Remediation of Pesticide-contaminated Soil by a Combination of Compost Addition and Planting PDF Download
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Author: Michael A. Cole
Publisher:
ISBN:
Category : Soil protection
Languages : en
Pages : 58
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Book Description
Author: Michael A. Cole
Publisher:
ISBN:
Category : Soil protection
Languages : en
Pages : 58
Get Book Here
Book Description
Author: Michael A. Cole
Publisher:
ISBN:
Category : Soil protection
Languages : en
Pages : 58
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Book Description
Author:
Publisher:
ISBN:
Category : Bioremediation
Languages : en
Pages : 128
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Book Description
Author:
Publisher:
ISBN:
Category : Compost
Languages : en
Pages : 54
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Book Description
Author: Sang-Jun Kim
Publisher:
ISBN:
Category : Bioremediation
Languages : en
Pages :
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Book Description
Abstract: EPTC (s-ethyl-N, N'-dipropylthiocarbamate) and atrazine (2-chloro-4-ethylamino-6-isopropylamino-1,3,5-triazine) are commonly used herbicides. Atrazine, especially, can be found in soils and waters at unacceptable concentrations. Developing an effective inoculum to bioaugment degradation of EPTC and atrazine in contaminated environments is required for bioremediation of such sites. Microorganisms capable of EPTC or atrazine degradation were directly enriched in soils (hereafter called ACTIVATED soils). The most probable number method revealed that the number of EPTC-degraders in a Brookston soil increased by about 3 logs of magnitude after a single treatment with EPTC at a rate of 20 mg/kg soil. In a Wooster soil, microorganisms utilizing atrazine as their sole carbon or nitrogen source increased by 3 logs and 1 log of magnitude, respectively, after three treatments of atrazine at a rate of 4 mg/kg soil. EPTC or atrazine degradation in these ACTIVATED soils was greatly accelerated after the first treatment, and degradation activity was not inhibited at initial concentrations up to 2000 mg EPTC/kg and 400 mg atrazine/kg soil, respectively. Inoculation of EPTC (20 mg/kg)- or atrazine (4 mg/kg)-contaminated soils with ACTIVATED soil, at rates ranging from 0.05 to 5% (w/w), resulted in significantly (p
Author:
Publisher:
ISBN:
Category : Compost
Languages : en
Pages : 90
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Book Description
Author: Philip C. Kearney
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 414
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Book Description
Provides a timely and comprehensive review of all methods of remediation of land and water contaminated by pesticides with contributions from experts in industry, government and academia. The safe disposal of pesticide wastes is one of the most critical issues in the whole field of pesticide technology and this book covers all the main methods for reducing the concentration of pesticide waste, including incineration and destruction by micro-organisms (bioremediation). It discusses new remediation methods, pesticide production and generation of pesticide waste, focusing on the prevention of spills and accidental contamination. There is also a chapter on regulation authored by two members of the US Environment Agency. This is a first class book of interest to anyone involved in the production, use and clean-up of pesticides.
Author:
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ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Bench-scale compost and radiolabeled studies were conducted at the U.S. Army Engineer Waterways Experiment Station (WES) and at the University of Minnesota to evaluate the reduction of explosives contaminated soil at Iowa Army Ammunition Plant. The goal of the study was to evaluate and to select the best combination of amendments, contaminated soils, and bulking agents to be utilized in the compost technology for remediation of explosives contaminated soils. The respirometric test was utilized as a screening tool to provide a general indication of biological activity within eight compost mixtures. The bench-scale compost reactor test was to extend the respirometric study by evaluating the applicability of the screened compost mixtures. The radiolabeled study was to provide insight into the apparent degradation of the explosive contaminant during the composting process. The respirometer results showed that cow manure and corn stalk (Mixture 3) and swine manure and corn stalk (Mixture 4) mixtures outperformed the other mixtures. Mixture 3 showed the best biodegradation rate; Mixture 4 showed the best respiration rate, while its biodegradation rate falls approximately within the middle of the eight treatments. Therefore, Mixtures 3 and 4 were advanced to the bench-scale composting test. The bench-scale composting study validated the explosive removal capacity of Mixtures 3 and 4. Mixture 3 temperature reached the mesophilic range (40 0C), while Mixture 4 temperature reached the thermophilic range (50 0C). The compost mixtures returned to ambient temperature after 10 days of composting.
Author: Sally L. Brown
Publisher: Springer Science & Business Media
ISBN: 9401150680
Category : Science
Languages : en
Pages : 423
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Book Description
Co-utilization or blending of residuals offers a unique opportunity to develop products with particular characteristics that are able to target specific customer needs. The very notion of deliberately blending by-products suggests that the recycling and beneficial reuse industries are taking a quantitative step forward towards developing products rather than simply reusing residuals. At the same time that this step provides unique opportunities, it also presents unique challenges. The science associated with the beneficial use of one product may not apply when that product is mixed with another residual. Blending of materials may alter the chemistry of the components of the mixture. This may offer additional benefits, as in the case of disease suppression in composts, or present unexpected problems, as the use of lime-stabilized biosolids has done in Maryland. This book consists of the proceedings of the Beltsville Symposium. The organizers of the Symposium attempted to structure a meeting that would outline both the potential benefits of co-utilization as well as concerns. The editors have divided the proceedings into sections that describe the practical basis for co-utilization of residuals as well as the potential benefits. Specific considerations are described. Finally, case studies include descriptions of successful operations and data that detail results of research involving co-utilization materials. Blending of materials for specific objectives needs to be the focus of any successful co-utilization effort. The scientific implications of the mix need to be determined before a product can be used properly.
Author: Marco de Bertoldi
Publisher: Springer Science & Business Media
ISBN: 9400915691
Category : Science
Languages : en
Pages : 1449
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Book Description
The European Union initially demonstrated its interest in waste in the late 70s with the progamme on Waste Recycling Research and Development. At that time composting was only present as a coordination activity and it was only later that specific research programmes in the area were within Europe which was largely instrumental in setting up a series of European conferences, seminars and work shops. Some of these have resulted in publications which have made significant contributions to developments in the understanding of composting and the use of composts. In particular the outputs from meetings in Oxford ( 1984), Udine (1986), Neresheim ( 1988) and Angers ( 1991) are worthy of note. Composting has seen significant changes since the 70s when the major thrust in Europe was using mixed municipal solid waste as a feed material. Many com posting plants which were built to use this material were closed due to the poor quality of the compost which made it very difficult to market. As a result the main areas of interest, as far as the municipa1ities are concemed, are now with biowaste and source-separated organics. This interest is apparent from the many new plants which are being constructed across Europe, and the ready market which exists for the products. In parallel with the renewed interest of the municipalities other areas, such as agriculture and the wastewater treatment industries, are also developing their own schemes.
