Results 21 to 30 of about 2,554,736 (300)

DTA/TG analysis of mechanochemicaly activated sodium carbonate [PDF]

open access: yesPodzemni Radovi, 2021
Sodium carbonate is a material that is very good sorbent of carbon dioxide from the atmosphere, and it is a reason of it is increasing importance in environmental protection.
Đorđević Nataša G.   +3 more
doaj   +1 more source

Obtaining new range of products from lithotamnium limestone 'Dobrilovići' deposit in the facility of the Department for Agriculture Loznica [PDF]

open access: yesTehnika, 2015
In this paper are presented the results of testing the possibilities of improving the technological process evaluation lithothamnium limestone deposits 'Dobrilovići' - Loznica in order to obtain a new range of products including: flue gas ...
Sekulić Živko T.   +5 more
doaj   +1 more source

Acid leaching of oxide-sulphide copper ore prior the flotation: A way for an increased metal recovery [PDF]

open access: yesHemijska Industrija, 2015
Copper mine "Cerovo"- East Serbia as well as the other ore bodies in its vicinity contain a significant amount of oxide copper minerals in their uper layers (>40%).
Sokić Miroslav D.   +4 more
doaj   +1 more source

Fuel potential and properties of grape pomace hydrochar [PDF]

open access: yesActa Periodica Technologica, 2019
Increasing fossil fuel depletion that leads to air pollution and global warming have become serious environmental problem. For this reason, a numerous of alternative biofuels have been developed and investigated as potential energy sources to ...
Petrović Jelena T.   +6 more
doaj   +1 more source

Nanoplastics in aquatic environments: Origin, separation and characterization: Review [PDF]

open access: yesTehnika, 2023
Scientists discovered plastic in the early 1900s, but didn't realize the detrimental effects its fragmentation could have on the environment 100 years later.
Milojkov Dušan V.   +4 more
doaj  

Hydrophobization of limestone from the deposit 'Cancar' Aranđelovac using stearic acid [PDF]

open access: yesTehnika, 2015
The paper presents the results of investigation of the possibility of hydrophobization of calcite from deposit 'Cancar' company 'Good stone' - Aranđelovac, Serbia.
Mihajlović Slavica R.   +4 more
doaj   +1 more source

Dissolution behaviour of a polyphosphate glass in simulated body fluid [PDF]

open access: yesJournal of the Serbian Chemical Society, 2017
In this work, the dissolution behavior of a polyphosphate glass, with the composition 45P2O5·3SiO2·25K2O·15CaO·10MgO·ZnO·MnO (mol %), in simulated body fluid (SBF) at a temperature of 37 °C for different times was studied.
Nikolić Jelena D.   +6 more
doaj   +1 more source

Potential bioethanol and biogas production using lignocellulosic biomass from winter rye, oilseed rape and faba bean [PDF]

open access: yes, 2007
To meet the increasing need for bioenergy several raw materials have to be considered for the production of e.g. bioethanol and biogas.In this study, three lignocellulosic raw materials were studied, i.e.
Hauggaard-Nielsen, Henrik   +3 more
core   +1 more source

Effects of structural and textural grain characteristics on leaching of sulphide minerals from a polymetallic concentrate by sodium nitrate and sulphuric acid solution [PDF]

open access: yesHemijska Industrija, 2017
In this paper, the influence of structural and textural characteristics of sulfide minerals on their leaching from a polymetallic concentrate by sulfuric acid and sodium nitrate solution is presented.
Sokić Miroslav D.   +6 more
doaj   +1 more source

Impact of recrystallization on the purity of ANSH crystals produced from Ni hyperaccumulator plant [PDF]

open access: yesTehnika
The industrial development will influence the demand and price of nickel in the coming years which opens the possibility for the use of innovative ways for its exploitation from secondary resources.
Marković Branislav R.   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy