순환자원 인정제도 이물질 기준 타당성 검토 및 개선방안 -폐타이어 철심을 중심으로-

A Circulation Resource Certification System was enforced and the foreign substance matter standard of metal scrapdecreased to within 2%. In the case of this TDS (Tire-Derived-Steel), depending on the type of recycling standard R-3-3, foreign substances of 2% or more are contained and it is not suita...