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Process and apparatus for controlling aeration during nitrification and denitrification of water
US8956540B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8956540-B2 |
| Application number | US-201113577384-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 23, 2011 |
| Priority date | Dec 24, 2010 |
| Publication date | Feb 17, 2015 |
| Grant date | Feb 17, 2015 |
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Abstract
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A process for treating water that includes ammonium. The water is directed to a biological reactor and the quantity of nitrates formed in the reactor and the quantity of ammonium reduced in the reactor is determined. A ratio of the quantity of nitrates formed to the quantity of ammonium reduced is determined. Further, the percentage of ammonium reduced is also determined. The water in the biological reactor is aerated by injecting oxygen into the reactor where the amount of oxygen injected is a function of the ratio and the percentage of ammonium reduced in the reactor.
First claim
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The invention claimed is: 1. A process for treating water comprising ammonium within a biological reactor, the process comprising supplying the biological reactor with the water; determining a quantity of nitrates formed in the reactor and a quantity of ammonium reduced in the reactor; computing a ratio between the quantity of nitrates formed in the reactor and the quantity of ammonium reduced in the reactor; determining a percentage of ammonium reduced in the reactor; aer…
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Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US8956540B2 cover?
- A process for treating water that includes ammonium. The water is directed to a biological reactor and the quantity of nitrates formed in the reactor and the quantity of ammonium reduced in the reactor is determined. A ratio of the quantity of nitrates formed to the quantity of ammonium reduced is determined. Further, the percentage of ammonium reduced is also determined. The water in the biolo…
- Who is the assignee on this patent?
- Lemaire Romain, Olivier Daniel, Veolia Water Solutions & Tech
- What technology area does this patent fall under?
- Primary CPC classification C02F3/302. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).