Use of microorganisms in treatment of color can be used for both free and immobilized cells, the cells. But the use of free cells have limitations on thrombosis, durability and cell loss from the system. While the immobilized cells is effective in treatment of higher color The leakage or obstruction of the cell. The biomass volume concentration. Can separate cells immobilized from wastewater treatment system easily. And the resistance to extreme conditions, such as temperature, pH, and pollutants that can be recycled repeatedly. Immobilized cells by cell retention will help create the conditions with low oxygen. Due to the resistance to the cabins available. It improves the efficiency of color. The techniques used to freeze the cells is a way Entrapment available to cells of all kinds. Limitations of number of cells per beads and cells leak. Another way is Encapsulation with problems about beads are weak. Has developed a technique to freeze cell hybrids. The beads with high efficiency. There is no limit to number of cells per beads. And protects the cells leak as well. So the treatment process of color with biological method by the technique of freeze hybrid cells to use this ในการบำบัด color contamination in synthetic wastewater. It is an effective way to reduce water pollution problems, and is environmentally friendly. And can be applied in treatment of wastewater from color dyeing factories.
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