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[Chemical Knowledge]:What are the upstream raw materials for calcium oxide? What do the downstream products contain?

Calcium oxide plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are quite abundant. The following are some upstream and downstream products related to calcium oxide:

upstream products:

1. Limestone: Calcium oxide is mainly calcined from limestone at high temperature. Limestone is a common natural mineral, mainly composed of calcium carbonate.
2. Dolomite: Dolomite is also a common natural mineral, mainly composed of calcium carbonate and magnesium carbonate. It can be used to produce calcium oxide and magnesium hydroxide.

downstream products:

1. Calcium hydroxide: Calcium oxide reacts with water to produce calcium hydroxide, which is a common alkaline absorbent used in environmental protection, construction, chemical and other fields.
2. calcium carbonate: calcium carbonate can be produced by carbonizing calcium hydroxide. calcium carbonate is an important inorganic chemical raw material, which is widely used in plastics, rubber, paper, paint, medicine and other fields.
3. Calcium sulfate: calcium oxide reacts with sulfuric acid to produce calcium sulfate, which can be used in the production of building materials, ceramics, fertilizers, etc.
4. Calcium chloride: calcium oxide reacts with hydrochloric acid to form calcium chloride, which can be used as desiccant, refrigerant, antifreeze, etc. The

above only lists some of the upstream and downstream related products of calcium oxide. In fact, calcium oxide is widely used in chemical production, and there are many upstream and downstream products.
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