Results 11 to 20 of about 5,166 (251)

Evaluation of Extraction Procedure of PCDD/Fs, PCBs and Chlorobenzenes from Activated Carbon Fibers (ACFs)

open access: yesMolecules, 2021
Active carbon-based sorbents are well known and are used in analytical chemistry. Activated carbon fibers (ACFs) are mainly used as abatement systems in industrial emission pollution control.
Marina Cerasa   +2 more
doaj   +1 more source

Catalytic Hydrodechlorination of 4-Chlorophenol by Palladium-Based Catalyst Supported on Alumina and Graphene Materials

open access: yesNanomaterials, 2023
Hydrodechlorination (HDC) is a reaction that involves the use of hydrogen to cleave the C−Cl bond in chlorinated organic compounds such as chlorophenols and chlorobenzenes, thus reducing their toxicity.
Jintae Jeon, Yuri Park, Yuhoon Hwang
doaj   +1 more source

Biodiversity in wetland+ system: a passive solution for HCH dump effluents

open access: yesWater Science and Technology, 2023
The hexachlorocyclohexane isomers (HCH) are long-banned pesticides. Even though their use has been prohibited for decades, their presence in the environment is still reported worldwide.
Aday Amirbekov   +7 more
doaj   +1 more source

Ordered nanoporous carbon (CMK-3) coated fiber for solid-phase microextraction of benzene and chlorobenzenes in water samples [PDF]

open access: yesAdvances in Environmental Technology, 2018
Nanoporous carbons (CMK-3) were prepared and have been used as a fiber coating for headspace solid phase microextraction (HS-SPME). The prepared materials were characterized by Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD) and N2 adsorption/
Mansoor Anbia   +2 more
doaj   +1 more source

Cobalt-Catalyzed Methoxycarbonylation of Substituted Dichlorobenzenes as an Example of a Facile Radical Anion Nucleophilic Substitution in Chloroarenes

open access: yesMolecules, 2014
A thorough mechanistic study on cobalt-catalysed direct methoxycarbonylation reactions of chlorobenzenes in the presence of methyl oxirane on a wide range of substrates, including poly- and monochloro derivatives with multiple substituents, is reported ...
Tatyana S. Khaibulova   +3 more
doaj   +1 more source

Application of Subcritical Water to Dechlorinate Polyvinyl Chloride Electric Wires

open access: yesEnergies, 2018
Polyvinyl chloride (PVC) electric wires were subjected to dechlorination in subcritical water at three different temperatures in a high-pressure reactor. About 2.09, 73.08, and 95.96 wt % of chlorine in PVC wires was removed during dechlorination at 200 &
Aurora Soler   +2 more
doaj   +1 more source

Distribution and accumulation of chlorobenzenes in vegetables

open access: yes浙江大学学报. 农业与生命科学版, 2005
Five seasonal vegetables and the soils in three different districts were investigated with respect to levels of chlorobenzenes (CBs), including 1,2-DCB (o-DCB), 1,3-DCB (m-DCB), 1,4-DCB(p-DCB), 1,2,4-TCB.
ZHANG Jian-ying   +4 more
doaj   +1 more source

Application of Chemical Noxious Gas Test Based on Electronic Nose Technology

open access: yesChemical Engineering Transactions, 2018
This paper describes the development and characterization of zinc oxide nanosheet gas sensor. Such sensor is integrated in the electronic nose system to test chlorinated hydrocarbon organics and chlorobenzenes.
Ruilin Yuan
doaj   +1 more source

Advanced Oxidation Processes (AOPs) alternative methods for degradation of toxic pollutants from wastewater

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2019
The degradation of some toxic pollutants like chlorobenzenes, nitrobenzene and 4-chloroaniline in various advanced oxidation system such as: UV/ H2O2, UV-VIS/Fe-TiO2 and UV-VIS/TiO2/ H2O2 were studied. The influence of working conditions (pH0, H2O2 dose,
Ines Nitoi   +3 more
doaj   +1 more source

Removal of PCDD/Fs and CBzs by different Air Pollution Control Devices in MSWIs

open access: yesAerosol and Air Quality Research, 2020
This study investigated the removal efficiencies of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) and chlorobenzenes (CBzs) by different air pollution control devices (APCDs) in three municipal solid waste incinerators ...
Tong Chen   +6 more
doaj   +1 more source

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