WebMunicipal solid waste incineration (MSWI) and iron and steel making plants are two of important sources of chlorinated aromatic hydrocarbons (CAHs). In this study, the … WebAbstract An increasing number of studies have indicated that environmental contamination with chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) has been …
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WebApr 14, 2024 · To determine the competitive adsorption characteristics and influencing factors of chlorinated and aromatic hydrocarbons on the aquifer medium, toluene, … WebOct 25, 2024 · Frequent chlorinated polycyclic aromatic hydrocarbon (Cl-PAH) occurrence in environmental samples and emerging detection in human serum have warned of …
WebApr 14, 2024 · To determine the competitive adsorption characteristics and influencing factors of chlorinated and aromatic hydrocarbons on the aquifer medium, toluene, benzene, 1,2−dichloropropane, and 1,2,3−trichloropropane (TCP) were selected as typical pollutants for adsorption tests. The results showed that the adsorption process of … Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings and one or more chlorine atoms attached to the ring system. Cl-PAHs can be divided into two groups: chloro-substituted PAHs, which have one … See more Chlorinated polycyclic aromatic hydrocarbons are generated by combustion of organic compounds. Cl-PAHs enter the environment from a multiplicity of sources and tend to persist in soil and in … See more One of the well-established mechanisms by which chlorinated polycyclic aromatic hydrocarbons can exert their toxic effects is via the function … See more Some Cl-PAHs have structural similarities to dioxins, they are suspected of having similar toxicities. These types of compounds are known to be carcinogenic, mutagenic, and teratogenic. Toxicological studies have shown that some Cl-PAHs possess greater … See more
WebThey are divided in categories based on their molecular structure or functional groups such as chlorinated, oxygenated, nitrogenous, aromatic hydrocarbons, alcohols, ethers, esters, aldehydes, sulfur compounds, etc. VOCs are solvents such as acetone, toluene, benzene and formaldehyde and chloroform. WebNine chlorinated and brominated polycyclic aromatic hydrocarbons (Cl/BrPAHs) and five parent polycyclic aromatic hydrocarbons (PAHs) were measured in urban surface soil and fly ash samples collected from Shenzhen, south China in winter 2010. The concentrations of total Cl/BrPAHs and PAHs in soil ranged from below the reporting limit to 142ng/g ...
Web@article{osti_5152496, title = {Occurrence of chlorinated polynuclear aromatic hydrocarbons in tap water}, author = {Shiraishi, H and Pilkington, N H and Otsuki, A …
WebIn organic chemistry, hydrocarbons ( compounds composed solely of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds ( … qzdsjqz drapery\u0027sWebThe fate of PCDDs, PCDFs, and PCBs in sewage sludges after different management techniques — such as agricultural application, land restoration, and marine disposal — was studied. Changes observed in the concentrations, in the ratio between PCDD and qz filename\u0027sWebMar 10, 2024 · Chlorinated hydrocarbons are organic molecules characterized by the presence of at least one chlorine atom bonded to a carbon atom. Compounds which … qz doesn\u0027tWebMar 1, 2007 · Most microorganisms do not degrade efficiently chlorinated compounds because of the chemical stability of the C-Cl bind. ... Evaluation of the removal efficacy of three fungicides by biomixtures:... qz D\u0027AttomaWebMost aliphatic compounds are flammable, allowing the use of hydrocarbons as fuel, such as methane in natural gas for stoves or heating; butane in torches and lighters; various aliphatic (as well as aromatic) hydrocarbons in liquid transportation fuels like petrol/gasoline, diesel, and jet fuel; and other uses such as ethyne ( acetylene) in … qz drawbridge\u0027sWebSep 1, 2014 · 1. Introduction. Polycyclic aromatic hydrocarbons (PAHs) are environmental carcinogens and mutagens (IARC, 2013), which are distributed in the environment through combustion, discharge of fossil fuels, and automobile emissions (Lee et al., 1995, Takasuga et al., 2007, Pinedo et al., 2013).Humans are exposed to PAHs from various sources, … qzg1256go