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首页> 外文会议>Annual Water Environment Federation technical exhibition and conference >Full scale wastewater recovery and reuse projects in several of PepsiCo food manufacturing facilities in Mexico, utilizing state of the art technologies that include Membrane Bioreactor and Reverse Osmosis.
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Full scale wastewater recovery and reuse projects in several of PepsiCo food manufacturing facilities in Mexico, utilizing state of the art technologies that include Membrane Bioreactor and Reverse Osmosis.

机译：利用包括膜生物反应器和反渗透在内的最先进技术，在墨西哥的几家百事可乐食品生产工厂进行大规模废水回收和再利用项目。

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Water scarcity is becoming a global concern as population grows and urban sprawls expand. High water risk areas are also becoming a serious limiting factor for industrial growth as facilities require water for their production process and utilities, like boilers, cooling towers, etc. PepsiCo has a global "Net Zero" environmental sustainable approach toward its management of water, energy and solid waste. This approach was implemented in their Frito-Lay Production Plants in Mexico (PepsiCo Alimentos Mexico / Sabritas) that carry brands, such as Lay's, Cheetos, Fritos, Doritos and Ruffles as part of the PepsiCo Performance with Purpose Strategy. The company has fifteen food manufacturing facilities in Mexico and decided to implement wastewater recovery and reuse projects in eight of their main plants to achieve a water reuse goal of 50-70%. PepsiCo Alimentos Mexico chose to upgrade existing conventional wastewater treatment plants with Membrane Bioreactor (MBR) technology which combines secondary and tertiary treatment in one step. At the core of the MBR is an ultrafiltration membrane that provides an absolute barrier for suspended solids, so MBR becomes a perfect pre-treatment for reverse Osmosis (RO) to provide high quality treated wastewater for reuse applications. In 2010 and 2011 PepsiCo Alimentos Mexico implemented the upgrade of the following WWTP: Sabritas Vallejo Mexico City, original flow of 317,000 gpd (1,200 m3/d) and currently expanding to 554,800 gpd (2,100 m3/d); Sabritas Guadalajara, Jalisco original flow 356,600 gpd (1,350 m3/d) and currently expanding to 383,000 gpd (1,450 m3/d), and Sabritas Saltillo, Coahuila, 475,500 gpd (1,800 m3/d) with future expansion to 581,180 gpd (2,200 m3/d). This paper will present key information related to the MBR system design, start-up and operation, giving special attention to design recommendations to be able to achieve consistent wastewater quality for the purpose of reuse. The procedures to achieve a successful start-up will be discussed and the performance data (biological and membrane performance) for the first 7 years of operation. The reuse of water (up to 77%) has helped these three facilities achieve and surpass their targets, decrease demand of city water, and reduce sewer surcharges.
机译：随着人口的增长和城市扩张的扩大，缺水问题已成为全球关注的问题。高水风险地区也正成为工业发展的严重限制因素，因为设施的生产过程和公用事业需要水，例如锅炉，冷却塔等。百事可乐在其水管理方面采用全球“净零”环境可持续方法，能源和固体废物。这种方法是在其墨西哥的Frito-Lay生产工厂（墨西哥PepsiCo Alimentos / Sabritas）中实施的，这些工厂带有诸如Lay's，Cheetos，Fritos，Doritos和Ruffles等品牌，作为百事可乐“目标明确的绩效”战略的一部分。该公司在墨西哥拥有15家食品制造厂，并决定在其8家主要工厂中实施废水回收和再利用项目，以实现50-70％的水再利用目标。墨西哥百事可乐食品有限公司选择使用膜生物反应器（MBR）技术升级现有的常规废水处理厂，该技术将一步和二次处理相结合。 MBR的核心是超滤膜，可为悬浮固体提供绝对的屏障，因此MBR成为反渗透（RO）的理想预处理，可提供可重复使用的高质量处理废水。墨西哥百事可乐食品有限公司于2010年和2011年对以下污水处理厂进行了升级：Sabritas Vallejo墨西哥城，原流量为317,000加仑/天（1,200立方米/天），目前已扩大至554,800加仑/天（2,100立方米/天）;哈利斯科州Sabritas Guadalajara原流量356,600 gpd（1,350 m3 / d），目前已扩展至383,000 gpd（1,450 m3 / d），Coahuila的Sabritas Saltillo，475,500 gpd（1,800 m3 / d），未来将扩展至581,180 gpd（2,200 m3） / d）。本文将介绍与MBR系统设计，启动和操作有关的关键信息，并特别关注设计建议，以便能够达到一致的废水质量以达到再利用的目的。将讨论成功启动的程序以及运行的前7年的性能数据（生物学和膜性能）。水的再利用（高达77％）帮助这三个设施实现并超过了其目标，减少了城市用水的需求，并减少了下水道的附加费。

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