Pulp and paper industry grows continuously, and at the same time. The paper production process in each stage will have the defect ofAnd more importantly, emissions in the characteristics of the wastewater from the production process. Treatment of wastewater from pulp and paper industry is the quantity increasing.Also, fly ash, which is away from the production process in the process of burning fuel. The objective of this research is to reduce the color and COD in wastewater treatment of paper mill.In wastewater treatment of pulp and paper mill. The results showed that, for the การทดลองแบบ separates into two phases. Found that the fly ash can help in the removal of the color and COD values up to 91.00 percent and 39.39 percent. In the experiments, respectively, and continuous flow by packing material of mimic wastewater treatment system grass filter wastewater and constructedwetland system show that the system efficiency grass filtration from slow business. Turbidity.3 hours and it was found that the ratio between the ash on the proper soil is 1:60 is the efficiency of COD and color in the treatment of up to 72.58 percent and 75.00 percent, respectively, which effective therapy is better than artificial wetland system significantly.
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