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Environmental issues in organics rec...

Kannepalli, Sarat.

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Environmental issues in organics recycling: Reed bed biosolids reuse and leachate from wood mulch stockpiles.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Environmental issues in organics recycling: Reed bed biosolids reuse and leachate from wood mulch stockpiles./
作者:	Kannepalli, Sarat.
面頁冊數:	184 p.
附註:	Source: Dissertation Abstracts International, Volume: 76-01(E), Section: B.
Contained By:	Dissertation Abstracts International76-01B(E).
標題:	Environmental science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3641805
ISBN:	9781321283075

Environmental issues in organics recycling: Reed bed biosolids reuse and leachate from wood mulch stockpiles.
Kannepalli, Sarat.

Environmental issues in organics recycling: Reed bed biosolids reuse and leachate from wood mulch stockpiles. - 184 p.

Source: Dissertation Abstracts International, Volume: 76-01(E), Section: B.

Thesis (Ph.D.)--Rutgers The State University of New Jersey - New Brunswick, 2014.

This item must not be sold to any third party vendors.

Despite numerous economical and environmental benefits associated with recycling, improper recycling practices can have an adverse impact. In the first part of this dissertation, reuse of reed bed biosolids containing Phragmites australis (common reed), considered an invasive species, was explored. It was hypothesized that the high temperatures achieved during composting could destroy the plant rhizomes as well as pathogenic microorganisms, making the biosolids eligible for USEPA Class A status for unrestricted land application. However, prior anaerobic digestion followed by stabilization of reed bed material occurring over 10 years deprived the material of enough available carbon for composting to occur spontaneously. Several inexpensive and easily available organic materials were tested in the laboratory for their ability to stimulate composting of the reed bed biosolids. Phragmites above ground biomass, available abundantly on site, was determined to be a suitable amendment. When tested at 1:2 ratio (dry weight basis) Phragmites above ground biomass to biosolids in the field, although they were effective in killing the rhizomes, high composting temperatures did not last long enough for the product to achieve Class A status.

ISBN: 9781321283075Subjects--Topical Terms:

677245
Environmental science.

Environmental issues in organics recycling: Reed bed biosolids reuse and leachate from wood mulch stockpiles.
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520 $a Despite numerous economical and environmental benefits associated with recycling, improper recycling practices can have an adverse impact. In the first part of this dissertation, reuse of reed bed biosolids containing Phragmites australis (common reed), considered an invasive species, was explored. It was hypothesized that the high temperatures achieved during composting could destroy the plant rhizomes as well as pathogenic microorganisms, making the biosolids eligible for USEPA Class A status for unrestricted land application. However, prior anaerobic digestion followed by stabilization of reed bed material occurring over 10 years deprived the material of enough available carbon for composting to occur spontaneously. Several inexpensive and easily available organic materials were tested in the laboratory for their ability to stimulate composting of the reed bed biosolids. Phragmites above ground biomass, available abundantly on site, was determined to be a suitable amendment. When tested at 1:2 ratio (dry weight basis) Phragmites above ground biomass to biosolids in the field, although they were effective in killing the rhizomes, high composting temperatures did not last long enough for the product to achieve Class A status.
520 $a In the second part of this work, water quality issues associated with the wood recycling industry in New Jersey were studied. Leachate and runoff samples from 3 different wood recycling facilities were tested for wastewater parameters over a 15 month period. The concentration ranges were highly variable, but often similar to raw sewage values. However, since this was an uncontrolled study in terms of drainage area, precipitation, and wood mulch volume, no definite conclusions could be drawn.
520 $a To account for these limitations a controlled study determining leachate concentrations and volumes from definite sized wood mulch stockpiles was carried out over a 2 year period. Correlations were found for loads but not concentrations for several parameters with rain volume and intensity, but not usually with age of the piles. Using these relationships simple equations predicting pollutant and nutrient loads were developed. Dose-response studies done on the leachate samples using zebrafish embryos showed little toxicity. Polynuclear aromatic hydrocarbons and pentachlorophenol concentrations were below detection limits, and Cu, Cr, As, Pb, and Zn concentrations were likewise low.
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