Calcium Chloride is a bulk chemical commodity used in all kinds of industries. Worldwide manufacturing capability is in the area of 3.5 Million Tonnes per annum. Demand can fluctuate significantly relying on the severity of winter situations in North America and northern Europe, however sometimes is within the region of 2.5 Million Tonnes per annum.
Products
Calcium Chloride is produced in quite a few different types, relying on the application. Essentially the most widely used products include:-
o Anhydrous
o Flake
o Dihydrate
o Hexahydrate
o Liquid
Each of the above forms is additionally available in numerous grades from technical grades for industrial functions, to excessive purity food and pharmaceutical grades. As well as, different forms are available comparable to powder, prill, pellet and briquette – again relying on the application.
Properties
Calcium Chloride is used extensively as a desiccant/deliquescent. A desiccant is any materials which has a excessive affinity for water. A deliquescent additionally has a high affinity for water however absorbs water to such an extent that it eventually dissolves and turns to a liquid. Sometimes called a desiccant however is more accurately described as a deliquescent as it can eventually turn to liquid if it absorbs sufficient moisture. Because it absorbs water, it kinds hydrated forms of Calcium Chloride. There are a minimum of 4 ranges of hydration – 1, 2, 4 and 6-Hydrate. As water is absorbed, the hydration stage will increase till, relying on temperature, the Calcium Chloride will dissolve and turn out to be a extremely concentrated liquid. Liquid Calcium Chloride has its personal helpful properties together with a high specific gravity and very low freezing points – as little as -50oC to -60oC – which permits it for use in cooling and de-icing applications.
Applications
Calcium Chloride (CaCl2) is a bulk chemical broadly used throughout trade, for numerous applications. It is used as a source of Calcium, in industrial processes and water treatment, as a meals additive (E509) as a sequestrant or firming agent. It is also used as an accelerant within the setting of concrete and liquid Calcium Chloride can be used for tyre weighting in agricultural vehicles.
However, the majority of its purposes make use of its desiccant/deliquescent properties which make it an economical drying agent and suited to producing highly concentrated options with low melting/freezing points. It’s used for de-icing functions, notably on roads the place it absorbs water and kinds options with freezing factors a lot decrease than that of water, thus preventing formation of ice. The absorption of water by Calcium Chloride is exothermic which accelerates the melting of any ice already formed. Calcium Chloride is extensively used as a desiccant for drying industrial gases and liquid hydrocarbons (propane, butane).
Calcium Chloride is also used in the Oil and Gas business, as an additive to completion fluids the place it’s used to extend density, and as an additive to drilling muds.
Sometimes liquid calcium chloride is also used in fertilizers. Ward Chemical is the top producer of organic fertilizers containing this compound. They say that this biodegradable additive neutralizes the pH steadiness of the soil, reduces crusting, assists plant progress, ensures water retention, reduces excessive alkaline/sodium/magnesium/saline content, and protects crops from disease. Working shortly and efficiently, agriculture is considered one of many uses for this great mineral compound.
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