Results 21 to 30 of about 75,903 (380)
The impact of reduction in the benzene limit value in gasoline on airborne benzene, toluene and xylenes levels [PDF]
, 2004 Background benzene, toluene, xylenes (BTX) average concentrations have been measured over the urban agglomeration of Toulouse, France, during both springtime and summer periods of 1999 and 2001.
Baer, Mathilde +5 more
core +4 more sources
Transalkylation of Toluene with 1, 2, 4-Trimethylbenzene over
Chemical Engineering Transactions, 2017 The catalytic activity, selectivity to xylenes and time-on-stream stability were investigated in the transalkylation of toluene with 1, 2, 4-trimethylbenzene. The catalytic tests were carried out in a fixed bed reactor over zeolite Beta (Si/Al = 12.5, 75
F. Almulla +3 more
doaj +1 more source
Substrate Interactions during the Biodegradation of Benzene, Toluene, Ethylbenze, and Xylene (BTEX) Hydrocarbons by the Fungus Cladophialophora sp. Strain T1 [PDF]
, 2002 The soil fungus Cladophialophora sp. strain T1 (= ATCC MYA-2335) was capable of growth on a model water-soluble fraction of gasoline that contained all six BTEX components (benzene, toluene, ethylbenzene, and the xylene isomers).
Prenafeta-Boldú, F.X. +3 more
core +1 more source
Inorganics, 2022 In this paper, Zr(IV) nitrate solution decomposed from Viet Nam zircon concentrate was the source of zirconium extraction by liquid-liquid extraction (L.L.E). The FT-IR and UV-Vis spectra confirmed the extraction of Zr(IV) by D2EHPA/p-xylenes. There were
Manh Nhuong Chu +9 more
doaj +1 more source
Selective Oxidation of Xylenes to Toluic Acids [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 1997 A mixture of manganese, cobalt and lead para-amino benzoates supported on silica gel is used to catalyze oxidation of xylenes to toluic acids in presence of oxygen or air. Reactions are clean and catalysts can be recovered easily and reused.
Mohammad M. Hashemi, Nasrin Manuchehri
doaj
Brazilian Archives of Biology and Technology, 2023 This study shows the results obtained of evaluation and comparison of chemical analysis and ecotoxicity for evaluated the quality of water contaminated with gasoline after Fenton process.
Caroline Nocêra Benetti +5 more
doaj +1 more source
Aromatic hydrocarbons as ozone precursors before and after outbreak of the 2008 financial crisis in the Pearl River Delta region, south China [PDF]
, 2012 In the second half of 2008 China's highly industrialized Pearl River Delta (PRD) region was hard-hit by the financial crisis (FC). This study reports volatile organic compounds measured in the PRD during November-December in both 2007 before the FC and ...
Blake, DR +11 more
core +1 more source
Aerosol and Air Quality Research, 2023 The aim of the study was to monitor volatile organic compounds (VOCs) in outdoor air in nine cities/towns across the Republic of N. Macedonia and the Republic of Kosovo for nine consecutive months, using the Radiello® passive and diffusive samplers, and ...
Vllaznim Mula +4 more
doaj +1 more source
Prediction of the Operating Conditions in a Batch Distillation Column Using a Shortcut Method [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2002 A shortcut procedure as quick, easy-to use method for design and simulation of multicomponent batch distillation is used to predict the operating condition of recovering xylene from solvent in an existing batch distillation column in benzol refinery. The
Mohammad Reza Ehsani
doaj
Elementa: Science of the Anthropocene, 2020 The Korea-United States Air Quality Study (KORUS-AQ) took place in spring 2016 to better understand air pollution in Korea. In support of KORUS-AQ, 2554 whole air samples (WAS) were collected aboard the NASA DC-8 research aircraft and analyzed for 82 C1 ...
Isobel J. Simpson +26 more
doaj +1 more source