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Prikaz rezultata 11-20 od 28
Analysis of different factors effects on emissions of hydrocarbons from petroleum storage tanks / Analiza uticaja različitih faktora na emisiju ugljovodonika iz skladišnih rezervoara
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
Oil refineries and petrochemical industry plants are comprised of a series of complex processes which vary according to processing design, the technology which is utilized, and a number of other factors. Crude oil can be ...
Stillage as by-product of alcoholic fermentation / Džibra - sekundarni proizvod alkoholne fermentacije
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
Processes of bioethanol production from sugars, starch or cellulose produce enormous amounts of stillage (about 20 dm3 per dm3 ethanol), as a by-product. Chemically, stillage is an aqueous solution of different products ...
The influence of pesticide residues on chemical hazards in processing of raw vegetables and fruit / Uticaj rezidua pesticida na hemijske rizike u procesu prerade sirovog povrća i voća
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2009)
Pesticides are used in primary agricultural production, food industry, transportation and households. The presence of harmful pesticide residues in or on food has caused a great concern among the consumers. The aim of our ...
Technological characterization of lactic acid bacteria isolated from Radan’s cheese / Karakterizacija tehnoloških osobina bakterija mlečne kiseline izolovanih iz sira sa planine Radan
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Isolation of lactic acid bacteria from artisanal dairy products is base for selection of new strains with properties which are important for their industrial application. In this work, characterization of 69 strains isolated ...
Materials processing using supercritical fluids / Procesiranje čvrstih materijala natkritičnim fluidima
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
One of the most interesting areas of supercritical fluids applications is the processing of novel materials. These new materials are designed to meet specific requirements and to make possible new applications in: ...
New functionalities in cellulosic fibers developed by chemical modification / Celulozna vlakna novih funkcionalnih svojstava dobijanja hemijskim modifikovanjem
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
This paper gives an overview of the current state in the field of cellulosic fibers functionalization by chemical modification. Emphasis is placed on the selective (periodate and TEMPO oxidation) and non-selective (permanganate ...
Methanolysis of sunflower oil using alumina/silica supported potassium oxide (K2O) as a heterogeneous catalyst / Metanoliza suncokretovog ulja katalizovana kalijum oksidom (K2O) na alumosilikatnom nosaču
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
Biodiesel, the most promising alternative to diesel fuel, is renewable, biodegradable, environmentally friendly and can be used in existing engines. Certain disadvantages of conventional processes of biodiesel, i.e. fatty ...
Obtaining of high quality cellulose from the hemp fibers / Dobijanje visoko kvalitetne celuloze iz vlakana konoplje
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
In recent years growing attention has been paid to production of cellulose from unconventional, annually and renewable plants such as hemp and flax. Lignin and pectin are very important noncellulosic substances occurring ...
Production of bioethanol from corn meal hydrolyzates / Proizvodnja bioetanola na hidrolizatima kukuruznog brašna
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Bioethanol produced from renewable agricultural recourses is currently the most promising biofuel. In a lot of developed countries in Europe and in USA the use of bioethanol as an alternative fuel or a gasoline supplement ...
Amtimicrobial activity of essential oil of Melissa officinalis L., Lamiaceae / Antimikrobna aktivnost etarskog ulja Melissa officinalis L., Lamiaceae
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
The antimicrobial activity of the essential oil of Melissa officinal is was investigated in this paper. The essential oil was obtained by the principle of water and steam and analyzed by GC and GC-MS using FID and MSD. The ...