People also ask
What are the main components of coal?
It is composed mostly of carbon and hydrocarbon s, which contain energy that can be released through combust ion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel in the United States.
What is coal used for?
From its introduction 4,000 years ago as a fuel for heating and cooking, to its nineteenth- and twentieth-century use in generating electricity and as a chemical feedstock , coal, along with oil and natural gas, has remained an important source of energy.
What type of rock is coal?
Coal is a black or brownish-black sedimentary rock that can be burned for fuel and used to generate electricity. It is composed mostly of carbon and hydrocarbon s, which contain energy that can be released through combust ion (burning).
What are the processes for production of chemicals from coal?
The processes for production of specific chemicals from coal are typically proprietary systems using specialized process systems. In the following discussion, some of the processes for important chemicals such as formaldehyde, olefins, etc. are presented.