Showing results for: non-methane hydrocarbons News
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2 minutes for CH4 and NMTHC quantification without matrix effects
Unlike instruments that measure only methane and total hydrocarbons, the chromaTHC developed by Chromatotec® provides a direct measurement of methane and non-methane concentrations without any calculation or conversion. This allows accurate and precise measurement of low levels of non-methane hydrocarbons (NMTHC), even in the presence of methane at much higher concentrations. The GC column ...
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EPA Proposes First Onboard Diagnostic Systems for New Large Trucks and Buses
For the first time, EPA is proposing to require the emissions control systems of large diesel and gasoline highway trucks and buses to be monitored similarly to passenger cars. EPA's proposed regulation for onboard diagnostic (OBD) systems for large trucks and buses would help ensure that emissions control systems work properly for the useful life of heavy-duty on-road vehicles. Onboard ...
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Presentation ACHEMASIA 2007 - Beijing China
AUTOMATED ON-LINE MONITORING OF VOC AT THE PPB LEVEL « AIRMOZONE BTX INCLUDED » Mr Amiet’s presentation Friday, 18 May 2007 – 10.15 a.m. Forum 1 (between Exhibition Hall 2 and 3) Volatile Organic Compounds represent more than 300 identified compounds. Non methane hydrocarbons from 2 to 12 carbon atom number are the main part of VOC in urban ambient air. Due to their ...
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Mercury Marine`s environmental stewardship
A recent expansion at Mercury Marine in Fond du Lac Wisconsin has caught the attention of professionals in the energy and environmental industries. At an event this past May, the Wisconsin Association of Energy Engineers (WAEE) showcased Mercury's new process equipment and pollution control system. The 75 attendees consisted of facility engineers, plant managers, project managers, ...
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Western China International Fair
October 18th through 22nd 2011 Western China International Fair took place in Chengdu. With many highly interested visitors seeing us in our booth as part of the Bavarian Pavilion, the WCIF was a very successful event for us. We displayed a small Total VOC CEM using our model 109L analyzer. We also showed one new and two recently redesigned hydrocarbon analyzers; The new model 603 heated FID, the ...
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EPA Rule Cuts Air Toxics From Passenger Vehicles, Gasoline
WASHINGTON, DC - The U.S. Environmental Protection Agency, EPA, Friday finalized new standards for emissions of toxic fumes from mobile sources such as gasoline, passenger vehicles, and gas cans. The mobile source air toxics, MSAT, rule is intended to cut emissions of benzene, a known carcinogen, and other hydrocarbons such as 1,3-butadiene, formaldehyde, acetaldehyde, acrolein, and ...
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Total hydrocarbons : THC & BTEX
Discover more about our ChromaTHC The ChromaTHC is a ppm range methane and non methane total hydrocarbon (THC) analyzer which uses flame ionization detection (FID). It is a continuous online fully automatic gas chromatograph with a cycle time of 5 minutes and an extremely low detection level. Whether it is used in an ambient air, emission, industrial hygiene or pure gas applications, the ...
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Earth Day 2022:Invest in Our Planet, Together to the Future
This year marks the 52nd Anniversary of Earth Day. The purpose of this day is to highlight the global effort it takes to restore our Earth for the benefit of everyone and future generations. Each Earth Day, people around the world mobilize to raise awareness of important environmental issues. The theme for Earth Day 2022 is "Invest in Our Planet." In the context of China's 14th Five-Year Plan and ...
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FPI Solution: FPI Volatile Organic Compounds Monitoring Solution
Volatile organic compounds (VOCs) are organic compounds involved in atmospheric photochemical reactions, including non-methane hydrocarbons (alkanes, olefins, alkynes, aromatic hydrocarbons, etc.), oxygen-containing organics (aldehydes, ketones, alcohols, ethers, etc.), chlorine-containing organics, nitrogen-containing organics, sulphur-containing organics, etc., and they are the important ...
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Mercedes-Benz Dinged $60 Million for Air Pollution Control Defects
WASHINGTON, DC (ENS) - Mercedes-Benz will pay $1.2 million in civil penalties to resolve its failure to promptly notify the U.S. Environmental Protection Agency, EPA, about air pollution control defects on numerous 1998 - 2006 model vehicles, the agency said Thursday. Mercedes must also improve its emissions defect investigation and reporting system to ensure future compliance, at an estimated ...
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