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2021-09-11
关于生物除臭技术在石油化工废水的工程应用
今天羿清环保将和你谈谈关于生物除臭技术在石油化工废水的工程应用,希望对你的日常环保设备系统设计有所帮助。
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关于生物除臭技术在石油化工废水的工程应用
Date﹕2021-09-11|Source:Eclear Environmental

石油化工生物除臭系统

今天羿清环保将和你谈谈关于生物除臭技术在石油化工废水的工程应用,希望对你的日常环保设备系统设计有所帮助。

废水来源于石化工业废水,臭气浓度高,臭气中含有石化企业的最终产物/中间产物和原料挥发物,这些气体难以分解或难以分解。为达到较好的除臭效果,本工程在石油化工废水处理前端(进水四联体、预处理三联体和A/O生物反应池)增设了一套生物除臭系统,并将洗涤段作为生物除臭的预处理措施,将洗涤段作为生物除臭塔的一部分,与生物除臭装置相结合。为确保臭气达标,在生物除臭之后设置化学除臭工艺作为保障工艺。化学除臭的主要作用是去除废水中挥发的有机脂肪酸、脂肪烃、芳烃、各种醇、酮、醚等难以生化的挥发性化学成分。针对各种复杂的化学成分,化学除臭选用两级处理,即“酸洗+碱洗/氧化”的串联工艺,以确保能全面的去除碱性/酸性和中性的臭气成分。化学除臭的主要作用是去除废水中挥发的有机脂肪酸、脂肪烃、芳烃、各种醇、酮、醚等难以生化的挥发性化学成分。臭气处理系统主要由洗涤单元、生物除臭塔、除臭风扇、化学除臭塔、喷淋散水供应系统等组成。

在石油化工废水处理的后端生物流化池和泥浆处理区域,由于气味浓度低,采用单一的生物除臭技术,通过气味收集系统将气味通过填料生物降解,去除气味成分,净化后直接排放到大气中。臭气处理系统主要由除臭风扇、生物除臭塔、喷淋散水供应系统等组成。

生物除臭装置主要由离心风机、散水泵、塔体和碳生物介质填料组成。塔体主要由有机玻璃钢材质制作而成,塔内分三部分,顶部为散水区,中部为填料层,底部为布气层。微生物的接种采用污水处理厂的活性污泥驯化而成。运转时采用气液逆流操作,淋浴水由散水泵从底部输送到塔顶部淋浴。收集的气味从底部进入除臭塔,通过填料层时,与填料的接触时间>12s,与附着在填料表面的微生物接触进行净化,净化后的气体从塔顶的排气口直接排放到大气中。因为工程采用污水厂中水,无需添加营养液。

以上就是羿清环保关于生物除臭技术在石油化工废水处理厂废气处理工程中的应用,希望对你的日常环保设备系统设计有所帮助。

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