Ballasted sequencing batch reactor system and method for treating wastewater

a batch reactor and sequencing technology, applied in the direction of filtration separation, other chemical processes, separation processes, etc., can solve the problems of limiting the capacity of a conventional sbr system, slow settle, and unreliable solid separation in the settle phas

Inactive Publication Date: 2010-08-26
SIEMENS IND INC
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  • Abstract
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  • Claims
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Benefits of technology

The invention is a system for treating wastewater using a series of reactors. The system includes a subsystem for mixing biological flocs with a weighting agent to create weighted biological flocs. Another subsystem is used to recover the weighting agent from the weighted flocs and reintroduce it back into the system. The technical effect of this invention is an improved method for treating wastewater that allows for more efficient and effective treatment using a combination of biological and chemical processes.

Problems solved by technology

The technical problem addressed in this patent text is the slow settling of biological flocs and the unreliable solids separation in a typical conventional SBR system, which can limit the system's capacity and compromise the quality of the treated effluent.

Method used

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  • Ballasted sequencing batch reactor system and method for treating wastewater
  • Ballasted sequencing batch reactor system and method for treating wastewater
  • Ballasted sequencing batch reactor system and method for treating wastewater

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Embodiment Construction

[0019]Aside from the preferred embodiment or embodiments disclosed below, this invention is capable of other embodiments and of being practiced or being carried out in various ways. Thus, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. If only one embodiment is described herein, the claims hereof are not to be limited to that embodiment. Moreover, the claims hereof are not to be read restrictively unless there is clear and convincing evidence manifesting a certain exclusion, restriction, or disclaimer.

[0020]There is shown in FIG. 1, one embodiment of SBR system 10 for treating wastewater of this invention. System 10 includes at least one SBR 12 which receives a flow of influent wastewater 14 by line 16. SBR 12 preferably introduces air bubbles 18 by line 20 exposed to ambient air 22. Air bubbles 18 introduce dissolved ox...

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Abstract

A ballasted sequencing batch reactor system for treating wastewater including one or more sequencing batch reactors. A weighting agent impregnation subsystem is configured to mix biological flocs and weighting agent to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover weighting agent from the weighted biological flocs and reintroduce the recovered weighting agent to the weighting agent impregnation subsystem.

Description

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Claims

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Application Information

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Owner SIEMENS IND INC
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