Results 21 to 30 of about 661,335 (310)

The effect of biological treatment methods on the concentration of carbonaceous pollutants in the slaughterhouse wastewater: A systematic review

open access: yesCase Studies in Chemical and Environmental Engineering, 2023
The systematic review conducted in this study aimed to investigate the effect of biological methods of slaughterhouse wastewater treatment (SWWT) on reducing carbonaceous pollution concentration in the effluent.
Arash Derakhshan   +4 more
doaj   +1 more source

Spatial Distribution of Chemical and Organic Compounds in the Water of Oligotrophic Peatland of Tomsk Region (Western Siberia) [PDF]

open access: yes, 2014
In the central part of Western Siberia a study of the chemical and organic compounds spatial distribution in the water of oligotrophic peatland has been carried out.
Matveenko, Irina Alekseevna   +4 more
core   +1 more source

Supramolecular assemblies involving metal organic ring interactions: Heterometallic Cu(II)-Ln(III) two dimensional coordination polymers [PDF]

open access: yes, 2012
Three isostructural two-dimensional coordination polymers of the general formula [Ln2(CuL)3(H2O)9]$5.5H2O, where Ln is La (1), Nd (2), and Gd (3), have been synthesized and isolated from aqueous solutions and their single-crystal structures determined by
Aakeröy   +75 more
core   +1 more source

Temperature dependence of singlet oxygen generation by different photosensitizers [PDF]

open access: yesEPJ Web of Conferences, 2019
The temperature dependences of the lifetimes and the efficiency of singlet oxygen generation for a set of compounds (porphyrins, metalloporphyrins, porphycene, terrylene etc.) has been measured and characterized. Based on the character of the temperature
Starukhin Aleksander   +2 more
doaj   +1 more source

Development of nanostructured catalysts for catalytic oxidative water purification from organic impurities, including phenolic compounds

open access: yesChimica Techno Acta, 2023
The purpose of this work was to create magnetic nanocatalysts that could be used for the oxidation of organic water pollutants – phenol and its derivatives – and to determine the physicochemical characteristics of the catalysts.
Larissa R. Sassykova   +7 more
doaj   +1 more source

Aqueous Systems of Dissolved Oxygen in Reservoir [PDF]

open access: yesE3S Web of Conferences, 2021
Oxygen plays a crucial role in aquatic ecosystem particularly for supporting aquaculture and hydropower. In freshwater, importance of oxygen is for metabolic respiration and balance for heterotrophic organisms. Oxygen is also involved in various chemical
Liqoarobby R   +3 more
doaj   +1 more source

Elemental composition and oxidation of chamber organic aerosol [PDF]

open access: yes, 2011
Recently, graphical representations of aerosol mass spectrometer (AMS) spectra and elemental composition have been developed to explain the oxidative and aging processes of secondary organic aerosol (SOA).
Canagaratna, M. R.   +7 more
core   +2 more sources

Assessment of oxygen plasma ashing as a pre-treatment for radiocarbon dating [PDF]

open access: yes, 2009
This study investigates the potential of low-temperature oxygen plasma ashing as a technique for decontaminating charcoal and wood samples prior to radiocarbon dating.
Apperley, D.   +5 more
core   +1 more source

The catalytic oxidation of organic contaminants in a packed bed reactor [PDF]

open access: yes, 1994
The catalytic oxidation of several hydrocarbons was studied over noble metal and metal oxide catalysts. A fast empirical method was developed to determine the minimum operating temperature required to guarantee complete conversion of the hydrocarbon.\ud \
Beld, L. van de   +4 more
core   +7 more sources

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