Results 1 to 10 of about 31,743 (208)

Electron-Deficient Ru(II) Complexes as Catalyst Precursors for Ethylene Hydrophenylation

open access: yesInorganics, 2022
Ruthenium(II) complexes with the general formula TpRu(L)(NCMe)Ph (Tp = hydrido(trispyrazolyl)borate, L = CO, PMe3, P(OCH2)3CEt, P(pyr)3, P(OCH2)2(O)CCH3) have previously been shown to catalyze arene alkylation via Ru-mediated arene C–H activation ...
Xiaofan Jia   +5 more
doaj   +1 more source

Photocatalytic Degradation of Ethylbenzene by Nano Photocatalyst in Aerogel form Based on Titania [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
In this study, a composite of Cu, N co-doped TiO2@SiO2 aerogel as a photocatalyst with enhanced optical absorption in the visible region as well as high specific surface area was synthesized by the sol-gel method and ambient pressure drying process for ...
Neda Shirzad Taghanaki,   +2 more
doaj   +1 more source

The ozonolytic synthesis of acetophenone - a by-product for the production of drugs of calming effect

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2020
Acetophenone is an important by-product for the manufacture of drugs of calming effect. Known methods of its production don't have the future due to technological complexity, harsh synthesis conditions and low processing coefficients of raw materials ...
A. H. Halstian   +3 more
doaj   +1 more source

Efficiency Evaluation of Organic-Metal Nanostructures in Photodegradation of Ethylbenzene from Air Stream [PDF]

open access: yesمحیط زیست و مهندسی آب, 2023
By using photocatalytic processes, it is possible to reduce volatile organic compounds in the air under special conditions. The aim of this study was to evaluate the efficiency of the photocatalytic process in the presence of organic-metallic ...
Amir Mohammad Kalantari   +2 more
doaj   +1 more source

Application of GA in Optimization of Modified Benzene Alkylation Process [PDF]

open access: yesJournal of Petroleum Science and Technology, 2012
A genetic algorithm is used to optimize the modified benzene alkylation process. Based on the previous studies, the modified process increases ethylbenzene selectivity and decreases energy consumption at the same time.
A. Nejad Ebrahimi   +3 more
doaj   +1 more source

Leachate From Expanded Polystyrene Cups Is Toxic to Aquatic Invertebrates (Ceriodaphnia dubia)

open access: yesFrontiers in Marine Science, 2018
Expanded polystyrene (EPS) products and their associated chemicals (e.g., styrenes) are widespread in the marine environment. As a consequence, bans on their use for single-use packaging materials are being proposed in several municipalities.
Clara Thaysen   +7 more
doaj   +1 more source

A comparative study of selected sorbents for sampling of aromatic VOCs from indoor air [PDF]

open access: yes, 2010
Indoor air canbecome pollutedwith VOCs, and understanding the factors which affect adsorption of VOCs from indoor air is important for: (i) the accurate measurement of VOCs, and (ii) to apply mitigation strategies when high analyte concentrations are ...
Brown   +26 more
core   +1 more source

Monoaromatic compounds in ambient air of various cities: A focus on correlations between the xylenes and ethylbenzene [PDF]

open access: yes, 2001
Speciation of o-xylene, m-xylene, p-xylene and ethylbenzene was performed by gas chromatography from ambient air and liquid fuel samples collected at various locations in 19 cities in Europe, Asia and South America.
Avino, P   +5 more
core   +1 more source

Occupational exposure to BTEX and styrene in West Asian countries: a brief review of current state and limits

open access: yesArhiv za Higijenu Rada i Toksikologiju, 2022
The aim of introducing occupational exposure limits (OELs) is to use them as a risk management tool in order to protect workers’ health and well-being against harmful agents at the workplace.
Rahimpoor Razzagh   +3 more
doaj   +1 more source

Recent Advances in Homogeneous Metal-Catalyzed Aerobic C–H Oxidation of Benzylic Compounds [PDF]

open access: yes, 2018
Csp(3)-H oxidation of benzylic methylene compounds is an established strategy for the synthesis of aromatic ketones, esters, and amides. The need for more sustainable oxidizers has encouraged researchers to explore the use of molecular oxygen.
Domínguez Pérez, Pilar Esther   +3 more
core   +2 more sources

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