Chromium is also used a lot in stainless steel which is used for many things. The chromium makes stainless steel harder, shinier and more resistant. This stainless steel then goes on to be used for automobile parts, machine parts, cutlery, electric cables, reinforcements and construction parts.

Chromium can be found in many minerals, but the only economically significant chromiumbearing mineral is chromite. Chromite has been mined from four different deposit types: stratiform chromite, podiform chromite, placer chromite, and laterite deposits.

For the chromium(III) anion and its salts, see Chromite . for those products the ore smelter process differs considerably. Chromium Mining, Chromium Mine, Chromium Mines, Metal Mining . Chromium is mined as chromite (FeCr2O4) ore.

Nov 09, 2017· Extraction of chromium metal from chromite ore D Block Element class 12 chemistry subject cbse Extraction of chromium metal from chromite ore D Block . This is a simple video slideshow, if you ...

In world production, India ranked second in chromite, barites, and talc, third in coal and lignite, fourth in iron ore, sixth in bauxite and seventh in manganese in 2002–03. Chromium (Cr) is considered an essential nutrient and a health hazard.

Chromite is the commercial name for iron chromium oxide (FeCr2O4), a mineral containing chromium (a transition metal with multiple oxidation states) and iron oxide. In its purest form, chromite comprises chromium (Cr2O3) at 68% and iron oxide (FeO) at 32%.

zone of ironore series are intruded a group of rocks consisting of gabbro, peridotites and dunites associated with chromite, and anorthosite with vanadifrerous and titaniferous magnetite.

Chromium is the hardest metal element in the periodic table and the only element that exhibits antiferromagnetic ordering at room temperature, above which it tranforms into a paramagnetic solid. The most common source of chromium is chromite ore (FeCr 2 O 4). Due to its various colorful compounds, Chromium was named after the Greek word 'chroma' meaning color.

Elemental chromium (Cr) does not occur in nature, but is present in ores, primarily chromite (FeOCr 2 O 3). Chromite is an iron chromium oxide mineral and the only ore of chromium metal. Chromite is a metal used to induce hardness, toughness and chemical resistance in steel. The alloy produced is known as "stainless steel".

UNESCO – EOLSS SAMPLE CHAPTERS GEOLOGY – Vol. IV – ChromitePlatinumGroup Element Magmatic Deposits Giorgio Garuti ©Encyclopedia of Life Support Systems (EOLSS) electroplanting, and pharmaceutics. About 7% of chromite ore production goes to the refractory industry.

and trivalent metal ions, respectively. Four types of chromite ore deposits occur as either lode or secondary deposits. Lode chromite ore deposits comprise stratiform and podiform deposits, whereas secondary chromite ore deposits comprise laterite and placer deposits. Chromite is an important industrial mineral used in the refractory industry.

Since UG2 ore has a high chromite () content, the reduction of the chromium oxide (Cr 2 O 3 ) recovery in the final flotation concentrate is crucial to the smelting process, as the smelter furnace feed can operate effectively with an upper limit of about %

now call chromite ore. Chromium was used as an alloying element, in chemical compounds, and in refractory materials. It played an important role in metallurgy as an alloying element. Chromium and tungsten were being alloyed with iron to make tool steels that permitted large increases in industrial

Chromite is the sole source of the metal chromium, which is the chromeiron alloy employed in the manufacture of special grades of steel. Chromium salts are used in .

chromite in a KOH submolten salt medium, affording the maximum extraction of chromium as 99%. In the aforementioned processes, the consumption of electricity is high, even though the discharge of ...

Chromite is the mineral ore of the metal Chromium, and the chromium must often be extracted from the ore and purified before it is used. Chromium is an important ingredient in steel; it gives this metal increased hardness and toughness, and it helps it reduce chemical erosion over time.

The only ore of chromium is the mineral chromite. chromium consumption is equivalent to about 14% of all the chromite ore mined each year. In the western hemisphere, chromite ore is produced only in Brazil and Cuba; the, Mexico and Canada do not produce chromite.

Jun 15, 1976· Process of extracting chromium from a chromium ore or concentrate by oxidation, which comprises suspending the chromium ore or concentrate in a bath of molten salts and introducing an oxygencontaining gas into the suspension in a sufficient amount and for a sufficient amount of time to oxidize chromium therein.

Chromium is a transition metal in Group 6 on the Periodic Table of Elements. In its pure form, chromium is a silvery, lustrous, hard metal that has a high polish, ideal for electroplating.

The chief source of chromium is chromite (chrome iron ore), an oxide of iron and chromium. This mineral is a common constituent of basic igneous rocks, such as olivine gabbro, peridotite, and pyroxenite, in which it occurs as disseminated grains, as illdefined streaks.