What is fluid coking and why is it done in many industrial process

Explain fluid coking and what is the need for fluid coking in industries

Fluid coking is a process used by industrial manufacturers to squeeze every last useful molecule out of heavy residues. Because of this process residues from other process can be utilized for the industrial purpose. The collected residues will be transferred into a burner and from there the residues will be segregated and it will be utilized for the plant purpose