【作者】 陈菁；

【导师】 樊华； 乐海龙；

【作者基本信息】 南昌大学 ， 环境工程， 2010， 硕士

【摘要】 随着经济的发展,人们的生活水平越来越高,对肉类的需求量也在逐年增大,从而生猪出栏量也在逐年增加。生猪养殖过程中产生的污染物也在逐年增多。随着养殖企业规模的不断扩大,传统的还田模式和废水的自然处理模式已经不能适应规模化猪场废水处理的需要,高效的工业化处理模式应运而生。本文以IC+生物接触氧化+兼性塘工艺为研究对象,对猪场废水进行综合处理,研究表明：(1)采用IC+生物接触氧化+兼性塘工艺处理猪场生产废水,工程调试时间约90天,正常运行后出水可以达到《畜禽养殖业污染物排放标准》(GB18596-2001)的水质要求；(2)IC反应器经过3个月的调试,反应器的容积负荷达到设计水平,反应器内形成大量颗粒直径为2-4mmm的颗粒污泥,污泥沉降性能非常好,降解有机物的能力较强,出水CODcr维持在600-800mg/L,CODcr,去除率达到70%,反应器具备一定的抗冲击能力；(3)生物接触氧化池经过6次提高进水量后反应器达到满负荷运行,CODcr去除率达到70%左右,经过约2个月时间可以启动成功并具备一定的抗冲击负荷的能力；(4)采用200%废水回流,并在好氧池内添加20%的原水的方案能有效的解决养殖废水处理过程中氨氮去除率低,厌氧消化液可生化性差,C：N：P比例失调导致的后续好氧处理效率低,需要添加大量碱来维持系统pH的问题；(5)在水温较高(高于15℃)时,生物氧化塘内的藻类等植物对废水中的NH3-N和TP有较强利用能力,氧化塘对NH3-N的平均去除率为40%,对TP的平均去除率可达82.6%,出水水质可以达到排放标准。(6)采用该工艺处理年出栏量10000头生猪的生产废水,工程投资123.35万元,按照废水处理量110 m3/d计算,折合单位废水处理运行费为1.47元/m3。更多还原

【Abstract】 With the development of economy, people’s living standard is higher and higher, the demand for meat increases year by year, thus the amount of pig slaughter is also increasing year by year. Pig-producing produces in the process of pollutant is also in increased annually. With the constant expansion of cultivation enterprise, the traditional counters-field mode and wastewater treatment mode with through the natural can adapt to the needs of large pig farm wastewater treatment, efficient industrialization processing model comes into being.In this paper, IC+BCO+Facultative pond craft for the study, a comprehensive treatment of swine wastewater, and the research showed that:(I)With IC+BCO+Facultative pond craft processing swine wastewater, engineering commissioning time was about 90 days, after normal operation had achieved the water livestock farming systems standards for pollutants discharge "(GB18596-2001) of water quality requirements;(II) IC reactor after 3 months of commissioning, the reactor volume load reached the design level, within reactor form massive particles diameter for 2-4mm of granular sludge, the sludge sedimentation performance was very good, strong ability of organic matter degradation and the effluent CODcr maintained at 600-800mg/L,and removal rate reached 70%, reactor had certain impact resistant ability;(III) Biological contact oxidation pond into the water after 6 times increase after the reactor was operating at full capacity, CODcr removal rate of 70%, after about 2 months to start a successful and had a certain ability to resist impact load;(IV) Return of 200% wastewater and aerobic pool of water with 20% of the original program could effectively solve the breeding process of nitrogen removal wastewater treatment low rate, anaerobic digestion poor biodegradability, C:N:P imbalance caused by low efficiency of aerobic treatment follow-up, needed to add a large number of alkali to maintain the system pH problems;(V) The water temperature is high (higher than 15℃), the bio-oxidation pond algae and other plants within the wastewater in the NH3-N and TP had a strong capacity utilization, oxidation pond on the average NH3-N removal rate was 40%, and The average removal rate of TP was 82.6%, and the effluent quality could meet the discharge standards;(VI)The process was handled by the slaughter of 10,000 pigs in the production of wastewater,1.2335 million yuan investment project, in accordance with the waste water treatment capacity 110m3/d basis, equivalent to running costs for the wastewater treatment unit of 1.47yuan/m3.更多还原