Material Drying
7 조회수
Incomplete depolymerization in PET chemical recycling
문제 현상
The depolymerization process (glycolysis or hydrolysis) in PET chemical recycling is incomplete, and the residual PET amount is too high.
원인 분석
Depolymerization temperature is on the low side or time is insufficient; catalyst dosage is insufficient or deactivated; PET and the depolymerizing agent are not fully mixed.
해결 방법
Increase depolymerization temperature and extend reaction time; optimize catalyst type and dosage; improve stirring and mass transfer efficiency.
핵심 요약
PET chemical depolymerization efficiency depends on reaction conditions and mass transfer effect.
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