The use of calcium oxide
Time：
2021-09-15
1, can be used as a filler, such as: used as a filler for epoxy adhesive;
2, used as an analytical reagent, gas analysis used as carbon dioxide absorbent, spectral analysis reagent, high purity reagent for semiconductor production in the epitaxial, diffusion process, laboratory ammonia drying and alcohol dehydration.
3, used as raw materials, can manufacture calcium carbide, soda ash, bleaching powder, etc., also used in leather, wastewater purification, calcium hydroxide and various calcium compounds;
4, can be used as building materials, metallurgical flux, cement accelerator, phosphor flux;
5, used as vegetable oil decoloring agent, drug carrier, soil amendment and calcium fertilizer;
6, can also be used for refractory materials, desiccant [1];
7, can prepare agricultural machinery 1, 2 glue and underwater epoxy adhesive, also used as a reaction agent with 2402 resin pre-reaction;
8. Used for acid wastewater treatment and sludge conditioning;
9, can also be used as boiler stop protective agent, using the moisture absorption capacity of lime, so that the metal surface of the boiler water vapor system to keep dry, prevent corrosion, suitable for low pressure, medium pressure, small capacity drum boiler long-term stop protection;
10, can react with water to prepare calcium hydroxide, reaction equation :CaO+H₂O=Ca(OH)₂, belongs to the combination reaction.
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