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摘要
隨著我國經(jīng)濟(jì)建設(shè)的發(fā)展，工業(yè)現(xiàn)代化速度的加快，人口高度集中，在選擇處理污水處理工藝時,應(yīng)考慮校園生活污水處理的特點(diǎn)：學(xué)校雖為用水大戶,但校園生活污水污染程度低,污染物成分比較單一、重金屬含量少、用水時間相對集中。
根據(jù)本設(shè)計要求處理量為1000m3/d的校園生活污水，由于進(jìn)水水質(zhì)BOD/COD=0.6，BOD/COD較大，污水的可生化性較高，因此本設(shè)計采用生化處理的方法。設(shè)計時即要求達(dá)到排放標(biāo)準(zhǔn)，又要使處理費(fèi)用、基建費(fèi)用等綜合費(fèi)用達(dá)到最小，還要是處理環(huán)境美觀。結(jié)合處理水質(zhì)、污水排放標(biāo)準(zhǔn)、處理成本、處理環(huán)境等因素，本設(shè)計采用生物接觸氧化處理工藝。生物接觸氧化法兼有活性污泥法的特點(diǎn)，容積負(fù)荷高，處理時間短，不存在污泥膨脹問題，污泥產(chǎn)量低，對水質(zhì)的適應(yīng)能力強(qiáng)。
關(guān)鍵詞：生活污水，可生化性，生物接觸氧化法
Abstract
As China's economic development, industrial modernization and the accelerating pace of the population is concentrated, in the handling of the sewage treatment process, it should consider sewage treatment campus life features : water for the schools, despite the big But campus life low level of sewage pollution, pollutants Components of a single, heavy-metal content of less, the relative concentration of water time.
According to the design requirements for the handling capacity of 1,000 m3 / d of campus life sewage, As the influent water BOD / COD = 0.6, BOD / COD larger sewage biodegradability higher Therefore the design using biological treatment methods. Design requirements that meet emission standards, so that the processing costs, the costs of infrastructure, such as minimizing the overall cost, It has to be dealt with landscaping. The combination of water quality, sewage discharge standards, the cost of processing, handling and other factors. The design of the use of biological contact oxidation process. Biological contact oxidation of both activated sludge characteristics, high-volume load, short processing time, There is no question of sludge bulking sludge low output and quality of the adaptation capability.
Keywords : sewage, biochemistry, biological contact oxidation