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首页> 外文期刊>Environmental Science & Technology >Optimization of coagulation-flocculation process for palm oil mill effluent using response surface methodology
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Optimization of coagulation-flocculation process for palm oil mill effluent using response surface methodology

机译：响应面法优化棕榈油厂废水混凝絮凝工艺

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The coagulation-flocculation process incorporated with membrane separation technology will become a new approach for palm oil mill effluent (POME) treatment as well as water reclamation and reuse. In our current research, a membrane pilot plant has been used for POME treatment where the coagulation-flocculation process plays an important role as a pretreatment process for the mitigation of membrane fouling problems. The pretreated POME with low turbidity values and high water recovery are the main objectives to be achieved through the coagulation-flocculation process. Therefore, treatment optimization to serve these purposes was performed using jar tests and applying a response surface methodology (RSM) to the results. A 23 full-factorial central composite design (CCD) was chosen to explain the effect and interaction of three factors: coagulant dosage, flocculent dosage, and pH. The CCD is successfully demonstrated to efficiently determine the optimized parameters, where 78% of water recovery with a 20 NTU turbidity value can be obtained at the optimum value of coagulant dosage, flocculent dosage, and pH at 15 000 mg/L, 300 mg/L, and 6, respectively.
机译：结合膜分离技术的混凝-絮凝工艺将成为棕榈油厂废水（POME）处理以及水回收和再利用的新方法。在我们目前的研究中，膜中试设备已用于POME处理，其中絮凝-絮凝过程作为缓解膜结垢问题的预处理过程起着重要作用。低混浊度和高水回收率的预处理POME是通过混凝-絮凝工艺实现的主要目标。因此，使用广口瓶测试并针对结果应用响应面方法（RSM）进行了达到这些目的的处理优化。选择了23个全因子中心复合设计（CCD）来解释三个因素的作用和相互作用：凝结剂用量，絮凝剂用量和pH值。成功地证明了CCD可以有效地确定最佳参数，在15 000 mg / L，300 mg / L的最佳混凝剂剂量，絮凝剂剂量和pH值下，可以得到78％的水回收率（浊度值为20 NTU）。 L和6。

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