Swine wastewater treatment by a batch-mode 4-stage process: loading rate control using ORP
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| Title: | Swine wastewater treatment by a batch-mode 4-stage process: loading rate control using ORP |
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| Authors: | Lo, K. V., Mavinic, D. S., Ra, C. S. |
| Source: | Environmental Technology. Jun1997, Vol. 18 Issue 6, p615. 0p. |
| Subject Terms: | *Animal waste, *Wastewater treatment |
| Abstract: | A bench-scale, four-stage process operated in a batch-mode (FBM) wasstudied for the treatment of swine manure. The objectives of the study were two-fold: first, to evaluate the effectiveness of the FBM process in the treatment of swine manure; and second, to study the potential of using ORP for the control of organic and nitrogen loading, Two SRT periods were assessed with all other operational conditions kept constant. Phase I of the study (FBMa) had a system SRT of about 17 days, including a 3.5 day SRT in the aerobic reactor. Phase II (FBMb)had a 47 day system SRT, with a 22.7 day SRT in the aerobic reactor,The average concentrations of COD, NH4-N and TKN of the swine waste influent used for this research were 5,085, 1,254 and 2,018 mg L-1 in the FBMa operation, and 3,878, 1,142 and 1,896mg L-1 in the FBMb operation, respectively. Under FBMa operating conditions, removal efficiencies for BOD, COD, ammonia-N and TKN were 92%, 83.1%, 85.3% and 82.1%, respectively, while 85%, 58.3%,86.0% and 76.5%, respectively, were also obtained under FBMb conditions. A high rate of denitrification was achieved in Phase II, with the nitrate concentrations dropping from 508 mg L-1 in the aerobic reactor to less than 2 mg L-1 in the final effluent. ORP tracking identified a significant correlation between the ammonia-N loading and the ORP value. In particular, the trend of ORP values in the aerobic reactor appeared to be directly related to the ammonia-N concentration after loading. This suggests that ORP may be successfully utilized to control this swine manure treatment system. [ABSTRACT FROM AUTHOR] |
| Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | GreenFILE |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: 8gh DbLabel: GreenFILE An: 8212833 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Swine wastewater treatment by a batch-mode 4-stage process: loading rate control using ORP – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Lo%2C+K%2E+V%2E%22">Lo, K. V.</searchLink><br /><searchLink fieldCode="AR" term="%22Mavinic%2C+D%2E+S%2E%22">Mavinic, D. S.</searchLink><br /><searchLink fieldCode="AR" term="%22Ra%2C+C%2E+S%2E%22">Ra, C. S.</searchLink> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Environmental+Technology%22">Environmental Technology</searchLink>. Jun1997, Vol. 18 Issue 6, p615. 0p. – Name: Subject Label: Subject Terms Group: Su Data: *<searchLink fieldCode="DE" term="%22Animal+waste%22">Animal waste</searchLink><br />*<searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: A bench-scale, four-stage process operated in a batch-mode (FBM) wasstudied for the treatment of swine manure. The objectives of the study were two-fold: first, to evaluate the effectiveness of the FBM process in the treatment of swine manure; and second, to study the potential of using ORP for the control of organic and nitrogen loading, Two SRT periods were assessed with all other operational conditions kept constant. Phase I of the study (FBMa) had a system SRT of about 17 days, including a 3.5 day SRT in the aerobic reactor. Phase II (FBMb)had a 47 day system SRT, with a 22.7 day SRT in the aerobic reactor,The average concentrations of COD, NH4-N and TKN of the swine waste influent used for this research were 5,085, 1,254 and 2,018 mg L-1 in the FBMa operation, and 3,878, 1,142 and 1,896mg L-1 in the FBMb operation, respectively. Under FBMa operating conditions, removal efficiencies for BOD, COD, ammonia-N and TKN were 92%, 83.1%, 85.3% and 82.1%, respectively, while 85%, 58.3%,86.0% and 76.5%, respectively, were also obtained under FBMb conditions. A high rate of denitrification was achieved in Phase II, with the nitrate concentrations dropping from 508 mg L-1 in the aerobic reactor to less than 2 mg L-1 in the final effluent. ORP tracking identified a significant correlation between the ammonia-N loading and the ORP value. In particular, the trend of ORP values in the aerobic reactor appeared to be directly related to the ammonia-N concentration after loading. This suggests that ORP may be successfully utilized to control this swine manure treatment system. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 0 StartPage: 615 Subjects: – SubjectFull: Animal waste Type: general – SubjectFull: Wastewater treatment Type: general Titles: – TitleFull: Swine wastewater treatment by a batch-mode 4-stage process: loading rate control using ORP Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Lo, K. V. – PersonEntity: Name: NameFull: Mavinic, D. S. – PersonEntity: Name: NameFull: Ra, C. S. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Text: Jun1997 Type: published Y: 1997 Identifiers: – Type: issn-print Value: 09593330 Numbering: – Type: volume Value: 18 – Type: issue Value: 6 Titles: – TitleFull: Environmental Technology Type: main |
| ResultId | 1 |
