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Calcium Chloride Have Better Adsorption Performance And Stability
- Nov 02, 2017 -

Calcium chloride is an inorganic compound, a salt of chlorine and calcium, which is a typical ionic halide. Characters are white, hard pieces or particles. Slightly bitter, tasteless. Calcium chloride has a strong adsorption capacity and low desorption temperature for ammonia, which has great application prospect in ammonia adsorption separation. However, calcium chloride is not easy to form a stable porous material, and gas ammonia contact area is small, and in the adsorption, desorption process is easy to expand, agglomeration, making it difficult to put into practical application in this regard. Calcium chloride can be supported on a high specific surface carrier, which can greatly improve the contact area between calcium chloride and ammonia. Studies have shown that the addition of calcium chloride on the molecular sieve and the preparation of the composite adsorbent than a single adsorbent has better adsorption performance and stability.

Calcium chloride, a salt of chlorine and calcium, of the formula CaCl2. It is a typical ionic halide and is a white solid at room temperature. Its common applications include brine used in refrigeration equipment, road melting agents and desiccants. Because it is easy to absorb moisture in the air deliquescence, so anhydrous calcium chloride must be sealed in the container storage. Calcium chloride and its hydrates and solutions have important application value in food manufacturing, building materials, medicine and biology.

Calcium chloride is a white granular product, composed of chlorine and calcium elements of the salt, the chemical formula CaCl2. Slightly bitter, tasteless, highly hygroscopic, exposed to the air easily deliquescence. Soluble in water, while releasing a lot of heat, the aqueous solution was slightly acidic.

The main purpose:

(1) desiccant: such as nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide and other gases dry. We are in the purchase, the clothes, shoes, etc. will have a small bag of desiccant, which is to protect the clothes, shoes are not damp, the main majority of this desiccant made of calcium chloride.

(2) snow agent: in some areas of rain and snow, such as the north of the road, parking lot and so on with the addition of calcium chloride in addition to snow.

(3) Dehydrating agent: Used as a dehydrating agent in the production of alcohols, esters, ethers and acrylic resins.

(4) Refrigerant: Calcium chloride aqueous solution is an important refrigerant for refrigeration and ice making,

(5) Antifreeze: can accelerate the hardening of concrete and increase the capacity of building mortar cold, is an excellent building antifreeze.

Other effects:

Calcium chloride is also an additive in plastics and fire extinguishers. As a filter aid in wastewater treatment, it is used as an additive in the blast furnace to control the aggregation and adhesion of raw materials to avoid charge settling and to act as a diluent in fabric softeners. Production of precipitants of lake pigments, calcium chloride solution is also used as seaweed sodium industry, soy products industry flocculant.