Bibliography: p. 53-54.
|Statement||[by] C. M. Killick.|
|LC Classifications||TD885.5.S85 K54|
|The Physical Object|
|Pagination||, 54 p. :|
|Number of Pages||54|
|LC Control Number||76367241|
Sulfur dioxide occurs naturally in the atmosphere at concentrations of about 1 ppb. It is produced when sulfur-containing hydrocarbon fuels are burned, leading to the phenomenon known as “acid rain”. Industrially it is used as a bleach, disinfectant and fumigant. It is commonly used as a preservative in the food and beverage industry. sulfur species and enables high sensitivity ppm level measurements. Analysis of sulfur compounds using Rosemount XA Gas Chromatograph Equipped with a µFPD, the Rosemount XA Gas Chromatograph measures H 2 S and COS as discrete components and measures all other sulfur components as a single backflushed (RSH+) peak. Continuous Monitoring of Atmospheric Sulfur Dioxide with Amperometric Instruments Determination of Mercaptan Content of the Atmosphere Determination of Sulfur-Containing Gases in the Atmosphere (Continuous Method with Flame Photometric Detector). the remaining sulfur gases to sulfur vapor, but the combined effect of the entire unit is to reduce the hydrogen sulfide content to an acceptable level. High Yields Plus Energy Claus sulfur plants can normally achieve high sulfur recovery efficiencies. For lean acid gas streams, the recovery typically ranges from 93% for two-2 S and SO 2.
1 Guide for Implementation of Sulphur Oxide Exhaust Gas Cleaning Systems 1 Introduction Sulphur oxide (SOx) Exhaust Gas Cleaning Systems (EGCS) are principally used to remove sulphur dioxide (SO 2) from air emissions associated with exhaust gases that are inherent with the relatively high sulphur content of marine fuels. EGCS can also. The monitoring equipment works well for the intended purpose but it does not provide comprehensive data on all potential sulfur compounds flowing in the gas supply. Gas Rule 21 can be found in the Web tariff book and the sulfur limits are summarized below. Mercaptan Sulfur: The gas shall contain no more than grain (8 ppm) of. Acid gases in a refinery are carbon dioxide (CO 2) and hydrogen sulphide (H 2 S). Sour gas is the gas containing sulfur compounds, such as mercaptans and carbonyl sulphide (COS). Gas with only CO 2 is called sweet gas. Although the main gas treatment processes emit CO 2 and H 2 O, CO 2 is. Sulfur dioxide has a direct impact on human health and is responsible for a variety of respiratory problems (Table ).Like most air pollutants, sulfur dioxide poses a greater threat to sensitive groups such as the elderly, asthmatics, and young children. By contributing to acid rain, sulfur dioxide can have significant impacts on plants, surface waters, and buildings.
A gas-purification method, based on the condensation of nitrogen, sulfur, and carbon-containing environmentally hazardous gases produced from industrial processes, is proposed in this article. The most straightforward definition of an acid gas is any gaseous compound which, when dissolved in water, will form an acidic solution. The most common types of acid gas are carbon dioxide (CO2) and hydrogen sulphide (H2S), though there are many other varieties as well, including hydrogen chloride (HCI), hydrogen fluoride (HF), sulphur oxides (SO2 and SO3) and nitrogen oxides (NOx). Sulphur (source sulphide ) Water Air • Sulfur burning • Pyrites roasting • Metal sulfide roasting and smelting • Metal sulfate roasting • Combustion of H2S or other sulfur- containing gases H = kJ/mole Sulfur dioxide, SO2, is a colorless gas or liquid that has a strong, odorous smell. It is derived from the burning of fossil fuels (coal and oil) and the smelting of sulphur-containing mineral ores (aluminum, copper, zinc, lead and iron). The sulfur dioxide quickly dissolves to form sulfuric acid in water.