家幼虫的生物转化增强了在肥堆肥过程中重金属的稳定性和抗生素的降解
Nanyang Lu1,2, Tinglei Zhao1,2, Chunlai Hong2
1College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China.
Scientific reports
|July 16, 2025
概括
将家幼虫生物转化与肥堆肥相结合,可显著改善营养保留,减少重金属和四环素污染. 这种方法提高了最终生物肥料的农学价值和环境安全.
科学领域:
- 环境科学 环境科学
- 农业科学 农业科学
- 生物技术是生物技术.
背景情况:
- 肥堆肥对于废物管理和肥料生产至关重要.
- 传统的堆肥方法面临着营养损失,重金属污染和抗生素残留等挑战.
- 家幼虫的生物转化为提高堆肥效率提供了一个潜在的解决方案.
研究的目的:
- 评估室内幼虫生物转化与肥有氧堆肥的整合.
- 将这种综合方法与直接堆肥和粉修改堆肥进行比较.
- 评估对营养保留,重金属固定和抗生素降解的影响.
主要方法:
- 一个45天的堆肥过程,包括4天的幼虫生物转化,然后是41天的有氧堆肥.
- 与直接堆肥 (CK1) 和粉修改堆肥 (CK2) 的比较.
- 使用多变量分析分析营养含量 (C,N,P,K),虫虫蛋白产量,重金属 (Zn,Cd) 固定和抗生素 (OTC,CTC,DOX) 降解.
主要成果:
- 幼虫生物转化增强了水分的减少,基质的多孔性,并产生了6.08%的蛋白.
- 与CK2.2%相比,C,N,P和K的营养损失分别减少了13.45%,35.08%,62.15%和70.89%.
- 加速 humification 固定重金属,四环素 (CTC) 的半衰期减少到 2.57 天.
结论:
- 家幼虫生物转化与有氧堆肥相结合,显著改善了肥的质量.
- 该过程增强营养的保留,稳定重金属,并有效地去除四环素抗生素.
- 这种综合方法为农业应用提供了更安全,更有价值的生物肥料.
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