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Wyszukujesz frazę "Pawlak, H." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Reaction kinetics of CO2 in aqueous methyldiethanolamine solutions using the stopped-flow technique
Autorzy:
Kierzkowska-Pawlak, H.
Siemieniec, M.
Chacuk, A.
Powiązania:
https://bibliotekanauki.pl/articles/185528.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
kinetyka reakcji
metylodietanoloamina
CO2 capture
reaction kinetics
methyldiethanolamine
stopped-flow technique
Opis:
The kinetics of the reaction between CO2 and methyldiethanolamine in aqueous solutions have been studied using the stopped-flow technique at 288, 293, 298 and 303 K. The amine concentration ranged from 250 to 875 molźm-3. The overall reaction rate constant was found to increase with amine concentration and temperature. The acid base catalysis mechanism was applied to correlate the experimentally determined kinetic data. A good agreement between the second order rate constants for the CO2 reaction with MDEA computed from the stopped-flow data and the values reported in the literature was obtained.
Źródło:
Chemical and Process Engineering; 2012, 33, 1; 7-18
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Selection of Amine Sorbents for CO2 Capture from Flue Gases
Autorzy:
Wilk, A.
Więcław-Solny, L.
Śpiewak, D.
Spietz, T.
Kierzkowska-Pawlak, H.
Powiązania:
https://bibliotekanauki.pl/articles/184952.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
CCS
MEA
AMP
Opis:
Amine absorption processes are widely used in the industry to purify refinery gases, process gases or natural gas. Recently, amine absorption has also been considered for CO2 removal from flue gases. It has a number of advantages, but there is one major disadvantage - high energy consumption. This can be reduced by using an appropriate sorbent. From a group of several dozen solutions, three amine sorbents were selected based on primary, tertiary and sterically hindered amines. The solutions were used to test CO2 absorption capacity, absorption kinetics and heat of CO2 absorption. Additional tests were performed on the actual absorber-desorber system to indicate the most appropriate sorbent for capturing CO2 from flue gases.
Źródło:
Chemical and Process Engineering; 2015, 36, 1; 49-57
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Co-firing of biomass with pulverised coal in oxygen enriched atmosphere
Autorzy:
Pawlak-Kruczek, H.
Ostrycharczyk, M.
Baranowski, M.
Czerep, M.
Zgóra, J.
Powiązania:
https://bibliotekanauki.pl/articles/185809.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biomass
co-firing
oxy-combustion
biomasa
współspalanie
oksyspalanie
Opis:
The aim of the paper is a comparative study of co-firing high shares of wooden and agro-biomass with hard coal under oxy-fuel and air conditions in the laboratory scale reactor for pulverised fuels. The investigations of co-combustion behaviour NOx and SO2 emission and burnout were carried out for selected blends. Detailed investigations were concentrated on determining the effect of dosing oxygen method into the burner on NOx emission. The paper presents the results of co-firing blends with 20 and 50% share of biomass by mass in air and oxy-combustion condition. Biomass oxy-co-firing integrated with CCS (CO2 capture) technology could be a carbon negative technology. The reduction of NOx emissions in the conditions of oxy-co-firing is dependent on the concentration of oxygen in the primary stream of oxidiser. A significant reduction of NOx was achieved in the case of low oxygen concentration in the primary stream for each investigated blends. Co-firing of biomass with coal in an oxygen enriched atmosphere enhances combustion behaviour, lowers fuel burnout and as a result increases of the boiler efficiency.
Źródło:
Chemical and Process Engineering; 2013, 34, 2; 215-226
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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