Abstract
This paper presents the experimental analysis of sewage sludge drying process using Taguchi method to know the characteristics and optimize drying process parameters. There have been attempt to perform the sewage sludge disposal such as simple reclaiming, dumping in the sea, incineration. Currently, these methods are restricted by national or international government regulations. The drying process is adopted as effective method for sewage sludge treatment, however sewage sludge makes difficult to treat with large volume at the real drying process plant because of its own complicated physical, chemical, and thermal properties. To treat the sewage sludge in view of environmental friendly and cost effective way, it is necessary to control the volume and weight of sewage sludge. It is not only reduces the delivery expenses and improve the re-usability, but also prevents several shift environmental pollution from nocuous sewage sludge. In this study, sewage sludge drying process parameter was modeled and evaluated with Taguchi method. From these research results the process parameters can be optimized to satisfy the desired qualities of particle diameter and moisture content of dried sewage sludge, and also provided to achieve the economic process operation.
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