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Wyszukujesz frazę "fast pyrolysis" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Effect of operating parameters on production of bio-oil from fast pyrolysis of maize stalk in bubbling fluidized bed reactor
Autorzy:
Ali, N.
Saleem, M.
Shahzad, K.
Hussain, S.
Chughtai, A.
Powiązania:
https://bibliotekanauki.pl/articles/779892.pdf
Data publikacji:
2016
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
fast pyrolysis
bio-oil
temperature
particle size
carrier gas flow rate
maize stalk
Opis:
The yield and composition of pyrolysis products depend on the characteristics of feed stock and process operating parameters. Effect of particle size, reaction temperature and carrier gas flow rate on the yield of bio-oil from fast pyrolysis of Pakistani maize stalk was investigated. Pyrolysis experiments were performed at temperature range of 360-540°C, feed particle size of 1-2 mm and carrier gas flow rate of 7.0-13.0 m3/h (0.61.1 m/s superficial velocity). Bio-oil yield increased with the increase of temperature followed by a decreasing trend. The maximum yield of bio-oil obtained was 42 wt% at a temperature of 490°C with the particle size of around 1.0 mm and carrier gas flow rate of 11.0 m3/h (0.9 m/s superficial velocity). High temperatures resulted in the higher ratios of char and non-condensable gas.
Źródło:
Polish Journal of Chemical Technology; 2016, 18, 3; 88-96
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Combusting fuel formed from waste. Reduction in emission of chromium, nickel and lead
Autorzy:
Król, D.
Poskrobko, S.
Powiązania:
https://bibliotekanauki.pl/articles/208012.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
metal contaminated biomass
heavy metals
sewage sludge
fast pyrolysis
phytoremediation
temperature
spalanie odpadów
metale ciężkie
topnienie metali
osad ściekowy
Opis:
Thermal waste treatment processes dramatically reduce their volume and mass. Unfortunately, they also cause environmental nuisance associated with emissions of harmful substances. The emissions of toxic heavy metals into the air are of particular interest. Low effectiveness of dust extraction equipment for submicron size particles does not provide ecological safety. The paper presents the results of heavy metal (chromium, nickel and lead) emissions from fuel formed from waste combustion. It presents the possibility of reducing that emission by binding heavy metals in the residue scraper. As immobilising metal additives, substances such as: V2O5 and Na2B4O7 were used. Obtained reduction of heavy metal emission was of up to tens percent. In a series of studies, where in addition to Na2B4O7 and V2O5, CaCO3 was added, an additional effect of metal retention in the residue scraper was obtained. Chalk binds chlorine released from the fuel combustible material, which in turn prevents the transformation of heavy metals to form chlorides. Binding of hydrogen chloride from the gas atmosphere of the boiler to calcium chloride, eliminates the ability to create heavy metal chlorides. Addition of chalk reduces also its HCl emission and thus minimizes corrosion of the boiler components.
Źródło:
Environment Protection Engineering; 2017, 43, 1; 101-112
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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