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Effect of corn straw pretreatment on efficiency of biogas production process: Computer simulation
(Institut za istraživanja i projektovanja u privredi, Beograd, 2020)
Anaerobic digestion is a natural process of organic material degradation by different kinds of microorganisms in the absence of oxygen. This process is used for industrial purpose to manage waste streams or to produce ...
Reakcije kalcita u vodi i u prisustvu stearinske kiseline / Reactions of calcite in water in the presence of stearic acid
(Institut za rudarstvo i metalurgiju, Bor, 2015)
U suspenziji kalcita i vode, čiji je pH 10,14, na granici kalcit/voda formirao se dvojni električni sloj. Njegova struktura, odnosno hidrofilne osobine minerala, su zavisile od koncentracije potencijal određujućih jona, ...
Primena eksergijske analize u reciklažnim tokovima / Application of exergy analysis in recycling streams
(Inženjersko društvo za koroziju, Beograd, 2015)
Materijali za recikliranje uvek sadrže izvestan stepen nečistoća. Prisustvo nečistoća tj. kontaminacija u reciklažnim tokovima izaziva promenu u izvornom sastavu materijala za reciklažu. Usled toga, kvalitet materijala ...
Ispitivanje efikasnosti različitih sorpcionih materijala za uklanjanje Cu(II) jona iz vodenog rastvora / Investigation of efficiency of different sorption materials for Cu(II) removal from aquous solutions
(Inženjersko društvo za koroziju, Beograd, 2014)
U ovom radu je ispitivana efikasnost (bio)sorpcije više materijala u uklanjanju bakarnih jona iz vodenog rastvora. Koncentracija bakarnih jona u rastvoru je bila 2mmol/l, M/V odnos 10 g/l, a pH rastvora je bio podešen na ...
Adsorption of Cu(II) ions from synthetic solution by sunflower seed husks
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2019)
Annual production of the sunflower seed in Serbia is between 650,000-720,000 tons. Most of this amount is used in vegetable oil industry. Abundant by-products from this processing are sunflower seed husks. Husks are usually ...
Hidročađi, perspektivni adsorbenti teških metala - pregled aktuelnih pravaca u istraživanjima / Hydrochars, perspective adsorbents of heavy metals: A review of the current state of studies
(Inženjersko društvo za koroziju, Beograd, 2016)
Kao alternativa pirolizi, hidrotermalna karbonizacija je predložena kao perspektivan pravac konverzije širokog spektra otpadnih biomasa u biogoriva, adsorbente i specifične hemikalije. U ovom preglednom radu predstavljena ...
Primena krečnjaka u industriji polivinil-hlorida / Application of lime in the polyvinyl chloride industry
(Institut za rudarstvo i metalurgiju, Bor, 2014)
U radu je prikazan značaj krečnjaka u različitim industrijskim granama sa posebnim osvrtom na upotrebu krečnjaka kao punioca u industriji polivinil-hlorida (PVC). Od svih punilaca koja se koriste u industriji prerade PVC-a, ...
The extraction of aggregates in Serbia, 1973 - 2015: A statistical exploration
(Institut za rudarstvo i metalurgiju, Bor, 2017)
We contribute to the fields of mineral economics, environmental and economic history in two respects: first, we construct a novel time series data set for the levels of aggregates extraction in Serbia between 1973 and 2015; ...
Zearalenone and ochratoxin a: adsorption by kaolin modified with surfactant
(Savez inženjera metalurgije Srbije, Beograd, 2019)
Octadecyldimethylbenzyl ammonium chloride (OA) was used as a surfactant for the preparation of organokaolin. The natural kaolin (from a plant for production of quartz sand in Rgotina, Serbia) was modified with a surfactant ...
Kinetics of barite reduction from refractory barite-sulphide ore
(Savez inženjera metalurgije Srbije, Beograd, 2016)
Refractory sulphide-barite ore was reduced with carbon in order to release lead, zinc, and copper sulphide from barite-pyrite base. Mineralogical investigations showed that due to the complex structural-textural relationships ...