Heavy Metals in Agricultural Lands Receiving Chemical Sewage Sludges, Vol. 3 PDF Download
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Author: Canada. Environmental Protection Service
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Canada. Environmental Protection Service
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: J. C. Van Loon
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Author: Research Program for the Abatement of Municipal Pollution (Canada)
Publisher:
ISBN:
Category :
Languages : en
Pages : 37
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Author: Research Program for the Abatement of Municipal Pollution (Canada)
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Book Description
Author: Jon Clement Van Loon
Publisher:
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Category : Sewage irrigation
Languages : en
Pages :
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Book Description
Author: J. C. Van Loon
Publisher:
ISBN:
Category :
Languages : en
Pages : 41
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Book Description
Author: Canada. Environment Canada. ENVIRONMENTAL PROTECTION SERVICE.
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Category :
Languages : en
Pages : 0
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Author: Jon Clement Van Loon
Publisher:
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Category : Heavy metal pollution
Languages : en
Pages : 37
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Book Description
The disposal of sewage treatment plant sludges poses a serious problem. Potentially, these materials could be used as fertilizers on agricultural lands. This would be a double benefit acting as a disposal mechanism as well as a source of plant nutrients. On the other hand, a variety of reports have appeared urging caution in this regard for fear of contamination of the land by other matrix constituents. Among these are the potentially toxic heavy metals. A series of reports, most of which have appeared in the past year, describe the metal content of domestic sewage plant sludges and sewage sludge fertilizers. Researchers study the uptake by plants of heavy metals from sludged or otherwise metal contaminated soils. The present study emphasizes the utilization of standard and control samples as tools for validating the data obtained.
Author: Irena Sherameti
Publisher: Springer
ISBN: 3319145266
Category : Technology & Engineering
Languages : en
Pages : 499
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Book Description
Following a description of the various sources and factors influencing the contents of heavy metal pollution in post-catastrophic and agricultural soils, subsequent chapters examine soil enzymes and eggs as bio-monitors, lead adsorption, the effects of arsenic on microbial diversity, and the effects of Mediterranean grasslands on abandoned mines. A third section focuses on the adaptation strategies used by plants and bacteria, such as Pinus sylvestris in industrial areas, and the rhizosphere in contaminated tropical soils and soil treated with sewage sludge. Further topics addressed include strategies of bioremediation, e.g. using transgenic plants as tools for soil remediation. This new volume on heavy metals in soil will be of interest to researchers and scholars in microbial and plant biotechnology, agriculture, the environmental sciences and soil ecology.
Author: Jon Clement Van Loon
Publisher:
ISBN:
Category : Heavy metals
Languages : en
Pages : 52
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Book Description
This report reviews existing and newly developed analytical methods for sewage sludge analysis. ft had been stressed earlier that knowledge of the form of metals in waste and environmental samples is of great importance. As a result of this the development of simple equipment and analytical methods to initiate metal speciation has been stressed. Procedures developed earlier and used provisionally have been studied in depth. The mercury method is now acceptable as recorded. The As/Se procedure has been modified as a result of further investigation. Nonflame atomic absorption methods have been developed for silver and vanadium. It is demonstrated that using atomic absorption spectroscopy as a detector does not guarantee a quick solution to metal speciation problems. Sludges can be dry-ashed at 450°C without fear of Joss of cadmium, lead or appreciable amounts of zinc. When aluminum is to be determined, dry-ashing should not be used. Data also make it clear that incineration at temperatures usually employed will release large amounts of arsenic, cadmium, lead, mercury and zinc. A number of sewage sludges were analyzed, and the results are tabulated.
