Persistent Link:
http://hdl.handle.net/10150/193373
Title:
Solar Drying to Reduce Pathogens In Biosolids In Arid Regions
Author:
Grabau, Matthew
Issue Date:
2005
Publisher:
The University of Arizona.
Rights:
Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
Abstract:
Utilization of landfilling and ocean dumping for biosolids disposal is declining due to environmental and monetary concerns. Biosolids are suitable for use as a soil amendment for various crops and native vegetation. Therefore, it may be beneficial to integrate soil into cultivated soil or mine tailings. However, biosolids from wastewater treatment plants inherently contain elevated numbers of pathogenic microorganisms. Therefore, the efficacy of cost-effective methods to reduce pathogens to accepted levels was evaluated in solar drying beds in La Paz County, Arizona. The research demonstrated that biosolids could be effectively treated during warm, dry periods, as biosolids were converted from Class B to Class A microbial quality within two weeks during the summer of 2004. However, alternatives must be utilized for rainy, cold seasons. Also, public opinion and outreach cannot be ignored as important factors to consider in the future of biosolids treatment and reuse.
Type:
text; Electronic Thesis
Degree Name:
MS
Degree Level:
masters
Degree Program:
Agricultural & Biosystems Engineering; Graduate College
Degree Grantor:
University of Arizona
Advisor:
Choi, Christopher Y.
Committee Chair:
Choi, Christopher Y.

Full metadata record

DC FieldValue Language
dc.language.isoENen_US
dc.titleSolar Drying to Reduce Pathogens In Biosolids In Arid Regionsen_US
dc.creatorGrabau, Matthewen_US
dc.contributor.authorGrabau, Matthewen_US
dc.date.issued2005en_US
dc.publisherThe University of Arizona.en_US
dc.rightsCopyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.en_US
dc.description.abstractUtilization of landfilling and ocean dumping for biosolids disposal is declining due to environmental and monetary concerns. Biosolids are suitable for use as a soil amendment for various crops and native vegetation. Therefore, it may be beneficial to integrate soil into cultivated soil or mine tailings. However, biosolids from wastewater treatment plants inherently contain elevated numbers of pathogenic microorganisms. Therefore, the efficacy of cost-effective methods to reduce pathogens to accepted levels was evaluated in solar drying beds in La Paz County, Arizona. The research demonstrated that biosolids could be effectively treated during warm, dry periods, as biosolids were converted from Class B to Class A microbial quality within two weeks during the summer of 2004. However, alternatives must be utilized for rainy, cold seasons. Also, public opinion and outreach cannot be ignored as important factors to consider in the future of biosolids treatment and reuse.en_US
dc.typetexten_US
dc.typeElectronic Thesisen_US
thesis.degree.nameMSen_US
thesis.degree.levelmastersen_US
thesis.degree.disciplineAgricultural & Biosystems Engineeringen_US
thesis.degree.disciplineGraduate Collegeen_US
thesis.degree.grantorUniversity of Arizonaen_US
dc.contributor.advisorChoi, Christopher Y.en_US
dc.contributor.chairChoi, Christopher Y.en_US
dc.identifier.proquest1341en_US
dc.identifier.oclc137355131en_US
All Items in UA Campus Repository are protected by copyright, with all rights reserved, unless otherwise indicated.