridge. These compounds can be easily eluted from the cartridge with acetonitrile and analyzed by HPLC with UV detection. Traditionally, this analysis including the workup contains a series of manual steps, which can become time-consuming and could incur experimental error. Automating the extraction of LpDNPH S10 cartridges and putting it in-line with the HPLC analysis will significantly reduce manual labor using this technique and this will improve reproducibility of the method by reducing potential experimental errors by the operator. The automation and unattended operation of the method leads to high throughput for determining airborne formaldehyde and acetaldehyde.

Measurement of formaldehyde in ambient air for monitoring workplace exposure limits

by MOCON - Baseline     based in Lyons, COLORADO (USA)

The Series 8900 Formaldehyde Analyzer provides direct measurement of Formaldehyde in ambient air. This instrument is utilized in industrial plants to monitor workplace exposure limits. The Series 8900 Formaldehyde Analyzer employs a flame ionization detector (FID) as the sensing element. A dual column configuration with timed backflush to vent is used to strip off moisture and heavier hydrocarbons. A pre-cut column is used in series with the analytical column. At sample injection a fixed volume of sample is carried to the pre-cut column. Backflush is timed so that only the Formaldehyde and other similar components are eluted to the analytical column. Contaminants on the pre-cut column are backflushed to vent. Formaldehyde is separated from potentially interfering components on the analytical column and elute to the detector for analysis.

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