Air & Climate Articles

Environmental Issues Controlling the off-gas from a remediation project, where high concentrations of petroleum hydrocarbons are present, can be a difficult if not dangerous process when utilizing internal combustion engines and conventional oxidation technology. In more recent years, the use of high vacuum pumps to accomplish both liquid and gas phase extraction — sometimes ...

Nov. 21, 2018

By Catalytic Combustion Corporation (CCC)

Atmospheric Pressure Interface for the Modular ioniTOF Platform The ioniTOF is our modular and flexible, entry-level to high-resolution Time-of-Flight platform, featuring custom interfaces and high-performance IONICON hexapole ION-GUIDEs. All our renowned PTR-TOFMS series products are exclusively based on the ioniTOF. Now we took this concept one step further and developed an Atmospheric ...

Nov. 13, 2018

By Ionicon Analytik Ges.m.b.H.

Hydrogen sulfide, H2S, is a very poisonous, corrosive, and flammable gas. As such, it needs to be carefully monitored and controlled in industrial processes where it is generated or used. At relatively low concentrations, it has an odour of rotten eggs which effectively works as a warning, but at higher concentrations where it becomes acutely toxic and even lethal, it can no longer be smelled ...

Oct. 14, 2018

By Opsis AB

What is a Surfactant? Surfactants are a primary component of cleaning detergents. The word surfactant means surface active agent. As the name implies, surfactants stir up activity on the surface you are cleaning to help trap dirt and remove it from the surface. Surfactants have a hydrophobic (water-hating) tail and a hydrophilic (water-loving) head. The hydrophobic tail of each ...

Jul. 30, 2018

By International Products Corporation

Air pollution and NOx emissions from diesel engines are a global concern due to their potential impacts on human health. Researchers worldwide are developing new and improved methods to reduce NOx emissions. Infrared spectroscopy in the gas phase, which is made possible using FTIR gas cells from Specac, has an important role to play in this ...

Feb. 7, 2018

By Specac Limited

Pushing the limits of Thermal Analysis using Axetris MFCs An international quality leader for Thermal Analysis solutions relies on Axetris mass flow controllers (MFCs) and has done so for many years. Axetris mass flow solutions help maximize performance while using analysis techniques such as Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC). ...

Jan. 22, 2019

By Axetris AG

Proficiency testing ensures workplace & consumer safety The Health and Safety Laboratory (HSL) runs a state-of-the-art atmosphere generation system for recreating polluted atmospheres and accurate loading of standards of hazardous materials such as VOCs. These standards are used for conformity testing by participating laboratories as part of proficiency testing schemes. Axetris' mass ...

Jan. 22, 2019

By Axetris AG

Axetris MFCs used for CO2 isotope tracking Swiss Federal Laboratories for Materials Science and Technology (Empa) is using Axetris mass flow controllers (MFCs) in its research laboratory at the Jungfraujoch High Altitude Research Station, located at the "Top of Europe." Axetris MFCs were chosen to fulfill the strict demands of repeatability and stability for enabling high-performance ...

Jan. 22, 2019

By Axetris AG

Destruction of ODSs ODSs are substances that cause the depletion of the ozone layer. Depletion is typically caused by the photo-dissociation of halocarbons and catalytic destruction of ozone by the resulting atomic halogens. The majority of these halocarbons are man-made and have such serious affects to the ozone requiring control synchronized by the Montreal Protocol. ...

Jan. 18, 2019

By econ industries services GmbH

Destruction of POPs POPs are molecules that persist in the environment due to their low degradability due to natural processes, and their characteristic of bio-accumulation. Due to their persistence, the bio-accumulation of these molecules over long periods of time causes hazardous effects on flora and fauna, and through the food chain, on human health. ...

Jan. 18, 2019

By econ industries services GmbH

Problem 1 – Fouled Air Scrubber System ...

Jan. 9, 2019

By AMSA, Inc.

The term sustainability is used more and more but there is a multitude of different definitions and applications for this term in the horticultural industry. Sustainability is defined as the “avoidance of the depletion of natural resources in order to maintain an ecological balance.” ...

Jan. 6, 2019

By BioSafe Systems, LLC

The atmospheric temperature distribution is typically described by its mean and variance, while higher order moments, such as skewness, have received less attention. Skewness is a measure of the asymmetry between the positive and negative tails of the distribution, which has implications for extremes. It was recently shown that near-surface temperature in the southern hemisphere is positively ...

Jan. 3, 2019

By American Meteorological Society

Precision control and measurement accuracy are the key requirements for gas mixing and blending applications. Vögtlin’s thermal mass flow regulators permit both master-slave mixtures and gas mixtures with fixed percentage proportions. ...

Jan. 1, 2019

By iCenta Controls Ltd

For automatic or manual control, Voegtlin’s thermal mass flow controllers allow high precision regulation of gas flow rates and consistent quality of gas mixtures. The fast control response minimises the setting time. CMOS Sensor Technology By using high-precision CMOS technology (semiconductor sensors) Voegtlin’s thermal measurement and control devices ...

Jan. 1, 2019

By iCenta Controls Ltd

Efficient control of gas atmospheres requires excellent measurement stability and a maximum level of automation. When controlled by a remote signal (eg CO2 gas sensor), Vögtlin’s thermal mass flow controllers offer a short reaction time and fast regulation for optimising control of gas atmospheres. Gas mixtures remain stable and adapt rapidly to new requirements. Benefit From The ...

Jan. 1, 2019

By iCenta Controls Ltd

Vogtlin mass flow controllers are an excellent tool for precise control of gas flows in bioreactors. Bio reactors are used for critical and delicate processes where mass flow control of relevant gases need to be reliable, repeatable and flexible. For example, the dissolved oxygen needs to be carefully controlled to obtain repeatable pH control and volumes of fermentation gases like CO and H2 ...

Jan. 1, 2019

By iCenta Controls Ltd

Overview Our planet is getting warmer. At what rate it is occurring or how much human activity has to do with the increasing temperatures is a heated debate. One thing we do know for sure is that Carbon Dioxide (CO2) is a contributing factor in global warming and humans are responsible for a large portion of these emissions. These days, many individuals and businesses alike are trying to ...

Dec. 26, 2018

By Anguil Environmental Systems, Inc.

filter bag manufacturer     The research report first makes known to the Filter Bags basics: descriptions, classifications, applications and industry chain overview, industry policies and plans, product specifications, manufacturing processes, value structures and so on. Then it analysed the world’s main region Filter Bags market ...

Dec. 25, 2018

By Anhui Filter Environmental Technology Co.,Ltd

The representation of the ENSO and NAO are examined in the Climate Forecast System Version 2 (CFSv2) reforecasts with a focus on the physical processes related to teleconnections and predictability. The CFSv2 predicts the ENSO well, but an eastward shift of the tropical Pacific sea surface temperature (SST) anomalies is evident. Although it appears minor on the global scale, the shift in ...

Dec. 25, 2018

By American Meteorological Society