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Full Steam Ahead : Purdue Mechanical Engineering Yesterday, Today and Tomorrow.
This research attempts to evaluate nitrification treatment performance in combined carbon/nitrogen municipal wastewater reactors using traditional physical/chemical methods and modern molecular techniques. Bench scale activated sludge reactors were operated at different SRTs under varying DO levels...
| Clasificación: | Libro Electrónico |
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| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[Place of publication not identified] :
Purdue University Press,
2014.
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| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 245 | 0 | 0 | |a Full Steam Ahead : |b Purdue Mechanical Engineering Yesterday, Today and Tomorrow. |
| 264 | 1 | |a [Place of publication not identified] : |b Purdue University Press, |c 2014. | |
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| 520 | |a This research attempts to evaluate nitrification treatment performance in combined carbon/nitrogen municipal wastewater reactors using traditional physical/chemical methods and modern molecular techniques. Bench scale activated sludge reactors were operated at different SRTs under varying DO levels and temperatures over a 21-month period. Real-time PCR assays were used to determine cell concentrations of total bacterial 16S rDNA, a gross measure of biomass content, the amoA gene, a measure of ammonia-oxidizing bacteria (AOB), and the Nitrospira 16S rDNA gene, a measure of nitrite-oxidizing bacteria (NOB). As expected, gravimetric biomass and total bacterial 16S rDNA levels increased with increasing SRT. Ammonia oxidation rates and N. oligotropha-type AOB concentrations did not follow similar trends with respect to changes in SRT, temperature, and DO nor were they highly correlated. The concentration of available nitrite and SRT were positively correlated with Nitrospira cell densities, while DO concentration and temperature were negatively correlated with NOB levels. The percentage of the total population comprised of AOB and NOB obtained with the real-time PCR assays were compared to predicted values estimated from design equations using typical kinetic parameters. While the percentages of NOB measured using the real-time PCR assay corresponded very well with the predicted values, the measured percentages of AOB were much lower than those estimated from the design equations, suggesting that N. oligotropha-type AOB were not the dominant ammonia-oxidizing species in these reactors. | ||
| 505 | 0 | |a Cover; Title; Copyright; Contents; The Gatewood Wing; Namesake of the Gatewood Wing; The Hollander Atrium; The Caterpillar Foundation PEARL; The Perrella Labs; Mechanical Engineering History; The Beginning; Morrill Land Grant Act; Early Resistance to the University; The First Purdue Presidents; The Engineer's President; The Powerhouse and the Magic; Dawn of the 20th Century; ME Traditions; Steam Engineering and the Thermosciences; World War II and Its Impact; Postwar Period; A Legacy of Strong Leadership; Achievements during the Early 21st Century; Making an Impact; Research Trends. | |
| 505 | 8 | |a Renaissance EngineersME's Special Stories; Michael Golden; Heavilon Hall; Locomotives; Automobiles; Aviation; David Crosthwait Jr.; Maurice J. Zucrow Laboratories; Changin' Times; Ray W. Herrick Laboratories; Astronauts; SAE; Bioengineering; NSBE; Mallot Innovation Awards; Our People; References and Acknowledgements. | |
| 590 | |a JSTOR |b Books at JSTOR Demand Driven Acquisitions (DDA) | ||
| 590 | |a ProQuest Ebook Central |b Ebook Central Academic Complete | ||
| 610 | 2 | 0 | |a Purdue University. |b School of Mechanical Engineering |x History. |
| 610 | 2 | 0 | |a Purdue University |x Research. |
| 610 | 2 | 7 | |a Purdue University |2 fast |
| 610 | 2 | 7 | |a Purdue University. |b School of Mechanical Engineering |2 fast |
| 650 | 0 | |a Mechanical engineering |x Study and teaching |z Indiana |z West Lafayette |x History. | |
| 650 | 0 | |a Mechanical engineering |x Research |z Indiana |z West Lafayette. | |
| 650 | 6 | |a Génie mécanique |x Étude et enseignement |z Indiana |z West Lafayette |x Histoire. | |
| 650 | 6 | |a Génie mécanique |x Recherche |z Indiana |z West Lafayette. | |
| 650 | 7 | |a FAMILY & RELATIONSHIPS |x Parenting |x General. |2 bisacsh | |
| 650 | 7 | |a TECHNOLOGY & ENGINEERING / Mechanical |2 bisacsh | |
| 650 | 7 | |a Mechanical engineering |x Research |2 fast | |
| 650 | 7 | |a Mechanical engineering |x Study and teaching |2 fast | |
| 650 | 7 | |a Research |2 fast | |
| 651 | 7 | |a Indiana |z West Lafayette |2 fast |1 https://id.oclc.org/worldcat/entity/E39PBJyrXyQdRY7kYhj3pTXWXd | |
| 655 | 7 | |a History |2 fast | |
| 700 | 1 | |a Norberg, John, |e editor. | |
| 758 | |i has work: |a Full steam ahead (Text) |1 https://id.oclc.org/worldcat/entity/E39PCG9RJKWd7QmjPGQqkdFkDq |4 https://id.oclc.org/worldcat/ontology/hasWork | ||
| 776 | 0 | 8 | |i Print version: |n Druck-Ausgabe |a Full steam ahead . |t Purdue mechanical engineering yesterday, today and tomorrow |
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