RED MUD

About: 

• Names: Bauxite tailings is also known as red mud, red sludge, bauxite residue, or alumina refinery residues (ARR). 
  
  
• What is it? Red Mud, a Bauxite Residue, is a solid waste generated during the aluminium production process. 
  
  
• Concerns: This is an environmental concern due to presence of impurities such as caustic soda and others minerals. 
  
  
• Global scenario: Global generation of red mud is more than 150 million tons and there exists a global inventory of more than 3 billion tons. 
  
  
• Indian scenario: Red mud generation in India is around 9 million tons per year.