Coal Processing The preparation of ROM coal commences the moment it is received from the mine. The Rotary Coal Breaker crushes and breaks the coal and removes the majority of the rock contamination. The sized coal from the Rotary Breaker can then be fed into a Rolling Ring Crusher which produces a finer product.
Many of the pharmaceuticals currently available to physicians have a long history of use as herbal remedies, including opium, aspirin, digitalis, and quinine. According to the World Health Organization, approximately 25% of modern drugs used in the United States have been derived from plants.
Many of the medicines we rely on today, from aspirin to morphine to the anti-cancer drug, Taxol, were derived from plants. The cross-cultural study of medicines derived from naturally occurring substances like plants and fungi is known as ethnopharmacology. Although these plants have often been used in traditional medicine for many, many years, there is still a lot to learn from them.