The composition and structure of coal
The composition of coalCoal is a combustible ore composed of a complex mixture of organic and inorganic compounds. The organic components are mainly composed of carbon,...
The formation of coal mines and coal ranks
Geologists believe that underground coal mines were formed in the Carboniferous geological age 290-360 million years ago, when most of the surface was covered by muddy...
Current status of global electricity production
According to the current assessment of the International Energy Agency, electrical energy has been the fastest growing form of end-use energy consumption in the world in...
Forecast of the future situation of global energy consumption
The U.S. Energy Information Administration (ELA) released the International Energy Outlook (IEO) 2011 and assesses the international energy market by 2035. The reference case planning is...
Global regional energy consumption
In the past few decades, global primary energy consumption has continued to grow. Primary energy consumption increased by 2.5% in 2011, which is about the average...
Coal and energy security
Energy security supply involves two aspects: ① long-term security or resource availability; ② short-term security includes interruption of the supply of main fuel or electricity production....
Coal problem
Despite its high practical value, the process of coal from production to consumption may cause serious pollution to the environment. The impact on the environment can...
Global Energy System
The global energy system faces many challenges in the 21st century. The main challenge is how to provide affordable and safe energy supply. Today, in developing...