Alkali

Calcium hydroxide (hydrated lime ) is widely used in

• metallurgy,
• construction,
• chemical industry,
• food industry,
• agriculture and other sectors.

Calcium oxide (calcium lime, unslaked lime) is widely used as follows:

• in construction as calcareous cement;
• as available and cheap refractory material;
• in chemical industry;
• in agriculture;
• in food industry, registered as food additive E259, etc.

• for production of fertilizers,
• for production of synthetic rubber,
• electrolytes for accumulators,
• reagents, xanthogenates, salts,
• in medicinal industry and in other business sectors.

Common name of caustic alkalis is caustics. They are widely used in production. Caustic soda is used when producing washing agents, shampoos and soaps, in paper and pulp industry, in chemistry – as a catalyst, in analytics. It is used in solutions for sewerage purification, in food and medicinal sectors. Caustic soda is also used when producing soap, in industrial washes, alkaline batteries, for production of various substances, e.g. methane. Calcium hydroxide (alias slaked lime) is used in construction: for ceiling liming, preparation of construction solutions and silicate concrete as well as in other production spheres.