污水污泥作为植物作物肥料的使用:污水污泥施肥对菠菜重金属积累和重金属生物有效组分的研究

IF 0.5 Q4 ENGINEERING, ENVIRONMENTAL

International Journal of Environmental Technology and Management Pub Date : 2019-01-01 DOI:10.1504/ijetm.2019.10026644

A. Akinsanya, J. Odiyo, Elizabeth O. Popoola, T. Msagati

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引用次数: 0

摘要

种植菠菜蔬菜(Spinacia oleracea)，施用干污泥作为肥料。成熟时，采集叶片样品。利用ICP/OES分析了土壤、污泥和叶片样品的总重金属含量(Cr、Cu、Fe、Mn、Zn、Cd、Co、Ni、Pb和Al)。还分析了叶片样品中不同形式或种类的重金属。铜的浓度最低(0.0009 mg kg - 1)，铁的浓度最高(378.9 mg kg - 1)。结果表明，各形态重金属在Fe金属交换部分(F1)的浓度最高，为136.8 mg kg - 1, Pb金属残留部分(F5)的浓度最低，为0.0005 mg kg - 1。研究表明，蔬菜叶片有可能通过土壤从污泥中吸收重金属。

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The use of sewage sludge as manure for plant crops: a study of Spinacia oleracea accumulation of heavy metals and heavy metal bio-available fractions fertilised by sewage sludge

Spinach vegetables (Spinacia oleracea) were planted and dry sludge was applied as manure. At maturity, samples of the leaves were taken. The soil, sludge and leaf samples were analysed for total heavy metal content (Cr, Cu, Fe, Mn, Zn, Cd, Co, Ni, Pb and Al) using ICP/OES. Leaf samples were also analysed for the different forms or species of heavy metals. Cu was found to have the lowest concentration (0.0009 mg kg−1) while Fe registered the highest concentration (378.9 mg kg−1). The speciated heavy metals were found to have their highest concentration at 136.8 mg kg−1 for the exchangeable fraction (F1) of Fe metal and the lowest concentration of 0.0005 mg kg−1 for the residual fraction (F5) of Pb metal. The Study revealed that there is a possibility of an uptake of heavy metals by the vegetable leaves from the sludge through the soil.

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来源期刊

International Journal of Environmental Technology and Management ENGINEERING, ENVIRONMENTAL-

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： IJETM is a refereed and authoritative source of information in the field of environmental technology and management. Together with its sister publications IJEP and IJGEnvI, it provides a comprehensive coverage of environmental issues. It deals with the shorter-term, covering both engineering/technical and management solutions.