Veolia水务技术与方案

客户使用移动MBR满足新的排放法规

挑战

Life sciences and animal health is a wide-ranging industry. Anti-bacterials, anticoccidials, and vaccines play an important role in ensuring healthy livestock, which supports human health. Simultaneously, parasiticides, vaccines, and therapeutics play a key role in ensuring long, healthy lives for our pets. A Veolia customer is in the business of improving animal health and making food safer by preventing and controlling disease. Their solutions require pharmaceutical grade water to manufacture, which means they must also meet strict pharmaceutical manufacturing effluent guidelines set by the U.S. EPA. Facing a challenge in the long term ability to comply with the effluent regulations the customer contacted Veolia | Water Tech. They had previously worked with Veolia so chose to continue the relationship to secure the readily deployable membrane bioreactor (MBR) solution.

解决方案

由于在短时间内需要该系统,Veolia利用了位于弗吉尼亚州诺福克服务中心的移动水车队(图1 )。Veolia的移动MBR膜为客户提供完全集成的废水处理系统,该系统将生物过程和ZeeWeed * 500超滤(UF)膜结合到紧凑、易于操作的装置中,旨在处理各种应用的废水。 ZeeWeed膜是一种增强的中空纤维,可直接浸入废水中。薄膜利用温和的吸力将渗透物吸进纤维中,并充当物理屏障,防止悬浮固体进入流出物中。这种膜非常经济高效,因为与传统废水系统相比需要的能源和化学品更少。MBR系统配备了热跟踪线,以防止任何工艺线的冻结。系统坚固耐用,适用于各种原水水质和悬浮固体含量极高的情况。

经过服务中心团队的努力,处理能力达80,000加仑/天或gpd(303米3/天)的移动式MBR被部署至客户的场地。Veolia提供的设计方案以处理进水水质为基础,包括300 mg/L COD、140 mg/L TSS和高达25 mg/L的TKN,该方案启动后能够提供以下最终出水水质参数:BOD5 <5,TSS (mg/L) <5和浊度 (NTU) <5,可用性达95%。

结果

安装到客户站点的移动MBR膜已集成到现有基础架构中,并且在安装后不到30天即可运行。该系统已设置为从客户的污水池进行给水。经过最少的采样后,移动式MBR被批准开始排放MBR渗透物,其所有参数均在要求的规格范围内。经处理过的水被排放至局部水源的支流。

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