从沉积物中提取塑料的方法
本申请提供一种从沉积物中提取塑料的方法,包括以下步骤:(1)对沉积物进行冻干处理;(2)从经过所述冻干处理的沉积物筛分大于第一尺寸的颗粒物;(3)将经过所述筛分的沉积物与氯化锌溶液混合成混合液;(4)待所述混合液分层后,收集上层悬浮物;(5)对收集到的所述悬浮物加入过氧化氢溶液,直至溶液澄清,若存在植物组织残留,则补充氢氧化钾溶液以去除干扰并保留可降解塑料;(6)从所述澄清的溶液筛分大于第二尺寸的颗粒物,其中所述第二尺寸小于所述第一尺寸。
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