科学技术与应用

聚羟基脂肪酸酯（PHA）在土壤中的生物降性研究进展

周 路

伊犁川宁生物技术股份有限公司

牛 李杰

伊犁川宁生物技术股份有限公司

王 荣

伊犁川宁生物技术股份有限公司

张 香香

伊犁川宁生物技术股份有限公司

张 宝新

伊犁川宁生物技术股份有限公司

DOI: https://doi.org/10.59429/kxjsyy.v3i1.13243

Keywords: 生物降解；生物聚合物；可持续性；聚羟基脂肪酸酯；土壤环境

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Abstract

全球塑料污染问题日益严峻，化石基塑料在环境中难以降解、残留久的特性，正持续威胁生态系统平衡与人 类健康。在此背景下，聚羟基脂肪酸酯（PHA）作为微生物合成的生物基可降解聚酯，凭借由可再生碳源合成、可 被微生物完全降解且兼具传统塑料优良性能等优势，成为替代化石基塑料的关键材料。土壤是 PHA 废弃物自然降解 的核心场所，其复杂的环境条件对 PHA 降解效率具有显著调控作用。解析 PHA 土壤生物降解机制、核心影响因素 及应用实例，对 PHA 规模化推广与塑料污染治理具有重要现实价值。

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