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评估试点规模的污水污泥颗粒化用于非食品作物肥:营养含量,致病性和生长性能
Mohd Hafif Samsudin1, Mohd Zulkhairi Mohd Yusoff2,3, Mohd Ali Hassan1,4
1Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
Environmental monitoring and assessment
|August 12, 2024
概括
用塔皮奥卡粉颗粒化的污水污泥是非食品作物的安全和成本有效的肥料. 这种可持续的方法增强了植物的生长,包括高度,叶绿素和鲜花的生产,为无机肥料提供了可行的替代品.
科学领域:
- 农业科学 农业科学
- 环境工程 环境工程
- 废物管理 废物管理
背景情况:
- 污水污泥作为肥料的利用为可持续农业带来了好处,以经济高效的方式满足作物营养需求 (和).
- 传统的废弃物处理方法,如焚烧和垃圾填埋场,往往比污泥应用更昂贵.
- 这项研究重点关注污水污泥的颗粒化,用于非食品作物,如装饰植物.
研究的目的:
- 评估农业应用污水污泥试点颗粒化的可行性.
- 为了确定颗粒化污水污泥的营养含量和安全性.
- 评估污水污泥颗粒作为装饰植物肥料的有效性.
主要方法:
- 污水污泥与塔皮奥卡粉联合颗粒化,重量比例为9:1.
- 对颗粒进行了营养分析 (,,).
- 根据马来西亚和美国的标准,对非基本元素和病原性进行了安全评估.
- 在Celosia plumosa和Tagetes erecta上进行了种植试验,比较污泥颗粒与无机肥.
主要成果:
- 颗粒化污水污泥含有5.7%的,4.9%的和0.2%的.
- 这些颗粒符合农业应用的安全标准,其非必需元素含量和致病性低于限度.
- 试验显示,使用污泥颗粒时,Celosia plumosa的生长 (20%的增长,27%的更多花) 和Tagetes erecta (12.5%的更多叶绿素) 的生长显著改善.
- 经济分析显示,每颗粒化污水污泥的生产成本为0.98美元.
结论:
- 用塔皮奥卡粉对污水污泥进行试验性颗粒化是一种生产安全且富含营养的肥料的可行方法.
- 污水污泥颗粒有效促进非食品作物的生长和质量,如Celosia plumosa和Tagetes erecta.
- 这种方法为传统的肥料和废物处理方法提供了具有成本效益和可持续性的替代方案.
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