广东省东莞康民制药公司废水处理工程设计
63页1、北京理工大学珠海学院2020届本科生毕业设计广东东莞康民制药公司环保工程设计方案广东东莞康民制药公司废水处理方案设计广东东莞康民制药公司废水处理方案设计摘要在近几年来,在制药行业的发展过程中,制药废水的产生量增大,废水中的污染物含量高,可生化降解性较差,水质水量变化大,是难处理的工业废水之一。制药废水中的难降解有机物含量多,其中具有较强的毒性,可以通过食物链富集与积累,对人类的健康和生态环境的影响是非常严重的。所以生产过程中的废水必须经过处理后达标排放。广东东莞康民制药公司采用山梨醇二步发酵法生产维生素C,发酵类废水来源于发酵、提取、转化、精制过程。日产2000吨废水,其中废水指标有:COD=12500mg/L、BOD5=4000 mg/L 、SS=180 mg/L 、NH3-N=140 mg/L、PH=3。针对此类废水设计污水处理工艺,参考国内制药废水处理方法和经验,设计污水从格栅到调节池提升泵至水解酸化池,再进入IC反应器,A/O池脱氮和曝气池,再经过二沉池沉淀后出水。出水后的水质符合制药行业废水排放标准发酵类制药工业水污染排放标准(GB21903-2008) 新建企业水污染排放浓
2、度限值。关键词:制药废水;污水处理;发酵类制药;维生素C Design of wastewater treatment suitable technological process in Guangdong Dongguan Kangmin pharmaceutical companyAbstractAlong with development of Chinese pharmaceutical industry in the last year, the pharmaceutical industry produces so much wastewater. The wastewater that generated in pharmaceutical factory consists in a high pollution content, poor biodegradability, a large fluctuation of water character and flow. It is the mostly treated by biologic processes. Th
3、ere are many refractory organics in pharmaceutical wastewater, most of them are toxic, which can through the accumulation and enrichment of food chain and is affected badly on human health and ecological environment. Thus, the wastewater must be treated and discharged to the standard. Guangdong Dongguan Kangmin pharmaceutical company uses two-step fermentation of sorbitol to produce vitamin C. And the fermentation wastewater comes from fermentation, extraction, transformation and refining proces
4、s. The company produces 2000 tons per day, including on COD=12500mg/L、BOD5=4000 mg/L 、SS=180 mg/L 、NH3-N=140 mg/L、PH=3. In order to design a sewage disposal for this kind of wastewater, I refer to the domestic pharmaceutical wastewater treatment methods and experience. It is decided that the sewage is lifted from the grid to the regulating tank to the hydrolysis acidification tank, then enters the IC reactor, A / O tank and aeration tank, and then flows through the secondary sedimentation tank f
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