Effect of Composting on the Mineralisation of Hydrocarbons in Hydrocarbon-contaminated Soils PDF Download
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Author: P. D. Franzmann
Publisher:
ISBN:
Category : Soil remediation
Languages : en
Pages : 16
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Book Description
Author: P. D. Franzmann
Publisher:
ISBN:
Category : Soil remediation
Languages : en
Pages : 16
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Book Description
Author: Joelle Vouillamoz
Publisher:
ISBN:
Category : Compost
Languages : en
Pages :
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Book Description
Author: Bryan James DuBose
Publisher:
ISBN:
Category : Bioremediation
Languages : en
Pages : 200
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Book Description
Author: Bruce Strum
Publisher:
ISBN:
Category : Hydrocarbons
Languages : en
Pages :
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Author: John G. Critchley
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This project tested at the field scale, five on-site, non-proprietary bioremediation processes on weathered petroleum hydrocarbons from a fire fighter training area. Two bioremediation processes based on fungi (commercially produced white rot fungus, Pleurotus ostreatus, and aged, coarse wood chips, 'compost', with naturally occurring fungi) were applied with variations and compared to one control: a typical static biopile. An elevated-face compost turner was used to turn the soil in selected windrows for aeration. Statistically-based sampling was employed and quality control measures were enforced for sampling and analysis. The treatment options examined for the contaminated soil were: (1) white rot fungus and compost, (2) compost, poultry manure and turning, (3) compost, synthetic nitrogen-phosphorous-potassium fertilizer, and turning, (4) compost, the above synthetic fertilizer, and no turning, and (5) the above synthetic fertilizer, and no turning (static biopile). The compost and poultry manure process performed the best, remediating 35 tonnes of soil contaminated with 6000 mg/kg of mineral oil and grease (MOG) to the remediation criteria of 1000 mg/kg in 19 days and to less than 300 mg/kg in less than 56 days. The net rate of bioremediation was 100 mg/kg/day of MOG. The estimated cost of this process for commercial applications, excluding labour, excavation and site preparation, was $18 to $29 per tonne, depending on the cost of the poultry manure.
Author: Amy Pauline Heidman
Publisher:
ISBN:
Category : Oil pollution of soils
Languages : en
Pages : 268
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Book Description
Author: Canada. Technology Development Directorate
Publisher:
ISBN:
Category : Composting
Languages : en
Pages : 1
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Book Description
![Bioremediation of Hydrocarbon Contaminated and Compost Amended Soil [microform]: Effects on Microbial Communities in the Field PDF](https://books.google.com/books/content/images/frontcover/udO8SgAACAAJ?fife=w80-h100)
Author: Heidman, Amy Pauline
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
ISBN:
Category : Oil pollution of soils
Languages : en
Pages : 268
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Biodegradation
Languages : en
Pages : 342
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Book Description
Hydrocarbons in soil may assert acute or chronic impacts to plants, animals and microbial processes if contacted. These have raised political and scientific concerns. Consequential research efforts corroborated that constitutive microorganisms contact the compounds for their metabolic activities. This may result in mineralisation, transformation and/or detoxification (biodegradation) of the compounds. Hydrocarbon biodegradation is relatively cost-effective and ecological, but often marred with limited availability to plant or animal cells (bioavailability) for metabolism. Several authors reported that growth of some plants or administration of requisite rootexudates into soil with hydrocarbons often increases hydrocarbon bioavailability for enhanced biodegradation. However, development of knowledge about this respite from plants is often founded on impacts of plants on single dose or selected mixture of hydrocarbons in soils or culture solutions. These do not; and cannot represent the heterogeneous complex mixture of numerous organic and inorganic compounds in soils where plants grow naturally. In this study, synthetic root-exudates, seedlings of lupin and ryegrass were applied separately into respective soils that were contaminated with aged and/or fresh petroleum hydrocarbons. Individual impacts of the treatments on bulk hydrocarbon concentrations, rate of microbial respiration and total numbers of culturable bacterial colonies in the soils were investigated. Results suggested that application of lupin, ryegrass or synthetic root-exudates into the soils significantly (p ≤ 0.05) induced reduction or upsurge of hydrocarbon biodegradation end-points relative to the type and concentration of hydrocarbons in soil. Thus, it is inferred that growth of plants or administration of root-exudates into hydrocarbon contaminated soils could result in enhanced biodegradation of hydrocarbons in soil.
