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Startup and operation of a large wastewater treatment plant in warm climate and under modified conditions – a case study

机译：在温暖的气候和经过修改的条件下，大型废水处理厂的启动和运行–案例研究

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摘要

This study summarizes the findings and lessons learned from the start up and operation of a large wastewaterntreatment plant in warm climate under modified conditions. The treatment works comprise of a newly constructednsewage treatment plant located in the city of Dubai, U.A.E with an ultimate capacity of 300 Ml/d. Thenplant can be reviewed in three major parts; (i) liquid stream, (ii) sludge stream and (iii) odor control stream allnhaving the latest state of the art technology and related equipments. The challenge in starting up the plantnwas related to the fact that only 20% of the flow was available in the form of hauled sewage to be haulednfrom septic tanks located in various parts of the city and also from the nearby industry which was uncontrollable.nFurthermore, some parts of the plant were not ready to be commissioned on the day of the planned startup notnto mention that effluent irrigation main was not complete to receive the treated sewage effluent (TSE) from thenplant. A comprehensive commissioning plan was implemented and followed during the startup which was tailorednaccording to the actual conditions. The plant commissioning was conducted in a phased sequence toncater for the expected and unexpected changes related to the inlet conditions. Commissioning and operationnof the plant was carried for over 18 months with success considering the challenging and difficult conditions.
机译：这项研究总结了从大型污水处理厂的启动和运行中在改进的条件下于温暖的气候中获得的发现和经验教训。该处理厂由位于阿联酋迪拜市的新建污水处理厂组成，最终处理能力为300 Ml / d。然后可以从三个主要部分审查工厂； （i）液流，（ii）污泥流和（iii）气味控制流，均采用最新技术和相关设备。启动工厂面临的挑战与以下事实有关：只有20％的流量以拖运污水的形式从位于城市各地的化粪池以及附近无法控制的工业中被拖出。在计划的启动当天，工厂的某些部分尚未准备好投入使用，更不用说废水灌溉主管还没有完成，无法从工厂接收经过处理的污水。在启动过程中实施并遵循了全面的调试计划，该计划是根据实际情况量身定制的。工厂的调试是分阶段进行的，与进口条件有关的预期和意外变化。考虑到充满挑战和困难的条件，该厂的调试和运行进行了18个月以上，并取得了成功。

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