Wyniki wyszukiwania - Biblioteka Nauki

1

Emulsje woda/olej ekologicznym paliwem silników wysokoprężnych

100%

Aranowski R.

|

2008

|

tom nr 8

71-73

PL

W ostatnich latach wzrasta udział pojazdów z silnikami wysokoprężnymi w sprzedaży samochodów osobowych, szczególnie w segmencie aut klasy średniej. W 2005 r. stanowiły one 49% całego europejskiego rynku samochodowego. W Polsce udział diesli wśród nowych samochodów wynosił 31 %.

2

Eter dimetylowy paliwem XXI wieku?

63%

Hupka J. , Aranowski R.

|

2006

|

tom Nr 4

22-23

3

Właściwości reologiczne asfaltów modyfikowanych polimerami

51%

Aranowski R. , Hupka J. , Magnuszewski T.

|

1999

|

tom z. 140

339-342

PL

Badano mieszaniny asfaltu z PE i EPDM zawierające 1, 3 i 5% tych polimerów. Mieszaniny poddano dodatkowo modyfikacji przez utlenienie PE powietrzem w obecności H2SO4 jako katalizatora. Modyfikowane asfalty w porównaniu z niemodyfikowanymi wykazywały obniżoną penetrację i wrażliwość na temperaturę oraz wzrost indeksu penetracji.

EN

The modification of asphalt by PE and EPDM polymers was studied. Series samples of asphalt modified by PE and EPDM containing 1, 3, 5 mass % of polymers were prepared. The oxidation of PE by air was carried with sulphuric acid as catalyst. The penetration 25 degrees centigrade temperature, penetration index, viscosity at 60 degrees centigrade temperature and viscosity versus temperature were measured. Decrease in penetration, increase in penetration index and decrease temperature sensitivity compared to unmodified asphalt were observed.

4

Separation of CO2 from flue gas in air-sparged hydrocyclone (ASH) reactor

51%

Żurawska M. , Hupka J. , Aranowski R. , Misiuk S.

Ars Separatoria Acta

|

2006

|

tom No. 4

43-49

EN

Laboratory results of an initial study on CO2 removal from gas mixture by means of the air-sparged hydrocyclone (ASH) technology are reported. The CO2 absorption rate into sodium hydroxide aqueous solution was studied on a laboratory and pilot scale. The air flow rate was 900 dm³/min and the alkaline solution flow rate was 15 dm³/min in the case of pilot scale. The influence of CO2 concentration, pH of the liquid phase, the gas flow rate, and the alkaline solution flow rate on the efficiency of the process was investigated. An increase in the alkaline concentration significantly enhanced the CO2 absorption. A very low distribution of bubble sizes enhanced the carbon dioxide absorption, too.

5

Efficiency of deep bed filtration in treatment of swimming pool water

45%

Korkosz A. , Janczarek M. , Aranowski R. , Rzechuła J. , Hupka J.

|

2010

|

tom Vol. 44

103-113

EN

The effectiveness of water filtration in gravel-sand bed filters has been studied in the rehabilitating swimming pool treatment plant. Apart from instrumental analysis of the water the investigation considered additionally particle size distribution as well as thermal analysis of the sediment collected in the sand bed of depth filters and removed during the process of washing. Variable value of TOC in the washings for each filter indicates indirectly their non-uniform loading. It has been proved that the size of particles in the suspension easily changes as a result of operation of shear stress. Derivatographic research has indicated approximately 30 % presence of organic substances in the sediment. In neither of the investigated samples loss of mass over > 460oC has been observed.

PL

Przebadano efektywność filtracji wody w filtrach ze złożem żwirowo-piaskowym w instalacji basenu rehabilitacyjnego. Obok analizy instrumentalnej wody, w badaniach uwzględniono rozkład wielkości cząstek i analizę termiczną osadu zgromadzonego w złożu piaskowym filtrów wgłębnych i usuwanego podczas płukania. Zmienna wartość TOC w popłuczynach dla każdego z filtrów wskazuje pośrednio na nierównomierne ich obciążenie. Wykazano, że wielkość cząstek w zawiesinie łatwo zmienia się w wyniku działania naprężeń ścinających. Badania derywatograficzne wskazały na około 30% udział substancji organicznych w osadzie. W żadnej z badanych próbek, nie zanotowano ubytku masy powyżej > 460°C.

6

Sorption of ionic liquids

45%

Markiewicz M. , Markowska A. , Hupka J. , Aranowski R. , Jungnickel C.

|

2009

|

tom Vol. 35, nr 3

53-64

EN

Ionic liquids (ILs) attract growing attention and the range of their potential application is constantly expanding. To meet not only the technological but also environmental requirements for their implementation to wide-scale use, we undertook an extensive literature study into ILs interaction and sorption onto soils. The available data were compared and subjected to critical review. We also performed sorption batch test of l-methyl-3- octylimidazolium chloride in a broad concentration range onto low pH and forest soil poor in organic matter. The sorption isotherm closely matched the isotherm described previously in the literature as corresponding to double layer sorption. From the sorption isotherm we calculated the partition coefficients (Kd)

7

Wetting of supports by ionic liquids used in gas separation processes

38%

Joskowska M. , Kopczynska I. , Debski B. , Holownia-Kedzia D. , Aranowski R. , Hupka J.

|

2012

|

tom Vol. 48, iss. 1

129-140

EN

Ionic liquids were found to be selective solvents for separation of gases. They are widely used in supported ionic liquid membranes (SILMs) technology, especially in gas separation and purification processes. This work has characterized commercially available porous membranes employed in such purposes. Characterization of supports and membrane phases was carried out in order to determine factors influencing membrane stability. Scanning electron microscopy (SEM) was used to determine morphology of membrane surface. In this work wetting of the polymeric support with [Emim][TfO], [Emim][Tf2N], [Bmim][TfO] and [Bmim][Tf2N] and swelling of the membrane impregnated with ionic liquids have been investigated.