Results 11 to 20 of about 66,759 (345)

Competitive Adsorption of Xylenes at Chemical Equilibrium in Zeolites

The journal of physical chemistry. C, Nanomaterials and interfaces, 2021
The separation of xylenes is one of the most important processes in the petrochemical industry. In this article, the competitive adsorption from a fluid-phase mixture of xylenes in zeolites is studied.
Sebastián Caro-Ortiz, E. Zuidema, M. Rigutto, D. Dubbeldam, T. Vlugt   +4 more
semanticscholar   +1 more source

Refinement of pore size at sub-angstrom precision in robust metal–organic frameworks for separation of xylenes

Nature Communications, 2020
The demand for xylenes is projected to increase over the coming decades. The separation of xylene isomers, particularly p- and m-xylenes, is vital for the production of numerous polymers and materials.
Xiaolin Li, Xiaolin Li, Juehua Wang, Nannan Bai, Xinran Zhang, Xue Han, Ivan Silva, C. G. Morris, Shaojun Xu, Damian M. Wilary, Yinyong Sun, Yongqiang Q. Cheng, C. Murray, C. Tang, M. Frogley, G. Cinque, T. Lowe, Haifei Zhang, A. Ramirez‐Cuesta, K. Thomas, L. Bolton, Sihai Yang, M. Schröder   +22 more
semanticscholar   +1 more source

Associations between blood volatile organic compounds, and changes in hematologic and biochemical profiles, in a population-based study

Environment International, 2020
Objective: To investigate the influence of volatile organic compound (VOC) levels in blood, on hematological and serum biochemical parameters in the Canadian population.
Sabit Cakmak, Christie Cole, Chris Hebbern, Julie Andrade, Robert Dales   +4 more
doaj   +1 more source

Separation of isomeric xylenes by pervaporation through cellulose ester membranes [PDF]

, 1982
The interaction between the isomeric xylenes and different cellulose esters was investigated using solubility parameter considerations and through measurements of swelling values.
Kruitz, F., Mulder, M.H.V., Smolders, C.A.   +2 more
core   +4 more sources

Consumption of Hydrocarbons and Its Relationship with Ozone Formation in Two Chinese Megacities

Atmosphere, 2020
Continuous measurements of ozone and its precursors were performed at sites in two Chinese megacities, i.e., an urban site in Beijing and a suburban site in the Pearl River Delta (PRD).
Chih-Chung Chang, Hwa-Kwang Yak, Jia-Lin Wang   +2 more
doaj   +1 more source

Direct and Oxidative DNA Damage in a Group of Painters Exposed to VOCs: Dose – Response Relationship

Frontiers in Public Health, 2020
Volatile organic compounds (VOCs) are present in several working activities. This work is aimed at comparing oxidative stress and DNA damage biomarkers to specific VOCs in the occupational exposure of painters.
Renata Sisto, Delia Cavallo, Cinzia Lucia Ursini, Anna Maria Fresegna, Aureliano Ciervo, Raffaele Maiello, Enrico Paci, Daniela Pigini, Monica Gherardi, Andrea Gordiani, Nunziata L'Episcopo, Giovanna Tranfo, Pasquale Capone, Damiano Carbonari, Barbara Balzani, Pieranna Chiarella   +15 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, Chan, L, Gao, B, Guo, H, Lee, FSC, Li, L, Sherwood Rowland, F, Wang, S, Wang, X, Wu, D, Zhang, Y, Zhang, Z   +11 more
core   +1 more source

Source contributions to ambient VOCs and CO at a rural site in eastern China [PDF]

, 2004
Ambient data on volatile organic compounds (VOCs) and carbon monoxide (CO) obtained at a rural site in eastern China are analyzed to investigate the nature of emission sources and their relative contributions to ambient concentrations.
Blake, DR, Guo, H, Kwok, YH, Li, YS, Simpson, IJ, Wang, T, Yu, XM   +6 more
core   +1 more source

Pyrolysis of latex gloves in the presence of y-zeolite [PDF]

, 2009
In this study we have investigated the possibility of processing waste rubber gloves using pyrolysis. Y-zeolite catalyst was employed to upgrade the pyrolysis products to give higher yields of valuable aromatic compounds such as toluene and xylenes ...
Hall, W.J., Williams, P.T., Zakaria, N.
core   +1 more source

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, V.L. Zholobenko, J.P. Waters, A. Garforth   +3 more
doaj   +1 more source