| 摘要 |
<p>PURPOSE: A reactor for purifying waste water is divided into several sections. The device must be provided before pre-treatment system to decrease the loading. CONSTITUTION: Inside of the device is divided into several sections - scum separation part, changeable aeration control part. contact aeration part, preparatory aeration part, and last settling part. The scum separation part separates only large material, and the changeable aeration control part controls the flow and purifies the organic materials. An oxidation membrane separation part separates settled organic matter, and a preparatory aeration part removes nitrogen and phosphate. The last settling part makes suspended material settled. All the parts has a specific function and diversity, so treated water will be stable in environmental aspects.</p> |
