This is the 2018th most frequent Korean word.
분리
Separation.
In this sentence, '분리' refers to the physical act of separating objects (trash, in this case) based on categories.
쓰레기를 종류별로 분리하여 재활용합니다.
The trash is separated by type for recycling.
Here, '분리' is used metaphorically to describe distinguishing one abstract concept (emotions) from another (logic).
감정과 논리를 분리하여 판단하는 것이 중요합니다.
It is important to separate emotions from logic when making decisions.
The term '분리' in this case indicates the process of separating molecules or substances through chemical methods.