t is an inorganic compound and a salt of phosphoric acid. Phosphates and organophosphates are esters of
phosphorous acid. Phosphate is one of the minerals and internal natural resources, and is used after its extraction in
many agricultural and industrial uses.
Phosphates use
1- It is used as a basic component in the fertilizer industry.
2- It has a major role in the iron and steel industry.
3- It is used in manufacturing pesticides.
4- It is used in making phosphoric acid.
5- It is an important component of livestock food.
6- It is used in making fireproof fabrics.
7- It is involved in the pharmaceutical industry.
8- The soft drinks industry.
Properties Units Specification
Appearnce Clear Liquid
Color Colourless
Density g/cm3 3g/cm1.172-1.150
Properties Units Specification
Strength (HCLContent) % m/m 30.0-33.0
Free Chlorine g/l Max 0.014
Non Volatile ppm Max 500
Iron as Fe ppm Max 1.0
Sulphate as So4 ppm Max 100
It is natural silica sand, which contain a high percentage of kaolin from 15- 20%.
it is naturally from the quarry, we can make sizing as customer need up to 125 micron, so kaolin % will be higher or we can milled it up to 45 micron.
it can used directly as source of silica and alumina in any industry.
or can be washed and separated as kaolin + sand
Talc is a metamorphic mineral resulting from the metamorphism of magnesian minerals.
-Talc have several kinds
1- steatite which is pure talc, it refers to high-purity, dense, very fine-grained talc that can be machined. On firing, it has good electrical insulating properties and is used in the manufacture of electrical porcelain.
2-foliated talc use in several industry
3- tremolite talc This is fine-grained “hard” talc, which have magnesium concentration about 10 %, and traces of carbonates and quartz.
Uses:
Talc enter in several industry around the world like
1- painting 2- insecticides: as a carrier
3- tanning leather 4- soap
5- filler: in carpet and textile backings, wallboard joint compounds, adhesives and sealants
6- ceramic and pottery: Talc for ceramic applications is low in iron and carbonates, uniform in chemical composition and fired shrinkage, hard and fine grained, controlled in particle size distribution,
7-plastics: Talc is used in thermoplastics to control melt flow, reduce creep in molded parts, increase molding cycles, increase heat deflection temperature, and improve dimensional stability.
8- paper: Its low abrasion and ability to preferentially wet oily materials in the presence of water are unique among mineral alternatives, talc is used for TiO2 extension and for improved gloss, opacity, brightness, and ink holdout.
9- pharmacological cosmetics and talc powder: Only high-brightness platy talc of exceptional purity is used in cosmetics and pharmaceuticals.
10-printing ink 11- electric isolation
12- Talc is used for flow control in animal feeds, as a dusting agent for rubber, as an anticaking agent for fertilizers
13- Coatings The principal use for talc in coatings is as a TiO2 extender.
Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline crystalline solid at room temperature. The broadly used term lime connotes calcium-containing inorganic materials, in which carbonates, oxides and hydroxides of calcium, silicon, magnesium, aluminium, and iron predominate, such as limestone.
Calcium oxide is usually made by the thermal decomposition of materials such as limestone, that contain calcium carbonate (CaCO3; mineral calcite) in a lime kiln. This is accomplished by heating the material to above 825 °C (1,517 °F), a process called calcination or lime-burning, to liberate a molecule of carbon dioxide (CO2); leaving quicklime. The quicklime is not stable and, when cooled, will spontaneously react with CO2 from the air until, after enough time, it is completely converted back to calcium carbonate
Uses quick lime
Quicklime is relatively inexpensive. Both it and a chemical derivative (calcium hydroxide) are important commodity chemicals.
Quicklime produces heat energy by the formation of the hydrate, calcium hydroxide, by the following equation:[3]
CaO (s) + H2O (l) Ca (OH) 2 (aq) (ΔHr = −63.7 kJ/mol of CaO)
As it hydrates, an exothermic reaction results and the solid puffs up. The hydrate can be reconverted to quicklime by removing the water by heating it to redness to reverse the hydration reaction. One litre of water combines with approximately 3.1 kilograms (6.8 lb) of quicklime to give calcium hydroxide plus 3.54 MJ of energy. This process can be used to provide a convenient portable source of heat, as for on-the-spot food warming in a self-heating can.
When quicklime is heated to 2,400 °C (4,350 °F), it emits an intense glow. This form of illumination is known as a limelight, and was used broadly in theatrical productions prior to the invention of electric lighting.
Calcium oxide is also a key ingredient for the process of making cement.
Phosphates are chemical compounds containing phosphorus, a naturally occurring mineral, and oxygen that are used in a wide variety of applications
Uses and Applications
Use of
Polyphosphates for their diverse functionality in water based paints and coatings.
Phosphates Used in the Processing of Various Ceramics.
Inventory of Phosphate Applications and Uses.
Phosphoric acid-based chemical polishes are used primarily to chemically polish (brighten) aluminum and aluminum alloys.
Many phosphorus-containing materials are used as flame-retardants for textiles, plastics, coatings, paper, sealants and mastics.
"Phosphates and phosphoric acid have many uses in the treatment of potable (drinking) water.
Cleaning solutions with phosphates help clean mildew and stubborn stains on vinyl siding.
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