Temat: leaching process - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Utilization of used contact masses from the oxidation state of sulfur(IV) oxide to suIfur(VI) oxide
Autorzy:: Trypuć, M.
Mazurek, K.
Kiełkowska, U.
Drużyński, S.
Powiązania:: https://bibliotekanauki.pl/articles/777950.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: kwas siarkowy
tlenek siarki
mocznik
katalizator wanadowy
ługowanie
sulfuric acid
sulfur oxide
urea solutions
used vanadium catalysts
leaching process
Opis:: The research was conducted to determine the influence of the urea concentration in the leaching solutions on the efficiency of recovery of vanadium and iron compounds from the used vanadium catalyst from the node of oxidation of sulfur dioxide to sulfur trioxide.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 3; 26-28
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The influence of leaching solution pH and addition of peroxide hydrogen on the recovery of some components from the used vanadium catalyst with urea solutions
Autorzy:: Mazurek, K.
Trypuć, M.
Białowicz, K.
Drużyński, S.
Powiązania:: https://bibliotekanauki.pl/articles/779484.pdf
Data publikacji:: 2008
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: kwas siarkowy
tlenek siarki
mocznik
katalizator wanadowy
ługowanie
sulfuric acid
sulfur oxide
urea solutions
used vanadium catalysts
leaching process
Opis:: The research was conducted to determine the influence of the pH of the leaching solutions and hydrogen peroxide addition on the efficiency of the recovery of vanadium, potassium and iron compounds from the used vanadium catalyst from the node of oxidation of sulfur dioxide to sulfur trioxide.
Źródło:: Polish Journal of Chemical Technology; 2008, 10, 4; 34-36
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: ANFIS based prediction of the aluminum extraction from boehmite bauxite in the Bayer process
Autorzy:: Mihajlović, I.
Đurić, I.
Živković, Ž.
Powiązania:: https://bibliotekanauki.pl/articles/779072.pdf
Data publikacji:: 2014
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: leaching
bauxite
Bayer process
statistical modeling
ANFIS
Opis:: This paper presents the results of nonlinear statistical modeling of the bauxite leaching process, as part of Bayer technology for alumina production. Based on the data, collected during the year 2011 from the industrial production in the alumina factory Birač, Zvornik (Bosnia and Herzegovina), nonlinear statistical modeling of the industrial process was performed. The model was developed as an attempt to define the dependence of the Al2O3 degree of recovery as a function of input parameters of the leaching process: content of Al2O3, SiO2 and Fe2O3 in the bauxite, as well as content of Na2Ocaustic and Al2O3 in the starting sodium aluminate solution. As the statistical modeling tool, Adaptive Network Based Fuzzy Inference System (ANFIS) was used. The model, defined by the ANFIS methodology, expressed a high fitting level and accordingly can be used for the efficient prediction of the Al2O3 degree of recovery, as a function of the process inputs under the industrial conditions.
Źródło:: Polish Journal of Chemical Technology; 2014, 16, 1; 103-109
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Processes and technologies for the recycling of spent fuorescent lamps
Autorzy:: Kujawski, W.
Pospiech, B.
Powiązania:: https://bibliotekanauki.pl/articles/780020.pdf
Data publikacji:: 2014
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: fluorescent lamps
recycling
rare earth elements (REE)
hydrometallurgical process
pyrometallurgical
process
solvent extraction
leaching
Opis:: The growing industrial application of rare earth metals led to great interest in the new technologies for the recycling and recovery of REEs from diverse sources. This work reviews the various methods for the recycling of spent fluorescent lamps. The spent fluorescent lamps are potential source of important rare earth elements (REEs) such as: yttrium, terbium, europium, lanthanum and cerium. The characteristics of REEs properties and construction of typical fluorescent lamps is described. The work compares also current technologies which can be utilized for an efficient recovery of REEs from phosphors powders coming from spent fluorescent lamps. The work is especially focused on the hydrometallurgical and pyrometallurgical processes. It was concluded that hydrometallurgical processes are especially useful for the recovery of REEs from spent fluorescent lamps. Moreover, the methods used for recycling of REEs are identical or very similar to those utilized for the raw ores processing.
Źródło:: Polish Journal of Chemical Technology; 2014, 16, 3; 80-85
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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