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Physicochemical properties and risk assessment of perishable waste primary products

文献类型： 外文期刊

作者： Li, Penghao 1 ; Zhu, Fengxiang 2 ; Weiping, Wang 2 ; Zhou, Ying 1 ; Yao, Yanlai 2 ; Hong, Leidong 2 ; Zhu, Weijing 2 ; Hong, Chunlai 2 ; Liu, Xiaoxia 3 ; Chen, Hongjin 3 ; Yu, Yijun 3 ;

作者机构： 1.Zhejiang Univ Technol, Hangzhou 310014, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Environm Resource Soil & Fertilizer, Hangzhou 310021, Peoples R China

3.Zhejiang Cultivated Land Qual & Fertilizer Adm Stn, Hangzhou 310019, Peoples R China

关键词： Perishable waste; Fertilizer; Heavy metal; Organic pollutants; Nutrient

期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：8.7； 五年影响因子：8.4 ）

ISSN： 0301-4797

年卷期： 2023 年 337 卷

页码：

收录情况： SCI

摘要： Fertilization has become one of the most important ways to recycle perishable waste. In order to reveal the effect of the nutrient of the perishable waste primary products on the market and the possible impact of their application, 136 perishable waste primary products were sampled in nine cities in Zhejiang province, China. The result shows that these products have high nutrient content (average nutrient content was 5.00%). However, the conductivity (7.19 mS/cm) total soluble salt content (12.07%), and grease content (5.99%) were too high. The excessive salt and grease may cause harm to soil and crops, and become the main limiting factors for the fertilizer utilization of perishable waste. Heavy metal content of most of the samples met current commercial organic fertilizer standards, except that lead and chromium content of some samples exceeded the limit standard. Toluene, ethylbenzene, m & p-xylene were generally detected in the samples. These toxic and harmful substances have brought risks to the safe use of perishable waste into fertilizers.

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