Autor: Boikov, A. V. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Application of Carbonaceous Household Wastes as Fuel Feedstock at Thermo Metallurgical Equipment and Processes
Autorzy:: Boikov, A. V.
Ivanov, P. V.
Powiązania:: https://bibliotekanauki.pl/articles/952349.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: MSW
ecology
thermal treatment
RDF
conveyor kiln
Opis:: The possibility of utilization of municipal solid waste in the conveyor roasting cement production machine along with obtaining secondary thermal energy, what could reach 15-20% of the principal quantity of the heat energy required for the conduct of the process was considered. The inclusion of ash obtained from the incineration of municipal solid waste after preprocessing into the cement clinker composition was proposed. The reduction of the emission of dioxins and furans in the atmosphere and the impact on the environment was achieved as a result.
Źródło:: Journal of Ecological Engineering; 2016, 17, 3; 18-21
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Measurements of trace elements in human blood and urine using atomic emission spectrometry
Autorzy:: Sakovich, V. V.
Boikov, V. N.
Lazareva, A. M.
Tsvirko, M. P.
Powiązania:: https://bibliotekanauki.pl/articles/410312.pdf
Data publikacji:: 2019
Wydawca:: Uniwersytet Humanistyczno-Przyrodniczy im. Jana Długosza w Częstochowie. Wydawnictwo Uczelniane
Tematy:: trace elements
blood
urine
limit of detection
pierwiastki śladowe
krew
mocz
granica wykrywalności
Opis:: Arc-discharge atomic-emission spectrometry was used for determining trace amounts of metals in human blood and urine. Radiation spectra were recorded on an atomic-emission multichannel spectrometer AEMS. An optical multichannel analyzer (OMA) based on a photodiode array was used as the detector. The spectral resolution was characterized by the range 0.011 nm/diode and a spectral-line half-width no more than 0.033-0.044 nm. The samples were prepared for the measurements by the method of dry mineralization without acids. The obtained ash was mixed with a graphite powder in 3:7 mass ratio. For urine samples, the second variant of buffering a mixture of a graphite powder with potassium chloride (9.2 % of K) was also conducted. For determining the concentration of Pb, Cd, Cu and Zn in blood and the concentration of Co, Mn, Ni and Cu in urine three types of the calibrating mixtures containing, respectively, equal amounts of graphite powder and having predetermined concentrations of matrix elements (K, Na, Mg, Ca, Fe) were prepared. Lyphochek Urine Metals Control, Level 1 and Seronorm Trace Elements Urine was used as a reference material in determining trace amounts of elements in urine. Limits of detection were 0.13; 0.7 and 5.5 μg l-1 for Cd, Zn and Pb in blood and 1.2; 1.4; 1.5 and 1.9 μg l-1 for Ni, Mn, Co and Cu in urine respectively. The results obtained and the simplicity of preparation of samples for analysis, allow the conclusion that arc-discharge atomic-emission spectrometry can be used for determination of trace elements in human biological samples, forensic and clinical toxicology, screening investigations in ecologically adverse regions and workers in unhealthy industries.
Źródło:: Chemistry, Environment, Biotechnology; 2019, 22; 20-25
2083-7097
Pojawia się w:: Chemistry, Environment, Biotechnology
Dostawca treści:: Biblioteka Nauki

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