高效藻类塘处理农村面源污水的试验研究
doi: 10.13205/j.hjgc.201501016
RESEARCH ON NEW TECHNOLOGY INTERGRATION OF SWINE MANURE TREATMENT IN LARGE-SCALE SWINE FARM
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摘要: 目前我国农村生活污水排放量不断增加,但处理情况却不容乐观,96%的村庄未建设排水渠道和污水处理系统,造成了农村环境的严重污染。以模拟农村面源生活污水(简称污水)为研究对象,利用高效藻类塘小试装置对污水处理的最佳工艺条件、影响因素及处理机理开展了系统的试验研究。研究结果表明:在确定藻类最佳培养基的基础上,藻类塘脱氮除磷的最佳条件为全曝气、温度为24~35℃、光照强度为4 000 Lux、p H为7.5,藻类浓度为8×105个/m L,此时藻类塘对污水中NH+4-N去除率高达95%以上,TP去除率达60%以上,COD去除率高达90%以上。Abstract: According to the concept of sustainable development,and based on the principle of maximizing the utilization of resources,through technology integration and devices innovation,a comprehensive route has been put foreword to control sewage pollution on swine farm,including the solid-liquid tank,the upflow sequencing biogas digester,the solid-liquid separator,combining with the automatic control system of large-scale biogas project. The model was applied to Xinxing Pigs Breeding Co. ,Ltd. of Fujian Province, and the results showed that: the reusing of manure resources could be come true,and the environmental pollution had been avoided. The comprehensive route was expected to establish a ecological technology model for sewage pollution controlling of large-scale swine farms.
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Key words:
- scaled swine farm /
- upflow sequencing biogas digester /
- automatic control
期刊类型引用(7)
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