Material Drying
6 مشاهدة
Incomplete depolymerization in PET chemical recycling
ظاهرة المشكلة
The depolymerization process (glycolysis or hydrolysis) in PET chemical recycling is incomplete, and the residual PET amount is too high.
تحليل الأسباب
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.
الحل
Increase depolymerization temperature and extend reaction time; optimize catalyst type and dosage; improve stirring and mass transfer efficiency.
الخلاصة الأساسية
PET chemical depolymerization efficiency depends on reaction conditions and mass transfer effect.
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