Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.
The primary crusher at a copper mine. The truck dumps ore into the crusher which crushes the ore. Screens size and distribute the classified ore to a series of conveyors, like those above, for transportation to the mill for further processing.
Salt is the common name for the substance sodium chloride (NaCI), which occurs in the form of transparent cubic crystals. Although salt is most familiar as a food supplement, less than 5% of the salt produced in the United States is used for that purpose.
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Chapter 77 - Chemical Processing CHEMICAL INDUSTRY. L. De Boer* *Adapted from 3rd edition, Encyclopaedia of Occupational Health and Safety. The business of the chemical industry is to change the chemical structure of natural materials in order to derive products of value to other industries or
Cassava is the most perishable of roots and tubers and can deteriorate within two or three days after harvesting (see section 4.1). Additionally, the roots need to have the cyanogenic glucocides reduced to a level which is acceptable and safe for consumption.
A coal preparation plant (CPP; also known as a coal handling and preparation plant (CHPP), coal handling plant, prep plant, tipple or wash plant) is a facility that washes coal of soil and rock, crushes it into graded sized chunks (sorting), stockpiles grades preparing it for transport to market, and more often than not, also loads coal into rail cars, barges, or ships.