Types of ores that can be concentrated by froth flotation method are sulphide ores. Examples are PbS (sulphide galena) and ZnS (zinc blende).

Which ore is concentrated by froth flotation process?

. As the galena ore contains sulphide group, therefore galena is best concentrated by the froth flotation method.

What that is concentrated by froth flotation?

Cinnabar (HgS) is a sulphide ore, hence it is concentrated by froth floatation process.

Why is froth flotation used for sulphide ores?

The single most important operation used for the recovery and upgrading of sulphide ore. Only sulphide ores are concentrated by the froth flotation process because pine oil selectively wets the sulphide ore and hence brings it to the froth.

Which of the following ores is concentrated by leaching?

Gold and silver are extracted from their native ores by leaching.

Trick to learn froth flotation process / Metallurgy tricks

45 related questions found

Which sulphide ore is not concentrated by froth flotation?

Coming to the given options, Galena, Copper pyrite, Sphalerite are the sulphide ores concentrated by the froth floatation process. But Argentite is not concentrated by the froth floatation method.

How are haematite ore is concentrated?

Haematite ore is a combination of Iron and oxide and also it is a heavy mineral oxide. Hence, gravity separation is used. ∴ Haematite ore is concentrated by “Gravity separation method”.

Which of the following ores Cannot be concentrated by froth floatation process?

Pyrolusite (MnO2 is not concentrated by froth floatation process.

Which of the following ores is best concentrated by froth floatation process?

PbS, i.e. Galena is best concentrated by froth floatation method.

What is the name of sulphide ore?

Significant examples include: argentite (silver sulfide), cinnabar (mercury sulfide), galena (lead sulfide), molybdenite (molybdenum sulfide), pentlandite (nickel sulfide), realgar (arsenic sulfide), and stibnite (antimony), sphalerite (zinc sulfide), and pyrite (iron disulfide), and chalcopyrite (iron-copper sulfide).

Is zinc blende is concentrated by froth flotation?

We should note here that the zinc blende is concentrated by the froth floatation process . It is further used for the concentration of the low grade sulphide ores like galena, lead sulphide, copper pyrites.

Which of the following ore is concentrated by froth floatation zinc pyrites copper pyrites all?

Copper pyrite is a sulphide ore (CuFeS2). Pentlandite is an iron-nickel sulphide ore (Fe,Ni)9S8 and zinc blende (ZnS) is also a sulphide ore hence it is concentrated by froth floatation process. While Pyrolusite is an oxide ore (MnO2) and cannot be concentrated by this process.

Which of the following ores Cannot be concentrated by magnetic separation?

From the following options, only cuprite is non-magnetic in nature so it cannot be concentrated by electromagnetic separation technique. Q3. Iron can be concentrated from iron ore using electromagnetic separation. ... Iron can be concentrated from iron ore using electromagnetic separation.

How is cassiterite concentrated?

Cassiterite is an ore of tin and is commonly known as tinstone. Tin is not magnetic in nature and thus the ore can be concentrated by removal of the magnetic impurities like iron and manganese.

How is copper pyrite concentrated?

Copper is mainly extracted from copper pyrites. After the concentration of its metal by froth flotation process, the metal is cooked in a current of air to eliminate arsenic, antimony and quite a bit of sulphur. ... The ore being sulphide mineral is concentrated by foam floatation process.

How is bauxite concentrated?

Chemical separation of Leaching. In this powdered ore is treated with a suitable reagent which can dissolve th ore but not impurities.

Which of the following concentration method is used for extraction of iron ore?

Concentration of Ore

The extraction of iron begins with concentration through calcination which is a process in a limited supply of oxygen applied to ores to bring thermal decomposition. An ore of a metal is an impure source. It consists of many impurities other than metal such as sand, clay, etc.

Which of the following ore is concentrated by calcination?

Concentration of sulphide ore is done by the calcination method.

How are sulphide ore concentrated?

Sulphide ores are concentrated by froth flotation process because pine oil selectively wets the sulphide ore and hence brings it to the froth.

Which of the following is not a method of concentration of ore?

Solution: Smelting is not a method of concentration of metals. Smelting is a process of extraction of metal in its molten state by any reducing agent in the presence of flux.

Which ore is concentrated by chemical leaching?

Gold and silver are extracted from their native ores by leaching.

Which of the following ore is concentrated by chemical leaching in spite of froth flotation?

Galena (PbS), copper pyrites (CuFeS2) and argentite (Ag2S) are concentrated by froth floatation process but sphalerite (ZnS) is concentrated by chemical leaching.

Which of the following metal is concentrated by ammonia leaching?

When a crushed ore containing nickel, copper and cobalt is treated with aqueous ammonia under suitable pressure, ammonia selectively leaches these metals by forming their soluble complexes viz.

Which type of ores are concentrated by froth flotation process give example?

Types of ores that can be concentrated by froth flotation method are sulphide ores. Examples are PbS (sulphide galena) and ZnS (zinc blende).