Volatile organic compounds (VOCs) have been found to be a major contributor to air pollution in many chemical and industrial processes. Recently, a new class of solvents–ionic liquids, which are chemically stable and non-volatile liquid organic salts at temperatures less than 100 C, have attracted widespread interest due to its negligible volatility, nonflammability and high ionic conductivity....

SPECIATE is the U.S. Environmental Protection Agency's (EPA) repository of volatile organic compounds (VOCs) and particulate matter (PM) speciation profiles of air pollution sources. These source profiles can be used to (1) provide input to chemical mass balance (CMB) receptor models; (2) verify profiles derived from ambient measurements by multivariate receptor models (e.g., factor analysis an...

Abstract VOCs are the main source of indoor environmental pollution. Bodalal established a mathematical model emission characteristics, which provided reference for many scholars to study diffusion VOCs. However, there some logical errors in process derivation, make difficult understand. In paper, first, reasons error derivation pointed out detail. Second, using Laplace–Carson transform and gen...

“Volatile Organic Compounds” (VOCs) are known to contribute significantly environmental pollution. Crude oil loading operations in a marine tanker produces significant quantity of hydrocarbon (HC) vapours the surrounding atmosphere. A large percentage these HC vapour emission consists ‘Volatile Compounds’ (VOCs). This VOC has not been previously analysed detail understand health and impact. The...

Air pollution are basically the foreign material in the air—can be manmade or occur naturally, and are concentrated where people are concentrated. Pollution is injurious to health and its prevention places an economic burden on the citizen. Further emission reductions from automobiles, and transportation measures and programs will be more difficult to accomplish, but the challenge has been pres...

Organic contaminants, volatile organic compounds (VOCs), and heavy metals have posed long-term threats to the ecosystem human health. Natural minerals aroused widespread interest in field of environmental remediation due their unique characteristics such as rich resources, environmentally benign, excellent photoelectric properties. This review briefly introduced contributions natural sulfide mi...

T he atmospheric chemistry that leads to photochemical smog and climateactive aerosols requires the presence of volatile organic compounds (VOCs) (1, 2). The VOCs in urban air typically derive from the prevailing energy and transport technologies as well as the use of petrochemical-derived products. On page 760 of this issue, McDonald et al. (3) report that a notable change in emissions may be ...

Volatile organic compounds (VOCs) play an important role in atmospheric chemistry. Primary VOCs take part chemical and photochemical reactions, contributing to ozone (O3) secondary aerosol (SOA) formation, which may cause air pollution problems. High VOC concentrations might lead dizziness, nausea, headaches, genotoxicity, reproductive weakness, other diseases harmful human health. Several stud...