When talking about the current situation and future development of China’s energy, the relevant energy strategy experts expressed great concern, they believed that China is facing a huge challenge to meet the sustainable energy supply. In the next 20 years, due to industrialization and urbanization, China’s electricity demand will increase by 200%, accounting for about …
Coal is the most abundant part of fossil energy, and coal is also the most serious energy source that pollutes the environment. Coal mining methods can be divided into open-pit mining and underground mining. Open-pit mining accounts for about 1/3 of the world, and underground mining accounts for about 2/3. Coal often coexists with methane …
A large number of fossil fuels such as coal and oil used by humans will produce many kinds of air pollutants during the combustion process. Combustion is considered to be the first source of air pollution. These air pollutants have harmful effects on human health and the environment. Air pollutants can be divided into primary …