Optimization of Parameters in Concentration Technology for Treatment and Reduction of Organic Load in Distillery's Vinasse
Distillery’s vinasse wastewater is problematic to be easily disposed of in environment due to its high BOD and COD content which imposes a great deal of costs on plant. The main aim of this scientific and applied research is reducing the organic load of distillery’s vinasse wastewater via concentration technology.
In this research، concentration of vinasse technology was used for reduction of organic load and removing color and odor of its wastewater. In this process، it was considered three evaporators and three separators. The raw wastewater was passed through from a phase with higher pressure into the other phases with lower pressure. The effluent form of each phase was sampled and the COD and BOD factors were evaluated.
The results revealed that the COD reduction for the first، second and third phases were 68. 98، 85. 68 and 99. 97 percent respectively and this reduction for BOD factor were 68. 75، 85. 68 and 99. 97 percent respectively. The odor and color of raw wastewater were removed step by step by passing through first to three phases.
C oncentration technology has a perfect efficiency in reducing organic load and removing odor and color of distillery’s vinasse wastewater. Considering production of feed and also bio-fuel as by-products، it can be concluded that this treatment process can be used for treatment of distillery’s vinasse wastewater and similar plants.
Tolooe Behdasht, Volume:11 Issue:4, 2013
21 - 31
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