The Research And Application Of The Sewage Treatment And The Recycling Of Reclaimed Waterin Colleges

The school life-water quantity rapid growth,these are used in time after water discharge off, Sewage is very big, Caused great water waste because flush the toilet, landscaping, JiaoSa pavement, car wash etc, all use of water mixed with water. Colleges hasn't the sewage treatment using itself again after use.According to present situation of campus life sewage water and miscellaneous requirements, taking xian translation college wastewater treatment engineering, as case study. The sewage treatment plant design processing 5000m3/d, water water processing power for 1000m3/d. First we had water water quality analysis, of three kinds of wastewater treatment process comparison, the final determination in the Lord craft adopt CASS process+ hydrocyclone water clarification + gravity cannot handle process. Filters completed the sewage treatment production structure (built) build things technological design and selection of equipment. For sewage system operation commissioning are analyzed,according to the particularity of college sewage water on CASS technology and process commissioning and problems instructions and proposed solutions. Last of the sewage plant efficiency analysis, Based on the translation college sewage treatment plant in xian university study shows that in wastewater treatment and water system promotion is feasible, and has certain economic benefits and social benefit and environmental benefits.Sewage treatment plant, the test and operation of nearly one year period,sewage BOD5, CODcr, ammonia nitrogen and TP water treatment effect, and the test effluent turbidity. The result completely accord with《Integrated wastewater discharge standard GB8978-96》and《Non-potable water quality standards GJ25.1-89》proof sewage plant testing results and process performance, so that the system is feasible and stable, achieve the expected effect of the design.