Dolomite

CLASSIFYING

Dolomite is ground/milled into 325-1250 mesh to produce dolomite powder. The powder will be classified by a classifier. The Qualified dolomite powder will be packed and used in building, ceramic, rubber, etc., while the unqualified powder will be sent back for re-grinding.

Primary Dolomites

Dolomites and dolostones that originate via replacement of CaCO3

Replacement dolomites or Secondary dolomites

Direct precipitation from aqueous solution to form sedimentary deposits

FINE CRUSHING

The dolomite rock is crushed by a cone crusher into blocks of small particle size to achieve sufficient dissociation of the useful material of the ore.

Cooling

The high temperature activated calcined white is cooled by a cooler to below 100°C. The air is preheated to above 600°C.

Magnesium alloy Finally,

The magnesium alloy is produced by heat treatment or other methods.

Dolomite Cementation

The precipitation of dolomite from aqueous solution as a cement in primary or secondary pore spaces.

dolomitic marble

A common rock forming mineral and a type of limestone. The primary component of the sedimentary rock is dolostone and for the metamorphic rock it is _________. In addition, a limestone that contains dolomite is known as dolomitic limestone.

Dolomite,

As stated in the book, "Mineral Resources of the Philippines" , __________, a carbonate of calcium and magnesium, is ideally composed of 21.70 percent magnesia, 30.40 percent lime and 47.90 percent carbon dioxide. Its chemical composition is CaMg(CO3)2.

Calcinating

Choose an energy-saving rotary kiln to calcine the dolomite at 1250°C into a higher-grade calcined white

diagenesis or hydrothermal metasomatism

Formed by _________ of limestone; a primary phase in hypersaline sedimentary environments; a major component of some contact metamorphic rocks and marbles; a gangue in hydrothermal veins; in carbonatites and ultramafic rocks.

Since Dolomites were formed under marine settings In Visayas Region, especially in parts of Cebu, Bohol, and Western Leyte, considered to be marine sedimentary basins

Geology

Ontario, Canada,

In__________ the deposits of dolomite were also found in precambrian marbles, calcite veins and carbonatites.

glass, bricks and ceramics

Ingredient in the production of ___________.

COARSE CRUSHING

Large dolomite rock is sent to a jaw crusher for coarse crushing.

Location Alcoy and Dalaguete, Cebu

Notable Deposit in the Philippines

COARSE CRUSHING FINE CRUSHING SCREENING

PROCESSING METHOD: Crushing and Screening Dolomite Rock

GRINDING CLASSIFYING

PROCESSING METHOD: 2. Grinding and Classifying Dolomite Rock

Briquetting

Press the powder into briquettes with a briquetting making machine. Another dust removal system can be equipped.

Mixing and grinding

Put dolomite, ferrosilicon (within 20 mm), and fluorite powder into a ball mill for mixed grinding. The particle size is within 100 mesh. The dust removal system is equipped.

Philippine Mining Services Corporation (Pungalo, Alcoy) 35,700,000 MT

Resource and Reserve

MEXICO

The Ordovician Upham dolomite and the Silurian Fusselman dolomite are high-purity beds in most of the area.

Province of Cebu

The ____________ is blessed as it is among the few provinces in the country where economically mineable deposit of dolomite can be found. Dolomite occurs in several municipalities, but the main deposit is found in Alcoy and Dalaguete areas.

PROCESSING METHOD: 3: Calcinating Dolomite Rock

The crushed dolomite is calcined in a rotary kiln, which is used for producing refractory materials, magnesium alloys, cement, etc.

GRINDING

The crushed dolomite is transported from the bottom up to the silo by a bucket elevator and then sent to the Raymond mill for grinding by an electromagnetic vibrating feeder.

SCREENING

The dolomite blocks are sent to a vibrating screen for screening. Qualified materials are directly used in the construction industry as sand and gravel aggregates or continue to be processed. However, unqualified dolomite will return to the cone crusher for further crushing.

Preheating

The dolomite rock evenly enters the preheater to be preheated to above 800°C.

auxiliary material

This mineral is generally used as an ______ for iron and steel.

Dolomite is formed by the replacement of the calcite ions by the magnesium ions. Depending upon the ratio of the Mg ions in the crystal lattice they have different names. To complete the dolomitization process, four major variables are needed: time, composition and derivation of the solutions involved, and fluxing mechanisms.

Types & mode of formation

This mineral is generally used as an auxiliary material for iron and steel. Sintering agent and flux in metal processing. Ingredient in the production of glass, bricks and ceramics. Utilized as fertilizer and soil conditioner, and feed additives for livestock, among others.

USES of dolomite

Refining magnesium

Using Electrolysis or Silicothermic Reduction to extract magnesium metal.

fertilizer and soil conditioner, and feed additives

Utilized as __________for livestock, among others.

Sintering agent and flux

____________ in metal processing.

Preheating Calcinating Cooling Mixing and grinding Briquetting Refining magnesium Magnesium alloy

how to Produce magnesium alloy?