acid gases

acid gases

[′as·əd ′gas·əz]
(chemical engineering)
The hydrogen sulfide and carbon dioxide found in natural and refinery gases which, when combined with moisture, form corrosive acids; known as sour gases when hydrogen sulfide and mercaptans are present.
References in periodicals archive ?
The second contract, 'Gas Treatment and Sulphur Recovery' is related to the Marjan field and will concern the construction of a gas treatment unit and of another unit for the recovery of acid gases for sulphur production.
The Marjan field contracts involve the construction of a gas treatment unit, and a facility for the recovery of acid gases for sulfur production.
The second contract, "Gas Treatment and Sulfur Recovery" is related to the Marjan field, concerns the construction of a gas treatment unit and of another unit for the recovery of acid gases for sulphur production.
Process intensification, achieved through designed solvent formulations, presents opportunities for total cost reduction in comparison to alternative and incumbent treatment methods that address the acid gases and sulfur species separately.
It can be achieved by removing acid gases from gas streams regarding to this fact that natural gas is one of the most important origins of acid gases particularly carbon dioxide.
They address the science and technology of the injection of acid gases (hydrogen sulfide, carbon dioxide, and their mixtures) for disposal or enhanced recovery, including acid gas injection, carbon capture and sequestration, and enhanced oil recovery.
The court decision means the nation's first limits on pollutants from coal- and oil-fired power plants, including mercury, arsenic and acid gases, will remain in place.
One example is the use of membranes, which are being utilised today to remove hydrogen sulfide and carbon dioxide from acid gases.
These products remove mercury from systems where acid gases are present and permit coal fired power plants to meet the US Environmental Protection Agency's Mercury & Air Toxics (MATS) standards with the use of 50% to 70% less activated carbon than other commercially available flue gas adsorbents, the company said.
The entities have so far supplied 22 commercial DSI systems, or 40% of the total DSI units sold to utility clients for controlling acid gases.
Austin, Texas-based Skyonic Corp.'s electrolytic carbon capture technology, SkyMine, will selectively remove C[O.sub.2], acid gases and heavy metals emitted from the cement plant's Hue gas streams and recycle it into hydrochloric acid, sodium bicarbonate and other byproducts Skyonie estimates the Capitol Aggregates installation will capture CO2 at a substantially lower cost than competitive technologies.