Treatment method of waste fabric containing polyester and nylon

The invention provides a method for treating waste fabric containing polyester and nylon. The method comprises the following steps: a, providing waste fabric containing polyester and nylon; b, carrying out first-stage treatment including acid treatment on the waste fabric to obtain a first liquid su...

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Hauptverfasser: WENG ZIHUAN, LIAO DECHAO, ZHUANG RONGREN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention provides a method for treating waste fabric containing polyester and nylon. The method comprises the following steps: a, providing waste fabric containing polyester and nylon; b, carrying out first-stage treatment including acid treatment on the waste fabric to obtain a first liquid substance and a first solid substance; and c, performing second-stage treatment on the first liquid substance to obtain a second liquid substance and a second solid substance. And d, carrying out third-stage treatment including acid treatment on the first solid substance to obtain a third liquid substance. And step e, carrying out fourth-stage treatment on the third solid substance to obtain a fourth liquid substance and a fourth solid substance. The acid concentration of the second liquid is less than the acid concentration of the first liquid. The acid concentration of the fourth liquid is less than the acid concentration of the third liquid. 本发明提供一种含聚酯及尼龙的废弃织物处理方法,其包括以下步骤。步骤a:提供含有聚酯及尼龙的废弃织物。步骤b:对废弃织物进行包括酸处理的第一阶段处理