来自藻类和花与三重超酸盐的共同热解的生物炭基肥料:物理化学性质和缓释性能
Nazanin Esmaeili1, Maryam Khalili Rad1, Mahmood Fazeli Sangani1
1Department of Soil Science, Faculty of Agricultural Science, University of Guilan, Rasht, Iran.
概括
由藻类和子制成的新型生物炭基肥料 (BBF) 提供缓慢的释放,提高营养效率并减少传统酸盐肥料造成的环境污染.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- (P) 对于植物生长至关重要,但低效的肥料使用会导致污染.
- 传统的酸盐肥料的利用效率较低,导致环境问题.
- 基于生物炭的肥料 (BBFs) 被探索为一种可持续的替代品.
研究的目的:
- 评估BBFs的缓释特性,这些BBFs是由用三重超酸盐 (TSP) 联合热解的藻类 (A) 和花 (H) 产生的.
- 评估BBF在提高利用效率和减轻环境污染方面的潜力.
主要方法:
- 用三重超酸盐 (TSP) 在4:1的比率上对藻类和子生物质进行共热解.
- BBF属性的表征 (电导率,pH,元素比,表面积,孔隙大小).
- 动力学实验研究释放率和模型 (埃洛维奇模型).
主要成果:
- 与原材料相比,共同热解产生了与原材料相比变化的物理和化学性质的BBF.
- 来自BBF的释放遵循埃洛维奇模型,表明缓释特征.
- 与传统的TSP相比,BBF的释放速度明显较慢,时间较长,A+TSP和H+TSP在240小时内分别释放了5.14%和3.14%的.
结论:
- BBFs表现出有希望的缓释性能,表明它们作为传统酸盐肥料的有效替代品的潜力.
- BBF可以提高的利用效率,可能增加作物产量.
- 使用BBF可以帮助减轻与肥流失相关的环境影响.
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