The mixture was sonicated for 30 min and then stirred for 1.0 h. After that, the mixture was oven-dried at 60 °C overnight. After that, it was pyrolyzed in a muffle furnace at 600 °C for three hours to obtain the cobalt-modified biochar material, Co-BC. Superhydrophobic coating ...
steel is composed of several elements. The primary component is iron, which is combined with proportions of up to 20% of other elements, such as nickel, chromium, or molybdenum. Along with small amounts of less than 1% of aluminium, niobium, vanadium, or titanium. This mixture is ...
8). In Erdemir (a steel production plant in Turkey), approximately 125 kg BOF slag, 12.5 kg effluent slag, 18 kg slag remaining in the steel pot, and 15 kg desulphurization slag are formed during the processing of one-ton of hot molten steel and slag mixture (impurities). Sign in to ...
(4.4.22)is negative indicating the possibility of ZnFe2O4chlorination, though it is not as low as that for ZnO or PbO. The kinetic investigation of the chlorination of oxide mixture of Fe2O3–36.87mass% ZnFe2O4–12.45mass%ZnO–4.3mass% PbO was carried out [78]. The compositions of ...
With introduction of pure aluminium into the composition of mixture composition of components does not exceed 5 mm. The briquette out of slag forming mixture contains binding at ratio in wt % 1÷4 and compressed particles including aluminium oxide in wt %: 30÷99 or aluminium oxide Al2O3 ...
Nickel's other important ore minerals include pentlandite and a mixture of Ni-rich natural silicates known as garnierite. Major production sites include the Sudbury region in Canada (which is thought to be of meteoric origin), New Caledonia in the Pacific, and Norilsk in Russia. Nickel is ...
CoSO4⋅7H2O (4.8 g) was added to 100 mL of deionized water containing 10 g of the rice straw fine powder with a wt% ratio of 1:10 for Co: rice straw fine powder. The mixture was sonicated for 30 min and then stirred for 1.0 h. After that, the mixture was oven-dried at 60 ...
A generic term covering several processes applicable to steel that change the the chemical composition of the surface layer by absorption of carbon or nitrogen, or a mixture of the two, and, by diffusion, create a concentration gradient. Cast(1) A term indicating in the annealed state as ...
The peak on the DSC curve at 465 °C indicates the development of at least some or even all of these processes. At the same time, it should be noted that deformation could shift the temperature intervals for the realization of certain processes. The structure of the studied steel after ...
Samples were produced on the one hand with pre-alloyed gas-atomized powder and on the other hand from a low-cost powder mixture, where the alloying elements are added to a gas-atomized pure iron powder as mechanically broken ferroalloy and elemental particles. This work focused on the ...